Hitachi SJ700B-055H, SJ700B-150H, SJ700B-075H, SJ700B-110H, SJ700B-185H Instruction Manual

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HITACHI INVERTER

SJ700B SERIES

INSTRUCTION MANUAL

Read through this Instruction Manual, and keep it handy for future reference.

NT907AX

Introduction

Thank you for purchasing the Hitachi SJ700B Series Inverter. This Instruction Manual describes how to handle and maintain the Hitachi SJ700B Series Inverter. Read this Instruction Manual carefully before using the inverter, and then keep it handy for those who operate, maintain, and inspect the inverter. Before and during the installation, operation, inspection, and maintenance of the inverter, always refer to this Instruction Manual to obtain the necessary related knowledge, and ensure you understand and follow all safety information, precautions, and operating and handling instructions for the correct use of the inverter. Always use the inverter strictly within the range of the specifications described in this Instruction Manual and correctly implement maintenance and inspections to prevent faults occurring. When using the inverter together with optional products, also read the manuals for those products. Note that this Instruction Manual and the manual for each optional product to be used should be delivered to the end user of the inverter.

Handling of this Instruction Manual

- The contents of this Instruction Manual are subject to change without prior n otice.

- Even if you lose this Instruction Manual, it will not be resupplied, so please keep it carefully.

- No part of this Instruction Manual may be reproduced in any form without the publisher’s permission.

- If you find any incorrect description, missing description or have a question concerning the contents of

this Instruction Manual, please contact the publisher.

Revision History

No. Revision content Date of issue Manual code

1 First edition Apr. 2010 NT907AX

- The current edition of this Instruction Manual also includes some corrections of simple misprints, missing letters, misdescriptions and certain added explanations other than those listed in the above Revision History table.

Safety Instructions

Be sure to read this Instruction Manual and appended documents thoroughly before installing, operating, maintaining, or inspecting the inverter. In this Instruction Manual, safety instructions are classified into two levels, namely WARNING and CAUTION.

: Indicates that incorrect handling may cause hazardous situations, which may re sult in

serious personal injury or death.

: Indicates that incorrect handling may cause hazardous situations, which may re sult in

moderate or slight personal injury or physical damage alone.

Note that even a level situation may lead to a serious consequence accordi ng to circumstances. Be sure to follow eve ry safe ty instructi on, which con tains imp ort ant safety information. Also focus on and observe the items and instructions described under "Notes" in the text.

CAUTION

Many of the drawings in this Instruction Manual show the inverter with covers and/or parts blocking your view being removed.

Do not operate the inverter in the status shown in those drawings. If you have removed the covers and/or parts, be sure to reinst all them in their original positions before starting operation, and follow all instructions in this Instruction Manual when operating the inverter.

1. Installation

CAUTION

- Install the inverter on a non-flammable surface, e.g., metal. Otherwise, you run the risk of fire.

- Do not place flammable materials near the installed inverter. Otherwise, you run the risk of fire.

- When ca rrying the inverter, do not hold its top cover. Otherwise, you run the risk of injury by dropping the inverter.

- Prevent foreign matter (e.g., cut pieces of wire, sputtering welding materials, iron chips, wire, and dust) from entering the inverter. Otherwise, you run the risk of fire.

- Install the inverter on a structure able to bear the weight specified in this Instruction Manual. Otherwise, you run the risk of injury due to the inverter falling.

- Install the inverter on a vertical wall that is free of vibrations. Otherwise, you run the risk of injury due to the inverter falling.

- Do not install and operate the inverter if it is damaged or its parts a re missing. Otherwise, you run the risk of injury.

- Install the inverter in a well-ventilated indoor site not exposed to direct sunlight. Avoid places where the inverter is exposed to high temperature, high humidity, condensation, dust, explosive gases, corrosive gases, flammable gases, grinding fluid mist, or salt water. Otherwise, you run the risk of fire.

- The inverter is precision equipment. Do not allow it to fall or be subject to high impacts, step on it, or place a heavy load on it. Doing so may cause the inverter to fail.

！ WARNING

！ CAUTION

！

！ CAUTION

Safety Instructions

2. Wiring

WARNING

- Be sure to ground the inve rter. Otherwise, you run the risk of electric shock or fire.

- Commit wiring work to a qualified electrician. Otherwise, you run the risk of electric shock or fire.

- Before wiring, make sure that the power supply is off. Otherwise, you run the risk of electric shock or fire.

- Perform wiring only after installing the inverter. Otherwise, you run the risk of electri c shock or injury.

- Do not re move rubber bushings from the wiring section. Otherwise, the edges of the wiring cover may damage the wire, resulting in a short circuit or ground fault.

CAUTION

- Make sure that the voltage of AC power supply matches the rated voltage of your inverter. Otherwise, you run the risk of injury or fire.

- Do not inp ut single-phase power into the inverter. Otherwise, you run the ri sk of fire.

- Do not conn ect AC power supply to any of the output terminals (U, V, and W). Otherwise, you run the risk of injury or fire.

- Do not conn ect a resistor directly to any of the DC terminals (PD, P, and N). Otherwise, you run the risk of fire.

- Connect an earth-leakage breaker to the power input circuit. Otherwise, you run the risk of fire.

- Use only the power cable s, earth-leakage breaker, and magnetic contactors that have the specified capacity (ratings). Otherwise, you run the risk of fire.

- Do not use the magnetic conta ctor installed on the primary and secondary sides of the inverter to stop its operation.

- Tighten each screw to the specified torque. No screws must be left loose. Otherwise, you run the risk of fire.

- Before operating, slide switch SW1 in the inverter, be sure to turn off the power supply. Otherwise, you run the risk of electric shock and injury.

- Since the inverter supports two modes of cooling-fan operation, the inverter power is not always off, even when the cooling fan is stopped. Therefore, be sure to confirm that the power supply is off before wiring. Otherwise, you run the risk of electric shock and injury.

！

Safety Instructions

iii

3. Operation

WARNING

- While p ower is supplied to the inverter, do not touch any terminal or internal part of the inverter, check signals, or connect or disconnect any wire or connector. Otherwise, you run the risk of electric shock or fire.

- Be sure to clo se the terminal block cover before turning on the inverter power. Do not open the terminal block cover while power is being supplied to the inverter o r voltage remains inside. Ot herwise, you run the risk of electric shock.

- Do not operate switches with wet hands. Otherwise, you run the risk of electric shock.

- While power is supplied to the inverte r, do not touch the terminal of the inverter, even if it has stopped. Otherwise, you run the risk of injury or fire.

- If the retry mode has been selected, the inverter will restart suddenly after a break in the tripping status. Stay away from the machine controlled by the inverter when the inverter is under such circumstances. (Design the machine so that human safety can be ensured, even when the inverter restarts suddenly.) Otherwise, you run the risk of injury.

- Do not select the retry mode for controlling an elevating or traveling device because output free-running status occurs in retry mode. Otherwise, you run the risk of injury or damage to the machine controlled by the inverter .

- If an operatio n command has been input to the inverter before a short-term power failure, the inverter may restart operation after the power recovery. If such a restart may put persons in danger, design a control circuit that disables the inverter from restarting after power recovery. Otherwise, you run the risk of injury.

- The [STOP] key is effective only when its function is enabled by setting. Prepa re an emergency stop switch separately. Otherwise, you run the risk of injury.

- If an operation command has been input to the inverter before the inverter enters alarm status, the inverter will restart suddenly when the alarm status is reset. Before resetting the alarm status, make sure that no operation command has been input.

- While power is supplied to the inverter, do not touch any internal part of the inverter or insert a bar in it. Otherwise, you run the risk of electric shock or fire.

CAUTION

- Do not touch the heat sink, which heats up during the inverter operation. Otherwise, you run the risk of burn injury.

- The inverte r allows you to easily control the speed of motor or machine operations. Before operating the inverter, confirm the cap acity and ratings of the motor or machine controlled by the inverter. Otherwise, you run the risk of injury.

- Install an external brake system if needed. Otherwise, you run the risk of injury.

- When using the inverter to operate a standard motor at a frequency of over 60 Hz, check the a llowable motor speeds with the manufacturers of the motor and the machine to be driven and obtain their consent before starting inverter operation. Otherwise, you run the risk of damage to the motor and machine.

- During inverter operation, check the motor for the direction of rotation, abnormal sound, and vibrations. Otherwise, you run the risk of damage to the machine driven by the motor.

！

Safety Instructions

4. Maintenance, inspection, and part s replacement

WARNING

- Before in specting the inverter, be sure to turn off the power supply and wait for 10 minutes or more. Otherwise, you run the risk of electric shock. (Before inspection, confirm that the Charge lamp on the inverter is off and the DC voltage between terminals P and N is 45 V or less.)

- Commit only a designated person to maintenance, inspection, and the replacement of parts. (Be sure to remove wristwatches and metal accessories, e.g., bracelets, before maintenance and inspection work and to use insulated tools for the work.) Otherwise, you run the risk of electric shock and injury.

5. Others

WARNING

- Never modify the inverter. Otherwise, you run the risk of electric shock and injury.

CAUTION

- Do not discard the inverter with household waste. Contact an industrial waste management company in your area who can treat industrial waste without polluting the environment.

！

Safety Instructions

Precautions Concerning Electromagnetic Compatibility (EMC)

The SJ700B series inverter conforms to the requirements of Electromagnetic Compatibility (EMC) Directive (2004/108/EC). However, when using the inverter in Europe, you must comply with the following specifications and requirements to meet the EMC Directive and other stand ards in Europe:

WARNING: This equipment must be installed, adju sted, and mainta ined by qualified engineers who have expert knowledge of electric work, inverter operation, and the hazardous circumstances that can occur. Otherwise, personal injury may result.

1. Power supply requi rements a. Voltage fluctuation must be -15% to +10% or less. b. Voltage imbalance must be ±3% or less. c. Frequency variation must be ±4% or less. d. Total harmonic distortion (THD) of voltage must be ±10% or less.

2. Installation requirement a. A special filter intended for the SJ700 series inverter must be installed.

3. Wiring requirements a. A shielded wire (screened cable) must be used for motor wi ring, a nd the len gth o f the cabl e m ust be

according to the following table (Table 1).

b. The carrier frequency must be set according to the following table to meet an EMC requirement

(Table 1).

c. The main circuit wiring must be separated from the control circuit wiring.

4. Environmental requirements (to be met when a filter is used) a. Ambient temperature must be within the range -10°C to +45°C. b. Relative humidity must be within the range 20% to 90% (non-condensing). c. Vibrations must be 5.9 m/s

(0.6 G) (10 to 55 Hz) or less. (5.5-30kW)

2.94 m/s

(0.3 G) (10 to 55Hz) or less. (37 to 75kW)

d. The inverter must be installed indoors (not exposed to corrosive gases and dust) at an altitude of

1,000 m or less.

model cat.

cable

length(m)

carrier

frequency(kHz)

SJ700B-055H C3 1 2.5 SJ700B-075H C3 1 2.5 SJ700B-110H C3 1 2.5 SJ700B-150H C3 1 2.5 SJ700B-185H C3 1 2.5 SJ700B-220H C3 1 2.5 SJ700B-300H C3 1 2.5 SJ700B-370H C3 1 2.5 SJ700B-450H C3 1 2.5 SJ700B-550H C3 5 2.5

！

Table1

Safety Instructions

Cautions for UL and cUL

(Standards to be met: UL508C and CSA C22.2 No. 14-05)

These devices are open type and/or Enclosed Type 1 (when employing accessory Type 1 Chassis Kit) AC Inverters with three phase input and three phase output. They are intended to be used in an enclosure. They are used to provide both an adjustable voltage and adjustable frequency to the ac motor. The inverter automatically maintains the required volts-Hz ration allowing the ca pability through the motor speed range.

1. “Use 60/75 C CU wire only” or equivalent. For models SJ700B series except for models SJ700B-075H ,

SJ700B-110H,SJ700B-150H.

2. “Use 75 C CU wire only” or equivalent. For models SJ700B series except for SJ700B-075H ,

SJ700B-110H,SJ700B-150H.

3. “Suitable for use on a circuit capable of delivering not more than 100000 rms symmetrical amperes,

480 V maximum”. For models with suffix H.

4. “Install device in pollution degree 2 environment” or equivalent.

5. “Maximum Surrounding Air Temperature 45 or 50°C” or equivalent.

6. “CAUTION- Risk of Electric Shock- Capacitor discharge time is at least 10 min.” or equivalent.

7. ”Integral solid state short circuit protection does not provide branch circuit protection. Branch circuit

protection must be provided in accordance with the NEC and any additional local codes”, or the equivalent.

8. “Solid state motor overload protection is provided in each model” or equivalent.

9. Tightening torque and wire range for field wiring terminals are marked adjacent to the terminal or on

the wiring

diagram or instruction manual.

Model No.

Required Torque

(N.m)

Wire Range

(AWG)

SJ700B-055H

3.0 12

SJ700B-075H

4.0 12

SJ700B-110H

4.0 10

SJ700B-150H

4.0 8

SJ700B-185H

4.9 6

SJ700B-220H

4.9 6

SJ700B-300H

4.9 6 or 4

SJ700B-370H

4.9 3

SJ700B-450H

20.0 1

SJ700B-550H

20.0 1

Safety Instructions

vii

10.Distribution fuse / circuit breaker size marking is included in the manual to indicate that the uni t shall be

connected with a Listed inverse time circuit breaker, rated 600 V with the current ratings as shown in the table below:

1 1.“Field wiring connection must be made by a UL Listed and CN closed-loop terminal connector sized for the wire gauge involved. Connector must be fixed using the crimp tool specified by the connector manufacturer.”, or equivalent wording included in the manual.

Model No.

Fuse Size (A) Circuit Breaker (A)

Type Rating Type Rating

SJ700B-055H J 30

Inverse time 30

SJ700B-075H

J40AInverse time 40

SJ700B-110H

J60AInverse time 60

SJ700B-150H

J 100

Inverse time 100

SJ700B-185H

J 100

Inverse time 100

SJ700B-220H

J 100

Inverse time 100

SJ700B-300H

J 125

Inverse time 125

SJ700B-370H

J 175

Inverse time 175

SJ700B-450H

J 225

Inverse time 225

SJ700B-550H

J 250

Inverse time 250

Contents

viii

Chapter 1 Overview

1.1 Inspection of the Purchased Product························································································1 - 1

1.1.1 Inspecting the product··································································································1 - 1

1.1.2 Instruction manual (this manual)··················································································1 - 1

1.2 Method of Inquiry and Product Warranty··················································································1 - 2

1.2.1 Method of inquiry ·········································································································1 - 2

1.2.2 Product warranty··········································································································1 - 2

1.2.3 Warranty Terms············································································································1 - 2

1.3 Exterior Views and Names of Parts··························································································1 - 3

Chapter 2 Installation and Wiring

2.1 Installation·································································································································2 - 1

2.1.1 Precautions for installation·······························································································2 - 2

2.1.2 Backing plate ···················································································································2 - 4

2.2 Wiring········································································································································2 - 5

2.2.1 Terminal connection diagram and explanation of terminals and switch settings·············2 - 6

2.2.2 Wiring of the main circuit ·································································································2 - 11

2.2.3 Wiring of the control circuit ······························································································2 - 19

2.2.4 Wiring of the digital operator····························································································2 - 20

2.2.5 Selection and wiring of regenerative braking resistor (on 5.5 kW to 30 kW models)······2 - 21

Chapter 3 Operation

3.1 Operating Methods ···················································································································3 - 1

3.2 How To Operate the Digital Operator························································································3 - 3

3.2.1 Names and functions of components ··············································································3 - 3

3.2.2 Code display system and key operations········································································3 - 4

3.3 How To Make a Test Run··········································································································3 - 10

Chapter 4 Explanation of Functions

4.1 Monitor Mode····························································································································4 - 1

4.1.1 Output frequency monitoring (d001)············································································4 - 1

4.1.2 Output current monitoring (d002)·················································································4 - 1

4.1.3 Rotation direction minitoring (d003)·············································································4 - 1

4.1.4 Process variable (PV), PID feedba ck monitoring (d004, A071, A075) ························4 - 1

4.1.5 Intelligent input terminal status (d005)·········································································4 - 2

4.1.6 Intelligent output terminal status (d006)·······································································4 - 2

4.1.7 Scaled output frequency monitoring (d007, b086)·······················································4 - 2

4.1.8 Actual-frequency monitoring d008, P011, H004, H204)··············································4 - 3

4.1.9 Torque command monitoring (d009, P033, P034)·······················································4 - 3

4.1.10 Torque bias monitoring (d010, P036 to P038)·····························································4 - 3

4.1.11 Torque monitoring (d012)·····························································································4 - 3

4.1.12 Output voltage monitoring (d013)················································································4 - 3

4.1.13 Power monitoring (d014) ·····························································································4 - 3

Contents

4.1.14 Cumulative power monitoring (d015, b078, b079) ······················································4 - 4

4.1.15 Cumulative operation RUN time monitoring (d016)·····················································4 - 4

4.1.16 Cumulative power-on time monitoring (d017) ·····························································4 - 4

4.1.17 Heat sink temperature monitoring (d018)····································································4 - 4

4.1.18 Motor temperature monitoring (d019, b98)··································································4 - 4

4.1.19 Life-check monitoring (d022)·······················································································4 - 5

4.1.20 Program counter display (easy sequence function) (d023)·········································4 - 5

4.1.21 Program number monitoring (easy sequence function) (d024)···································4 - 5

4.1.22 User monitors 0 to 2 (easy sequence function) (d025 to d027) ··································4 - 5

4.1.23 Pulse counter monitor (d028) ······················································································4 - 5

4.1.24 Position command monitor (in absolute position control mode) (d029) ······················4 - 5

4.1.25 Current position monitor (in absolute position control mode) (d030) ··························4 - 5

4.1.26 Trip Counter (d080)······································································································4 - 5

4.1.27 Trip monitoring 1 to 6 (d081, d082 to d086) ································································4 - 6

4.1.28 Programming error monitoring (d090)·········································································4 - 6

4.1.29 DC voltage monitoring (d102)······················································································4 - 6

4.1.30 BRD load factor monitoring (d103, b090)····································································4 - 6

4.1.31 Electronic thermal overload monitoring (d104)····························································4 - 6

4.2 Function Mode··························································································································4 - 7

4.2.1 Output frequency setting (F001, A001, A020/ A220/ A320,C001 to C008)·················4 - 7

4.2.2 Keypad Run key routing (F004)···················································································4 - 7

4.2.3 Rotational direction restriction (b035)··········································································4 - 7

4.2.4 Frequency source setting (A001) ················································································4 - 8

4.2.5 Run command source setting (A002, C011 to C018, C019, F004)·····························4 - 8

4.2.6 Stop mode selection (b091, F003, b003, b007, b088)················································4 - 9

4.2.7 STOP key enable (b087)·····························································································4 - 9

4.2.8 Accel eration/deceleration time setting (F002, F003, A004, P031, C001 to C008)······4 - 10

4.2.9 Base frequency setting (A003/ A203/ A303, A081, A082)···········································4 - 11

4.2.10 Maximum frequency setting (A004/ A204/ A304)························································4 - 11

4.2.11 External analog input setting (O, O2, and OI) (A005, A006, C001 to C008)···············4 - 12

4.2.12 Frequency operation function (A141 to A143, A001, A076) ········································4 - 13

4.2.13 Frequency addition function (A145, A046, C001 to C008)··········································4 - 14

4.2.14 Start/end frequency setting for external analog input (A011 to A01 5, A101 to A105, A111 to A114)···············································································································4 - 14

4.2.15 External analog input (O/OI/O2) filter setting (A016)···················································4 - 15

4.2.16 V/f gain setting (A045, A082)·······················································································4 - 15

4.2.17 V/F characteristic curve selection (A044, b100, b101)················································4 - 16

4.2.18 Torque boost setting (A041, A042, A043, H003, H004)···············································4 - 18

4.2.19 DC braking (DB) setting (A051 to A059, C001 to C008)·············································4 - 20

4.2.20 Frequency upper limit setting (A061, A062) ································································4 - 24

4.2.21 Jump frequency function (A063 to A068)····································································4 - 25

4.2.22 Acceleration stop frequency setting (A069, A070, A097)············································4 - 25

4.2.23 PID function (A001, A005, A071 to A076, d004, C001 to C008, C021 to C025, C044)···························································································································4 - 26

4.2.24 Two-stage acceleration/deceleration function (2CH) (F002, F003, A092 to A096, C001 to C008) ·············································································································4 - 30

4.2.25 Acceleration/deceleration curve selection (A097, A098, A131, A132) ························4 - 31

4.2.26 Energy-saver operation (A085, A086)·········································································4 - 32

4.2.27 Retry or trip after instantaneous power failure (b001 to b005, b007, b008, C021 to C026) ·············································································································4 - 33

4.2.28 Phase loss power input protection (b006) ···································································4 - 36

4.2.29 Electronic thermal protection (b012, b013, b015, b016, C021 to C026, C061)··········4 - 37

Contents

4.2.30 Overload restriction/overload notice (b021 to b026, C001 to C008, C021 to C026, C040, C041, C111)······································································································4 - 39

4.2.31 Overcurrent restraint (b027) ························································································4 - 40

4.2.32 Overvoltage supression during deceleration (b130 to b132)·······································4 - 41

4.2.33 Start frequency setting (b082)······················································································4 - 42

4.2.34 Reduced voltage start function (b036, b082)·······························································4 - 42

4.2.35 Carrier frequency setting······························································································4 - 43

4.2.36 Automatic carrier frequency reducation·······································································4 - 44

4.2.37 Dynamic braking (BRD) function (b090, b095, b096)··················································4 - 45

4.2.38 Cooling-fan operation setting (b092) ···········································································4 - 45

4.2.39 Intelligent input terminal setting (SET, SET3) (C001 to C008) ····································4 - 46

4.2.40 Input terminal a/b (NO/NC) selection (C011 to C018, C019)·······································4 - 47

4.2.41 Multispeed select setting (CF1 to CF4 and SF1 to SF7) (A019, A020 to A035, C001 toC008)···············································································································4 - 47

4.2.42 Jogging (JG) command setting (A038, A039, C001 to C008) ·····································4 - 49

4.2.43 2nd/3rd motor control function (SET and SET3)··························································4 - 50

4.2.44 Software lock (SFT) function (b031, C001 to C008)····················································4 - 51

4.2.45 Forcible-operation from digital operation (OPE) function (A001, A002, C001 to C008)··············································································································4 - 51

4.2.46 Forcible-operation from terminal (F-TM) function (A001, A002, C001 to C008)··········4 - 51

4.2.47 Free-run stop (FRS) function (b088, b033, b007, b028 to b030, C001 to C008)········4 - 52

4.2.48 Commercial power source switching (CS) function (b003, b007, C001 to C008) ·······4 - 53

4.2.49 Reset (RS) function (b003, b007, C102, C103, C001 to C008) ··································4 - 54

4.2.50 Unattended start protection (USP) function (C001 to C008)·······································4 - 56

4.2.51 Remote control function (UP and DWN) (C101, C001 to C008) ·································4 - 56

4.2.52 External trip (EXT) function (C001 to C008)································································4 - 57

4.2.53 3-wire interface operation function (STA, STP, and F/R) (C001 to C008) ···················4 - 57

4.2.54 Control gain switching function (CAS) (A044, C001 to C008, H005, H050 to H052, H070 to H072)··············································································································4 - 58

4.2.55 P/PI switching function (PPI) (A044, C001 to C008, H005, H050 to H052, H070 to H072)··············································································································4 - 58

4.2.56 Analog command holding function (AHD) (C001 to C008)··········································4 - 59

4.2.57 Intelligent pulse counter (PCNT and PCC)··································································4 - 59

4.2.58 Intelligent output terminal setting (C021 to C026) ·······················································4 - 60

4.2.59 Intelligent output terminal a/b (NO/NC) selection (C031 to C036) ······························4 - 61

4.2.60 Running signal (RUN) (C021 to C025)········································································4 - 62

4.2.61 Frequency arrival signals (FA1, FA2, FA3, FA4, and FA5) (C021 to C025, C042, C043, C045, C046)······································································································4 - 62

4.2.62 Running time over and power-on time over signals (RNT and ONT) (b034, C021to C026, d016, d017)···············································································4 - 64

4.2.63 0 Hz speed detection signal (ZS) (A044, C021 to C025, C063)··································4 - 64

4.2.64 Over-torque signal (OTQ) (A044, C021 to C025, C055 to C058) ·······························4 - 65

4.2.65 Alarm code output function (AC0 to AC3) (C021 to C025, C062) ·······························4 - 65

4.2.66 Logical output signal operation function (LOG1 to LOG6) (C021 to C026, C142 to C159)··············································································································4 - 66

4.2.67 Capacitor life warning signal (WAC) (C021 to C026) ··················································4 - 67

4.2.68 Communication line disconnection signal (NDc) (C021 to C026, C077)·····················4 - 67

4.2.69 Cooling-fan speed drop signal (WAF) (C021 to C026, b092 to d022)·························4 - 68

4.2.70 Starting contact signal (FR) (C021 to C026)································································4 - 68

4.2.71 Heat sink overheat warning signal (OHF) (C021 to C026, C064) ·······························4 - 68

4.2.72 Low-current indication (LOC) signal (C021 to C026, C038, C039) ·····························4 - 69

4.2.73 Inverter ready signal (IRDY) (C021 to C026) ······························································4 - 69

4.2.74 Forward rotation signal (FWR) (C021 to C026)···························································4 - 69

Contents

4.2.75 Reverse rotation signal (RVR) (C021 to C026)···························································4 - 70

4.2.76 Major failure signal (MJA) (C021 to C026)··································································4 - 70

4.2.77 Window comparators (WCO/WCOI/WCO2) (detection of terminal disconnection: ODc/OIDc/O2Dc)·········································································································4 - 71

4.2.78 Output signal delay/hold function (C130 to C141)·······················································4 - 72

4.2.79 Input terminal response time ·······················································································4 - 72

4.2.80 External thermistor function (TH) (b098, b099, C085) ················································4 - 72

4.2.81 FM terminal (C027, b081)····························································································4 - 73

4.2.82 AM and AMI terminals (C028, C029, C106, C108 to C110)········································4 - 74

4.2.83 Initialization setting (b084, b085)·················································································4 - 75

4.2.84 Function code display restriction (b037, U001 to U012) ·············································4 - 76

4.2.85 Initial-screen selection (selection of the initial screen to be displayed after power-on) (b038)·········································································································4 - 78

4.2.86 Automatic user-parameter setting (b039, U001 to U012)············································4 - 79

4.2.87 Stabilization constant setting (H006)···········································································4 - 79

4.2.88 Selection of operation at option board error (P001, P002)··········································4 - 79

4.2.89 Optimum accel/decal operation function (A044, A085, b021, b022)···························4 - 80

4.2.90 Brake control function (b120 to b127, C001 to C008, C021, C025)····························4 - 81

4.2.91 Deceleration and stopping at power failure (nonstop deceleration at instantaneous power failure) (b050 to b054) ······················································································4 - 83

4.2.92 Offline auto-tuning function (H001 to H004, H030 to H034, A003, A051, A082)·········4 - 85

4.2.93 Online auto-tuning function··························································································4 - 87

4.2.94 Secondary resistance compensation (temperature compensation) function (P025, b098)················································································································4 - 87

4.2.95 Motor constants selection····························································································4 - 88

4.2.96 Sensorless vector control (A001, A044, F001, b040 to b044, H002 to H005, H020 to H024,H050 to H052)······················································································4 - 89

4.2.97 Sensorless vector, 0 Hz domain control (A001, A044, F001, b040 to b044, H002 to H005, H020to H024, H050 to H052, H060, H061) ········································4 - 90

4.2.98 Torque monitoring function (A044, C027 to C029, H003, H004)·································4 - 91

4.2.99 Forcing function (FOC) (A044, C001 to C008)····························································4 - 91

4.2.100 Torque limitation function (A044, b040 to b044, C001 to C008, C021 to C025)·········4 - 92

4.2.101 Reverse Run protection function (A044, b046)···························································4 - 93

4.2.102 Torque LAD stop function (A044, b040 to b045)·························································4 - 94

4.2.103 High-torque multi-motor operation (A044, F001, b040 to b044, H002 to H005, H020 to H024,H050 to H052)······················································································4 - 94

4.2.104 Easy sequence function (A017, P100 to P131)···························································4 - 95

4.3 Functions Available When the Feedback Option Board (SJ-FB) Is Mounted···························4 - 96

4.3.1 Functions requiring the SJ-FB·····················································································4 - 96

4.3.2 V2 control pulse setting ·······························································································4 - 96

4.3.3 Vector control with encoder feedback··········································································4 - 97

4.3.4 Torque biasing function································································································4 - 98

4.3.5 Torque control function································································································4 - 98

4.3.6 Pulse train position control mode················································································4 - 99

4.3.7 Electronic gear function·······························································································4 - 101

4.3.8 Motor gear ratio setting function··················································································4 - 103

4.3.9 Position biasing function······························································································4 - 103

4.3.10 Speed biasing function·································································································4 - 103

4.3.11 Home search function··································································································4 - 104

4.3.12 Absolute position control mode ···················································································4 - 106

4.3.13 Operation in absolute position control mode·······························································4 - 107

4.3.14 Multistage position switching function (CP1/CP2/CP3)···············································4 - 108

Contents

xii

4.3.15 Speed/position switching function (SPD)·····································································4 - 108

4.3.16 Zero-return function ·····································································································4 - 109

4.3.17 Forward/reverse drive stop function (FOT/ROT)·························································4 - 110

4.3.18 Position range specification function ···········································································4 - 110

4.3.19 Teaching function·········································································································4 - 1 10

4.3.20 Servo-on function·········································································································4 - 111

4.3.21 Pulse train frequency input··························································································4 - 112

4.4 Communication Functions ········································································································4 - 113

4.4.1 Communication in ASCII mode····················································································4 - 116

4.4.2 Communication in Modbus-RTU mode········································································4 - 129

Chapter 5 Error Codes

5.1 Error Codes and Troubleshooting·····························································································5 - 1

5.1.1 Error codes ··················································································································5 - 1

5.1.2 Option boards error codes···························································································5 - 5

5.1.3 Trip conditions monitoring····························································································5 - 9

5.2 Warning Codes·························································································································5 – 10

5.3 Reset·········································································································································5 – 11

Chapter 6 Maintenance and Inspection

6.1 Precautions for Maintenance and Inspection············································································6 - 1

6.1.1 Daily inspection············································································································6 - 1

6.1.2 Cleaning·······················································································································6 - 1

6.1.3 Periodic inspection·······································································································6 - 1

6.2 Daily and Periodic Inspections··································································································6 - 2

6.3 Ground Resistance Test with a Megger····················································································6 - 3

6.4 Withstand Voltage Test··············································································································6 - 3

6.5 Method of Checking the Inverter and Converter Circuits··························································6 - 4

6.6 DC-Bus Capacitor Life Curve····································································································6 - 5

6.7 Output of Life Warning··············································································································6 - 5

6.8 Methods of Measuring the Input/Output Voltages, Current, and Power···································6 - 6

Chapter 7 Specifications

7.1 Specifications····························································································································7 - 1

7.2 External dimensions··················································································································7 - 4

Chapter 8 List of Data Settings

8.1 Precautions for Data Setting·····································································································8 - 1

8.2 Monitoring Mode·······················································································································8 - 1

8.3 Function Mode··························································································································8 - 2

8.4 Extended Function Mode··········································································································8 - 3

Contents

xiii

Index

Index··············································································································································· Index - 1

Chapter 1 Overview

This chapter describes the inspection of the purchased product, the product warranty, and the names of parts.

1.1 Inspection of the Purchased Product··············· 1 - 1

1.2 Method of Inquiry and Product Warranty ········· 1 - 2

1.3 Exterior Views and Names of Parts ················· 1 - 3

Chapter 1 Overview

1 - 1

1.1 Inspection of the Purchased Product

1.1.1 Inspecting the product

After unpacking, inspect the product as described below. If you find the product to be abnormal or defective, contact your supplier or local Hitachi Di stributor.

(1) Check the product for damage (including falling of parts and dent s in the inverter body) caused during

transportation. (2) Check that the product package contains an inverter set and this Instruction Manual. (3) Check the specification label to confirm that the product is the one you ordered.

Figure 1-1 Location of the specifications label

Figure 1-2 Contents of the specifications label

1.1.2 Instruction manual (this manual)

This Instruction Manual describes how to operate the Hitachi SJ700B Series Inverter. Read this Instruction Manual thoroughly before using the inverter, and then keep it handy for future reference. When using the inverter , together with o ptional prod ucts for the inverter, also refer to the man uals supplie d with the optional products. Note that this Instruction Manual and the manual for each optional product to be used should be delivered to the end user of the inverter.

Specification label

kW/(HP): 15/(20)

Model: SJ700B-150HFF

50Hz,60Hz 380-480V 3 Ph 31.9A

Output/Sortie: 0 -400Hz 380-480V 3 Ph 29A

Input/Entree: 50Hz,60Hz V 1 Ph A

MFGNo. 9916214204000001 Date: 0909

Hitachi Industrial Equipment

Systems Co.,Ltd.

HINC

NE18042-129

Inverter model

Maximum applicable motor capacity

Input ratings

Output ratings Serial number

Chapter 1 Overview

1 - 2

1.2 Method of Inquiry and Product Warranty

1.2.1 Method of inquiry

For an inquiry about product damage or faults or a question about the product, notify your supplier of the following information: (1) Model of your inverter (2) Serial number (MFG No.) (3) Date of purchase (4) Content of inquiry

- Location and condition of damage

- Content of your question

1.2.2 Product warranty

The product will be warranted for one year after the date of purchase. Even within the warranty period, repair of a product fault will not be covered by the warranty (but the repair will be at your own cost) if: (1) the fault has resulted from incorrect usage not conforming to the instructions given in this Instruction

Manual or the repair or modification of the product carried out by an unqualified person, (2) the fault has resulted from a cause not attributable to the delivered product, (3) the fault has resulted from use beyond the limits of the product specifications, or (4) the fault has resulted from disaster or other unavoidable events.

The warranty will only apply to the delivered inverter and excludes all damage to other equipment and facilities induced by any fault of the inverter. The warranty is effective only in Japan.

Repair at the user's charge Following the one-year warranty period, any examination and repair of the product will be accepted at your charge. Even during the warranty period, examination and repairs of faults, subject to the above scope of the warranty disclaimer, will be available at charge. To request a repair at your charge, conta ct your supplier or local Hitachi Distributor. The Hitachi Distributors are listed on the back cover of this Instruction Manual.

1.2.3 Warranty Terms

The warranty period under normal installation and handling conditions shall be two (2) years from the date of manufacture (“DATE” on product nameplate), or one (1) year from the date of installation, whichever occurs first. The warranty shall cover the repair or replacement, at Hitachi’s sole discretion, of ONLY the inverter that was installed. (1) Service in the following cases, even within the warranty period, shall be charged to the purchaser:

a. Malfunction or damage caused by mis-operation or modification or improper rep air b. Malfunction or damage caused by a drop after purchase and transportation c. Malfunction or damage caused by fire, earthquake, flood, lightening, abnormal input voltage,

contamination, or other natural disasters

(2) When service is required for the product at your work site, all expenses associated with field repair

shall be charged to the purchaser . (3) Always keep this manual handy; please do not loose it. Please contact your Hitachi distributor to

purchase replacement or additional manuals.

Chapter 1 Overview

1 - 3

1.3 Exterior Views and Names of Parts

The figure below shows an exterior view of the inverter (model SJ700B-185HFF to SJ700 B-220HFF).

Exterior view of shipped inverter

For the wiring of the main circuit and control circuit terminals, open the terminal block cover. For mounting optional circuit boards, open the front cover.

Exterior view of inverter with front and terminal block covers removed

Front cover

POWER lamp

ALARM lamp

Terminal block cover

Spacer cover

Digital operator

Specification label

Position to mount optional board 1

Main circuit terminals

Backing plate

Control circuit terminals

Position to mount optional board 2

Chapter 2 Installation and Wiring

This chapter describes how to install the inverter and the wiring of main circuit and control signal terminals with typical examples of wiring.

2.1 Installation ························································ 2 - 1

2.2 Wiring ······························································· 2 - 5

Chapter 2 Installation and Wiring

2 - 1

2.1 Installation

CAUTION

- Install the inverter on a non-flammable surface, e.g., metal. Otherwise, you run the risk of fire.

- Do not place flammable materials near the installed inverter. Otherwise, you run the risk of fire.

- When carrying the inverter, do not hold its top cover. Otherwise, you run the risk of injury by dropping the inverter.

- Prevent foreign matter (e.g., cut pieces of wire, sputtering welding materials, iron chips, wire, and dust) from entering the inverter. Otherwise, you run the risk of fire.

- Install the inverter on a structure able to bear the weight specified in this Instruction Manual. Otherwise, you run the risk of injury due to the inverter falling.

- Install the inverter on a vertical wall that is free of vibrations. Otherwise, you run the risk of injury due to the inverter falling.

- Do not install and operate the inverter if it is damaged or its parts are missing. Otherwise, you run the risk of injury.

- The inverter is precision equipment. Do not allow it to fall or be subject to high impacts, step on it, or place a heavy load on it. Doing so may cause the inverter to fail.

！

Chapter 2 Installation and Wiring

2 - 2

2.1.1 Precautions for installation

(1) Transportation The inverter uses plastic parts. When carrying the inverter, handle it carefully to prevent damage to the

parts.

Do not carry the inverter by holding the front or terminal block cover. Doing so may cause the inverter

to fall. Do not install and operate the inverter if it is damaged or its parts are missing.

(2) Surface on which to install the inverter The inverter will reach a high temperature (up to about 150°C) during operation. Install the inverter on

a vertical wall surface made of nonflammable material (e.g., metal) to avoid the risk of fire.

Leave sufficient space around the inverter. In particular, keep sufficient distance between the inverter

and other heat sources (e.g., braking resistors and reactors) if they are installed in the vicinity.

(3) Ambient temperature Avoid installing the inverter in a place where the ambient temperature goes above or below the

allowable range (-10°C to +45°C), as defined by the standard inverter specification.

Measure the temperature in a position about 5 cm distant from the bottom-center point of the inverter,

and check that the measured temperature is within the allowable range.

Operating the inverter at a temperature outside this range will shorten the inverter life (especially the

capacitor life).

(4) Humidity Avoid installing the inverter in a place where the relative humidity goes above or below the allowable

range (20% to 90% RH), as defined by the standard inverter specification. Avoid a place where the inverter is subject to condensation. Condensation inside the inverter will result in short circuits and malfunctioning of electronic parts. Also

avoid places where the inverter is exposed to direct sunlight.

(5) Ambient air Avoid installing the inverter in a place where the inverter is subject to dust, corrosive gases,

combustible gases, flammable gases, grinding fluid mist, or salt water. Foreign particles or dust entering the inverter will cause it to fail. If you use the inverter in a

considerably dusty environment, install the inverter inside a totally enclosed panel.

5 cm or more 5 cm or more

(*1)

(*2)

Inverter

Keep enough clearance between the inverter and the wiring ducts located above and below the inverter to prevent the latter from obstructing the ventilation of the inverter.

*1 10 cm or more

*2 10 cm or more

But for exchanging the DC bus capacitor, take a distance 22cm or more

Inverter

ir flow

Wall

Chapter 2 Installation and Wiring

2 - 3

(6) Installation method and position Install the inverter vertically and securely with screws or bolts on a surface that is free from vibrations

and that can bear the inverter weight.

If the inverter is not installed vertically, its cooling performance may be degraded and tripping or

inverter damage may result.

(7) Mounting in an enclosure When mounting multiple inverters in an enclosure with a ventilation fan, carefully design the layout of

the ventilation fan, air intake port, and inverters.

An inappropriate layout will reduce the inverter-cooling effect and raise the ambient temperature. Plan

the layout so that the inverter ambient temperature will remain within the allowable range.

Position of ventilation fan

(8) Reduction of enclosure size If you mount the inverter inside an enclosure such that the heat sink of the inverter is positioned

outside the enclosure, the amount of heat produced inside the enclosure can be reduced and likewise the size of the enclosure.

Mounting the inverter in an enclosure with the heat sink positioned outside requires an optional

dedicated special metal fitting.

To mount the inverter in an enclosure with the heat sink positioned outside, cut out the enclosure panel

according to the specified cutting dimensions.

The cooling section (including the heat sink) positioned outside the enclosure has a cooling fan.

Therefore, do not place the enclosure in any environment where it is exposed to waterdrops, oil mist, or dust.

(9) Approximate loss by inverter capacity

Inverter capacity (kW)

5.5 7.5 11 15 18.5 22 30 37 45 55

Loss with 70% load (W)

242 312 435 575 698 820 1100 1345 1625 1975

Loss with 100% load (W)

325 425 600 800 975 1150 1550 1900 2300 2800

Efficiency at rated output (%)

94.4 94.6 94.8 94.9 95.0 95.0 95.0 95.1 95.1 95.1

(Unacceptable)

Ventilation fan

Inverter

(Acceptable)

Ventilation fan

Inverter

Chapter 2 Installation and Wiring

2 - 4

Section to be cut off

Joint

2.1.2 Backing plate

(1) For models with 30 kW or less capacity On the backing plate, cut the joints around each section to be cut off with cutting pliers or a cutter,

remove them, and then perform the wiring.

(2) For the models with 37 kW or more

1) For wiring without using conduits Cut an X in each rubber bushing of the backing plate with cutting pliers or a cutter, and then perform

the wiring.

2) For wiring using conduits Remove the rubber bushings from the holes to be used for wiring with conduits, and then fit conduits

into the holes.

Note: Do not remove the rubber bushing from holes that are not used for wiring with a conduit. If a cable is connected through the plate hole without a rubber bushing and conduit, the cable

insulation may be damaged by the edge of the hole, resulting in a short circuit or ground fault.

Backing plate

Rubber bushing

Chapter 2 Installation and Wiring

2 - 5

2.2 Wiring

WARNING

- Be sure to ground the inverter. Otherwise, you run the risk of electric shock or fire.

- Commit wiring work to a qualified electrician. Otherwise, you run the risk of electric shock or fire.

- Before wiring, make sure that the power supply is off. Otherwise, you run the risk of electric shock or fire.

- Perform wiring only after installing the inverter. Otherwise, you run the risk of electric shock or injury.

- Do not remove rubber bushings from the wiring section. Otherwise, the edges of the wiring cover may damage the wire, resulting in a short circuit or ground fault.

CAUTION

- Make sure that the voltage of AC power supply matches the rated voltage of your inverter. Otherwise, you run the risk of injury or fire.

- Do not input single-phase power into the inverter. Otherwise, you run the risk of fire.

- Do not connect AC power supply to any of the output terminals (U, V, and W). Otherwise, you run the risk of injury or fire.

- Do not connect a resistor directly to any of the DC terminals (PD, P, and N). Otherwise, you run the risk of fire.

- Connect an earth-leakage breaker to the power input circuit. Otherwise, you run the risk of fire.

- Use only the power cables, earth-leakage breaker, and magnetic contactors that have the specified capacity (ratings). Otherwise, you run the risk of fire.

- Do not use the magnetic contactor installed on the primary and secondary sides of the inverter to stop its operation.

- Tighten each screw to the specified torque. No screws must be left loose. Otherwise, you run the risk of fire.

- Before operating, slide switch SW1 in the inverter, be sure to turn off the power supply. Otherwise, you run the risk of electric shock and injury.

！

Chapter 2 Installation and Wiring

2 - 6

2.2.1 Terminal connection diagram and explanation of terminals and switch settings

3-phase power supply

400 V class: 380 to 480 V +10%, -15% (50/60 Hz ±5%)

Jumper

When connecting separate power supplies to main and control circuits, remove J51 connector cables beforehand. (See page 2-20)

Power supply for control circuit

Forward rotation command

Intelligent input (8 contacts)

Digital monitor output (PWM output)

Thermistor

Frequency setting circuit 500 to 2,000Ω

0 to 10 VDC (12 bits)

-10 to +10 VDC (12 bits)

4 to 20 mA (12 bits)

Analog monitor output (voltage output)

Analog monitor output (current output)

0 to 10 V (10 bits)

4 to 20 mA (10 bits)

Motor

Jumper bar

Braking resistor (optional) (Models with 30 kW or less capacity have a built-in BRD circuit.)

The dotted line indicates the detachable control terminal board.

Intelligent relay output contact (default: alarm output)

Intelligent output (5 terminals)

For terminating resistor

Option 1

Option 2

Type-C grounding (for 400 V class model) (See page 2-15.)

PLC

P24

DC24V

CM1

R S

R0 T0

CM1

AMI

RS485

AL0

AL1

AL2

HITACHI

POWER ALARM

Hz V A %

RUN

PRG

運転 RUN

機能 FUNC

記憶 STR

停止/

ﾘｾｯﾄ

DC10V

100Ω

10kΩ

CM2

R T

J51

STOP/RESET

Default jumper position for-xFUF2/xFF2 models (sinking type inputs)

Default jumper position for-xFEF2 models (sourcing type inputs)

Chapter 2 Installation and Wiring

2 - 7

(1) Explanation of main circuit terminals

Symbol Terminal name Description

R, S, T

(L1, L2, L3)

Main power input

Connect to the AC power supply. Leave these terminals unconnected when using a regenerative converter (HS900 series).

U, V, W

(T1, T2, T3)

Inverter output Connect a 3-phase motor.

PD, P

(+1, +)

DC reactor connection

Remove the jumper from terminals PD and P, and connect the optional power factor reactor (DCL).

P, R B

(+, RB)

External braking resistor connection

Connect the optional external braking resistor. (The RB terminal is provided on models with 30 kW or less capacity.)

P, N

(+, -)

Regenerative braking unit connection

Connect the optional regenerative braking unit (BRD).

Inverter ground

Connect to ground for grounding the inverter chassis by type-C grounding (for 400 V class models).

(2) Explanation of control circuit terminals

Symbol Terminal name Description Electric property

Analog power

supply

(common)

This common terminal supplies power to frequency command terminals (O, O2, and OI) and analog output terminals (AM and AMI). Do not ground this terminal.

Power

supply

Frequency

setting power

supply

This terminal supplies 10 VDC power to the O, O2, OI terminals.

Allowable load current: 20 mA or less

Frequency

command

(voltage)

Input a voltage (0 to 10 VDC) as a frequency command. 10 V specifies the maximum frequency. To specify the maximum frequency with a voltage of 10 V or less, set the voltage using function "A014".

Input impedance: 10kΩ Allowable input voltages:

-0.3 to +12 VDC

Auxiliary frequency command

(voltage)

Input a voltage (0 to ±10 VDC) as a signal to be added to the frequency command input from the O or OI terminal. You can input an independent frequency command from this terminal (O2 terminal) alone by changing the setting.

Input impedance: 10kΩ Allowable input voltages: 0 to ±12 VDC

Frequency setting input

Frequency

command

(current)

Input a current (4 to 20 mA DC) as a frequency command. 20 mA specifies the maximum frequency. The OI signal is valid only when the AT signal is on. Assign the AT function to an intelligent input terminal.

Input impedance: 10kΩ Maximum allowable current: 24 mA

Analog monitor

(voltage)

This terminal outputs one of the selected "0 to 10 VDC voltage output" monitoring items. The monitoring items available for selection include output frequency, output current, output torque (signed or unsigned), output voltage, input power, electronic thermal overload, LAD frequency, motor temperature, heat sink temperature, and general output.

Maximum allowable current: 2 mA

Analog

Monitor output

AMI

Analog monitor

(current)

This terminal outputs one of the selected "4 to 20 mA DC current output" monitoring items. The monitoring items available for selection include output frequency, output current, output torque (unsigned), output voltage, input power, electronic thermal overload, LAD frequency, motor temperature, heat sink temperature, and general output.

Allowable load impedance: 250Ω or less

Monitor output

Digital monitor

(voltage)

This terminal outputs one of the selected "0 to 10 VDC voltage output (PWM output mode)" monitoring items. The monitoring items available for selection include output frequency, output current, output torque (unsigned), output voltage, input power, electronic thermal overload, LAD frequency, motor temperature, heat sink temperature, general output, digital output frequency, and digital current monitor. For the items "digital output frequency" and "digital current monitor," this terminal outputs a digital pulse signal at 0/10 VDC with a duty ratio of 50%.

Maximum allowable current: 1.2 mA Maximum frequency: 3.6 kHz

P24

Interface power

supply

This terminal supplies 24 VDC power for contact input signals. If the source logic is selected, this terminal is used as a common contact input terminal.

Maximum allowable output current: 100 mA

Power supply

CM1

Interface power

supply

(common)

This common terminal supplies power to the interface power supply (P24), thermistor input (TH), and digital monitor (FM) terminals. If the sink logic is selected, this terminal is used as a common contact input terminal. Do not ground this terminal.

Operation

command

Forward rotation

command

Turn on this FW signal to start the forward rotation of the motor; turn it off to stop forward rotation after deceleration.

Digital (contact)

Contact input

Function selection and logic

switching

1 2 3 4 5 6 7 8

Intelligent input

Select eight of a total 60 functions, and assign these eight functions to terminals 1 to 8.

Note: If the emergency stop function is used, terminals 1 and 3 are used exclusively for the function. For details, see Item (3), "Emergency stop function" (on page 2-8).

[Conditions for turning contact input on] Voltage across input and PLC: 18 VDC or more

Input impedance between input and PLC: 4.7kΩ

Maximum allowable voltage across input and PLC: 27 VDC

Load current with 27 VDC power: about 5.6 mA

Chapter 2 Installation and Wiring

2 - 8

Symbol Terminal name Description Electric property

Contact input

Function selection

and logic switching

PLC

Intelligent input

(common)

To switch the control logic between sink logic and source logic, change the jumper connection of this (PLC) terminal to another terminal on the control circuit terminal block. Jumper terminals P24 and PLC for the sink logic; jumper terminals CM1 and PLC for the sink logic. To use an external power supply to drive the contact inputs, remove the jumper, and connect the PLC terminal to the external interface circuit.

11 12 13 14 15

Intelligent output

Select five of a total 51 functions, and assign these five functions to terminals 11 to 15. If you have selected an alarm code using the function "C062", terminals 11 to 13 or 11 to 14 are used exclusively for the output of cause code for alarm (e.g., inverter trip). The control logic between each of these terminals and the CM2 terminal always follows the sink or source logic.

Open collector output

Status and factor

CM2

Intelligent output

(common)

This terminal serves as the common terminal for intelligent output terminals [11] to [15].

Voltage drop between each terminal and CM2 when output signal is on: 4 V or less

Maximum allowable voltage: 27 VDC

Maximum allowable current: 50 mA

Digital (contact)

Relay contact output

Status and alarm

AL0 AL1 AL2

Intelligent relay

output

Select functions from the 43 available, and assign the selected functions to these terminals, which serve as C contact output terminals.

In the initial setting, these terminals output an alarm indicating that the inverter protection function has operated to stop inverter output.

(Maximum contact capacity) AL1-AL0: 250 VAC, 2 A (resistance) or 0.2 A (inductive load) AL2-AL0: 250 VAC, 1 A (resistance) or 0.2 A (inductive load) (Minimum contact capacity) 100 VAC, 10 mA 5 VDC, 100 mA

Analog

Analog input

Sensor

External

thermistor input

Connect to an external thermistor to make the inverter trip if an abnormal temperature is detected. The CM1 terminal serves as the common terminal for this terminal. [Recommended thermistor properties] Allowable rated power: 100 mW or more Impedance at temperature error: 3kΩ The impedance to detect temperature errors can be adjusted within the range 0Ω to 9,999Ω.

Allowable range of input voltages 0 to 8 VDC [Input circuit]

(3) Explanation of switch settings The internal slide switch (SW1) is used to enable or disable the emergency stop function (the function

is disabled by factory setting).

* For the location of the slide switch, see page 2-9.

DC8V 10kΩ

1kΩ

CM1

Thermistor

Chapter 2 Installation and Wiring

2 - 9

About the emergency stop function (disabled by the factory setting)

- The emergency stop function shuts off the inverter output (i.e. stops the switching operation of the main circuit elements) in response to a command from a hardware circuit via an intelligent input terminal without the operation by internal CPU software.

Note: The emergency stop function does not electrically shut off the inverter but merely stops the switching

operation of the main circuit elements. Therefore, do not touch any terminals of the inverter or any power lines, e.g., motor cables. Otherwise, electric shock, injury, or ground fault may result.

- When the emergency stop function is enabled, intelligent input terminals 1 and 3 are used exclusively for this function, and no other functions can be assigned to these terminals. Even if other functions have been assigned to these terminals, these are automatically disabled and these terminals are used exclusively for the emergency stop function. Terminal [1] function:

This terminal always serves as the a (NO) contact for the reset (RS) signal. This signal resets the inverter and releases the inverter from the trip due to emergency stop (E37.*).

Terminal [3] function:

This terminal always serves as the b (NC) contact for the emergency stop (EMR) signal. This signal shuts off the inverter output without the operation by internal CPU software. This signal makes the inverter trip due to emergency stop (E37.*).

Note: If intelligent input terminal 3 is left unconnected, the cable connected to the terminal is disconnected,

or the signal logic is improper, the inverter trips due to emergency stop (E37.*). If this occurs, check and correct the wiring and signal logic, and then input the reset (RS) signal. Only the reset (RS) signal input from intelligent input terminal [1] can release the inverter from tripping due to emergency stop (E37.*). (The inverter cannot be released from the E37.* status by any operation from the digital operator.)

- To enable the emergency stop function, set the slide lever of slide switch SW1 to ON. (With the factory setting, slide switch SW1 is set to OFF to disable the function.)

Note: Before operating slide switch SW1, make sure that the input power supply is off.

Setting of slide switch SW1 setting and function selection for intelligent input terminals [1] and [3]

Intelligent input terminal [1] Intelligent input terminal [3]

Setting of slide switch

SW1

Terminal [1] function [C001]

a/b (NO/NC) selection

[C011] (*1)

Terminal [3] function [C003]

a/b (NO/NC) selection

[C013] (*1) (*2)

Selectable arbitrarily (*4) Selectable arbitrarily (*4) Selectable arbitrarily (*4) Selectable arbitrarily (*4) SW1 is OFF.

Emergency stop

disabled

(factory setting)

Factory

setting

18 (RS)

Factory

setting

00 (NO)

Factory

setting

06 (JG)

Factory

setting

00 (NO)

Automatic assignment of functions to intelligent input terminals [1] and [3] and the terminal to which function "18 (RS)" has been

assigned (*3)

SW1 is ON.

Emergency stop

enabled (*5)

Fixed function

(cannot be

changed)

18 (RS)

Fixed function

(cannot be

changed)

00 (NO)

Fixed function

(cannot be

changed)

64 (EMR)

Fixed function

(cannot be

changed)

01 (NC)

Selectable arbitrarily (*4) Selectable arbitrarily (*4) Selectable arbitrarily (*4) Selectable arbitrarily (*4)

SW1 is ON (after

setting to OFF once).

Emergency stop

disabled (*3) (*5)

Setting made when SW1 is

set ON

retained

18 (RS)

Setting made when SW1 is

set ON

retained

00 (NO)

Released

from

emergency

stop function

(No function

assigned)

Setting made when SW1 is

set ON

retained

01 (NC)

*1 When function "18 (RS)" is assigned to the input terminal, "a/b (NO/NC)" selection is always "00 (NO)". *2 When terminal setting "C003" is "64 (EMR)", terminal setting "C013" is always "01 (NC)". *3 If function "18 (RS)" has been assigned to an intelligent input terminal other than intelligent input terminals [1] and [3]

before slide switch SW1 is set to ON, the input terminal setting for said terminal is automatically changed to "no (no function assigned)" when slide switch SW1 is set to ON to prevent any duplication of terminal functions. Even if slide switch SW1 is subsequently returned to OFF, the original function setting for said terminal will not be restored. If necessary, the original function will have to be re-assigned to said terminal.

Example: If slide switch SW1 is set to ON when function "18 (RS)" has been assigned to input terminal 2 (by terminal

setting "C002"), terminal setting "C002" is changed to "no (no function assigned)," and function "18 (RS)" is assigned to input terminal 1 (by terminal setting "C001").

Even if slide switch SW1 is subsequently returned to OFF, terminal [2] function "C002" and terminal [1] function "C001"

will remain as "no (no function assigned)" and "18 (RS)," respectively.

*4 Function "64 (EMR)" cannot be assigned to input terminal 3 by an operation from the digital operator. The function is

automatically assigned to the terminal when slide switch SW1 is set to ON.

*5 After slide switch SW1 has been set to ON once, function assignments to intelligent input terminals [1] and [3] are not

returned to their original assignments. If necessary, re-assign original functions to the intelligent input terminals.

Chapter 2 Installation and Wiring

2 - 10

Note: If the data of an optional operator (SRW or SRW-EX) is copied: If operator data is copied to your SJ700B series inverter whose slide switch SW1 is ON from another SJ700B series

inverter whose slide switch SW1 is OFF, the digital operator on your SJ700B series inverter may display [R-ERROR COPY ROM] for a moment. This event may occur because the data on intelligent input terminals [1] and [3] cannot be copied since, on your inverter, exclusive functions have already been assigned to intelligent input terminals [1] and [3] due to the slide switch SW1 setting to ON. Note that other data is copied. If this event occurs, check the settings on both copy-source and copy-destination inverters.

Note: Slide Switch 12

Some models have slide switch in the position as shown below. Default setting of this switch is at "ON" position. Please don't change the setting. If it is changed, inverter may trip and disabled to run.

ＯＮ

Slide switch SW1

OFF ON

Slide lever (factory setting: OFF)

Logic board

OFF

Slide lever

(factory setting: ON)

Slide switch SW12

Chapter 2 Installation and Wiring

2 - 11

2.2.2 Wiring of the main circuit

(1) Wiring instructions Before wiring, be sure to confirm that the Charge lamp on the inverter is off. When the inverter power has been turned on once, a dangerous high voltage remains in the internal

capacitors for some time after power-off, regardless of whether the inverter has been operated.

When rewiring after power-off, always wait 10 minutes or more after power-off, and check with a

multimeter that the residual voltage across terminals P and N is zero to ensure safety during rewiring work.

[Caution] As for the 7.5-11kW inverters, the washer on the main terminal screw (R, S, T, PD, P, N, U, V,

W, RB) has two cutouts. Since those cutouts are to avoid the cable fixing portion of crimp terminal goes under the washer, it should be fixed in direction with those two cutouts in line with cable as described below. Otherwise, you run the risk of loose connection and fire.

1) Main power input terminals (R, S, and T)

- Connect an earth-leakage breaker for circuit (wiring) protection between the power supply and main power input terminals (R, S, and T).

- Use an earth-leakage breaker with a high rating of a high-frequency sensitive current to prevent the breaker from malfunctioning under the influence of high frequency.

- When the protective function of the inverter operates, a fault or accident may occur in your system. Therefore, you are recommended to connect a magnetic contactor that interrupts the power supply to the inverter.

- Do not use the magnetic contactor connected to the power input terminal (primary side) or power output terminal (secondary side) of the inverter to start or stop the inverter. To start and stop inverter operation by external signals, use only the operation commands (FW and RV signals) that are input via control circuit terminals.

- This inverter does not support a single-phase power supply but supports only a three-phase power supply.

If you need to use a single-phase power input, contact your supplier or local Hitachi Distributor.

- Do not operate the inverter with an phase loss power input, or it may be damaged.

Since the factory setting of the inverter disables the phase loss input protection, the inverter will

revert to the following status if a phase of power supply input is interrupted:

R or T phase interrupted: The inverter does not operate. S phase interrupted: The inverter reverts to single-phase operation, and may trip because of

insufficient voltage or overcurrent or be damaged.

Internal capacitors remain charged, even when the power input is under an phase loss condition.

Therefore, touching an internal part may result in electric shock and injury.

When rewiring the main circuit, follow the instructions given in Item (1), "Wiring instructions."

- Carefully note that the internal converter module of the inverter may be damaged if:

- the imbalance of power voltage is 3% or more,

- the power supply capacity is at least 10 times as high as the inverter capacity and 500 kVA or more, or

- the power voltage changes rapidly.

Example: The above conditions may occur when multiple inverters are connected to each other

by a short bus line or your system includes a phase-advanced capacitor that is turned on and off during operation.

- Do not turn the inverter power on and off more often than once every 3 minutes. Otherwise, the inverter may be damaged.

2) Inverter output terminals (U, V, and W)

- Use a cable thicker than the specified applicable cable for the wiring of output terminals to prevent the output voltage between the inverter and motor dropping. Especially at low frequency output, a voltage drop due to cable will cause the motor torque to decrease.

- Do not connect a phase-advanced capacitor or surge absorber on the output side of the inverter. If

washer of the terminal screw

Chapter 2 Installation and Wiring

2 - 12

connected, the inverter may trip or the phase-advanced capacitor or surge absorber may be damaged.

- If the cable length between the inverter and motor exceeds 20 m (especially in the case of 400 V class models), the stray capacitance and inductance of the cable may cause a surge voltage at motor terminals, resulting in a motor burnout.

A special filter to suppress the surge voltage is available. If you need this filter, contact your

supplier or local Hitachi Distributor.

- When connecting multiple motors to the inverter, connect a thermal relay to the inverter output circuit for each motor.

- The RC rating of the thermal relay must be 1.1 times as high as the rated current of the motor. The thermal relay may go off too early, depending on the cable length. If this occurs, connect an AC reactor to the output of the inverter.

3) DC reactor connection terminals (PD and P)

- Use these terminals to connect the optional DC power factor reactor (DCL). As the factory setting, terminals P and PD are connected by a jumper. Remove this to connect the

DCL.

- The cable length between the inverter and DCL must be 5 m or less.

Remove the jumper only when connecting the DCL. If the jumper is removed and the DCL is not connected, power is not supplied to the main circuit of the inverter, and the inverter cannot operate.

4) External braking resistor connection terminals (P and RB) and regenerative braking unit connection terminals (P and N)

- Inverter models with 30 kW or less capacity have a built-in regenerative braking (BRD) circuit. If you need increased braking performance, connect an optional external braking resistor to

terminals P and RB.

Do not connect an external braking resistor with resistance less than the specified value. Such a

resistor may cause damage to the regenerative braking (BRD) circuit.

- Inverter models with capacity of 37 kW or more do not have a built-in regenerative braking (BRD)

circuit.

Increasing the braking performance of these models requires an optional regenerative braking unit

and an external braking resistor. Connect the P and N terminals of the optional regenerative braking unit to the P and N terminals of the inverters.

- The cable length between the inverter and optional regenerative braking unit must be 5 m or less,

and the two cables must be twisted for wiring.

- Do not use these terminals for connecting any devices other than the optional external braking

resistor and regenerative braking unit.

5) Inverter ground terminal (G )

- Be sure to ground the inverter and motor to prevent electric shock.

- According to the Electric Apparatus Engineering Regulations, connect 400 V class models to

grounding electrodes constructed in compliance with type-C grounding (conventional special type-III grounding with ground resistance of 10Ω or less).

- Use a grounding cable thicker than the specified applicable cable, and make the ground wiring as

short as possible.

- When grounding multiple inverters, avoid a multi-drop connection of the grounding route and

formation of a ground loop, otherwise the inverter may malfunction.

Inverter

Grounding bolt prepared by user

Inverter

Chapter 2 Installation and Wiring

2 - 13

(2) Layout of main circuit terminals The figures below show the terminal layout on the main circuit terminal block of the inverter.

Terminal layout Inverter model

SJ700B-055HEF

R0 and T0:M4

Ground terminal:M4

Other terminal:M4

[Method of enabling/disabling the EMC filter function]

(L1) S (L2) T (L3)

(+1) P (+) N (-)

(T1) V (T2) W (T3)

R0 T0

charge lump

Jumper connecting Terminals PD and P

To activate EMC filter, please

configure the setting with the

filter activate pin (J61) and

deactivate pin (J62) as indicated

below table.

Please make sure tha the power

is off before modifying the

setting. There is a danger of

electrical shock..

Pleasse be sure to operate the

inverter with the plugs inserted

properly.

Short plug

Dummy plug(green)

Selector pin(J61)

Selector pin (J62)

selector pin(J61) selector pin (J62)

Enabling the EMC filter

(factory setting:xFEF2)

Short plug Dummy plug(green)

Disabling the EMC filter

(factory setting:xFF2,xFUF2)

Dummy plug(green) Short plug

Chapter 2 Installation and Wiring

2 - 14

Terminal layout Inverter model

SJ700B-075,110HFF

R0 and T0: M4

Ground terminal: M6

Other terminals: M6

(L1) S (L2) T (L3)

(+1) P (+) N (-) U (T1) V (T2) W (T3)

R0 T0

G G

SJ700B-150HFF

R0 and T0: M4

Ground terminal: M6

Other terminals: M6

(L1) S (L2) T (L3)

(+1) P (+) N (-) U (T1) V (T2) W (T3)

R0 T0

G G

SJ700B-185 to

SJ700B-300HFF

R0 and T0: M4

Ground terminal: M6

Other terminals: M6

Disabling the EMC filter

(factory setting :xFF2,xFUF2)

[Method of enabling/disabling the EMC filter

Enabling the EMC filter

(factory setting :xFEF2)

Jumper connecting terminals PD and P

Ground terminal with jumper (shaded in the figure) to enable/disable the EMC filter function

When not using the DCL, do not remove the jumper from terminals PD and P.

[Method of enabling/disabling the EMC filter function]

Charge lamp

Jumper connecting terminals PD and P

Ground terminal with jumper (shaded in the figure) to enable/disable the EMC filter function

When not using the DCL, do not remove the jumper from terminals PD and P.

Enabling the EMC filter

Disabling the EMC filter

Chapter 2 Installation and Wiring

2 - 15

Terminal layout Inverter model

SJ700B-370HFF

R0 and T0: M4

Ground terminal:

Other terminals:

(L1) S (L2) T (L3)

(+1) P (+) N (-) U (T1) V (T2) W (T3)

R0 T0

G G

SJ700B-450HFF

R0 and T0: M4

Ground terminal:

Other terminals:

(L1) S (L2) T (L3)

(+1) P (+) N (-) U (T1) V (T2) W (T3)

R0 T0

charge lump

G G

SJ700B-550HFF

R0 and T0: M4

Ground terminal:

Other terminals: M8

[Method of enabling/disabling the EMC filter function]

Enabling the EMC filter

(factory setting :xFEF2)

Disabling the EMC filter

(factory setting :xFF2,xFUF2)

When not using the DCL, do not remove the jumper from terminals PD and P.

Ground terminal with jumper (shaded in the figure) to enable/disable the EMC filter function

Jumper connecting Terminals PD and P

[Method of enabling/disabling the EMC filter function]

Enabling the EMC filter

(factory setting :xFEF2)

Disabling the EMC filter

(factory setting :xFF2,xFUF2)

Charge lamp

When not using the DCL, do not remove the jumper from terminals PD and P.

Ground terminal with jumper (shaded in the figure) to enable/disable the EMC filter function

Jumper connecting terminals PD and P

Chapter 2 Installation and Wiring

2 - 16

Reference: Leakage current by inverter with model EMC filter enabled or disabled (reference data) The table below lists the reference currents that may leak from the inverter when the internal EMC filter is enabled or disabled. (Leakage current is in proportion to the voltage and frequency of input power.) Note that the values listed in the table below indicate the reference currents leaking from the inverter alone. The values exclude current leakage from external devices and equipment (e.g., power cables).

400 V class model (input power: 400 VAC, 50 Hz)

5.5kW

7.5kW～

15kW

18.5kW～

45kW

55kW

Internal EMC filter enabled

Ca.5mA Ca.95mA Ca.56mA Ca.56mA

Internal EMC filter disabled

Ca.0.2mA Ca.0.2mA Ca.0.2mA C a.0.2mA

Chapter 2 Installation and Wiring

2 - 17

Power supply

Magnetic contactor

Motor

Inverter

(3) Applicable peripheral equipment

See Item (4), "Recommended cable gauges, wiring accessories, and crimp terminals."

Note 1: The peripheral equipment described here is applicable when the inverter

connects a standard Hitachi 3-phase, 4-pole squirrel-cage motor. Note 2: Select breakers that have proper capacity. (Use breakers that comply with inverters.) Note 3: Use earth-leakage breakers (ELB) to ensure safety. Note 4: Use copper electric wire (HIV cable) of which the maximum allowable

temperature of the insulation is 75°C. Note 5: If the power line exceeds 20 m, cable that is thicker than the specified

applicable cable must be used for the power line. Note 6: Use a 0.75 mm

cable to connect the alarm output contact. Note 7: Tighten each terminal screw with the specified tightening torque. Loose terminal screws may cause short circuits and fire. Tightening a terminal screw with excessive torque may cause damage to the

terminal block or inverter body.

Note 8: Select an earth-leakage breaker (ELB) of which the rated sensitivity current

matches the total length of cables connected between the inverter and power supply and between the inverter and motor. Do not use a high-speed type ELB but use a delayed-type ELB because the high-speed type may malfunction.

Note 9: When a CV cable is used for wiring through a metal conduit, the average

current leakage is 30 mA/km.

Note 10: When an IV cable, which has a high relative dielectric constant, is used, the

leakage current is about eight times as high as the standard cable. Therefore, when using an IV cable, use the ELB of which the rated sensitivity current is eight times as high as that given in the table below. If the total cable length exceeds 100 m, use a CV cable.

Total cable length Sensitivity current (mA)

100 m or less 50 300 m or less 100

Name Description Reactor on input side (for harmonic control, power supply coordination, and power factor improvement) (ALI-XXX)

Use this reactor to control harmonic waves or when the imbalance of power supply voltage is 3% or more, when the power supply capacity is 500 kVA or more, or when the power voltage may change rapidly. This reactor also improves the power factor.

Noise filter for inverter (NF-XXX)

This noise filter reduces the conductive noise that is generated by the inverter and transmitted in cables. Connect this noise filter to the primary side (input side) of the inverter.

Radio noise filter (Zero-phase reactor) (ZCL-X)

The inverter may generate radio noise through power supply wiring during operation. Use this noise filter to reduce the radio

noise (radiant noise). Radio noise filter on input side (Capacitor filter) (CFI-X)

Use this noise filter to reduce the radiant noise radiated from

input cables.

DC reactor (DCL-X-XX)

Use this reactor to control the harmonic waves generated by

the inverter.

Braking resistor Regenerative braking unit

Use these devices to increase the braking torque of the

inverter for operation in which the inverter turns the connected

load on and off very frequently or decelerates the load running

with a high moment of inertia.

Noise filter on the output side (ACF-CX)

Connect this noise filter between the inverter and motor to

reduce the radiant noise radiated from cables for the purpose

of reducing the electromagnetic interference with radio and

television reception and preventing malfunctions of measuring

equipment and sensors. Radio noise filter (Zero-phase reactor) (ZCL-XXX)

Use this noise filter to reduce the noise generated on the

output side of the inverter. (This noise filter can be used on

both the input and output sides.)

AC reactor for the output side For reducing vibrations and preventing thermal relay malfunction (ACL-X-XX)

Using the inverter to drive a general-purpose motor may cause

larger vibrations of the motor when compared with driving it

directly with the commercial power supply. Connect this AC

reactor between the inverter and motor to lessen the pulsation

of motor. Also, connect this AC reactor between the inverter

and motor, when the cable length between them is long (10 m

or more), to prevent thermal relay malfunction due to the

harmonic waves that are generated by the switching operation

on the inverter. Note that the thermal relay can be replaced

with a current sensor to avoid the malfunction.

LCR filter

This filter converts the inverter output into a sinusoidal

waveform.

Chapter 2 Installation and Wiring

2 - 18

(4) Recommended cable gauges, wiring accessories, and crimp terminals

Note: For compliance with CE and UL standards, see the safety precautions concerning EMC and the

compliance with UL and CUL standards under Safety Instructions.

The table below lists the specifications of cables, crimp terminals, and terminal screw tightening torques

for reference.

Applicable device

Motor output

(kW)

Applicable inverter

model

Gauge of power line cable (mm

)

(Terminals: R, S, T, U, V, W, P, PD,

and N)

Grounding

cable (mm

)

External braking

resistor across

terminals P and

RB (mm

)

Size of

terminal

screw

Crimp

terminal

Tightening

torque (N-m)

Earth-leakage breaker (ELB)

Magnetic contactor

(MC)

5.5 SJ700B-055HFF 3.5 3.5 3.5 M4 2-4 1.2(MAX1.8) EX50C (30A) HK20

7.5 SJ700B-075HFF 3.5 3.5 3.5 M5 3.5-5

2.4

EX50C (30A) HK20

11 SJ700B-110HFF 3.5 3.5 3.5 M5 3.5-5

2.4

EX50C (30A) HK25

15 SJ700B-150HFF 5.5 5.5 5.5 M6 R5.5-6

4.5

EX50C (30A) HK35

18.5 SJ700B-185HFF 8 8 8 M6 8-6

4.5

EX60B (60A) HK35

22 SJ700B-220HFF 14 14 14 M6 14-6

4.5

EX60B (60A) HK50

30 SJ700B-300HFF 14 14 14 M6 14-6

4.5

RX100 (75A) HK50

37 SJ700B-370HFF 22 22 ― M6 22-6

4.5

RX100 (100A) H65

45 SJ700B-450HFF 38 22 ― M8*) 38-8

8.1

RX100 (100A) H80

400 V class

55 SJ700B-550HFF 38 22 ― M8*) 38-8

8.1

RX225B (150A) H100

Note: Cable gauges indicate those of HIV cables (maximum heat resistance: 75°C). *）Please use the round type crimp terminals ( for the UL standard) suitable for the use electric wire when

you connect the electric wire with the main circuit terminal stand. Please put on pressure to the crimp terminals l with a crimp tool that the terminal stand maker recommends.

(5) Connecting the control circuit to a power supply separately from the main circuit If the protective circuit of the inverter operates to open the magnetic contactor in the input power

supply circuit, the inverter control circuit power is lost, and the alarm signal cannot be retained. To retain the alarm signal, connect control circuit terminals R0 and T0 to a power supply. In details, connect the control circuit power supply terminals R0 and T0 to the primary side of the

magnetic contactor as shown below.

(Connection method)

Power-receiving specifications

400 V class model:

380 to 480 V (+10%, -15%)

(50/60 Hz ±5%),(537 to 678 VDC)

Note the following when connecting separate power supplies to control circuit power supply terminals

(R0 and T0) and main circuit power supply terminals (R, S, and T):

- Use a cable thicker than 1.25 mm

to connect the terminals R0 and T0 (terminal screw size: M4).

- Connect a 3 A fuse in the control circuit power supply line.( Tightening torque:1.2Nm,max torque:1.4Nm)

- If the control circuit power supply (connected to R0 and T0) is turned on earlier than the main circuit power supply (connected to R, S, and T), ground fault is not checked at power-on.

- When supplying DC power to the control circuit power supply terminals (R0 and T0), specify "00" as the "a/b (NO/NC)" selection (function code C031 to C036) for intelligent output terminals ([11] to [15]) and intelligent relay terminals (AL0, AL1, and AL2). If "01" is specified as the "a/b (NO/NC)" selection, output signals may chatter when the DC power supply is shut off.

② Remove the J51 connector.

① Remove the connected cables.

③ Connect the control circuit power

supply cables to the control circuit power supply terminal block.

J51

Chapter 2 Installation and Wiring

2 - 19

2.2.3 Wiring of the control circuit

(1) Wiring instructions

1) Terminals L and CM1 are common to I/O signals and isolated from each other. Do not connect these common terminals to each other or ground them. Do not ground these terminals via any external devices. (Check that the external devices connected

to these terminals are not grounded.)

2) Use a shielded, twisted-pair cable (recommended gauge: 0.75 mm

) for connection to control circuit terminals, and connect the cable insulation to the corresponding common terminal. (Tightening torque:0.7Nm,max torque:0.8Nm)

3) The length of cables connected to control circuit terminals must be 20 m or less. If the cable length exceeds 20 m unavoidably, use a VX-compatible controller (RCD-A) (remote operation panel) or insulated signal converter (CVD-E).

4) Separate the control circuit wiring from the main circuit wiring (power line) and relay control circuit wiring.

If these wirings intersect with each other unavoidably, square them with each other. Otherwise, the

inverter may malfunction.

5) Twist the cables connected from a thermistor to the thermistor input terminal (TH) and terminal CM1, and separate the twisted cables from other cables connected to other common terminals.

Since very low current flows through the cables connected to the thermistor, separate the cables

from those (power line cables) connected to the main circuit. The length of the cables connected to the thermistor must be 20 m or less.

6) When connecting a contact to a control circuit terminal (e.g., an intelligent input terminal), use a relay contact (e.g., crossbar twin contact) in which even a very low current or voltage will not trigger any contact fault.

7) When connecting a relay to an intelligent output terminal, also connect a surge-absorbing diode in parallel with the relay.

8) Do not connect analog power supply terminals H and L or interface power supply terminals P24 and CM1 to each other.

Otherwise, the inverter may fail.

(2) Layout of control circuit terminals

H O2 AM FM TH FW 8 CM1 5 3 1 14 13 11 AL1

L O OI AMI P24 PLC CM1 7 6 4 2 15 CM2 12 AL0 AL2

Terminal screw size: M3(Tightening torque:0.7Nm,max torque:0.8Nm)

(3) Switching the input control logic

- In the factory setting, the input control logic for terminal FW and intelligent input terminals is the sink

logic.

To switch the input control logic to the source logic, remove the jumper connecting terminals P24 and

PLC on the control circuit block, and then connect terminals PLC and CM1 with the jumper.

CM1 7 6

CM1 8 FW

Thermistor

PLC

Chapter 2 Installation and Wiring

2 - 20

(4) Connecting a programmable controller to intelligent input terminals

When using the internal interface power supply

When using an external power supply

(Remove the jumper from the control circuit terminal block.)

Sink logic

Source logic

(5) Connecting a programmable controller to intelligent output terminals

Sink logic

Source logic

2.2.4 Wiring of the digital operator

- You can operate the inverter with not only the digital operator mounted in the inverter as standard equipment but also an optional digital operator (OPE-S, OPE-SR, SRW-OJ, or SRW-OEX).

- When you intend to remove the standard digital operator from the inverter and use it as remote equipment, request your local Hitachi Distributor to supply a connection cable, ICS-1 (1-meter cable) or ICS-3 (3-meter cable).

If you prepare the cable by yourself, the following product is recommended: HUTP5 PC 4P -X-X: Straight cable equipped with connector at both ends (made by Hitachi Cable, Ltd.)

- The length of the connection cable must be 3 m or less. If a cable over 3 m is used, the inverter may malfunction.

Inverter

Output module (EH-YT**,etc.)

Jumper

COM

P24

PLC

CM1

Inverter

P24

DC24V

CM1

DC24V

COM

Output module (EH-YTP**,etc.)

Inverter

Output module (EH-YTP**,etc.)

DC24V

COM

P24

PLC CM1

DC24V

Inverter

Output module (EH-YT**,etc.)

COM

P24

PLC

CM1

Jumper

CM2

COM

Inverter

XDC24D2H

DC24V

Inverter

XDC24D2H

CM2

COM

DC24V

PLC

Chapter 2 Installation and Wiring

2 - 21

2.2.5 Selection and wiring of regenerative braking resistor (on 5.5 kW to 30 kW models)

The SJ700B series inverter models with capacities of 5.5 to 30 kW have an internal regenerative braking circuit. Connecting an optional regenerative braking resistor to RB and P terminals increases the regenerative torque.

Without a resistor

connected

With a resistor

connected

Minimum connectable

resistor

Model

Motor capacity

(kW)

Regenerative

torque (%)

Resistanc

e of connecte d resistor

(Ω)

Regenera

tive

torque

(％)

Resistanc

(Ω)

BRD

usage

rate (％)

Minimum

resistance during

continuous

operation

(Ω)

SJ700B-055HFF 5.5 20 70 100 70 10 200

SJ700B-075HFF 7.5 20 70 100 70 10 200

SJ700B-110HFF 11 20 70 50 35 10 150

SJ700B-150HFF 15 10 50 70 35 10 150

SJ700B-185HFF 18.5 10 35 80 24 10 100

SJ700B-220HFF 22 10 35 70 24 10 100

SJ700B-300HFF 30 10 35 50 20 10 100

Chapter 3 Operation

This chapter describes typical methods of operating the inverter, how to operate the digital operator, and how to make a test run of the inverter.

3.1 Operating Methods··········································· 3 - 1

3.2 How To Operate the Digital Operator··············· 3 - 3

3.3 How To Make a T est Run································· 3 - 10

Chapter 3 Operation

3 - 1

3.1 Operating Methods

WARNING

- While power is supplied to the inverter, do not touch any terminal or internal part of the inverter, check signals, or connect or disconnect any wire or connector. Otherwise, you run the risk of electric shock or fire.

- Be sure to close the terminal block cover before turning on the inverter power. Do not open the terminal block cover while power is being supplied to the inverter o r voltage remains inside. Ot herwise, you run the risk of electric shock.

- Do not operate switches with wet hands. Otherwise, you run the risk of electric shock.

- While power is supplied to the inverter, do not touch the terminal of the inverter, even if it has stopped. Otherwise, you run the risk of injury or fire.

- If an operation command has been input to the inverter before a short-term power failure, the inverter may restart operation after the power recovery. If such a restart may put persons in danger, design a control circuit that disables the inverter from restarting after power recovery. Otherwise, you run the risk of injury.

- The [STOP] key is effective only when its function is enabled by setting. Prepare an emergency stop switch separately. Otherwise, you run the risk of injury.

- While power is supplied to the inverter, do not touch any internal part of the inverter or insert a bar in it. Otherwise, you run the risk of electric shock or fire.

CAUTION

- Do not touch the heat sink, which heats up during the inverter operation. Otherwise, you run the risk of burn injury.

- The inverter allows you to easily control the speed of motor or machine operations. Before operating the inverter, confirm the cap acity and ratings of the motor or machine controlled by the inverter. Otherwise, you run the risk of injury and damage to machine.

- Install an external brake system if needed. Otherwise, you run the risk of injury.

- When using the inverter to operate a st andard motor at a frequency of over 60 Hz, che ck the allowable motor speeds with the manufacturers of the motor and the machine to be driven and obtain their consent before starting inverter operation. Otherwise, you run the risk of damage to the motor and machine and injury

- During inverter operation, check the motor for the direction of rotation, abnormal sound, and vibrations. Otherwise, you run the risk of damage to the machine driven by the motor.

！

Chapter 3 Operation

3 - 2

You can operate the inverter in different ways, depending on how to input the op eration and frequency-setting commands as described below. This section describes the features of operating methods and the items required for operation.

(1) Entering operation and frequency-setting commands from the digital operator This operating method allows you to operate the inverter through key operations on the standard

digital operator mounted in the inverter or an optional digital operat or.

When operating the inverter with a digital operator alone, you need not wire the control circuit

terminals.

(Items required for operation)

1) Optional digital operator (not required when you use the standard digital operator)

(2) Entering operation and frequency-setting commands via control circuit terminals This operating method allows you to operate the inverter via the input of operation signals from

external devices (e.g., frequency-setting circuit and start switch) to control circuit terminals.

The inverter starts operation when the input power supply is turned on and then an operation

command signal (FW or RV) is turned on.

You can sel ect the frequency-setting method (setting by voltage specification or current specification)

through the input to a control circuit terminal according to your system. For details, see Item (2), "Explanation of control circuit terminals," in Section 2.2.1 (on pages 2-7 and 2-8).

(Items required for operation)

1) Operation command input device: External switch or relay

2) Frequency-setting command input device: External device to input signals (0 to 10 VDC, -10 to +10 VDC, or 4 to 20 mA)

(3) Entering operation and frequency-setting commands; both from a digital operator and via control

circuit terminals

This operating method allows you to arbitrarily select the digital operator or control circuit terminals as

the means to input operation commands and frequency-setting commands.

(Items required for operation)

1) See the items required for the above two operating methods.

Digital operator

Operation command input device (switch)

Frequency-setting command input device (control)

Control circuit terminal block

CM1(for -xFF/xFUF), P24(for –xFEF)

Chapter 3 Operation

3 - 3

3.2 How To Operate the Digital Operator (OPE-S)

3.2.1 Names and functions of components

Name Function POWER lamp Lights when the control circuit power is on. ALARM lamp Lights to indicate that the inverter has tripped. RUN (operation) lamp Lights to indicate that the inverter is operating.

PRG (program) lamp

Lights when the monitor shows a value set for a function. This lamp starts blinking to indicate a warning (when the set value is invalid).

Monitor Displays a frequency, output current, or set value. Monitor lamps

Indicates the type of value and units displayed on the monitor. "Hz" (frequency), "V" (voltage), "A" (current), "kW" (electric power), and "%" (percentage)

RUN key enable LED

Lights up when the inverter is ready to respond to the RUN key. (When this lamp is on, you can start the inverter with the RUN key on the digital operator.)

RUN key

Starts the inverter to run the motor . This key is ef fective only when the operating device is the digital operator.

(To use this key, confirm that the operating device indicator lamp is on.) STOP/RESET key Decelerates and stops the motor or resets the inverter from alarm status. FUNC (function) key Makes the inverter enter the monitor, function, or extended function mode. STR (storage) key Stores each set value. (Always press this key after changing a set value.)

1 (up) or 2 (down) key

Switches the inverter operation mode (among monitor, function, and extended function

modes) or increases or decreases the value set on the monitor for a function.

Monitor lamps

2 (down) key

LARM lamp

POWER lamp

STR (storage) key

PRG (program) lamp

RUN key enable LED

1 (up) key

RUN (operation) lamp

Monitor (4-digit LED display)

RUN key

FUNC (function) key

STOP/RESET key

Chapter 3 Operation

3 - 4

3.2.2 Code display system and key operations

This section describes typical examples of digital operator operation (in basic and full display modes) and an example of special digital operator operation in extended function mode U.

The initial display on the monitor screen after power-on depends on the setting of function "b038". For details, see Section 4.2.81, "Initial-screen selection," (on page 4-78).

When the setting of function "b038" is "01" (factory setting), the monitor initially shows as the setting of function "d001" (output frequency monitoring). Pressing the key in this status changes the display to .

Note: The display contents on the monitor depend on the settings of functions "b037" (function code

display restriction), "b038" (initial-screen selection), and "b039" (automatic setting of user parameters). For details, see Sections 4.2.80, "Function code display restriction," (on page 4-76),

4.2.81, "Initial-screen selection," (on page 4-78), and 4.2.82, "Automatic user-parameter setting," (o n page 4-79).

Item Function code Data Description

00 Full display 01 Function-specific display 02 User setting 03 Data comparison display

Function code display

restriction

b037

04 Basic displa y (factory setting) 00

Screen displayed when the [STR] key was pressed last

(same as the operation on the SJ300 series) 01 d001 (output frequency monitoring) 02 d002 (output current mon itoring) 03 d003 (rotation direction min itoring) 04 d007 (Scaled output frequency monitoring)

Initial-screen selection

(Initial display at

power-on)

b038

(*1)

05 F001 (output frequ ency setting) 00 Disable Selection of automatic

user-parameter settings

b039

(*1)

01 Enable

*1 Not displayed with the factory setting

* The following procedure enables you to turn the monitor display back to or (*1)

regardless of the current display mode:

- Hold down the key for 3 seconds or more. The monitor shows and (*1) alternately.

During this status, press the key. The monitor will show only or (*1),

which is shown when the is pressed.

*1 The monitor shows only when the motor driven by the inverter is stopped. While the

motor is running, the monitor shows an output frequency.

FUNC

Chapter 3 Operation

3 - 5

(1) Example of operation in basic display mode ("b037" = "04" [factory setting])

- Only basic parameters can be displayed in basic display mode. (All parameters in monitor mode, four parameters in function mode, or 20 parameters in extended function mode)

- Other parameters are not displayed. T o display all pa rameters, select the full displ ay mode ("b037" = "00").

Note:

If a desired parameter is not displayed, check the setting of function "b037" (function code display restriction). To display all parameters, specify "00" for "b037".

No. Display code Item

1 d001 to d104 Monitor display 2 F001 Output frequency setting 3 F002 Acceleration (1) time setting 4 F003 Deceleration (1) time setting 5 F004 Operation direction setting 6 A001 Frequency source setting 7 A002 Run command source setting 8 A003 Base frequency setting 9 A004 Maximum frequency setting

10 A005 [AT] selection

11 A020 Multispeed frequency setting 12 A021 Multispeed 1 setting 13 A022 Multispeed 2 setting 14 A023 Multispeed 3 setting 15 A044 1st control method 16 A045 V/f gain setting 17 A085 Operation mode selection 18 b001 Selection of restart mode 19 b002 Allowable under-voltage power failure time 20 b008 Retry-after-trip selection 21 b011 Retry wait time after trip 22 b037 Function code display restriction 23 b083 Carrier frequency setting 24 b084 Initialization mode selection

25 b130

Selection of overvoltage suppression

function 26 b131 Setting of overvoltage suppression level 27 C021 Setting of intelligent output terminal 11 28 C022 Setting of intelligent output terminal 12 29 C036 Alarm relay active state

Chapter 3 Operation

3 - 6

Key operation and transition of the

codes on display

Key operation and transition of the monitored data on display

Pressing the or key respectively scrolls up or down the code displayed in code display mode or increases or decreases the numerical data displayed in data displ ay mode. Press the or key until the desired code or numerical data is shown. To scroll codes or increase/decrease numerical data faster, press and hold the key.

Monitor mode

Pressing the key with a function code displayed shows the monitored data corresponding to the function code.

(Monitor display) (*1)

Pressing the or key with the monitored data displayed reverts to the display of the function code corresponding to the monitored data. * With the factory setting, the monitor shows initially after power-on. Pressing the key in this status changes the display to .

Function or extended function mode

Pressing the key with a function code displayed shows the data corresponding to the function code.

(Data display)

(*1)(*2)

Data setting Pressing the or key respectively increases or decreases the displayed numerical data. (Press the key until the desired data is shown.)

Pressing the key with numerical data displayed stores the data and then returns to the display of the corresponding function code. Note that pressing the key with numerical data displayed returns to the display of the function code corresponding to the numerical data without updating the data, even if it has been changed on display.

*1 The content of the display varies depending on the

parameter type.

*2 To update numerical data, be sure to press the

key after changing the data.

1 2

Up to the

maximum limit

Down to the

minimum limit

FUNC

STR

FUNC STR

FUNC

STR

FUNC

STR

FUNC

Chapter 3 Operation

3 - 7

(2) Example of operation in full display mode ("b037" = "00") All parameters can be displayed in full display mode. The display sequence of parameters matches

their sequence shown in Chapter 8, "List of Data Settings."

*1 The content of the display varies depending on the

parameter type.

*2 To update numerical data, be sure to press the

key after changing the data.

Key operation and

transition of codes on

display (in monitor or

function mode)

Key operation and

transition of monitored

data on display (in monitor

or function mode)

Key operation and

transition of codes on

display (in extended

function mode)

Key operation and

transition of monitored

data on display (in

extended function mode)

FUNC

Monitor mode

(Monitor display)

(*1)

(Data display)

(*1) (*2)

Function mode

FUNC STR

FUNC

FUNC STR

FUNC

Extended function mode A

For the display and key operation in extended function mode U, see the next page.

(*1) (*2)

(Data display)

Extended function mode B

Extended function mode C

Extended function mode H

Extended function mode P

FUNC STR

FUNC

STR

FUNC

Chapter 3 Operation

3 - 8

(3) Code/data display and key operation in extended function mode U The extended function mode U differs in operation from other extended function modes because the

extended function mode U is used to register (or automatically record) other extended-function codes as user-specified U parameters.

*1 The content of the display varies depending on the

parameter type.

*2 To update numerical data, be sure to press the

key after changing the data.

Key operation and

transition of codes on

display (in monitor or

function mode)

Key operation and

transition of codes on

display (in extended

function mode U)

Key operation and transition

of codes on display (when

displaying extended-function

mode parameters from the extended function mode U)

Key operation and

transition of codes on

display (in monitor,

function, or extended

STR

(*1) (*2)

(Data display)

Extended function mode A

Extended function mode B

Extended function mode C

Extended function mode H

Extended function mode P

Monitor mode

Function mode

Pressing the key reflects the value set here in the corresponding parameter . Note that the value is not reflected in the corresponding U parameter.

Extended function mode U

Pressing the key stores the value set here in the corresponding U parameter.

You cannot restore the display with the key.

(Display with the factory setting)

FUNC

FUNC STR

FUNC

FUNC STR

FUNC

STR

Chapter 3 Operation

3 - 9

(4) Procedure for directly specifying or selecting a code

- You can specify or select a code or data by entering each digit of the code or data instead of scrolling codes or data in the monitor, function, or extended function mode.

- The following shows an example of the procedure for changing the monitor mode code "d001" displayed to extended function code "A029":

("A029" is displayed.)

FUNC STR

RUN

STOP/

RESET

FUNC STR

RUN

STOP/

RESET

FUNC

RUN

STOP/

RESET

FUNC STR

RUN

STOP/

RESET

STR

FUNC

RUN

STOP/ RESET

STR

FUNC STR

RUN

STOP/ RESET

FUNC

RUN

STOP/ RESET

STR

FUNC STR

RUN

STOP/

RESET

FUNC STR

RUN

STOP/ RESET

FUNC

STR

FUNC

STR

FUNC

(*2) (*3)

2) Change to the extended function mode.

Press the and keys to

ether. (*1)

- Character "d" in the leftmost digit (fourth digit from the right) starts blinking.

Press the key twice.

("A001" is displayed.)

(*3)

- Character "A" is blinking.

- Pressing the [STR] key determines the blinking character.

(*2)

Press the key (to determine character "A").

3) Change the third digit of the code.

- Character "0" in the third digit is blinking.

- Since the third digit need not be changed, press the [STR] key to determine the character "0".

- Character "0" in the second digit is blinking.

Press the key.

(Character "0" is determined.)

(*2)

4) Change the second digit of the code.

Press the key twice.

- Character "2" in the second digit is blinking.

(*2)

- Character "1" in the first digit is blinking.

STR

Press the key.

("A021" is displayed.)

5) Change the first digit of the code.

- Character "9" in the first digit is blinking.

Press the key eight times or the ke

twice.

(*2)

STR

Press the key.

(Character "9" is determined.)

- Selection of code "A029" is completed. * If a code that is not defined in the code list

or not intended for display is entered, the leftmost digit (fourth digit) (character "A" in this example) will start blinking again.

In such a case, confirm the code to be entered and enter it correctly. For further information, refer to Section 4.2.80. " Function code display restriction," (on page 4-74), Section 4.2.81, "Initial-screen selection," (on page 4-76), Section 4.2.82, "Automatic user-parameter setting," (on page 4-77), and Chapter 8, "List of Data Settings."

7) Press the key to display the data corresponding to the function code, change the data with the and/or key, and then press the key to store the changed data. (*4)

Note that you can also use the procedure (steps 1) to 6)) described here to change the data. (*3)(*4)

This procedure can also be used on screens displaying a code other than "d001".

If the key is pressed while a digit is blinking, the display will revert to the preceding status for entering the digit to the right of the blinking digit.

If the key is pressed while the leftmost (fourth) digit is blinking, the characters having been entered to change the code will be cancelled and the display will revert to the original code shown before the and keys were pressed in step 1).

When changing data, be sure to press the key first.

FUNC

1 2

STR

("d001" is displayed.)

1) Display the monitor mode code. 6) End the change of the extended function code.

Chapter 3 Operation

3 - 10

3.3 How To Make a Test Run

This section describes how to make a test run of the inverter that is wired and connected to external devices in a general way as shown below. For the detailed method of using the digital operator, see Section 3.2, "How To Operate the Digital Operator." (1) When entering operation and frequency-setting commands from the digital operator: (The operating procedure below is common to the standard and optional digital operators.)

(Operating procedure)

1) Confirm that all wirings are correct.

2) Turn on the earth-leakage breaker (ELB) to supply power to the inverter. (The POWER lamp [red LED] of the digital operator goes on.)

* When using an inverter with the factory setting, proceed to step 5).

3) Select the digital operator as the operating device via the frequency source setting function.

- Display the function code "A001" on the monitor screen, and then press the key once. (The m onitor shows a 2-digit numeric value.)

- Use the and/or key to change the displayed numeric value to [02], and then press the key once to specify the digital operator as the operating device to input frequency-setting commands.

(The di splay reverts to [A001].)

4) Select the digital operator as the operating device by the run command source setting function.

- Display the function code "A002" on the monitor screen, and then press the key once.

(The m onitor shows a 2-digit numeric value.)

- Use the and/or key to change the displayed numeric value to "02", and then press the key once to specify the digital operator as the operating device to input operation commands.

(The display reverts to [A002]. The operating device indicator lamp above the [RUN] key goes on.)

5) Set the output frequency.

- Display the function code "F001" on the monitor screen, and then press the key once.

(The monitor sho ws a preset output freq uency. With the factory setting, [0 Hz] is shown.)

- Use the and/or key to change the displayed numeric value to the desired output frequency, and then press the key once to determine the frequency.

(The di splay reverts to [F001].)

6) Set the operation direction of the motor.

- Display the function code "F004" on the monitor screen, and then press the key once.

(The m onitor shows "00" or "01".)

Type-C grounding (400 V class model)

DC reactor

Moto

U V W

AL0AL1A

CM2

SP SN

RP SN

Braking unit

larm output contacts

P24

PLC

CM1

R S T

3-phase power supply

ELB

．．．

Digital operator

．．．

FUNC

STR

FUNC

STR

FUNC

Default jumper position for sinking type inputs (Altanatively, CM1-PLC for souricing tiype)

Chapter 3 Operation

3 - 1 1

- Use the and/or key to change the displayed value to "00" for forward operation or "01" for reverse operation, and then press the key once to determine the operation direction.

(The di splay reverts to [F004].)

7) Set the monitor mode.

- To monitor the output frequency, display the function code "d001", and then press the key once.

(The m onitor shows the output frequency.) To monitor the operation direction, display the function code "d003", and then press the key

once.

(The monitor shows for forward operation, for reverse operation, or for stopping.)

8) Press the key to start the motor. (The RUN lamp [green LED] goes on.)

9) Press the key to decelerate or stop the motor. (When the motor stops, the RUN lamp [green LED] goes off.)

- During the test run, confirm that the inverter does not trip while accelerating or decelerating the motor and that the motor speed and frequencies are correct.

- If a trip due to overcurrent or overvoltage has occurred during the test run, increase the acceleration and deceleration time.

- Make sure that there is enough margin to trip level by monitoring the output current (d002) and DC voltage (d102).

STR

FUNC

RUN

STOP/

RESET

Chapter 3 Operation

3 - 12

(Operating procedure)

1) Confirm that all wirings are correct.

2) Turn on the earth-leakage breaker (ELB) to supply power to the inverter. (The POWER lamp [red LED] of the digital operator goes on.)

3) Select the control circuit terminal block as the device to input frequency-setting commands by the frequency source setting function.

- Display the function code "A001" on the monitor screen, and then press the key once.

(The monitor shows a 2-digit numeric value.)

- Use the and/or key to change the displayed numeric value to [01], and then press the

key once to specify the control circuit terminal block as the device to input frequency-setting commands.

(The di splay reverts to [A001].)

4) Select the control circuit terminal block as the device to input operation commands by the run command source setting function.

- Display the function code "A002" on the monitor screen, and then press the key once.

(The monitor shows a 2-digit numeric value.)

- Use the and/or key to change the displayed numeric value to "01", and then press the

key once to specify the digital operator as the device to input operation commands.

(The di splay reverts to [A002].)

5) Set the monitor mode.

- To monitor the output frequency, display the function code "d001", and then press the key once. (The m onitor shows the output frequency.) To monitor the operation direction, display the function code "d003", and then press the key

once.

(The monitor shows for forward operation, for reverse operation, or for stopping.)

6) Start the motor operation.

- Set the FW signal (at the FW terminal on the control terminal block) to the ON level to start the

motor.

(The RUN lamp [green LED] goes on.)

- Apply a voltage across the terminals O and L on the control circuit block to output the freque ncy

corresponding to the applied voltage from the inverter.

7) Stop the motor.

- Set the FW signal (at the FW terminal on the control terminal block) to the OFF level to decelerate

and stop the motor.

(When the m otor stops, the RUN lamp [green LED] goes off.)

U V W

AL0AL1A

････

CM2

SP SN

RP SN

Operating box (OPE-4MJ2) (OPE-8MJ2)

P24

PLC

CM1

R S T

ELB

(RV)

Type-C grounding (400 V class model)

DC reactor

Moto

Braking unit

3-phase power supply

Digital operator

FUNC

STR

FUNC

Default: for sinking type

Chapter 4 Explanation of Functions

This chapter describes the functions of the inverter.

4.1 Monitor Mode ··················································· 4 - 1

4.2 Function Mode·················································· 4 - 7

4.3 Functions Available When the Feedback Option Board (SJ-FB) Is Mounted···················· 4 - 96

4.4 Communication Functions································ 4 - 113

Chapter 4 Explanation of Functions

4 - 1

4.1 Monitor Mode

4.1.1 Output frequency monitoring

When the output frequency monitoring function (d001) is selected, the inverter displays the output frequency. The inverter displays "0.00" when the frequency output is stopped. The Hz monitor lamp lights up while the inverter is displaying the output frequency.

(Display)

0.00 to 99.99 in steps of 0.01 Hz

100.0 to 400.0 in steps of 0.1 Hz

Note: When you have selected the digital operator as the device to input frequency-setting commands

(A001=02), you can change the output frequency setting by using the △and/or ▽ key (only while the inverter is operating the motor).

- The change in output frequency made in this mode can be reflected in the frequency setting (function "F001"). Press the STR key to write the new frequency over the currently selected frequency setting.

- You cannot change the output frequency while the PID function is enabled or the inverter is not operating the motor.

4.1.2 Output current monitoring

When the output current monitoring function (d002) is selected, the inverter displays the output current. The inverter displays "0.0" when the current output is stopped. The A monitor lamp lights up while the inverter is displaying the output current.

(Display)

0.0 to 999.9 in steps of 0.1 A

4.1.3 Rotation direction monitoring

When the rotation direction monitoring function (d003) is selected, the inverter displays the motor operation direction. The RUN lamp lights up while the inverter is operating the motor (in forward or reverse direction).

(Display)

F: Forward operation o: Motor stopped r: Reverse operation

4.1.4 Process variable (PV), PID feedback monitoring

When "01" (enabling PID operation) or "02" (enabling inverted-data output) has been specified for function "A071" (PID Function Enable) and the process variable (PV), PID feedback monitoring function (d004) is selected, the inverter displays the PID feedback data. You can also convert the PID feedback to gain data by setting a PV scale conversion (with function "A075").

Value displayed by function "d004" = "feedback quantity" (%) x " PV scale conversion (A075)" The PV scale conversion can be set (by function "A075") within the range 0.01 to 99.99 in steps of 0.01.

(Display)

0.00 to 99.99 in steps of 0.01

100.0 to 999.9 in steps of 0.1

1000. to 9999. in steps of 1 ⎡100 to ⎡999 in units of 10

d001: Output frequency monitoring

Related code

d002: Output current monitoring

Related code

d003: Rotation direction monitoring

Related code

d004: Process variable (PV), PID feedback monitoring A071: PID Function Enable A075: PV scale conversion

Related code

Chapter 4 Explanation of Functions

4 - 2

4.1.5 Intelligent input terminal status

When the intelligent input terminal status function (d005) is selected, the inverter displays the states of the inputs to the intelligent input terminals. The internal CPU of the inverter checks each intelligent input for significance, and the inverter displays active inputs as those in the ON state. (*1) Intelligent input terminal status is independent of the a/b contact selection for the intelligent input terminals.

(Example)

FW terminal and intelligent input terminals [7], [2], and [1]: ON Intelligent input terminals [8], [6], [5], [4], and [3]: OFF

(*1)When input terminal response time is set, terminal recognition is delayed. (refer 4.2.79)

4.1.6 Intelligent output terminal status

When the intelligent output terminal status function (d006) is selected, the inverter displays the states of the outputs from the intelligent output terminals. This function does not monitor the states of the control circuit terminals but monitors those of the outputs from the internal CPU. Intelligent input terminal status is independent of the a/b contact selection for the intelligent input terminals.

(Example)

Intelligent output terminals [12] and [11]: ON Alarm relay terminal AL and intelligent output terminals [15] to [13]: OFF

4.1.7 Scaled output frequency monitoring

When the scaled output frequency monitoring (d007) is selected, the inverter displays the gain data converted from the output frequency with the frequency scaling conversion factor (b086). Use this function, for example, to change the unit of a value (e.g., motor speed) on display. Value displayed by function "d007" = "output frequency monitor(d001)" x "frequency scaling conversion factor (b086)" The frequency scaling conversion factor (b086) can be set within the range 0.1 to 99.9 in steps of 0.1.

(Example) Displaying the speed of a 4-pole motor

Speed N (min

-1

) = (120 x f [Hz])/pole = f (Hz) x 30 As the result of the above calculation with the factor (b086) set to 30.0, the inverter displays "1800" (60 x 30.0) when the output frequency is 60 Hz.

(Display)

0.00 to 99.99 in steps of 0.01

100.0 to 999.9 in steps of 0.1

1000. to 9999. in steps of 1 1000 to 3996 in units of 10

Note: When you have selected the digital operator as the device to input frequency-setting commands,

you can change the output frequency setting by using the △ and/or ▽ key (only while the inverter is operating the motor).

- You cannot change the output frequency while the PID function is enabled or the inverter is not operating the motor.

OFF

(ON)

(OFF)

(ON)

(OFF)

Display

: The segment is on,

indicating the ON state.

: The segment is off,

indicating the OFF state.

Intelligent input terminals

OFF

(ON)

(OFF)

Display

: The segment is on,

indicating the ON state.

: The segment is off,

indicating the OFF state.

Intelligent input terminals

d005: Intelligent input terminal status

Related code

d006: Intelligent output terminal status

Related code

d007: Scaled output frequency monitoring b086: Frequency scaling conversion factor

Related code

Chapter 4 Explanation of Functions

4 - 3

4.1.8 Actual-frequency monitoring

The actual-frequency monitoring function is effective only when a motor equipped with an encoder is connected to the inverter and the feedback option board (SJ-FB) is mounted in the inverter. When the actual-frequency monitoring function (d008) is selected, the inverter displays the actual operating frequency of the motor (regardless of the motor control method (A044 or A244)).

(Display)

Forward operation:

0.00 to 99.99 in steps of 0.01 Hz

100.0 to 400.0 in steps of 0.1 Hz

Reverse operation:

- 0.0 to -99.9 in steps of 0.1 Hz

- 100 to -400 in steps of 1 Hz

Note: To use this monitoring function, set the encoder pulse-per-revolution (PPR) setting (P011) and the

number of motor poles (H004 or H204) correctly.

4.1.9 Torque command monitoring

The torque command monitoring function is effective when you have selected control by torque for the vector control with sensor. When the torque command monitoring function (d009) is selected, the inverter displays the value of the currently input torque command. The % monitor lamp lights up while the inverter is displaying the torque command value. Assign 52 (ATR) on intelligent input terminal and turn on to activate torque control.

(Display)

0. to 150. in steps of 1 %

4.1.10 Torque bias monitoring

The torque bias monitoring function is effective when you have selected the vector control with sensor. When the torque bias monitoring function (d010) is selected, the inverter displays the value of the currently set value of torque bias. The % monitor lamp lights up while the inverter is displaying the torque bias value.

(Display)

-150. to +150. in steps of 1 %

4.1.11 Torque monitoring

When the torque monitoring function (d012) is selected, the inverter displays the estimated value of the torque output from the inverter. The % monitor lamp lights up while the inverter is displaying the estimated output torque.

(Display)

-150. to +150. in steps of 1 %

Note: This monitoring function is effective only when you have selected the sensorless vector control,

0Hz-range sensorless vector control, or vector control with sensor as the control mode.

Displayed value is not accurate when the other control method is selected.

4.1.12 Output voltage monitoring

When the output voltage monitoring function (d013) is selected, the inverter displays the voltage output from the inverter. The V monitor lamp lights up while the inverter is displaying the output voltage.

(Display)

0.0 to 600.0 in steps of 0.1 V

(remark) Displayed value may not be accurate when the output voltage is differ from input voltage.

4.1.13 Power monitoring

When the power monitoring function (d014) is selected, the inverter displays the electric power (momentary value) input to the inverter. The kW monitor lamps (V and A lamps) light up while the inverter is displaying the input power.

(Display)

0.0 to 999.9 in steps of 0.1 kW

d008: Actual-frequency monitoring P011: Encoder pulse-per-revolution (PPR) setting H004: Motor poles setting, 1st motor H204: Motor

oles setting, 2nd moto

Related code

d009: Torque command monitoring P033: Torque command input selection P034: Torque command setting A044:

V/f characteristic curve selectcion

C001 to C008: Terminal [1] to [8]

Related code

d013: Output voltage monitoring

Related code

d014: Power monitoring

Related code

d010: Torque bias monitoring A044:

V/f characteristic curve selectcion

P036: Torque bias mode P037: Torque bias value P038: Torque bias polarity

Related code

d012: Torque monitoring A044:

V/f characteristic curve selectcion

Chapter 4 Explanation of Functions

4 - 4

4.1.14 Cumulative power monitoring

When the cumulative power monitoring function is selected, the inverter displays the cumulative value of electric power input to the inverter. You can also convert the value to be displayed to gain data by setting the cumulative input power display gain setting (b079).

Value displayed by function "d015" = "calculated value of input power (kW/h)"/"cumulative input power display gain setting (b079)" The cumulative power input gain can be set within the range 1 to 1000 in steps of 1.

You can clear the cumulative power data by specifying "01" for the cumulative power clearance function (b078) and pressing the STR key. You can also clear the cumulative power data at an intelligent input terminal by assigning function "53" (KHC: cumulative power clearance) to the intelligent input terminal. When the cumulative input power display gain setting (b079) is set to "1000", the cumulative power data up to 999000 (kW/h) can be displayed.

(Display)

0.0 to 999.9 in steps of 1 kW/h, or the unit set for function "b079" 1000 to 9999 in units of 10 kW/h, or the unit set for function "b079" ⎡100 to ⎡999 in units of 1000 kW/h, or the unit set for function "b079"

4.1.15 Cumulative operation RUN time monitoring

When the cumulative operation RUN time monitoring function (d016) is selected, the inverter displays the cumulative time of the inverter operation.

(Display)

0. to 9999. in units of 1 hour 1000 to 9999 in units of 10 hours ⎡100 to ⎡999 in units of 1,000 hours

4.1.16 Cumulative power-on time monitoring

When the cumulative power-on time monitoring function(d017) is selected, the inverter displays the cumulative time throughout which the inverter power has been on.

(Display)

0. to 9999. in units of 1 hour 1000 to 9999 in units of 10 hours ⎡100 to ⎡999 in units of 1,000 hours

4.1.17 Heat sink temperature monitoring

When the heat sink temperature monitoring function (d018) is selected, the inverter displays the temperature of the internal heat sink of the inverter.

(Display)

0.0 to 200.0 in steps of 0.1 °C

4.1.18 Motor temperature monitoring

When the motor temperature monitoring function is selected, the inverter displays the temperature of the thermistor connected between control circuit terminals TH and CM1. Use the thermistor model PB-41E made by Shibaura Electronics Corporation. Specify "02" (enabling NTC) for the thermistor for thermal protection control (function "b098").

(Display)

0.0 to 200.0 in steps of 0.1 °C.

Note: If "01" (enabling PTC) is specified for the thermistor for thermal protection control (function "b098"),

motor temperature monitoring is disabled.

d015: Cumulative power monitoring b078: Cumulative power clearance b079: Cumulative input power display gain setting

Related code

d016: Cumulative operation RUN time monitoring

Related code

d017: Cumulative power-on time monitoring

Related code

d019: Motor temperature monitoring b098: Thermistor for thermal

protection control

Related code

d018: Heat sink temperature

monitoring

Related code

Chapter 4 Explanation of Functions

4 - 5

4.1.19 Life-check monitoring

When the life-check monitoring function (d002) is selected, the inverter displays the operating life status of two inverter parts output from corresponding intelligent output terminals by using LED segments of the monitor. The two targets of life-check monitoring are: 1: Life of the capacitor on the main circuit board 2: Degradation of cooling fan speed

Note 1: The inverter estimates the capacitor life every 10 minutes. If you turn the inverter power on and off

repeatedly at intervals of less than 10 minutes, the capacitor life cannot be checked correctly.

Note 2: If you have specified "01" for the selection of cooling fan operation (function "b0092"), the inverter

determines the cooling fan speed to be normal while the cooling fan is stopped.

4.1.20 Program counter display (easy sequence function)

While the easy sequence function is operating, the inverter displays the program line number that is being executed. For details, refer to the “Programming Software EzSQ” manual.

4.1.21 Program number monitoring (easy sequence function)

When the program number monitoring function (d024) is selected, the inverter displays the program number of the downloaded easy sequence program. Note that you must describe a program number in the program you create. For details, refer to the “Programming Software EzSQ” manual.

4.1.22 User Monitors 0 to 2 (easy sequence function)

The user monitor function allows you to monitor the results of operations in an easy sequence program. For details, refer to the Programming Software EzSQ Instruction Manual.

4.1.23 Pulse counter monitor

Pulse counter monitor allows you to monitor the accumulated pulse of intelligent input terminals pulse counter 74 (PCNT).

4.1.24 Position command monitor (in absolute position control mode)

The user monitor function allows you to monitor the results of operations in an easy sequence program. For details, refer to the Programming Software EzSQ Instruction Manual.

4.1.25 Current position monitor (in absolute position control mode)

The current position monitor function allows you to monitor the current position in absolute position control mode. For details, see Section 4.3.12.

4.1.26 Trip Counter

When the trip counter function (d080) is selected, the inverter displays the number of times the inverter has tripped.

(Display)

0. to 9999. in units of 1 trip 1000 to 6553 in units of 10 trips

d022: Life-check monitoring

Related code

1 2

Life check

Normal

d023: Program counter

Related code

d024: Program number monitoring

Related code

d080: Trip Counter

Related code

d028: Pulse counter monitor

Related code

d029: Pulse counter monitor

Related code

d025: user monitor 0 d026: user monitor 1 d027: user monitor 2

Rel

ated code

d030: Position feedback monitor

Related code

Chapter 4 Explanation of Functions

4 - 6

4.1.27 Trip monitoring 1 to 6

When the trip monitoring function (d081 to d086) is selected, the inverter displays the trip history data. The last six protective trips the inverter made can be displayed. Select the trip monitoring 1 (d081) to display the data on the most recent trip.

(Display contents)

1) Factor of tripping (one of E01 to E79) (*1)

2) Output frequency at tripping (Hz)

3) Output current at tripping (A) (*2)

4) Main circuit DC voltage at tripping (V) (*3)

5) Cumulative inverter-running time until tripping (h)

6) Cumulative inverter power-on time until tripping (h) *1 See Section 5.1.1, "Protective functions." *2 When the inverter status is in stop mode as a trip history, monitored value can be zero. *3 When grounding fault is detected at power on, monitored value can be zero.

(Display by trip monitoring)

*2 If the inverter has not tripped before, the inverter displays .

4.1.28 Programming error monitoring

If an attempt is made to set the data conflicting with other data on the inverter, the inverter displays a warning. The PRG (program) lamp lights up while the warning is displayed (until the data is rewritten forcibly or corrected). For details on the programming error monitoring function, see Section 5.2. Warning Codes

4.1.29 DC voltage monitoring

When the DC voltage monitoring is selected, the inverter displays the DC voltage (across terminals P and N) of the inverter. While the inverter is operating, the monitored value changes as the actual DC voltage of the inverter changes.

(Display)

0.0 to 999.9 in steps of 0.1 V

4.1.30 BRD load factor monitoring

When the BRD load factor monitoring function (d103) is selected, the inverter displays the BRD load factor. If the BRD load factor exceeds the value set as the dynamic braking usage ratio (b090), the inverter will trip because of the braking resistor overload protection (error code "E06").

(Display)

0.0 to 100.0 in steps of 0.1%

4.1.31 Electronic thermal overload monitoring

When the electronic thermal overload monitoring function (d104) is selected, the inverter displays the electronic thermal overload. If the electronic thermal overload exceeds 100%, the inverter will trip because of the overload protection (error code "E05").

(Display)

0.0 to 100.0 in steps of 0.1%

d081: Trip monitoring 1 d082: Trip monitoring 2 d083: Trip monitoring 3 d084: Trip monitoring 4 d085: Trip monitoring 5 d086: Trip monitoring 6

Related code

1) Factor of tripping (*2)

2) Frequency at tripping

3) Current at tripping

4) Main circuit DC voltage at tripping

5) Cumulative running time

6) Cumulative power-on time

FUNC

d090: Programming error monitoring

Related code

d102: DC voltage monitoring

Related code

d103: BRD load factor monitoring b090: Dynamic braking usage ratio

Related code

d104: Electronic thermal overload

monitoring

Related code

Chapter 4 Explanation of Functions

4 - 7

4.2 Function Mode

4.2.1 Output frequency setting

The output frequency setting function allows you to set the inverter output frequency. You can set the inverter output frequency with this function (F001) only when you have specified "02" for the frequency source setting (A001). For other methods of frequency setting, see Section 4.2.4, "frequency source setting (A001)." (If the setting of function "A001" is other than "02", function "F001" operates as the frequency command monitoring function.) The frequency set with function "F001" is automatically set as the Multispeed frequency setting (A020). To set the second and third multispeed s, use the multispeed frequency setting, 2nd motor, function (A220) and multispeed frequency setting, 3rd motor, function (A320), or use function "F001" for the setting after turning on the SET and SET3 signals. For the setting using the SET and SET3 signals, assign the SET function (08) and SET3 function (17) to intelligent input terminals. If the set output frequency is used as the target data for the PID function, PID feedback data will be displayed in percent (%). ("100%" indicates the maximum frequency.)

Item Function code Range of data Description

Output frequency setting F001

Multispeed 0

A020/A220/

A320

0.0, start frequency to maximum frequency,

1st/2nd/3rd motors

(Hz)

The frequency set with F001 is equal to the setting of A020. The second control frequency set with F001 is equal to the setting of A220. The third control frequency set with F001 is equal to the setting of A320.

4.2.2 Keypad Run key routing

When you enter operation commands via the digital operator, the Keypad Run key routing function allows you to select the direction of motor operation. This function is ineffective when you use the control terminal block or remote operator to input operation commands.

Item Function code Data Description

00 Forward operation

Keypad Run key routing F004

01 Reverse operation

4.2.3 Rotational direction restriction

The rotational direction restriction function allows you to restrict the direction of motor operation. This function is effective regardless of the specification of operation command input device (e.g., control circuit block or digital operator). If an operation command to drive the motor in a restricted direction is input, the inverter (digital operator) will display .

Item Function code Data Description

00 Both forward and reverse operations are enabled. 01 Only forward operation is enabled.

Rotational direction restriction

b035

02 Only reverse operation is enabled.

F001: Output frequency setting A001: Frequency source setting A020/A220/A320:

Multispeed frequency setting, 1st/2nd/3rd motors

C001 to C008:

Terminal [1] to [8] functions

Related code

F004: Keypad Run key routing

b035: Rotational direction restriction

Related code

Chapter 4 Explanation of Functions

4 - 8

4.2.4 Frequency source setting

The frequency source setting function allows you to select the method to input the frequency-setting command.

Motor rotation direction is inverted when -10 to 0V is given as frequency command to 02-L terminals.

Item Function code Data Description

(00)

(Valid only when the OPE-SR is used) Use the control provided on the digital operator to set the frequency.

Input the frequency-setting command via a control circuit terminal (0-L, OI-L, or O2-L).

Use the digital operator (function "F001") or remote operator to set the frequency.

Input the frequency-setting command via an RS485 communication terminal.

Input the frequency-setting command from the board connected to optional port 1.

Input the frequency-setting command from the board connected to optional port 2.

Use the SJ-FB to input the frequency-setting command as a pulse train (see 4.2.21)

Use the SET-Freq command of the easy sequence function as the frequency-setting command.

Frequency source setting

A001

Use the operation result of the set frequency operation function as the frequency-setting command. (see 4.2.12)

4.2.5 Run command source setting

The run command source setting function allows you to select the method to input operation commands (to start and stop the motor). As the operation commands via control circuit terminals, turn the FW signal (for forward operation) or RV signal (for reverse operation) on and off to start and stop the motor, respectively. (Note that the factory setting assigns the FW signal to intelligent input terminal [8].) To switch each intelligent input terminal between a and b contacts, specify each terminal with function "C011" to "C019", and then perform input a/b (NO/NC) selection for each terminal. When using the digital operation for the inverter operation, specify the desired motor operation direction with function "F004", and use the RUN and STOP/RESET keys to start and stop the motor, respectively. If the start commands for both forward and reverse operations are input at the same time, the inverter will assume the input of a stop command.

Item Function code Data Description

Input the start and stop commands via control circuit terminals (FW and RV).

Input the start and stop commands from the digital or remote operator.

Input the start and stop commands via RS485 communication terminals.

04 Input the start and stop commands from option board 1.

Run command source setting

A002

05 Input the start and stop commands from option board 2. 00 a (NO) contact Terminal [FW]

active state

C019

C011 to C018

01 b (NC) contact

Note 1: If function "31" (forcible operation) or "51" (forcible-operation terminal) is assigned to an intelligent input

terminal, the settings made with functions "A001" and "A002" will be invalidated when the said intelligent input terminal is turned on and those methods to input frequency-setting and operation commands which are specified for the said terminal will be enabled.

Note 2: On the remote operator (SRW) being used to operate the inverter, pressing the REMT (remote) key enables

you to input both frequency-setting and operation commands from the remote operator.

Note3: When the DeviceNet option board (SJ-DN) is used, A002 is not needed to be changed from default because

the run command source is automatically set via DeviceNet. (In case it is changed, it is to be set as 01, 02 or

03.)

A001: Frequency source setting

Related code

A002: Run command source setting C001 to C008: Terminal [1] to [8] functions C019: Terminal [FW] active state F004: Keypad Run key routing

Related code

Chapter 4 Explanation of Functions

4 - 9

4.2.6 Stop mode selection

The stop mode selection function allows you to select one of two methods of stopping the motor when a stop command is input from the digital operator or via the control circuit terminal block. One is to decelerate the motor according to the specified deceleration time and then stop it; the other is to let the motor run freely until it stops. If a start command is input while the motor is in free-running status, the inverter will restart the motor according to the setting of the restart mode after FRS (b088). (See Section 4.2.47.)

Item Function code Data Description

00 Normal stopping (stopping after deceleration) Stop mode

selection

b091

01 Free-running until stopping 00 Starting with 0 Hz Restart mode after

FRS

b088

01 Starting with matching frequency Restart frequency threshold

b007 0.00 to 400.0(Hz)

Starting with 0 Hz if the frequency-matching result is

less than the set lower limit Retry wait time before motor restart

b003 0.3 to 100.(s)

Time to wait until the restart of the motor after

free-running ends

4.2.7 STOP key enable

When the control circuit terminal block is selected as the device to input operation commands, the STOP key enable function allows you to enable or disable the motor-stopping and trip reset functions of the STOP key of the digital operator. This function is effective only when the digital operator (02) is not specified for the run command source setting (A002) (see Section 4.2.5). If the digital operator (02) is specified for "A002", the motor-stopping and trip reset functions of the STOP key are enabled regardless of this setting (STOP key enable).

Function code Data Stop command with STOP key Trip reset command with STOP key

00 Enabled Enabled 01 Disabled Disabled

b087

02 Disabled Enabled

b091: Stop mode selection F003/F203/F303:

Deceleration (1) time setting,

1st/2nd/3rd motors b003: Retry wait time before motor restart b007: Restart frequency threshold b008: Restart mode after FRS

Related code

b087: STOP key enable

Related code

Chapter 4 Explanation of Functions

4 - 10

4.2.8 Acceleration/deceleration time setting

- Specify a longer time for slower acceleration or deceleration; specify a shorter time for quicker acceleration or deceleration.

- The time set with this function is the time to accelerate (or decelerate) the motor from 0 Hz to the maximum frequency (or vice versa).

- If you assign the LAD cancellation (LAC) function to an intelligent input terminal and turns on the terminal, the set acceleration/deceleration time will be ignored, and the output frequency will immediately follow the frequency-setting command.

- To switch the acceleration and deceleration time among the 1st, 2nd, and 3rd settings, assign function "08" (SET) and "17" (SET3) to intelligent input terminals (see Section 4.2.38). Use the SET and SET3 signals for switching.

- As the Accel/decel time input selection by P031, select one of the (1) input from the digital operation, (2) input from option board 1, (3) input from option board 2, and (4) input from the easy sequence program.

Item Function code Range of data Description Acceleration (1) time setting

F002/F202/

F302

0.01 to 3600.(s)

Set the length of time to accelerate the motor from 0

Hz to the maximum frequency. Deceleration (1) time setting

F003/F203/

F303

0.01 to 3600.(s)

Set the length of time to decelerate the motor from

the maximum frequency to 0 Hz.

00 Input from the digital operator (OPE) 01 Input from option board 1 (OP1) 02 Input from option board 1 (OP2)

Accel/decel time input selection

P031

03 Input from the easy sequence program (PRG)

Terminal function C001 to C008 46 LAD cancellation

The actual time to accelerate/decelerate the motor will be no less than the minimum acceleration/deceleration time that depends on the inertial effect (J) due to the mechanical system and motor torque. If you set a time shorter than the minimum acceleration/deceleration time, the inverter may trip because of overcurrent or overvoltage.

: Inertia effect (J) of the load converted to that of the motor shaft (kg-m2)

: Inertia effect (J) of the motor (kg-m2)

: Motor speed (rpm) Ts: Maximum acceleration torque driven by the inverter (N-m) T

: Maximum deceleration torque driven by the inverter (N-m)

: Required running torque (N-m)

F002/F202/F302: Acceleration (1) time setting,

1st/2nd/3rd motors

F003/F203/F303: Deceleration (1) time setting,

1st/2nd/3rd motors

A004/A204/A304: Maximum frequency setting,

1st/2nd/3rd motors P031: Accel/decel time input selection C001 to C008: Terminal [1] to [8] functions

Related code

Maximum frequency

004/A204/A304

F002/F202/F302 F003/F203/F303

Output frequency

Set output frequency

Actual

acceleration

time

Actual

deceleration

time

Acceleration time (ts)

Deceleration time (t

)

ts＝

(JL＋JM)×NM

9.55×(T

s－TL

)

tB＝

L＋JM

)×NM

9.55×(T

B+TL

)

Chapter 4 Explanation of Functions

4 - 11

4.2.9 Base frequency setting

(1) Base frequency and motor voltage

- With the base frequency setting and AVR voltage select functions, adjust the inverter outputs (frequency and voltage) to the motor ratings.

- The base frequency is the nominal frequency of the motor. Set a base frequency that meets the motor specification. Carefully note that setting the base frequency to less than 50 Hz may result in motor burnout.

- A special motor requires a base frequency of 60 Hz or more. Your inverter model may not be suitable for such a special motor, and one with a larger capacity may be required.

- Select the motor voltage that meets the motor specification. Selecting a motor voltage exceeding the motor specification may result in motor burnout.

- To switch the base frequency among the 1st, 2nd, and 3rd settings, assign function "08" (SET) and "17" (SET3) to intelligent input terminals (see Section 4.2.38). Use the SET and SET3 signals for switching.

Item Function code Range of data Description Base frequency setting

A003/A203/

A303

30. to maximum frequency, 1st/2nd/3rd motors (Hz)

200/215/220/230/240 Selectable on 200 V class inverter models

AVR voltage select A082

380/400/415/440/460/480 Selectable on 400 V class inverter models

(2) AVR function The AVR function maintains the correct voltage output to the motor, even when the voltage input to the inverter fluctuates. The output voltage maintained by this function is based on the voltage specified by the AVR voltage select. Use the AVR function select (A081) to enable or disable the AVR function.

Item Function code Data Description

00 The AVR function is always enabled. 01 The AVR function is always disabled.

AVR function select A081

02 The AVR function is disabled at deceleration. (*1)

*1 Disabling the AVR function at motor deceleration increases the energy loss on the decelerated motor and decreases the energy regenerated on the inverter, which results in a shorter deceleration time.

4.2.10 Maximum frequency setting

The maximum frequency setting function allows you to set the maximum frequency of the motor driven by the inverter. The maximum frequency set here corresponds to the maximum level of each external analog input (See Section 4.2.12) (for example, 10 V of the input of 0 to 10 V). To switch the maximum frequency among the 1st, 2nd, and 3rd settings, assign function "08" (SET) and "17" (SET3) to intelligent input terminals. Use the SET and SET3 signals for switching. The inverter output voltage with the frequency ranging from the base frequency to the maximum frequency is that selected by the AVR voltage select function (A082).

Item Function code Range of data Description Maximum frequency setting

A004/A204/

A304

30. to 400. (Hz) The maximum output frequency is set.

Base frequency

Output frequency

(Hz)

A003/A203/A303: Base frequency setting,

1st/2nd/3rd motors A081: AVR function select A082: AVR volta

e select

Related code

Output voltage

AVR voltage select

A004/A204/A304: Maximum frequency

setting, 1st/2nd/3rd motors

Related code

Output voltage

AVR voltage select (100%)

Base frequency

Maximum frequency

(100%)

Chapter 4 Explanation of Functions

4 - 12

4.2.11 External analog input setting (O, OI, and O2)

The inverter has the following three types of external analog input terminals: O-L terminal: 0 to 10 V OI-L terminal: 4 to 20 mA O2-L terminal: -10 to 10 V

The table below lists the settings of the external analog input terminals.

Item

Function

code

Data Description

Switching between the O and OI terminals with the AT terminal

Turning on the AT terminal enables the OI-L terminal. Turning on the AT terminal enables the O-L terminal.

Switching between the O and O2 terminals with the AT terminal

Turning on the AT terminal enables the O2-L terminal. Turning on the AT terminal enables the O-L terminal.

(02)

(Valid only when the OPE-SR is used) Switching between the O terminal and the control with the AT terminal

Turning on the AT terminal enables the pot on

OPE-SR terminal.

Turning on the AT terminal enables the O-L terminal.

(03)

(Valid only when the OPE-SR is used) Switching between the OI terminal and the control with the AT terminal

Turning on the AT terminal enables the pot on

OPE-SR terminal.

Turning on the AT terminal enables the OI-L terminal.

[AT] selection

A005

(04)

(Valid only when the OPE-SR is used) Switching between the O2 terminal and the control with the AT terminal

Turning on the AT terminal enables the pot on

OPE-SR terminal.

Turning on the AT terminal enables the O2-L terminal.

00 Using the O2 terminal independently

Using the O2 terminal for auxiliary frequency command (nonreversible) in addition to the O and OI terminals

Using the O2 terminal for auxiliary frequency command (reversible) in addition to the O and OI terminals

[O2] selection

A006

03 Disabling the O2 terminal

Note that whether frequency commands are input to the O2-L terminal and whether the motor operation is reversible depend on the combination of settings of functions "A005" and "A006" and whether function "16" (AT) is assigned to an intelligent input terminal as shown in the table below. When the motor operation is reversible, the inverter operates the motor in a reverse direction if the sum of the frequencies specified by the main frequency and auxiliary frequency commands is less than 0 (even when the forward operation [FW] terminal is on). Even when no wire is connected to the 02 terminal, reverse operation of the motor may occur and prolong the acceleration time if the output voltage fluctuates near 0 V.

A006 A005

terminal

Main frequency command

Whether to input an auxiliary

frequency command

(via the O2-L terminal)

Reversible/

nonreversible

OFF O-L terminal No input

ON OI-L terminal No input

OFF O-L terminal No input

Nonreversible

00,03

ON O2-L terminal No input Reversible

OFF O-L terminal Input 00

(Example 1)

ON OI-L terminal Input

OFF O-L terminal Input

Nonreversible

ON O2-L terminal No input Reversible

OFF O-L terminal Input 00

(Example 2)

ON OI-L terminal Input

OFF O-L terminal Input

When the AT

function is assigned to an intelligent input

terminal

ON O2-L terminal No input

Reversible

00 －－ O2-L terminal No input Reversible

01 －－

Addition of signals on O-L and

OI-L terminals

Input Nonreversible

02 －－

Addition of signals on O-L and

OI-L terminals

Input Reversible

When the AT

function is not

assigned to any

intelligent input

terminal

03 －－

Addition of signals on O-L and

OI-L terminals

No input Nonreversible

A005: [AT] selection A006: [O2] selection C001 to C008: Terminal [1] to [8] functions

Related code

Chapter 4 Explanation of Functions

4 - 13

4.2.12 Frequency operation function

The frequency operation function allows you to use the result of an arithmetic operation on two frequency commands as the actual frequency command or PID feedback data. To use the operation result as the actual frequency command, specify "10" for the frequency source setting (A001). To use the operation result as the PID feedback data, specify "10" for the PV source setting (A076).

Item Function code Data Description

00 Digital operator (A020/A220/A320)

(01)

Control on the digital operator

(Valid only when the OPE-SR is connected) 02 Input via the O terminal 03 Input via the OI terminal 04 Input via the RS485 terminal 05 Input from option board 1 06 Input from option board 2

Operation-target frequency selection 1 and 2

A141/A142

07 Input of pulse train 00 Addition: (A141) + (A142) 01 Subtraction: (A141) - (A142)

Operator selection for frequency operation

A143

02 Multiplication: (A141) x (A142)

Frequency source setting A001 10 Output of operation result PV source setting A076 10 Output of operation result

Note 1: The [1] (up) and [2] (down) keys of the digital operator are ineffective when the frequency

operation function is enabled. Also, the frequency displayed by the output frequency monitoring (d001), Scaled output frequency monitoring (d007), or output frequency setting (F001) cannot be changed with key operations.

Note 2: The settings of "A141" and "A142" can be the same.

fOI +fO2

fO + fO2

fO2

fO + fO2 fOI +fO2

(Example 1) When the motor operation is not reversible

Main frequency command via the OI or O terminal

Auxiliary frequency command via the O2 terminal

Actual frequency command

Forward

operation

Forward

operation

Reverse

operation

(Example 1) When the motor operation is reversible

Main frequency command via the OI or O terminal

Auxiliary frequency command via the O2 terminal

Actual frequency command

A141: Operation-target frequency selection 1 A142: Operation-target frequency selection 2 A143: Operator selection A001: Frequency source setting A076: PV source setting

Related code

Chapter 4 Explanation of Functions

4 - 14

4.2.13 Frequency addition function

The frequency addition function allows you to add or subtract the value specified as the frequency to be added (A145) to or from the frequency value of a selected frequency command. To use this function, assign function "50" (ADD) to an intelligent input terminal. When the ADD terminal is turned on, the inverter performs the addition or subtraction of the value specified as "A145".

Item Function code Data or range of data Description

Frequency to be added A145 0.00 to 400.00(Hz) Setting of the frequency to be added

00 (Frequency command) + (A145) Selection of the sign of the

frequency to be added

A146

01 (Frequency command) - (A145)

Terminal function C001 to C008 50

ADD selection of the trigger for adding the frequency (A145)

Note 1: If the sign of the frequency value in the frequency command changes from minus (-) to plus (+), or

vice versa, as the result of frequency addition, the motor operation direction will be inverted.

Note 2: When the PID function is used, the frequency addition function can apply to PID target data. (In

such cases, the data display by function "A145" is in percentage [in steps of 0.01%]).

4.2.14 Start/end frequency setting for external analog input

The start/end frequency setting function allows you to set the inverter output frequency in relation to the external analog inputs (frequency commands) via the following terminals: O-L terminal: 0 to 10 V OI-L terminal: 4 to 20 mA O2-L terminal: -10 to +10 V

(1) Start/end frequency settings for the O-L and OI-L terminals

Item Function code Range of data Description [O]/[OI]-[L] input active range start frequency

A011/A101

0.00 to

400.0(Hz)

Setting of the start frequency

[O]/[OI]-[L] input active range end frequency

A012/A102

0.00 to

400.0(Hz)

Setting of the end frequency

[O]/[OI]-[L] input active range start voltage

A013/A103 0. to 100.(%)

Setting of the rate of the start frequency to the

external frequency command (0 to 10 V/0 to 20 mA) [O]/[OI]-[L] input active range end voltage

A014/A104 0. to 100.(%)

Setting of the rate of the end frequency to the

external frequency command (0 to 10 V/0 to 20 mA)

Externally input start frequency

The frequency set as "A011" or "A101" is output as

the output frequency while the start-frequency rate is

0% to the value set as "A013" or "A103".

[O]/[OI]-[L] input start frequency enable

A015/A105

0 Hz

0 Hz is output as the output frequency while the

start-frequency rate is 0% to the value set as "A013"

or "A103".

If the voltage of the signal to be input to the O-L terminal is 0 to 5 V, specify 50% for "A014".

(Example 1) A015/A105: 00 (Example 2) A015/A105: 01

A145: Frequency to be added A146: Sign of the frequency to be added C001 to C008: Terminal [1] to [8]functions

Related code

A011: [O]-[L] input active range start frequency A012: [O]-[L] input active range end frequency A013: [O]-[L] input active range start voltage A014: [O]-[L] input active range end voltage A015: [O]-[L] input start frequency enable A101: [OI]-[L] input active range start frequency A102: [OI]-[L] input active range end frequency

A103: [OI]-[L] input active range start current A104: [OI]-[L] input active range end current A105: [OI]-[L] input start frequency enable A111: [O2]-[L] input active range start frequency A112: [O2]-[L] input active range end frequency A113: [O2]-[L] input active range start voltage A114: [O2]-[L] input active range end voltage

Related code

A012/A102

A011/A101

0 A013/A103 A014/A104 100%

(0 V/0 mA) (10 V/20 mA)

(O/OI)

Maximum frequency

Analog input

Out put frequency in the range from 0% to A013/A103 is A011/A101

A012/A102

A011/A101

0 A013/A103 A014/A104 100%

(0 V/0 mA) (10 V/20 mA)

(O/OI)

Maximum frequency

Analog input

Out put frequency in the range from 0% to A013/A103 is 0Hz

Chapter 4 Explanation of Functions

4 - 15

(2) Start/end frequency settings for the O2-L terminal

Item Function code Range of data Description Remarks 02 start frequency A111 -400. to 400.(Hz) Setting of the start frequency 02 end frequency A112 -400. to 400.(Hz) Setting of the end frequency

02 start-frequency rate

A113 -100. to 100.(%)

Setting of the rate of the start frequency to the external frequency command (-10 to +10 V) (*1)

02 end-frequency rate

A114 -100. to 100.(%)

Setting of the rate of the end frequency to the external frequency command (-10 to +10 V) (*1)

(Example 3)

*1 The frequency rates correspond to the voltages

(-10 to +10 V) of the external frequency command as follows:

-10 to 0 V: -100% to 0% 0 to +10 V: 0% to 100% For example, if the voltage of the signal to be input to the O2-L terminal is -5 to +5 V, specify 50% for "A114".

4.2.15 External analog input (O/OI/O2) filter setting

The external analog input filter setting function allows you to set the input-voltage/input-current sampling time to be applied when frequency commands are input as external analog signals. You can use this filter function effectively for removing noise from the frequency-setting circuit signal. If the noise disables the stable operation of the inverter, increase the setting. Setting a larger value makes the inverter response slower. The filtering constant is "set value (1 to 30) x 2 ms." When the setting is "31" (factory setting), a hysteresis of ±0.1 Hz is added to the filtering constant (500 ms).

Item Function code Range of data Description

External frequency filter time const.

A016 1. to 30. or 31.

Setting of 1. to 30.: "Set value x 2" ms filter Setting of 31.: 500 ms filter (fixed) with hysteresis of ±0.1 Hz

4.2.16 V/f gain setting

The V/f gain setting function allows you to change the inverter output voltage by specifying the rate of the output voltage to the voltage (100%) selected with the AVR voltage select function (A082). If the motor operation is cranky, try to increase the gain setting.

Item Function code Range of data Description

V/f gain setting A045 20. to 100. (%) Setting of the rate of reducing the output voltage

(Example 3)

A111

A114

A113

A112

(-10V)

-100%

(+10V)

100%

Maximum frequency for forward operation

Analog input (O2)

Maximum frequency for reverse operation

A045: V/f gain setting A082: AVR voltage select

Related code

A045

AVR voltage select (100%)

Base frequency

Maximum frequency

A016: External frequency filter time const.

Related code

Chapter 4 Explanation of Functions

4 - 16

4.2.17 V/F characteristic curve selection

The V/F characteristic curve selection function allows you to set the output voltage/output frequency (V/f) characteristic. To switch the V/F characteristic curve selection among the 1st, 2nd, and 3rd settings, assign function "08" (SET) and "17" (SET3) to intelligent input terminals. Use the SET and SET3 signals for switching.

Function code Data V/f characteristic Remarks

00 Constant torque characteristic (VC)

Reduced-torque characteristic (1.7th power of VP)

02 Free V/f characteristic Available only for A044 and A244

Sensorless vector control (SLV) Available only for A044 and A244 (See Section

4.2.96.)

0 Hz-range sensorless vector control

Available only for A044 and A244 (See Section

4.2.97.)

A044/A244/

A344

05 Vector control with sensor (V2) Available only for A044

(1) Constant torque characteristic (VC) With this control system set, the output voltage is in proportion to the output frequency within the range from 0 Hz to the base frequency. Within the output frequency range over the base frequency up to the maximum frequency, the output voltage is constant, regardless of the change in the output frequency.

(2) Reduced-torque characteristic (1.7th power of VP) This control system is suited when the inverter is used with equipment (e.g., fan or pump) that does not require a large torque at a low speed. Since this control system reduces the output voltage at low frequencies, you can use it to increase the efficiency of equipment operation and reduce the noise and vibrations generated from the equipment. The V/f characteristic curve for this control system is shown below.

Period : While the output frequency increases from 0 Hz to the 10% of the base frequency, the

output voltage follows the constant torque characteristic.

(Example) If the base frequency is 60 Hz, the constant torque characteristic is maintained

within the output frequency range of 0 to 60 Hz.

Period : While the output frequency increases from the 10% of base frequency to the base

frequency, the output voltage follows the reduced-torque characteristic. In other words, the output voltage increases according to the 1.7th power of the output frequency.

Period : While the output frequency increases from the base frequency to the maximum frequency,

the output voltage is constant.

A044/A244/A344: V/F characteristic curve selection, 1st/2nd/3rd motors b100/b102/b104/b106/b108/b110/b112: Free-setting V/f frequency (1) (2) (3) (4) (5) (6) (7) b101/b103/b105/b107/b109/b111/b113: Free-setting V/f voltage (1) (2) (3) (4) (5) (6) (7)

Related code

Output voltage (100%)

Base frequency

Maximum frequency

Output frequency (Hz)

1.7

Output voltage (100%)

Base frequency

Maximum frequency

Output frequency (Hz)

10% of base frequency

Chapter 4 Explanation of Functions

4 - 17

(3) Free V/f characteristic setting The free V/f characteristic setting function allows you to set an arbitrary V/f characteristic by specifying the voltages and frequencies (b100 to b113) for the seven points on the V/f characteristic curve. The free V/f frequencies (1 to 7) set by this function must always be in the collating sequence of "1 ≤ 2 ≤ 3 ≤ 4 ≤ 5 ≤ 6 ≤ 7". Since all free V/f frequencies are set to 0 Hz as default (factory setting), specify their arbitrary values (begin setting with free-setting V/f frequency (7)). (The inverter cannot operate with the free V/f characteristic in the factory setting.) Enabling the free V/f characteristic setting function disables the torque boost selection (A041/A241), base frequency setting (A003/A203/A303), and maximum frequency setting (A004/A204/A304). (The inverter assumes the value of free-setting V/f frequency (7) as the maximum frequency.)

Item Function code Data Description Free-setting V/f frequency (7) b112 0.to 400.(Hz) Free-setting V/f frequency (6) b110 0. to free-setting V/f frequency (7) (Hz) Free-setting V/f frequency (5) b108 0. to free-setting V/f frequency (6) (Hz) Free-setting V/f frequency (4) b106 0. to free-setting V/f frequency (5) (Hz) Free-setting V/f frequency (3) b104 0. to free-setting V/f frequency (4) (Hz) Free-setting V/f frequency (2) b102 0. to free-setting V/f frequency (3) (Hz) Free-setting V/f frequency (1) b100 0. to free-setting V/f frequency (2) (Hz)

Setting of the output

frequency at each

breakpoint of the V/f

characteristic curve

Free-setting V/f voltage (7) b113 Free-setting V/f voltage (6) b111 Free-setting V/f voltage (5) b109 Free-setting V/f voltage (4) b107 Free-setting V/f voltage (3) b105 Free-setting V/f voltage (2) b103 Free-setting V/f voltage (1) b101

0.0 to 800.0(V)

Setting of the output

voltage at each

breakpoint of the V/f

characteristic curve (*1)

(Example)

*1 Even if 800 V is set as a free-setting V/f voltage (1 to 7), the inverter output voltage cannot exceed the

inverter input voltage or that specified by the AVR voltage select.

Carefully note that selecting an inappropriate control system (V/f characteristic) may result in

overcurrent during motor acceleration or deceleration or vibration of the motor or other machine driven by the inverter.

f1 f2 f3 f4 f5 f6 f7

V2,V3

Output voltage (V)

Output frequency (Hz)

0 f6 f7

Voltage that can be output by the inverter or that was specified by the AVR voltage select

Output frequency (Hz)

Output voltage (V)

Chapter 4 Explanation of Functions

4 - 18

4.2.18 Torque boost setting

The torque boost setting function allows you to compensate for the voltage drop due to wiring and the primary resistance of the motor so as to improve the motor torque at low speeds. When you select automatic torque boost by the torque boost selection (A041/A241), adjust the settings of the motor capacity selection (H003/H203) and motor pole selection (H004/H204) based on the motor to be driven.

Item Function code Data or range of data Description

00 Manual torque boost

Torque boost selection A041/A241

01 Automatic torque boost

Manual torque boost value A042/A242/A342 0.0 to 20.0(%)

Setting of the rate of the boost to

the output voltage (100%) Manual torque boost frequency adjustment

A043/A243/A343 0.0 to 50.0(%)

Setting of the rate of the frequency

at breakpoint to the base frequency Motor capacity H003/H203 0.20 to 75.0(kW) Selection of the motor capacity

Motor poles setting H004/H204 2, 4, 6, 8, or 10 (poles)

Selection of the number of poles of

the motor Voltage compensation gain setting for automatic torque boost

A046/A246 0. to 255.

See Item (2), "Automatic torque

boost."

Slippage compensation gain setting for automatic torque boost

A047/A247 0. to 255.

See Item (2), "Automatic torque

boost."

(1) Automatic torque boost The inverter outputs the voltage according to the settings of the manual torque boost (A042/A242/A342) and manual torque boost frequency adjustment (A043/A243/A343). Use the manual torque boost value (A042/A242/A342) to specify the rate of the boost to the voltage (100%) set by the AVR voltage select. The set rate of voltage corresponds to the boost voltage that is output when the output frequency is 0 Hz. When increasing the value of the manual torque boost value, be careful to prevent motor over-excitation. Over-excitation may result in motor burnout. Use the manual torque boost frequency adjustment (A043/A243/A343) to specify the rate of the frequency at each breakpoint to the base frequency (100%). To switch the settings among the 1st, 2nd, and 3rd settings ("A041 to A043", "A241 to A243", and "A342 and A343"), assign function "08" (SET) and "17" (SET3) to intelligent input terminals. Use the SET and SET3 signals for switching.

A041/A241: Torque boost selection, 1st/2nd

motors

A042/A242/A342: Manual torque boost value,

1st/2nd3rd motors

A043/A243/A343: Manual torque boost

frequency adjustment, 1st/2nd/3rd

motors H003/H203: Motor capacity, 1st/2nd motors H004/H204: Motor poles setting, 1st/2nd motors

Related code

A042/A242/A342

A043/A243/A343

100

Output voltage (%)

Base frequency (100%)

Output frequency

Chapter 4 Explanation of Functions

4 - 19

(2) Automatic torque boost When automatic torque boost (data "01") is selected by the torque boost selection (A041/A241), the inverter automatically adjusts the output frequency and voltage according to the load on the motor. (During actual operation, the automatic torque boost is usually combined with the manual torque boost.) When you select the automatic torque boost, adjust the settings of the motor capacity selection (H003/H203) and motor pole selection (H004/H204) according to the motor to be driven. If the inverter trips due to overcurrent during motor deceleration, set the AVR function select (A081) to always enable the AVR function (data "00"). If you cannot obtain the desired operation characteristic by using the automatic torque boost, make the following adjustments:

Symptom Adjustment method Adjustment item

(1) Increase the voltage setting for manual torque boost step by step.

A042/A242

(2) Increase the slippage compensation gain for automatic torque boost step by step.

A047/A247

(3) Increase the voltage compensation gain for automatic torque boost step by step.

A046/A246

Motor torque is insufficient at low speed. (The motor does not rotate at low speed.)

(4) Reduce the carrier frequency setting. b083 The motor speed falls when a load is applied to the motor.

Increase the slippage compensation gain for the

automatic torque boost step by step.

A047/A247

The motor speed increases when a load is applied to the motor.

Reduce the slippage compensation gain for the

automatic torque boost step by step.

A047/A247

(1) Reduce the voltage compensation gain for the

automatic torque boost step by step.

A046/A246

(2) Reduce the slippage compensation gain for the

automatic torque boost step by step.

A047/A247

The inverter trips due to overcurrent when a load is applied to the motor.

(3) Reduce the voltage setting for the manual torque

boost step by step.

A042/A242

This function cannot be selection for 3rd moter setting. Manual torque boost valid.

Chapter 4 Explanation of Functions

4 - 20

4.2.19 DC braking (DB) setting

The DC braking function allows you to apply DC braking to the motor according to the load on the motor. You can control DC braking in two ways: the external control through signal input to intelligent input terminals and the internal control to be performed automatically when the motor is started and stopped. Note that the motor cannot be stopped by DC braking if the load on the motor produces a large moment of inertia.

Item Function code Data or range of data Description

00 Internal DC braking is disabled. 01 Internal DC braking is enabled.

DC braking enable A051

Internal DC braking is enabled. (The braking operates only with the set braking frequency.)

DC braking frequency setting

A052 0.00 to 60.00 (Hz)

With internal DC braking enabled, DC braking is started when the output frequency reaches the set braking frequency.

DC braking wait time

A053 0.0 to 5.0 (s)

The DC braking wait time specifies the delay in starting DC braking after the set braking time has

elapsed or the DB terminal has been turned on. DC braking force during deceleration/ DC braking force for starting

A054/A057 0. to 70. (%)

"0" specifies the smallest force (zero current);

"100" specifies the largest force (rated current).

DC braking time for deceleration

A055 0.0 to 60.0 (s)

This setting is valid for the external DC braking in

edge mode or for the internal DC braking.

00 Edge mode (See examples 1-a to 6-a.)

DC braking/edge or level detection for [DB] input

A056

01 Level mode (See examples 1-b to 6-b.)

DC braking time for starting

A058 0.0 to 60.0 (s)

This setting is valid for the internal DC braking.

DC braking is started when the motor-start

command is input. DC braking carrier frequency setting

A059 0.5 to 12 (kHz) Unit: kHz

(1) Carrier frequency for DC braking Use the DC braking carrier frequency setting (A059) to specify the carrier frequency for DC braking.

But the raking power reduced is reduced when 3kHz are set as shown below. For detailed decreasing ratio, "DC braking limiter" is to be referred.

DC braking force limiter

A051: DC braking enable A052: DC braking frequency setting A053: DC braking wait time A054: DC braking force during deceleration A055: DC braking time for deceleration A056: DC braking/edge or level detection for

[DB] input A057: DC braking force for starting A058: DC braking time for starting A059: DC braking carrier frequency setting C001 to C008: Terminal [1] to [8] functions

Related code

Maximum braking force (%)

DC braking carrier frequency (kHz)

100

70 60 50

40 30 20 10

2 13 11 9 7 3 5

(58) (46) (34)

(22)

(10)

Chapter 4 Explanation of Functions

4 - 21

(2) External DC braking Assign function "07" (DB) to terminal function (C001 to C008). Turn the DB terminal on and off to control the direct braking, regardless of the setting of DC braking enable (A051). Adjust the braking force by adjusting the DC braking force setting (A054). When you set the DC braking wait time (A053), the inverter output will be shut off for the set period of delay, and the motor will run freely during the period. DC braking will be restarted after the delay. When setting the DC braking time with function "A055" or for the DC braking operation via the DB terminal, determine the length of time in consideration of the heat generation on the motor. Select the braking mode by the DC braking/edge or level detection for [DB] input (A056), and then make any other necessary settings suitable for your system.

(a) Edge mode (A056: 00) (b) Level mode (A056: 01)

(Example 1-a)

(Example 1-b)

(Example 2-a)

(Example 2-b)

(Example 3-a)

(Example 3-b)

A055

A053 A055

A053

Free running

Output frequency

Chapter 4 Explanation of Functions

4 - 22

(3) Internal DC braking (A051: 01) You can apply DC braking to the motor even without entering braking signals via the DB terminal when the inverter starts and stops. To use the internal DC braking function, specify "01" for the DC braking enable (A051). Use function "A057" to set the DC braking force for starting, and use function "A058" to specify the DC braking time for starting, regardless of the braking mode selection (edge or level mode). (See examples 4-a and 4-b.) Set the braking force for periods other than starting by using the DC braking force setting (A054). Set the output frequency at which to start DC braking by using the DC braking frequency setting (A052). When you set the DC braking wait time (A053), the inverter output will be shut off when the output frequency reaches the setting of "A052" after the operation command (FW signal) is turned off, and the motor will run freely for the delay time set by "A053". DC braking will be started after the delay (A053). The internal DC braking operation to be performed when the operation command is switched from the stop command to the start command varies depending on the braking mode (edge or level mode). Edge mode: The DC braking time setting (A055) is given priority over operation commands, and the

inverter performs DC braking according to the setting of "A055". When the output frequency reaches the setting of "A052" the inverter performs DC braking for the time set for "A055". Even if the stop command is input during DC braking, DC braking continues until the time set for "A055" elapses. (See examples 5-a and 6-a.)

Level mode: Operation commands are given priority over the DC braking time setting. The inverter

follows operation commands, regardless of the DC braking time setting (A055). If the start command is input during DC braking, the inverter starts the normal motor operation, regardless of the DC braking time setting (A055). (See examples 5-b and 6-b.)

(a) Edge mode (b) Level mode

i) (Example 4-a) when the start command is input:

i) (Example 4-b) when the start command is input:

ii) (Example 5-a) when the stop command is input:

ii) (Example 5-b) when the stop command is input:

ii) (Example 6-a) when the stop command is input:

ii) (Example 6-b) when the stop command is input:

A053 A055

A052

A053 A055

A052

A058

A057

A058

A057

A052

A055

A052

A055

Free running

Output frequency

Chapter 4 Explanation of Functions

4 - 23

(4) Internal DC braking (triggered only when the output frequency reaches a set frequency) (A051: 02) You can also operate the internal DC braking function so that DC braking is applied to the motor when the inverter output frequency falls to the DC braking frequency setting (A052) or below. When the internal DC braking function is used in this mode, the external DC braking described in Item (2) and the internal DC braking described in Item (3) cannot be used. In this mode, DC braking operates only when the operation command signal is on (i.e., the start command is input). The inverter starts DC braking when both the frequency set by the frequency command and the current output frequency fall to the DC braking frequency setting (A052) or below. (See example 7-a.) When the frequency set by the frequency command increases to the "setting of 'A052' + 2 Hz" or more, the inverter stops DC braking and restores its normal output. (See example 7-a.) If the frequency set by the frequency command is 0 Hz when the start command is input via an analog input terminal, the inverter will start operation with DC braking because both the frequency set by the frequency command and current output frequency are 0 Hz. (See example 7-b.) If the operation command signal (start command) is turned on when the frequency command specifies a frequency larger than the DC braking frequency (A052), the inverter will start operation with the normal output.

(Example 7-a) (Example 7-b)

How the inverter returns to the normal output varies depending on the setting of the DC braking/edge or level detection for [DB] input (A054).

(a) Edge mode (b) Level mode

A052

ON ON

Operation command

Frequency command

Output frequency

Operation command

Frequency command

Output frequency

A052

A053

A052

Operation command

Frequency command

Output frequency

Operation command

Frequency command

Output frequency

Chapter 4 Explanation of Functions

4 - 24

4.2.20 Frequency upper limit setting

The frequency upper limit setting function allows you to place upper and lower limits on the inverter output frequency. This function restricts the input of frequency commands that specify any frequencies outside the upper and lower limits. Always set the upper limit before setting the lower limit. Also, be sure to keep the frequency upper limit (A061/A261) larger than the frequency lower limit (A062/A262). Be sure that upper limit/lower limit does not exceed Maximum frequency (A004/A204/A304). Be sure to set output frequency (F001) and multiple speed 1 to 15 (A021 to A035) in between uppelimit and lower limit. If 0 Hz is set for the frequency upper and lower limits, they will not operate. The frequency limit setting function is disabled when the 3rd control system is selected.

Item Function code Range of data Description

Frequency upper limit setting

A061/A261

0.00 or a frequency more than the frequency lower limit setting up to the maximum frequency (Hz)

Setting of the upper limit of the output frequency

Frequency lower limit setting

A062/A262

0.00 or a frequency not less than the starting frequency up to the frequency upper limit setting (Hz)

Setting of the lower limit of the output frequency

(1) When the O-L or OI-L terminal is used:

(2) When the O2-L terminal is used:

If the frequency lower limit is used with the frequency command input via the O2-L terminal, the motor speed with 0 V input will be fixed to the frequency setting of the frequency lower limit (A062) for forward rotation or the frequency setting of the frequency lower limit (A062) for reverse rotation as shown below.

(a) When operation commands are input via the control circuit terminal block (A002: 01)

Terminal Motor speed with 0 V input via O2 terminal FW(ON) Frequency setting by A062 for forward rotation RV(ON) Frequency setting by A062 for reverse rotation

(b) When operation commands are input from the digital operator (A002: 02)

F004 Motor speed with 0 V input via O2 terminal 00 Frequency setting by A062 for forward rotation 01 Frequency setting by A062 for reverse rotation

A061/A261: /Frequency upper limit setting,

1st/2nd motors

A062/A262: Frequency lower limit setting,

1st/2nd motors

Related code

A062

A061

Output frequency (Hz)

Frequency command

0 V 4 mA

10 V 20 mA

Maximum frequency A004/A204

If 0 V or 4 mA is input as the frequency command when a frequency lower limit has been set for the frequency lower limit setting (A062), the inverter will output the set frequency.

A062

A061

A004

A204

A062

A061

10 V

-10 V

Maximum frequency A004/A204

Reverse rotation Forward rotation

Maximum frequency

Chapter 4 Explanation of Functions

4 - 25

4.2.21 Jump frequency function

The jump frequency function allows you to operate the inverter so that it avoids the resonant frequency of the machine driven by the same. Since the inverter avoids the motor operation with a constant output frequency within the specified range of the frequencies to jump when the jump frequency function is enabled, you cannot set any inverter output frequency within the specified range of the frequencies to jump. Note that, while the inverter is accelerating or decelerating the motor, the inverter output frequency changes continuously according to the set acceleration/deceleration time. You can set up to three frequencies to jump.

Item Function code Range of data Description Jump (center) frequency settings, 1st/2nd/3rd settings

A063/A065/ A067

0.00 to 400.0 (Hz) (*1)

Setting of the center frequency of the

frequency range to be jumped Jump (hysteresis) frequency width settings, 1st/2nd/3rd settings

A064/A066/ A068

0.00 to 10.00(Hz)

Setting of the half bandwidth of the

frequency range to be jumped

*1 Setting of 0 Hz disables the jump frequency function.

4.2.22 Acceleration stop frequency setting

The acceleration stop frequency setting function allows you to make the inverter wait, upon starting the motor, until the slipping of the motor becomes less when the load on the motor causes a large moment of inertia. Use this function if the inverter has tripped because of overcurrent when starting the motor. This function can operate with every acceleration pattern, regardless of the setting of the acceleration curve selection (A097).

Item Function code Range of data Description Acceleration stop frequency setting

A069 0.00 to 400.0(Hz)

Setting of the frequency at which to

stop acceleration Acceleration stop time frequency setting

A070 0.0 to 60.0(s)

Setting of the length of time to stop

acceleration

A063: Jump (center) frequency setting 1 A064: Jump (hysteresis) frequency width setting 1 A065: Jump (center) frequency setting 2 A066: Jump (hysteresis) frequency width setting 2 A067: Jump (center) frequency setting 3 A068: Jump (hysteresis) frequency width setting 3

Related code

A063

A065

A067

A064

A066

A068

Output frequency

Frequency command

A069: Acceleration stop frequency setting A070: Acceleration stop time frequency setting

Related code

A070

A069

Output frequency

Frequency command

Chapter 4 Explanation of Functions

4 - 26

4.2.23 PID function

The PID function allows you to use the inverter for the process control on fluid flow, airflow, and pressure. To enable this function, specify "01 lenabled" or "02 inverted data output enabled" for function "A071". You can disable the PID function with an external signal during the PID operation. For this purpose, assign function "23" (PID terminal: disabling PID operation) to an intelligent input terminal. Turning the PID terminal on disables the PID function and makes the inverter perform the normal output. With the PID function, you can limit the PID output according to various conditions. Refer to maximum frequency (4.2.10), frequency limiter (4.2.20), PID rariation range (A078).

Item Function code Data or range of data Description

00 Disabling the PID operation 01 Enabling the PID operation

PID Function Enable A071

02 Enabling inverted-data output PID proportional gain A072 0.2 to 5.0 Proportional gain PID integral time constant A073 0.0 to 3600.(s) Integrated gain PID derivative gain A074 0.00 to 100.0(s) Derivative gain

PV scale conversion A075 0.01 to 99.99

Scale for unit conversion of PID feedback

data 00 OI-L: 4 to 20 mA 01 O-L: 0 to 10 V 02 RS485 communication 03 Frequency command as pulse train

PV source setting A076

10 Operation result (*1) 00 Disabling the inverted output

Output of inverted PID deviation

A077

Enabling the inverted output (deviation

polarity inverted)

PID variation range A078 0.0 to 100.0(%)

Range of PID data variation with

reference to the target value 00 Invalid 01 O-L : 0-10V 02 OI-L : 4-20mA

PID feed forward selection A079

03 O2-L : -10-10V

PID deviation level setting C044 0.0 to 100.0(%) Level to determine the OD signal output Off level of feedback comparison signal

C052 0.0 to 100.0(%) Level to determine the FBV signal output

Onlevel of feedback comparison signal

C053 0.0 to 100.0(%) Level to determine the FBV signal output

(*1) refer 4.2.12 Frequency operation function (1) Basic configuration of PID control

Kp: Proportional gain Ti: Integral time Td: Derivative time s: Operator ε: Deviation

＝

Kp（1+ +Td･S）

Ti･S

Target value 0 to 10 V 4 to 20 mA

Deviation (ε)

Feedback 0 to 10 V 4 to 20 mA

Operation quantity

Normal control by the inverter

Transducer

Sensor

+ +

Feed Forward invalid

0-10V 0-20mA

-10-10V

A001: Frequency source setting A005: [AT] selection A006: [O2] selection A071: PID Function Enable A072: PID proportional gain A073: PID integral time constant A074: PID derivative gain A075: PV scale conversion A076: PV source setting A077: Output of inverted PID deviation A078: PID variation range A079: PID feed forward selection d004: Process variable (PV), PID feedback monitoring C001 to C008: Terminal [1] to [8] functions C021 to C025: Terminal [11] to [15] functions C044: PID deviation level setting C052: Off level of feedback comparison signal C053: Onlevel of feedback comparison signal

Related code

Chapter 4 Explanation of Functions

4 - 27

(2) PID operation

1) P operation The proportional (P) operation stands for the operation in which the change in operation quantity is in proportion to the change in target value.

2) I operation The integral (I) operation stands for the operation in which the operation quantity increases linearly over time.

3) D operation The derivative (D) operation stands for the operation in which the operation quantity changes in proportion to the rate of change in the target value.

The PI operation is a combination of the P operation 1) and I operation 2). The PD operation is a combination of the P operation 1) and D operation 3). The PDI operation is a combination of the P operation 1), I operation 2), and D operation 3).

(3) PV source setting Select the terminal to be used for the feedback signal with the PV source setting function (A076). The terminal to input the target value follows the frequency source setting (A001). The terminal selected by the PV source setting (A076) is excluded. If the control circuit terminal block ("01") has been specified for frequency source setting "A001", the setting of AT selection (A005) is invalid. The table below shows how the PID target value is selected according to the setting of "A006" when the analog input is selected by the PV source setting and the control circuit terminal block ("01") is specified for "A001".

PID target value

PV source setting (A076)

A006=00 A006=01 A006=02 A006=03

00 (OI-L)

O + O2

(non-reversible)

O + O2

(reversible)

01 (O-L)

OI + O2

(non-reversible)

OI + O2

(reversible)

Operation targets include the input to the OI terminal.

O + O2

(non-reversible)

O + O2

(reversible)

Operation targets include the input to the O terminal.

OI + o2

(non-reversible)

OI + O2

(reversible)

10 (operation result)

Operation targets are the inputs to the OI and O terminals.

(reversible)

072

Change in steps

Target value

Operation quantity

Linear change

Large

Small

Large

Small

073

Target value

Operation quantity

Small

Large

Small

Large

074

Target value

Operation quantity

Large

Small

Large

Small

Chapter 4 Explanation of Functions

4 - 28

When you specify the 02 RS485 communication for the PV source setting (A076), transfer data as described below.

1) When the ASCII mode is selected (C078 = 00) Use the 01 command for data transfer. To transfer feedback data, set the most-significant byte of

frequency data to "1". Example: When transmitting the frequency data specifying 5 Hz The data to be transmitted consists of six bytes, indicating a value 100 times as large as

the set frequency value. → "000500" Change the most-significant byte to "1". → "100500" Convert the data to ASCII format. → "31 30 30 35 30 30"

Note: In ASCII mode, the unit of setting is always frequency (Hz).

2) When the Modbus RTU mode is selected (C078 = 01) Write the setting data (on the assumption that "10000" indicates 100%) to register address 0006h.

No.

Function name Function code

Readable/writable

(R/W)

Monitored data or setting

Data

resolution

0006h PID feedback － R/W 0 to 10000 0.01 [%]

Note: This register is readable and writable. However, this register can be read only when Modbus

RTU has been specified as the communication mode for PID feedback. It cannot be read with other settings.

- When pulse train input is specified for PID feedback, the input pulse train frequency (Hz) is converted to a percentage (with maximum frequency corresponding to 100%) and fetched as the feedback. For the pulse train input frequency, see Section 4.3.21.

(4) Feed forward selection

- Select the terminal to be used for the feed forward signal through PID feed forward selection (A079).

- Even if the terminal selected for the target or feedback data is also selected for the terminal by A079, the terminal functions according to the setting of A079.

- Specifying the value to disable selection for A079 disables feed forward control.

(5) Output of inverted PID deviation Some sensor characteristics may cause the polarity of the deviation of feedback data from the target value to be inconsistent with the inverter operation command. If the inconsistency occurs, specify "01" for function "A077" to invert the polarity of the deviation. Example: When controlling the compressor for a refrigerator Assume that the temperature and voltage specifications of the temperature sensor are -20°C to +100°C and 0 to 10 V and the target value is 0°C. If the current temperature is 10°C and the inverter is under the normal type of PID control, the inverter will reduces the output frequency because the feedback data is larger than the target value. → In such a case, specify "01" for function "A077" to invert the feedback deviation. Then, the inverter will increase the output frequency.

(6) Limitation on PID variation range You can limit the PID output to within a specific range with reference to the target value. To use the PID variation limit function, set the PID variation range (A078). (Set a value on the assumption that the maximum frequency corresponds to 100%.) The variation of PID output is limited within ±"value of A078" from the target value. (Setting "0.0" for the PID variation range [A078] disables the PID variation limit function.) This function is deactivated when 0.0 is set on A078.

PID

operation

－１

077

PID target value

PID feedback data

PID output (%)

PID target value

PID output range

PID variation range (A078)

Time (s)

Chapter 4 Explanation of Functions

4 - 29

(7) Output of inverted PID deviation If the inverter is under the normal PID control and the PID operation result is a negative value, the frequency command to the inverter will be limited to 0 Hz. However, when "02" (enabling the inverted output) is set for the PID Function Enable (A071), the PID operation result to be output to the inverter is inverted if the result is a negative value. Setting "02" for function "A071" disables the PID variation limit (A078) described above.

(8) PID gain adjustment If the inverter response is unsteady when the PID control function is used, try to adjust gain settings as follows:

- If the feedback data does not quickly follow the change in the target value → Increase the P gain (A072).

- If the feedback data is unstable although it quickly follows the change in the target value → Reduce the

P gain (A072).

- If considerable time is required until the feedback data matches the target value → Reduce the I gain

(A073).

- If the feedback data fluctuates unsteadily → Increase the I gain (A073).

- If the inverter response is slow even after the P gain is increased → Increase the D gain (A074).

- If the feedback data becomes fluctuant and unsteady when the P gain is increased → Reduce the D gain

(A074).

(9) Maximum PID deviation output (OD) You can set the PID deviation level (C044) for PID control. When the PID deviation (ε) exceeds the level set as the level "C044", the signal is output to an intelligent output terminal. A value from 0 to 100 can be set as the level "C044". The range of values corresponds to the range of target values from 0 to the maximum. To use this output function, assign function "04" (OD) to one of the terminal functions C021 to C025 or the alarm relay terminal function C026.

(10) Feedback comparison signal A feedback comparison signal can be output to an intelligent output terminal when the PID feedback data exceeds the specified range. To use this signal output function, assign function "31" (FBV) to one of the terminal functions C021 to C025 or the alarm relay terminal function C026.

(11) Process variable (PV), PID feedback monitoring (d004) You can monitor the PID feedback data on the inverter. When you set a PV scale conversion with function "A075", the value to be displayed as the monitored data can be the product of the feedback data and the scale. "Monitored value" = "feedback data (%)" x " PV scale conversion (A075)"

(12) Reset of PID integration (PIDC) This reset function clears the integral result of PID operation. To use this function, assign function "24" (PIDC) to one of the terminal functions C001 to C008. The integral result is cleared each time the PIDC terminal is turned on. Never turn on the PIDC terminal during the PID operation. Otherwise, the inverter may trip because of overcurrent. Be sure to disable the PID function before turning on the PIDC terminal.

FBV

ON OFF

OFF

PID feedback

C052 (off level)

C053 (on level)

Time

Chapter 4 Explanation of Functions

4 - 30

F002/F202/F302: Acceleration (1) time setting,

1st/2nd/3rd motors

F003/F203/F303: Deceleration (1) time setting,

1st/2nd/3rd motors

A092/A292/A392: Acceleration (2) time setting,

1st/2nd/3rd motors

A093/A293/A393: Deceleration (2) time setting,

1st/2nd/3rd motors

A094/A294: Select method to switch to

Acc2/Dec2 profile, 1st/2nd motor

A095/A295: Acc1 to Acc2 frequency transition

point, 1st/2nd motors

A096/A296: Dec1 to Dec2 frequency transition

point, 1st/2nd motors

C001 to C008: Terminal [1] to [8] functions

Related code

4.2.24 Two-stage acceleration/deceleration function (2CH)

The two-stage acceleration/deceleration function allows you to change the acceleration or deceleration time while the inverter is accelerating or decelerating the motor. Select one of the following three methods of changing the acceleration or deceleration time:

1) Changing the time by the signal input to an intelligent input terminal

2) Automatically changing the time when the output frequency reaches a specified frequency

3) Automatically changing the time only when switching the motor operation from forward rotation to reverse rotation, or vice versa

Selecting the 3rd control system enables the change of the acceleration or deceleration time only by terminal input. Not bytwo-stage acceleration/deceleration frequency. To change the acceleration/deceleration time by the signal input to an intelligent input terminal, assign function "09" (2CH) to one of the terminal functions C001 to C008.

Item Function code Data Description Acceleration (2) time setting

A092/A292/

A392

0.01 to

3600. (s)

(See examples 1 and 2.)

Deceleration (2) time setting

A093/A293/

A393

0.01 to

3600. (s)

(See examples 1 and 2.)

Changing the time by the signal input to the 2CH terminal (See example 1.)

Changing the time at the two-stage acceleration/deceleration frequency (See example 2.)

Select method to switch to Acc2/Dec2 profile

A094/A294

Valid only while the inverter is switching the motor between forward and

reverse operations (See example 3.) Acc1 to Acc2 frequency transition point

A095/A295

0.00 to

400.0 (Hz)

Valid when "01" is specified for the select method to switch to Acc2/Dec2

profile (A094/A294) (See example 2.) Dec1 to Dec2 frequency transition point

A096/A296

0.00 to

400.0 (Hz)

Valid when "01" is specified for the Select method to switch to Acc2/Dec2

profile (A094/A294) (See example 2.)

(Example 1) When "00" is specified for "A094" or "A294" (Example 2) When "01" is specified for "A094" or "A294"

(Example 3) When "02" is specified for "A094" or "A294"

Output frequency

Acceleration

time 1

Acceleration

time 2

Deceleration

time 2

Deceleration

time 1

Acceleration

time 1

Acceleration

time 2

Deceleration

time 2

Deceleration

time 1

Acceleration

time 1

Deceleration

time 2

Acceleration

time 2

Deceleration

time 1

Chapter 4 Explanation of Functions

4 - 31

4.2.25 Acceleration/deceleration curve selection

You can set different patterns of motor acceleration and deceleration according to the type of system to be driven by the inverter. Use functions "A097" and "A098" to select acceleration and deceleration patterns, respectively. You can individually set an acceleration pattern for acceleration and a deceleration pattern for deceleration. When the acceleration/deceleration pattern is set other than 00 (linear) using analog input as frequency source is to be avoided because it prolongs the acceleration or deceleration time.

Item Function code Data or range of data Description

00 Linear acceleration/deceleration 01 S-curve acceleration/deceleration 02 U-curve acceleration/deceleration 03 Inverted-U-curve acceleration/deceleration

Acceleration/deceleration curve selection

A097/A098

04 EL-S-curve acceleration/deceleration

Acceleration/deceleration curve constants setting

A131/ A132 01 to 10

01 (small degree of swelling)

10 (large degree of swelling) Curvature for EL-S-curve acceleration 1/2

A150/A151

0 to 50 (%)

Curvature of EL-S curve (for acceleration)

Curvature for EL-S-curve deceleration 1/2

A152/A153

0 to 50 (%)

Curvature of EL-S curve (for deceleration)

(1) Acceleration/deceleration pattern selection Select acceleration and deceleration patterns with reference to the following table:

Setting 00 01 02 03 04

Curve Linear S curve U curve Inverted-U curve EL-S curve

A097

(accele-

ration

pattern)

A098

(decele-

ration

pattern)

Descrip-

tion

With this pattern, the motor is accelerated or decelerated linearly until its speed reaches the set output frequency.

This pattern is effective for preventing the collapse of cargo carried by a lift or conveyor driven by the inverter.

This pattern is effective for the tension control on a winding machine driven by the inverter (to prevent cutting of the object to be wound).

This pattern is similar to the S-curve pattern for the shockless starting and stopping of the motor, except that the middle section of this pattern is linear.

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Output frequency

Time

Related code

A097: A

cceleration curve selection A098: Deceleration curve setting A131: Acceleration curve constants setting A132: Deceleration curve constants setting A150: Curvature for EL-S-curve acceleration 1 A151: Curvature for EL-S-curve acceleration 2 A152: Curvature for EL-S-curve deceleration 1 A153: Curvature for EL-S-curve deceleration 2

Chapter 4 Explanation of Functions

4 - 32

(2) Curve constant (swelling degree) Specify the swelling degree of the acceleration curve with reference to the following graphs:

The acceleration or deceleration time may be shortened midway through the acceleration or deceleration according to the S-curve pattern. If the LAD cancellation (LAC) function has been assigned to an intelligent input terminal and the LAC terminal is turned on, the selected acceleration and deceleration patterns are ignored, and the output frequency is quickly adjusted to that specified by the frequency command.

(3) Curvature of EL-S-curve pattern When using the EL-S-curve pattern, you can set the curvatures (A150 to A153) individually for

acceleration and deceleration.

If all curvatures are set to 50%, the EL-S-curve pattern will be equivalent to the S-curve pattern.

4.2.26 Energy-saver operation

The energy-saver operation function allows you to automatically minimize the inverter output power while the inverter is driving the motor at constant speed. This function is suited to operating a fan, pump, or other load that has a reduced-torque characteristic. To use this function, specify "01" for the operation mode selection (A085). Use the energy saving mode tuning function (A086) to adjust the response and accuracy of the energy-saver operation. The energy-saver operation function controls the inverter operation comparatively slowly. Therefore, if a sudden change in the load occurs (e.g., impact load is applied), the motor may stall, and, consequently, the inverter may trip because of overcurrent.

Item Function code Data Description

00 Normal operation 01 Energy-saving operation

Operation mode selection A085

02 Fuzzy operation

Item Function code Data Response Accuracy

Energy saving mode tuning A086

100

Slow

Quick

High

Low

96.9

82.4

17.6

3.1

25 50

99.6

93.8

50 75

87.5

68.4

64.6

35.4

0.39

25 50 75

31.6

12.5

6.25

Output frequency (Hz) Output frequency (Hz) Output frequency (Hz) Ta rg e t frequency (100%)

Ta rg e t frequency (100%)

Acceleration time (100%) to reach the set output frequency

Time Time Time

A085: Operation mode selection A086: Energy saving mode tuning

Related code

100

Time (s)

Output frequency rate (%)

Curvature for acceleration 2 (A151)

Curvature for deceleration 1 (A152)

Curvature for deceleration 2 (A153)

Curvature for acceleration 1 (A150)

Chapter 4 Explanation of Functions

4 - 33

4.2.27 Retry or trip after instantaneous power failure

(1) Retry (restart) after instantaneous power failure You can select tripping or retrying (restarting) the motor operation as the inverter operation to be performed at the occurrence of instantaneous power failure or undervoltage. If you specify a retry operation for the selection of restart mode (b001), the inverter will retry the motor operation for the number of times set as "b005" after an instantaneous power failure or the number of times set as "b009" after overvoltage respectively, and then trip if all retries fail. (The inverter will not trip if you specify an unlimited number of retries.) With function "b004" you can select whether to make the inverter trip when an instantaneous power failure or undervoltage occur while the inverter is in a stopped state. When selecting a retry operation, also set the retry conditions listed below according to the system to be driven by the inverter. Even during a retry operation, the inverter will trip with error code "E09" (undervoltage) displayed if the undervoltage status continues for 40 seconds.

Item Function code

Data or range of

data

Description

00 Tripping 01 Restarting the motor with 0 Hz at retry

Starting the motor with a matching frequency at retry (See example 1.) (*3)

Starting the motor with a matching frequency at retry The inverter trips after decelerating and stopping the motor. (*1) (*3)

Selection of restart mode (*4) (*6)

b001

Restarting the motor with an input frequency at retry (See example 1.) (*3)

Allowable under-voltage power failure time

b002 0.3 to 25.0 (s)

Restarting the motor when the power failure duration does not exceed the specified time (See example 1.) Tripping when the power failure duration exceeds the

specified time (See example 2.) Retry wait time before motor restart

b003 0.3 to 100. (s) Time to wait until restarting the motor

00 Disabling the inverter from tripping 01 Enabling the inverter to trip

Instantaneous power failure/under-voltage trip alarm enable (*2) (*4)

b004

Disabling the inverter from tripping when the inverter is

stopped or while the motor is being decelerated or

stopped after the operation command has been turned off

Retrying the motor operation up to 16 times after

instantaneous power failure

Number of restarts on power failure/under-voltage trip events

b005

Retrying the motor operation an unlimited number of times

after instantaneous power failure

Restart frequency threshold b007 0.00 to 400.0 (Hz)

Restarting the motor with 0 Hz if the frequency becomes

less than the frequency set here during motor free-running

(See examples 3 and 4.)

00 Tripping 01 Restarting the motor with 0 Hz at retry 02 Starting the motor with a matching frequency at retry

Starting the motor with a matching frequency at retry

The inverter trips after decelerating and stopping the

motor.

Trip/retry selection b008

04 Restarting the motor with an input frequency at retry

Retrying the motor operation up to 16 times after

undervoltage

Selection of retry count after undervoltage

b009

Retrying the motor operation an unlimited number of times

after undervoltage Selection of retry count after overvoltage or overcurrent

b010 1 to 3 (times)

Number of retries to be made after the occurrence of

overvoltage or overcurrent (*5)

Retry wait time after overvoltage or overcurrent

b011 0.3 to 100. (s) Time to wait until restarting the motor

00 Frequency set when the inverter output has been shut off 01 Maximum frequency

Active frequency matching, restart frequency select

b030

02 Newly set frequency

Active frequency matching, scan start frequency

b028

"0.20 x rated

current" to "1.50 x

rated current"

Current limit for restarting with active matching frequency

Active frequency matching, scan-time constant

b029 0.10 to 30.00 (s)

Duration of frequency lowering when restarting with active

matching frequency

b001: Selection of restart mode b002: Allowable under-voltage power failure time b003: Retry wait time before motor restart b004: Instantaneous power failure/under-voltage trip alarm enable b005: Number of restarts on power failure/under-voltage trip events b007: Restart frequency threshold b008: Selection of retry count after undervoltage C021 to C025: Terminal [11] to [15] functions C026: Alarm relay terminal function

Related code

Chapter 4 Explanation of Functions

4 - 34

*1 If the inverter trips because of overvoltage or overcurrent while decelerating the motor, the inverter will

display error code "E16" (instantaneous power failure), and the motor will start free-running. If this error occurs, prolong the deceleration time.

*2 If a DC voltage (P-N) is supplied to control power supply terminals R0 and T0, the inverter may detect

undervoltage and trip when the inverter power is turned off. If this cause a problem in your system, specify "00" or "02" for the trip selection.

*3 The inverter may start the motor with 0 Hz if:

1) the output frequency is not more than half the base frequency or

2) the voltage induced on the motor is attenuated quickly.

*4 Even when a retry operation (01 to 03)is specified for the selection of restart mode (b001) and

"disabling tripping" (00 or 02) is specified for the selection of a trip after instantaneous power failure or undervoltage in the stopped state, the inverter will trip if the instantaneous power failure continues over the allowable under-voltage power failure time. (See example 2.)

*5 Even when a retry operation is specified for the trip selection, the inverter will trip if the cause of trip is

not removed by the end of the retry wait time before motor restart (b003). If this occurs, prolong the retry wait time.

*6 Even when a retry operation is specified for the retry selection, the inverter will trip if the undervoltage

status continues for 40 seconds or more.

*7 when starting the motor with matching frequency is selected, inverter may restart suddenly by alarm

resetting, resetting and retry-start.

The figures below show the timing charts for starting with a matching frequency (when "02" is specified for the selection of restart mode [b001]). t0: Duration of instantaneous power failure t1: Allowable under-voltage power failure time (b002) t2: Retry wait time before motor restart (b003)

(Example 1) (Example 2)

t0 t2

b007

Power supply

Inverter output

Motor speed

Free-running

Power supply

Inverter output

Motor speed

Free-running

(Example 3) When the motor frequency (speed) is more than the setting of "b007":

Power supply

Inverter output

Motor frequency (speed)

Free-running

Starting with matching frequency

b007

(Example 4) When the motor frequency (speed) is less than the setting of "b007":

Power supply

Inverter output

Motor frequency (speed)

Free-running

Starting with 0 Hz

Chapter 4 Explanation of Functions

4 - 35

(2) Output of the alarms for instantaneous power failure and undervoltage in the stopped state Use function "b004" to specify whether to output an alarm when instantaneous power failure or undervoltage occurs. The inverter outputs the alarm providing the control power remains in the inverter. Output of the alarms for instantaneous power failure and undervoltage in the stopped state Examples 5 to 7 show the alarm output operations with standard settings. Examples 8 to 10 show the alarm output operations with the settings to supply DC power (P-N) to control power supply terminals R0 and T0.

Note 1: You can assign the instantaneous power failure alarm signal (IP: 08) and the undervoltage alarm

signal (UV: 09) to any of the intelligent output terminals [11] to [15] (C021 to C025) and the alarm relay terminal (C026) to output the alarm signals.

Note 2: For the alarm output following the occurrence of power failure of 1 second or longer, see the

explanation of reset (Section 4.2.48).

(Example 5) b004:00

Power supply

Operation command

Inverter output

(Example 6) b004:01

Power supply

Operation command

Inverter output

(Example 7) b004:02

Power supply

Operation command

Inverter output

Power supply

Operation command

Inverter output

Power supply

Operation command

Inverter output

Power supply

Operation command

Inverter output

While the inverter is stopped

While the inverter is operating

While the inverter is stopped

While the inverter is operating

While the inverter is stopped

While the inverter is operating

(Example 8) b004:00

Power supply

Operation command

Inverter output

While the inverter is stopped While the inverter is operating

Power supply

Operation command

Inverter output

(Example 9) b004:01

Power supply

Operation command

Inverter output

While the inverter is stopped While the inverter is operating

Power supply

Operation command

Inverter output

(Example 10) b004:02

Power supply

Operation command

Inverter output

While the inverter is stopped While the inverter is operating

Power supply

Operation command

Inverter output

Undervoltage

Chapter 4 Explanation of Functions

4 - 36

(3) Restarting methods

- Restart with matching frequency The inverter detects the frequency and rotation direction based on the residual voltage in the motor,

and then restarts the motor based on the detected frequency.

- Restart with input frequency The inverter starts the output with the frequency specified for the start frequency selection (b030),

searches for the point where the frequency and voltage are balanced while keeping the current at the restart current level (b028), and then restarts the motor.

If the inverter trips when it restarts the motor in this way, reduce the setting of "b028".

- After the inverter output has been shut off, the digital operator continues to display until the inverter restarts the motor operation.

4.2.28 Phase loss power input protection

The phase loss power input protection function gives a warning when phase loss power is input to the inverter.

Item Function code Data Description

00 Disabling the protection Phase loss detection

enable

b006

01 Enabling the protection

An phase loss power input may cause the following conditions, resulting in an inverter failure: (1) The ripple current increases in the main capacitor, and the capacitor life will be shortened significantly. (2) When the inverter is connected to a load, the internal converter or thyristor of the inverter may be

damaged.

b006: Phase loss detection enable

Related code

FRS

b028

Output current

Inverter output frequency

Deceleration according to the setting of "b029"

Frequency selected as the setting of "b030"

b003

Motor speed

Chapter 4 Explanation of Functions

4 - 37

4.2.29 Electronic thermal protection

The electronic thermal protection function allows you to protect the motor against overheating. Make settings of this function based on the rated current of the motor. The inverter will trip for overheat protection according to the settings. This function provides optimum overheat protection that is also designed with the lowering of the motor's cooling performance at low speeds in mind. You can configure this function so that the inverter outputs a warning signal before it trips for electronic thermal protection. (1) Electronic thermal level

Item Function code Range of data Description Electronic thermal setting (calculated within the inverter from current output)

b012/b212/b312

"0.2 x rated current" to

"1.0 x rated current"

See the example below.

(Example) Setting on the SJ700B-150HFF

Rated current: 29 A Range of setting: 5.8 A (20%) to 29.0 A (100%) When 29 A is set as the electronic thermal setting (b012), the time-limit characteristic is as shown on the right.

(2) Electronic thermal characteristic The frequency characteristic set as the electronic thermal characteristic is integrated with the value of "b012", "b212", or "b312". The cooling-fan performance of a general-purpose motor lowers when the motor speed is low. So load (current) is decreased. The reduced-torque characteristic is designed to match the heat generation by Hitachi's general-purpose motors.

Item Function code Data Description

00 Reduced-torque characteristic 01 Constant-torque characteristic

Electronic thermal characteristic

b013/b213/b313

02 Free setting of electronic thermal characteristic

(a) Reduced-torque characteristic The time-limit characteristic determined by the value of "b012", "b212", or "b312" is integrated with each frequency multiplied by reduction scales.

b012/b212/b312: Electronic thermal setting (calculated within the inverter from current output), 1st/2nd/3rd motors b013/b213/b313: Electronic thermal characteristic, 1st/2nd/3rd motors b015/b017/b019: Free setting, electronic thermal frequency (1) (2) (3) b016/b018/b020: Free setting, electronic thermal current (1) (2) (3) C021 to C025: Terminal [11] to [15] functions C026: Alarm relay terminal function C061: Electronic thermal warning level setting

Related code

X1.0

5 16 50

X0.8

X0.6

Reduction scale

Base frequency

Inverter output frequency (Hz)

Motor current (A) (Ratio to the rated current of inverter)

Trip time (s

)

3.0

31.9

(110%)

34.8

(120%)

43.5 (150%)

Chapter 4 Explanation of Functions

4 - 38

(b) Constant-torque characteristic Make this setting when driving a constant-torque motor with the inverter.

(c) Free setting of electronic thermal characteristic To protect the motor against overheating, you can set the electronic thermal characteristic freely according to the load on the motor. The range of setting is shown in the figures below.

Item Function code Range of data Description Free setting, electronic thermal frequency (1) (2) (3)

b015/b017/

b019

0. to 400. (Hz) Setting of frequency at each breakpoint

0.0 (A) Disabling the electronic thermal protection

Free setting, electronic thermal current (1) (2) (3)

b016/b018/

b020

0.1 to rated current. (A)

Setting of the current at each breakpoint

(3) Thermal warning You can configure this function so that the inverter outputs a warning signal before the electronic thermal protection operates against motor overheat. You can also set the threshold level to output a warning signal with the electronic thermal warning level setting (C061). To output the warning signal, assign function "13" (THM) to one of the intelligent output terminals [11] to [15] (C021 to C025) and the alarm relay terminal (C026).

Item Function code Data Description

0. Disabling the warning output

Electronic thermal warning level setting

C061

1. to 100. (%) (*1)

Setting of the threshold level to output the thermal warning signal

*1 Set the ratio (%) of the warning level to the integrated value of the electronic thermal characteristic. A

setting of 100% corresponds to the inverter trip due to overload (error code "E05").

X1.0

X0.9

X0.8

5 2.5

Reduction scale

Inverter output frequency (Hz)

004/A204/A304

b020

b018

b016

b01

b017 b019

X1.0

X0.8

3.0

(x) (y) (z)

Inverter output frequency (Hz)

Range of setting

(Example) When the output frequency is equal to the setting of "b017"

(x): ("setting of b018"/"rated current") x 109% (y): ("setting of b018"/"rated current") x 150% (z): ("setting of b018"/"rated current") x 200%

Maximum frequency (Hz)

Trip time (s)

Output current (A)

Chapter 4 Explanation of Functions

4 - 39

4.2.30 Overload restriction/overload notice

(1) Overload restriction function

- The overload restriction function allows you to make the inverter monitor the motor current during acceleration or constant-speed operation and automatically reduce the output frequency according to the deceleration rate at overload restriction when the motor current reaches the overload restriction level.

- This function prevents the moment of inertia from excessively increasing during motor acceleration and prevents the inverter from tripping because of overcurrent, even when the load changes suddenly during the constant-speed operation of the motor.

- You can specify two types of overload restriction operation by setting functional items "b021", "b022", and "b023" and functional items "b024", "b025", and "b026" separately.

- To switch the overload restriction operation between the two settings (setting with b021, b022, and b023 and setting with b024, b025, and b026), assign function "39" (OLR) to an intelligent input terminal. Turn the

- OLR signal on and off to switch between the two settings.

- The overload restriction level specifies the current at which to trigger the overload restriction function.

- The deceleration rate at overload restriction specifies the length of time to decelerate the motor from the maximum frequency to 0 Hz.

- When this function operates during deceleration, the acceleration time is prolonged over the set time. When you have selected the sensorless vector control, 0Hz-range sensorless vector control, or vector control with sensor as the V/F characteristic curve selection (see Section 4.2.18) and "03" for "b021" or "b024", the inverter output frequency increases if the current over the overload restriction level flows during the regenerative operation. If the value set as the deceleration rate at overload restriction (b023/b026) is too small, the inverter automatically decelerates the motor even during acceleration because of the overload restriction, and may trip because of the overvoltage caused by the energy regenerated by the motor. If this function operates during acceleration and the output frequency cannot reach the target frequency, try to make the following adjustments:

- Increase the acceleration time. (See Section 4.2.8.)

- Increase the torque boost setting. (See Section 4.2.19.)

- Increase the overload restriction setting (b022/b025).

Item Function code Data or range of data Description

00 Disabling the overload restriction

Enabling the overload restriction during acceleration and constant-speed operation

Enabling the overload restriction during constant-speed operation

Overload restriction operation mode

b021/b024

Enabling the overload restriction during acceleration and constant-speed operation (increasing the frequency during regenerative operation)

Overload restriction setting

b022/b025

"Rated current x 0.5" to

"rated current

x 1.5" (A)

Current at which to trigger the overload restriction

Deceleration rate at overload restriction

b023/b026 0.1 to 30.0 (s)

Deceleration time to be applied when the overload restriction operates

Terminal function C001 to C008 39 Terminal to switch the overload restriction setting

b021: Overload restriction operation mode b022: Overload restriction setting b023: Deceleration rate at overload restriction b024: Overload restriction operation mode (2) b025: Overload restriction setting (2) b026: Deceleration rate at overload restriction (2) C001 to C008: Terminal [1] to [8] functions C021 to C025: Terminal [11] to [15] functions C026: Alarm relay terminal function C040: Overload signal output mode C041: Overload level setting C111: Overload setting (2)

Related code

Overload restriction level b022/b025

Output current

Maximum frequency A004/A204/A304

Inverter output frequency

Deceleration according to the deceleration rate at overload restriction

Target frequency

F001

b023/b026

Chapter 4 Explanation of Functions

4 - 40

(2) Overload nitice function The overload notice function allows you to make the inverter output an overload notice signal before tripping because of overload. You can use this function effectively to prevent the machine (e.g., a conveyor)driven by the inverter from being overloaded and prevent the conveyor from being stopped by the overload protection of the inverter. To use this function, assign function "03" (OK) or "26" (OL2) to one of the intelligent output terminals [11] to [15] (C021 to C025) and the alarm relay terminal (C026). (Two types of overload notice signal are available for output.)

Item Function code Data or range of data Description

Enabling the warning output during acceleration, deceleration, and constant

Overload signal output mode

C040

01 Enabling the warning output during constant

0.0 Disabling the warning output

Overload level setting C041

0.1 to 1.5 x rated current (A)

Specifying the current at which to output the OL signal (overload notice advance signal (1))

0.0 Disabling the warning output

Overload setting (2) C111

0.1 to1.5 x rated current (A)

Specifying the current at which to output the OL2 signal (overload notice advance signal (2))

4.2.31 Overcurrent restraint

The overcurrent restraint function allows you to restrain the overcurrent that can occur when the output current sharply increases because of rapid acceleration. You can enable or disable the function by setting the overcurrent suppression enable (b027).

Item Function code Data or range of data Description

00 Disabling the overcurrent restraint Overcurrent

suppression enable

b027

01 Enabling the overcurrent restraint

Note: When using the inverter for a lift, disable the overcurrent restraint function. If the overcurrent

restraint functions during the lift operation, the lift may slide down because of insufficient torque.

Overload restriction

setting b022/b025

Overload level setting

C041/C111

Output current

OL/OL2 output

b027: Overcurrent suppression enable

Related code

Chapter 4 Explanation of Functions

4 - 41

4.2.32 Over voltage supression during deceleration

- The over voltage supression function allows you to prevent the inverter from tripping because of the overvoltage that can be caused by the energy regenerated by the motor during deceleration.

- You can enable or disable the function by setting the overvoltage suppression enable (b130).

- When "01" (enabling the over voltage supression [with deceleration stop]) is specified for the overvoltage suppression enable (b130), the inverter will decelerate by keeping the voltage of the main circuit DC section at over voltage suppression level (b131).

- When "02" (enabling the overvoltage suppression [with acceleration]) is specified for the overvoltage suppression enable (b130), the inverter will start acceleration according to the acceleration and deceleration rate at overvoltage suppression (b132) if the voltage of the main circuit DC section exceeds the overvoltage suppression level (b131). Subsequently, the inverter will restart deceleration when the voltage falls below the level (b131).

Item Function code Data or range of data Description

00 Disable

Enabling the overvoltage suppression (with controlled deceleration) (See example 1.) (note5)

Overvoltage suppression enable

b130

Enabling the overvoltage suppression (with acceleration) (See example 2.)

330 to 390 (V) Level setting for 200 V class models Overvoltage suppression

level (See Note 4.)

b131

660 to 780 (V) Level setting for 400 V class models Acceleration rate at overvoltage suppression

b132 0.10 to 30.00 (s)

Specifying the acceleration rate to be

applied when the function is enabled Overvoltage suppression propotional gain

b134 0 to 255

Overvoltage suppression propotional gain

setting (valid when b130=01) Overvoltage suppression integral time

b135 0 to 65535

Overvoltage suppression integral time

setting (valid when b130=01)

(Example 1) When "b130" is "01": (Example 2) When "b130" is "02":

Note 1:When this function is enabled, the actual acceleration time may be prolonged over the set time.

Note particularly that the motor may not be decelerated if the setting of "b131" is too small when "02" is specified for the overvoltage suppression enable (b130).

Note 2:This overcurrent restraint function does not maintain the DC voltage at a constant level. Therefore, inverter trips due to

overvoltage may be caused by the setting of the deceleration rate or by a specific load condition.

Note 3:When this function is enabled, the inverter may requires a long time to decelerate and stop the motor if the load on the motor

or the moment of inertia on the motor is under a specific condition. Note 4:If a voltage lower than the input voltage is specified for b131, the motor cannot be stopped. Note 5:When "01" is specified for b130, PI control is performed so that internal DC voltage is maintained at a constant level.

- Setting a higher proportional gain (b133) results in a faster response. However, an excessively high proportional gain causes control to diverge and results in the inverter easily tripping.

- Setting a shorter integral time (b134) results in a faster response. However, an excessively short integral time results in the inverter easily tripping.

b130: Overvoltage suppression enable b131: Overvoltage suppression level b132: Acceleration and deceleration

rate at overvolta

e suppression

Related code

Voltage of the main circuit DC section (V)

Overvoltage suppression level (b131)

Output frequency (Hz)

Voltage of the main circuit DC section (V)

Overvoltage suppression level (b131)

Output frequency (Hz)

Start of

deceleration

Stop of

deceleration

Restart of

deceleration

Stop of

deceleration

Time (s)

Start of

deceleration

Acceleration according to

the setting of "b132"

Time (s)

Time (s) Time (s)

Hitachi SJ700B-055H, SJ700B-150H, SJ700B-075H, SJ700B-110H, SJ700B-185H Instruction Manual

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