Mitsubishi FR-A540-0.4K-55K, FR-A540-0.4K, FR-A520-0.4K-55K-NA, FR-A540-0.4K-55K-NA, FR-A500 Instruction Manual

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HIGH FUNCTION

LOW ACOUSTIC NOISE

FR-A500

TRANSISTORIZED INVERTER

– INSTRUCTION MANUAL –

FR-A520-0.4K to 55K(-NA)

FR-A540-0.4K to 55K(-NA)(-EC)

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A - 1

Thank you for choosing this Mitsubishi transistorized Inverter. This instruction manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the inverter, please read this manual carefully to use the equipment to its optimum. Please forward this manual to the end user.

This section is specifically about safety matters

Do not attempt to install, operate, maintain or inspect the inverter until you have read through this instruction manual and appended documents carefully and can use the equipment correctly.

Do not use the inverter until you have a full knowledge of the equipment, safety information and instructions.

In this instruction manual, the safety instruction levels are classified into “WARNING” and “CAUTION”.

Assumes that incorrect handling may cause hazardous conditions, resulting in death or severe injury.

Assumes that incorrect handling may cause hazardous conditions, resulting in medium or slight injury, or may cause physical damage only.

Note that the CAUTION level may lead to a serious consequence according to conditions. Please follow the instructions of both levels because they are important to personnel safety.

CAUTION

WARNING

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A - 2

SAFETY INSTRUCTIONS

1. Electric Shock Prevention

WARNING

While power is on or when the inverter is running, do not open the f ront c over. You m ay get an electric shock.

Do not run the inverter with the front cover removed. O therwise, you may access the exposed highvoltage terminals or the charging part of the circuitry and get an electric shock.

If power is off, do not remove the f ront cover except f or wiring or periodic inspection. You may access the charged inverter circuits and get an electric shock.

Before starting wiring or inspection, switch power off, wait for more at least 10 minutes and c heck for the presence of any residual voltage with a meter (check chapter 2 for further details.) etc.

Use class 3 (200V) or special class 3 (400V) or higher earthing method to earth the inverter.

Any person who is involved in the wiring or inspection of this equipment should be fully competent to do the work.

Always install the inverter before wiring. Otherwise, you may get an electric shock or be injured.

Operate the switches with dry hands to prevent an electric shock.

Do not subject the cables to scratches, exc ess ive stress , heavy loads or pinching. Otherwise, you may get an electric shock.

Do not change the cooling fan while power is on. To do so will invite a hazardous condition.

2. Fire Prevention

CAUTION

Mount the inverter on an incombustible surf ace. Inst alling the inverter dir ectly on or near a combustible surface could lead to a fire.

If the inverter has become faulty, switch off the inverter power. A continuous flow of large curr ent could cause a fire.

Do not connect a resistor directly to the DC terminals P, N. This could cause a fire.

3. Injury Prevention

CAUTION

Apply only the voltage specified in the instruction manual to each terminal to prevent damage etc.

Ensure that the cables are connected to the correct terminals. Otherwise, damage etc. may occur.

Always make sure that polarity is correct to prevent damage etc.

After the inverter has been operating for a relativly long period of time, do not touc h the inverter as it may be hot and you may get burnt.

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A - 3

4. Additional instructions

Also note the following points to prevent an accidental failure, injury, electric shock, etc.:

(1) Transportation and installation

CAUTION

When carrying products, use correct lifting gear to prevent injury.

Do not stack the inverter boxes higher than the number recommended.

Ensure that installation position and material can withstand the weight of the inverter. Install according to the information in the Instruction Manual.

Do not operate if the inverter is damaged or has parts missing.

Do not hold the inverter by the front cover; it may fall off.

Do not stand or rest heavy objects on the inverter.

Check the inverter mounting orientation is correct.

Prevent screws, wire fragments, conductive bodies, oil or other flamm able substances from entering the inverter.

Do not drop the inverter, or subject it to impact.

Use the inverter under the following environmental conditions:

Ambient temperature

Constant torque: -10°C to +50°C (14°F to 122°F) (non-freezing)

(-10°C to +40°C with FR-A5CV attachment)

Variable torque: -10°C to +40°C (14°F to 104°F) (non-freezing)

(-10°C to +30°C with FR-A5CV attachment) Ambient humidity 90%RH or less (non-condensing) Storage temperature -20°C to +65°C* (-4°F to 149°F) Ambience Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)

Environment

Altitude, vibration

Maximum 1000m (3280.80 feet.) above sea level for standard operation. After that derate by 3% for every extra 500m up to 2500m (91%).

••*Temperatures applicable for a short time, e.g. in transit.

(2) Wiring

CAUTION

Do not fit capacitive equipment such as a power factor correction capacitor, noise filter or surge suppressor to the output of the inverter.

The connection orientation of the output cables U, V, W to the motor will affect the direction of rotation of the motor.

(3) Trial run

CAUTION

Check all parameters, and ensure that the machine will not be damaged by a sudden start-up.

(4) Operation

CAUTION

When you have chosen the retry function, stay away from the equipm ent as it will restart s uddenly after an alarm stop.

The [STOP] key is valid only when the appropriate function setting has been made. Prepare an emergency stop switch separately.

Make sure that the start signal is off bef ore r es etting the inverter alarm. A failure to do so may restart the motor suddenly.

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A - 4

CAUTION

The load used should be a three-phase induction motor only. Connection of any other electrical equipment to the inverter output may damage the equipment.

The electronic overcurrent protection does not guarantee protection of the motor from overheating.

Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter.

Use a noise filter to reduce the effect of electromagnetic interference. Otherwise nearby electronic equipment may be affected.

Take measures to suppress harmonics. Otherwise power harmonics from the inverter may heat/damage the power capacitor and generator.

When a 400V class motor is inverter-driven, it should be insulation-enhanced or surge voltages suppressed. Surge voltages attributable to the wiring constants may occur at the motor terminals, deteriorating the insulation of the motor.

When parameter clear or all clear is per form ed, eac h param eter r eturns to the f actory setting. Re-set the required parameters before starting operation.

The inverter can be easily set for high-speed operation. Before changing its setting, examine the performance of the motor and machine.

In addition to the inverter's holding function, install a holding device to ensure safety.

Before running an inverter which had been stored for a long period, always perform inspection and test operation.

(5) Emergency stop

CAUTION

Provide a safety backup such as an emergency brake which will prevent the machine and equipment from hazardous conditions if the inverter fails.

(6) Maintenance, inspection and parts replacement

CAUTION

Do not carry out a megger (insulation resistance) test on the control circuit of the inverter.

(7) Disposing of the inverter

CAUTION

Treat as industrial waste.

(8) General instructions

Many of the diagrams and drawings in this instruction manual show the inverter without a cover, or partially open. Never run the inverter like this. Always replace the cover and follow this instr uction manual when operating the inverter.

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CONTENTS

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1.1 Pre-Operation Information.........................................................................................................................................1

1.1.1 Precautions for operation....................................................................................................................................1

1.2 Basic Configuration....................................................................................................................................................2

1.2.1 Basic configuration .............................................................................................................................................2

1.3 Structure....................................................................................................................................................................3

1.3.1 Appearance and structure ..................................................................................................................................3

1.3.2 Removal and reinstallation of the front cover .....................................................................................................4

1.3.3 Removal and reinstallation of the operation panel..............................................................................................6

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2.1 Installation..................................................................................................................................................................7

2.1.1 Instructions for installation..................................................................................................................................7

2.2 Wiring ........................................................................................................................................................................9

2.2.1 Terminal connection diagram .............................................................................................................................9

2.2.2 Wiring of the main circuit ..................................................................................................................................12

2.2.3 Wiring of the control circuit ...............................................................................................................................18

2.2.4 Connection to the PU connector.......................................................................................................................22

2.2.5 Connection of stand-alone option units ............................................................................................................24

2.2.6 Design information............................................................................................................................................28

2.3 Other wiring .............................................................................................................................................................29

2.3.1 Power harmonics..............................................................................................................................................29

2.3.2 Japanese harmonic suppression guidelines.....................................................................................................30

2.3.3 Inverter-generated noises and reduction techniques........................................................................................33

2.3.4 Leakage currents and countermeasures..........................................................................................................37

2.3.5 Inverter-driven 400V class motor......................................................................................................................38

2.3.6 Peripheral devices............................................................................................................................................39

2.3.7 Instructions for compliance with the UL and CSA standards............................................................................41

2.3.8 Instructions for compliance with the European standards................................................................................42

2.3.9 Earthing (EC version)........................................................................................................................................43

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3.1 Pre-Operation Information.......................................................................................................................................45

3.1.1 Devices and parts to be prepared for operation ...............................................................................................45

3.1.2 Power on...........................................................................................................................................................47

3.1.3 Parameter check...............................................................................................................................................47

3.2 Operation.................................................................................................................................................................53

3.2.1 Pre-operation checks........................................................................................................................................53

3.2.2 External operation mode (Operation using external input signals)...................................................................54

3.2.3 PU operation mode (Operation using the operation panel (FR-DU04))...........................................................55

3.2.4 Combined operation mode (Operation using the external input signals and PU)............................................56

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4.1 Parameter List .........................................................................................................................................................57

4.2 Parameter Function Details.....................................................................................................................................63

Torque boost (Pr. 0, Pr. 46, Pr. 112).......................................................................................................................63

Output frequency range (Pr. 1, Pr. 2, Pr. 18) ..........................................................................................................64

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Base frequency, base frequency voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113).................................................................65

Multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)..............................................................66

Acceleration/deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)..................................67

Electronic overcurrent protection (Pr. 9)..................................................................................................................68

DC dynamic brake (Pr. 10, Pr. 11, Pr. 12)...............................................................................................................69

Starting frequency (Pr. 13)......................................................................................................................................70

Load pattern selection (Pr. 14)................................................................................................................................70

Jog operation (Pr. 15, Pr. 16)..................................................................................................................................71

MRS input selection (Pr. 17) ...................................................................................................................................72

Stall prevention (Pr. 22, Pr. 23, Pr. 66, Pr. 148, Pr. 149, Pr. 154)...........................................................................73

Multi-speed input compensation (Pr. 28).................................................................................................................74

Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143).................................................................................75

Regenerative brake duty (Pr. 30, Pr. 70).................................................................................................................76

Frequency jump (Pr. 31 to Pr. 36)...........................................................................................................................77

Speed display (Pr. 37, Pr. 144)............................................................................................................................... 78

Up-to-frequency sensitivity (Pr. 41).........................................................................................................................79

Output frequency detection (Pr. 42, Pr. 43, Pr. 50, Pr. 116) ...................................................................................79

Second/third stall prevention (Pr. 48, Pr. 49, Pr. 114, Pr. 115)...............................................................................80

Monitor display/FM, AM terminal function selection (Pr. 52 to Pr. 54, Pr. 158).......................................................82

Monitoring reference (Pr. 55, Pr. 56).......................................................................................................................84

Automatic restart after instantaneous power failure (Pr. 57, Pr. 58, Pr. 162 to Pr. 165).........................................85

Remote setting function selection (Pr. 59) ..............................................................................................................87

Intelligent mode selection (Pr. 60)...........................................................................................................................88

Acceleration/deceleration reference current/lift mode starting frequency (Pr. 61 to Pr. 64)....................................90

Retry function (Pr. 65, Pr. 67 to Pr. 69)...................................................................................................................91

Applied motor (Pr. 71).............................................................................................................................................93

PWM carrier frequency (Pr. 72, Pr. 240).................................................................................................................94

Voltage input (Pr. 73) ..............................................................................................................................................95

Input filter time constant (Pr. 74).............................................................................................................................96

Reset selection/PU disconnection detection/PU stop selection (Pr. 75).................................................................96

Alarm code output selection (Pr. 76).......................................................................................................................98

Parameter write inhibit selection (Pr. 77) ................................................................................................................99

Reverse rotation prevention selection (Pr. 78)......................................................................................................100

Operation mode selection (Pr. 79) ........................................................................................................................101

Motor capacity/number of motor poles/speed control gain (Pr. 80, Pr. 81, Pr. 89) ...............................................104

Offline auto tuning function (Pr. 82 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96)..................................................................105

Online auto tuning selection (Pr. 95).....................................................................................................................111

V/F control frequency (voltage) (Pr. 100 to Pr. 109)..............................................................................................113

Computer link operation (Pr. 117 to Pr. 124).........................................................................................................114

PID control (Pr. 128 to Pr. 134).............................................................................................................................124

Commercial power supply-inverter switch-over function (Pr. 135 to Pr. 139)........................................................131

Output current detection function (Pr. 150, Pr. 151)..............................................................................................135

Zero current detection (Pr. 152, Pr. 153)...............................................................................................................136

RT signal activated condition selection (Pr. 155)..................................................................................................137

Stall prevention function and current limit function (Pr. 156).................................................................................137

OL signal output timer (Pr. 157)............................................................................................................................ 139

User group selection (Pr. 160, Pr. 173 to Pr. 176)................................................................................................140

Watt-hour meter clear/actual operation hour meter clear (Pr. 170, Pr. 171).........................................................141

Input terminal function selection (Pr. 180 to Pr. 186)............................................................................................141

Output terminal function selection (Pr. 190 to Pr. 195) .........................................................................................144

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III

User initial value setting (Pr. 199) .........................................................................................................................146

Programmed operation function (Pr. 200 to Pr. 231) ............................................................................................147

Cooling fan operation selection (Pr. 244)..............................................................................................................151

Stop selection (Pr. 250).........................................................................................................................................152

Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266) ...................................................................154

Stop-on-contact, load torque high-speed frequency selection (Pr. 270)...............................................................156

High-speed frequency control (Pr. 271 to Pr. 274)................................................................................................157

Stop on contact (Pr. 275, Pr. 276).........................................................................................................................161

Brake sequence function (Pr. 278 to Pr. 285).......................................................................................................164

Droop control (Pr. 286, Pr. 287)............................................................................................................................ 168

Meter (frequency meter) calibration (Pr. 900, Pr. 901)..........................................................................................169

Frequency setting voltage (current) bias and gain (Pr. 902 to Pr. 905).................................................................171

Buzzer control (Pr. 990) ........................................................................................................................................173

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5.1 Errors (alarms).......................................................................................................................................................174

5.1.1 Error (alarm) definitions..................................................................................................................................174

5.1.2 Correspondences between digital and actual characters...............................................................................177

5.1.3 Alarm code output...........................................................................................................................................178

5.1.4 Resetting the inverter......................................................................................................................................178

5.2 Troubleshooting.....................................................................................................................................................179

5.2.1 Checking the operation panel display at alarm stop.......................................................................................179

5.2.2 Faults and check points..................................................................................................................................180

5.3 Precautions for Maintenance and Inspection.........................................................................................................182

5.3.1 Precautions for maintenance and inspection..................................................................................................182

5.3.2 Check items....................................................................................................................................................182

5.3.3 Periodic inspection..........................................................................................................................................182

5.3.4 Insulation resistance test using megger .........................................................................................................183

5.3.5 Pressure test...................................................................................................................................................183

5.3.6 Replacement of parts......................................................................................................................................186

5.3.7 Inverter replacement.......................................................................................................................................187

5.3.8 Measurement of main circuit voltages, currents and power............................................................................188

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6.1 Standard Specifications.........................................................................................................................................190

6.1.1 Model specifications .......................................................................................................................................190

6.1.2 Common specifications...................................................................................................................................192

6.1.3 Outline drawings.............................................................................................................................................194

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7.1 Option List..............................................................................................................................................................198

7.1.1 Stand-alone options........................................................................................................................................198

7.1.2 Inboard dedicated options ..............................................................................................................................200

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Appendix 1 Data Code List..........................................................................................................................................201

Appendix 2 List of Parameters Classified by Purposes of Use....................................................................................207

Appendix 3 Operating the Inverter Using a Single-Phase Power Supply....................................................................208

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CHAPTER 1

OUTLINE

This chapter gives information on the basic "outline" of this product. Always read the instructions in this chapter before using the equipment.

1.1 Pre-Operation Information........................................1

1.2 Basic Configuration..................................................2

1.3 Structure..................................................................3

DU Operation panel (FR-DU04)

PU Operation panel (FR-DU04) and parameter unit (FR-PU04)

Inverter Mitsubishi transistorized inverter FR-A500 series

Pr. Parameter number

PU operation Operation using the PU (FR-DU04/FR-PU04)

External operation Operation using the control circuit signals

Combined operation Operation using both the PU (FR-DU04/FR-PU04) and external operation

FR-A200E Mitsubishi transistorized inverter FR-A200 series <EXCELLENT> series

CHAPTER 1 OUTLINE CHAPTER 2 INSTALLATION AND WIRING CHAPTER 3 OPERATION CHAPTER 4 PARAMETERS CHAPTER 5 PROTECTIVE FUNCTIONS CHAPTER 6 SPECIFICATIONS CHAPTER 7 OPTIONS APPENDICES

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Page 11

1.1 Pre-Operation Information

OUTLINE

1 OUTLINE

1.1 Pre-Operation Information

1.1.1 Precautions for operation

Incorrect handling might cause the inverter to operate improperly, its life to be reduced considerably, or at the worst, the inverter to be damaged. Handle the inverter properly in accordance with the information in each section as well as the precautions and instructions of this manual to use it correctly. This manual is written for the FR-A500 series transistorized inverters. For handling information on the parameter unit ( FR- PU04), inboar d options , stand- alone options , etc ., ref er to the corresponding manuals.

(1)

Unpacking and product check

Unpack the inverter and check the capacity plate on the front cover and the rating plate on the inverter side face to ensure that the product agrees with your order and the inverter is intact.

1) Inverter type

FR-A520-0.4K/

MITSUBISHI

MODEL

FR-A520-0.4K

INVERTER

POWER INPUT

OUTPUT

SERIAL

MITSUBISHI ELECTRIC CORPORATION

0.4kW

XXXXX

MADE IN JAPAN

XXXXX

Capacity plate

Inverter type Serial number

Capacity plate

Rating plate

Input rating

Output rating

Serial number

Inverter type

FR- A520 - 0.4K -

Symbol Voltage Class

A520 A540

200V class 400V class

Symbol Applicable Motor Capacity

0.4K to 55K Indicates capacity in "kW".

Symbol Specifications

NoneNAJapanese specifications

U.S. specifications

EC European specifications

Applicable moto

capacity

2) Accessory Instruction manual

If you have found any discrepancy, damage, etc., please contact your sales representative.

(2)

Preparations of instruments and parts required for operation

Instruments and parts to be prepared depend on how the inverter is operated. Prepare equipment and parts as necessary. (Refer to page 45.)

(3)

Installation

To operate the inverter with high performance f or a long time, install the inverter in a proper place, in the correct direction, and with proper clearances. (Refer to page 7.)

(4)

Wiring

Connect the power supply, motor and operation signals (control signals) to the terminal block. Note that incorrect connection may damage the inverter and peripheral devices. (See page 12.)

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Page 12

1.2 Basic Configuration

OUTLINE

1.2 Basic Configuration

1.2.1 Basic configuration

The following devices are required to operate the inverter. Pr oper peripheral devices must be selected and correct connections made to ensure proper operation. Inc orrect system configuration and connections can cause the inverter to operate improperly, its life to be reduced considerably, and in the worst case, the inverter to be damaged. Please handle the inverter properly in accordance with the information in each section as well as the precautions and instructions of this manual. (For connections of the peripheral devices, refer to the corresponding manuals.)

Name Description

Power supply

Use the power supply within the perm is si ble power supply specifications of the in verter.

(Refer to page 39.) Earth leakage circuit breaker (ELB) or no-fuse breaker (NFB)

The breaker should be selected with care

since a large inrush current flows in the

inverter at power on. (Refer to page 39.)

Magnetic contactor

The magnetic contactor need not be

provided. When installed, do not us e it to

start or stop the inverter. It might reduce the

inverter life.

(Refer to page 39.)

Reactors

The reactors must be used when t he power

factor is to be improved or the inverter is

installed near a large power supply system

(1000KVA or more and wiring distance

within 10m (32.81 feet)). Make selection

carefully.

Inverter

The inverter life is influenced by ambient temperature. The ambient temperature should be as low as possible within the permissible range. This must be noted especiall y when the inverter is installed in an enclosure. (Refer to page 7.)

Incorrect wiring might lead to inverter damage. The control signal lines should be kept away from the main circuit to protect them from nois e. (Refer to page

9.) Devices connected to the output

Do not connect a power capacitor, surge suppressor or radio noise filter to the output side.

(MC)

Ground

DC reactor

(FR-BEL)

Ground

(NFB)

(ELB)

AC reactor

(FR-BAL)

Ground

To prevent an electric shock, always ground the motor and inverter.

Japanese Harmonic Suppression Guideline

The "harmonic suppression guideline for household appliances and general-purpose products" was issued by the Ministry of International Trade and Industry in September, 1994. This

uideline applies to the

FR-A520-0.4K to 3.7K. By connection of the power factor im provin

reactor (FR-BEL or FR-BAL), this product conforms to the "harm onic suppr ession technique f or transistor ized inverters (input c urrent 20A or less)" set forth by the Japan Electrical Manufactures' Association.

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Page 13

1.3 Structure

OUTLINE

1.3 Structure

1.3.1 Appearance and structure

(1) Front view (2) Without front cover

POWER lamp ALARM lamp

Operation panel (FR-DU04) Brake resistor* (Fitted to the back) Accessory cover

Wiring port cover for option

Front cover Rating plate Capacity plate

Wiring cover

PU connector (Provided with modular jack type relay connector) (For use of RS-485 cable)

Modular jack type relay connector compartment

Inboard option mounting position

Control circuit terminal block Main circuit terminal block

*7.5K or less inverters are equipped with an inboard brake resistor.

Note: The "EC" version of the FR-A500 uses pheonix type connectors f or the control circuit terminal block.

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Page 14

OUTLINE

1.3.2 Removal and reinstallation of the front cover

FR-A520-0.4K to 11K, FR-A540-0.4K to 7.5K

•

Removal

1) Hold both sides of the front cover top and push the front cover down.

2) Hold down the front cover and pull it toward you to remove. (The front cover may be removed with the PU (FR-DU04/FR-PU04) on.)

Front cover

Inverter

Catch

•

Reinstallation

1) Insert the catches at the bottom of the front cover into the sockets of the inverter.

2) Using the catches as supports, securely press the front cover against the inverter.

Note: When the operation panel is mounted and the front c over is removed, remove the operation

panel before reinstalling the front cover.

FR-A520-15K to 22K, FR-A540-11K to 22K

•

Removal

1) Remove the installation screw at top of the front cover.

2) Hold both ends of the front cover top.

3) Pull the front cover toward you to remove. (The front cover may be removed with the PU (FR-DU04/FR-PU04) on.)

•

Reinstallation

1) Insert the catches at the front cover bottom into the sockets of the inverter.

2) Using the catches as supports, securely press the front cover against the inverter.

3) Fix the front cover with the top screw.

Note: When the operation panel is m ounted on the front cover removed, rem ove the operation panel

before reinstalling the front cover.

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Page 15

OUTLINE

FR-A520-30K to 55K, FR-A540-30K to 55K

•

Removal

1) Remove the front cover mounting screws.

•

Reinstallation

1) Fix the front cover with the mounting screws.

Note: 1. Make sure that the front cover has been reinstalled securely.

2. The sam e ser ial number is printed on the capacity plate of the front c over and the r ating plate of

the inverter. Before reinstalling the front cover, c heck the serial number to ensure that the cover removed is reinstalled to the inverter from where it was removed.

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Page 16

OUTLINE

1.3.3 Removal and reinstallation of the operation panel

To ensure safety, remove and reinstall the operation panel after switching power off.

•

Removal

Hold down the top button of the operation panel and pull the operation panel toward you to remove.



Removal

Reinstallation

To reinstall, insert straight and mount securely.

•

Reinstallation using the connection cable

1) Remove the operation panel.

2) Disconnect the modular jack type relay connector. (Place the disconnec ted m odular j ack type relay connector in the modular jack type relay connector compartment.)

Modular jack type relay connector compartment

Modular jack type relay connector

3) Securely plug one end of the connection cable into the PU connector (m odular jack type relay connector) of the inverter and the other end into the operation panel.

Note: Install the operation panel only when the front cover is on the inverter.

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Page 17

CHAPTER 2

INSTALLATION AND WIRING

This chapter gives information on the basic "installation and wiring" of this product. Always read the instructions in this chapter before using the equipment.

2.1 Installation................................................................ 7

2.2 Wiring ...................................................................... 9

2.3 Other wiring .............................................................29

CHAPTER 1 OUTLINE CHAPTER 2 INSTALLATION AND WIRING CHAPTER 3 OPERATION CHAPTER 4 PARAMETERS CHAPTER 5 PROTECTIVE FUNCTIONS CHAPTER 6 SPECIFICATIONS CHAPTER 7 OPTIONS APPENDICES

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Page 18

2.1 Installation

INSTALLATION AND WIRING

2 INSTALLATION AND WIRING

2.1 Installation

2.1.1 Instructions for installation

1) Handle the unit carefully. The inverter uses plastic parts. Handle it gently to protect it from damage. Also, hold the unit with even strength and do not apply too much strength to the front cover alone.

2) Install the inverter in a place where it is immune to vibration. (5.9 m/s

{0.6G} or less)

Also note the cart, press, etc.

3) Note on ambient temperature The inverter life is under great influence of ambient temperature. In the place of installation, ambient temperature must be within the permissible range (depending upon the operation mode and conditions (see ambient temperature specifications on page 190). Check that the ambient temperature is within that range in the positions shown in figure 3).

4) Install the inverter on a non-combustible surface. The inverter will be very hot (maximum about 150°C). Install it on a non-combustible surface (e.g. metal). Also leave sufficient clearances around the inverter.

5) Avoid high temperature and high humidity. Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity.

6) The amount of heat generated in an enclosure can be reduced c onsiderably by placing the heat sink outside the enclosure.

Note: 1. Use the option (FR-A5CN



) for installation. The mounting area should be cut to the panel

cutting dimensions.

2. The cooling section outside the enclosure has the cooling fan. Do not use the inverter in any environment where it is exposed to waterdrops, oil mist, dust, etc.

7) Avoid places where the inverter is exposed to oil mist, flammable gases, fluff, dust, dirt etc. Install the inverter in a clean place or inside a "totally enclosed" panel which does not accept any suspended matter.

8) Note the cooling method when the inverter is installed in an enclosure. When two or more inverters are installed or a ventilation fan is mounted in an enclosure, the inverters and ventilation fan must be installed in proper positions with extreme care taken to keep the ambient temperatures of the inverters below the permissible value. If they are installed in improper positions, the ambient temperatures of the inverters will rise and ventilation effect will be reduced.

9) Install the inverter securely with screws or bolts in the vertical direction.

3) Note on ambient temperature

Measurement position

5cm (1.97 inches)

5cm

(1.97 inches)

5cm

(1.97 inches)

4) Clearances around the inverter

10cm (3.94 inches)

5cm (1.97 inches)

or more *

*: 1cm (0.39 inches) or more for model 3.7K or less

Leave sufficient clearances above and under the inverter to ensure adequate ventilation.

Cooling fan built in the inverter

Cooling air

5cm (1.97 inches)

or more *

or more

10cm (3.94 inches) or more

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Page 19

INSTALLATION AND WIRING

8) For installation in an enclosure

Ventilation fan

(Correct example)

Position of Ventilat ion Fan

Inveter Inveter

Inveter

(Correct example) (Incorrect example)

Built-in cooling fan

Inveter

Accommodation of two or more inv erters

(Incorrect example)

9) Vertical mounting

(1)

Wiring cover and handling (22K or less

)

1) When cable conduits are not connected Cut the protective bushes of the wiring cover with nippers or a cutter before running the cables.

Wiring cover

Protective bush

WARNING

Do not remove the protective bushes. Otherwise, the cable sheathes may be scratched by the wiring cover edges, resulting in a short circuit or ground fault.

2) When cable conduits are connected Remove the corresponding protective bushes and connect the cable conduits.

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Page 20

2.2 Wiring

INSTALLATION AND WIRING

2.2 Wiring

2.2.1 Terminal connection diagram

NFB

R S T

R1 S1

STF

STR

STOP

JOG

MRS

RES

10E(+10V)

10(+5V)

4 (4 to 20mADC)

Frequency setting

potentiometer

1/2W1k

Ω

RUN

IPF

U V

+−

(

−

)

(

)

Ground

Main circuit terminal Control circuit input terminal Control circuit output terminal

3-phase AC power supply

Jumper

24VDC power output and external transistor common

(Contact input common for source logic)

Forward rotation start

Reverse rotation start

Start self-holding selection

High

Middle

Low

Jog mode

Second acceleration/deceleration time selection

Output stop

Reset

Current input selection

Selection of automatic restart after instantaneous power failure

(Contact input common for sink logic)

Control input signals (no voltage input allowed)

Frequency setting signals (analog)

Common

Auxiliary input

Current input

0 to 5VDC 0 to 10VDC

Selected

(Analog common)

0 to ± 5VDC 0 to ±10VDC

Selected

PU connector

(Note)

Motor

Ground

Jumper Remove this jumper when using FR-BEL.

Jumper Remove this jumper when using FR-ABR.

Note: Terminals PR, PX are provided for FR-A520-0.4K to 7.5K. FR-A540-0.4K to 7.5K

Alarm detection

Running

Up to frequency

Instantaneous power failure

Overload

Frequency detection

Open collector output common Common to sink and source

Open collector outputs

Meter

(e.g. frequency meter)

Moving-coil type 1mA full-scale

Analog signal output (0 to 10VDC)

Multi-speed selection

(RS-485)

NFB

3-phase AC power supply

Jumper

EC version

–

EC version

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Page 21

INSTALLATION AND WIRING

(1)

Description of main circuit terminals

Symbol Terminal Name Description

R, S, T

〈

, L2, L

〉

AC power input

Connect to the commerci al power supply. Keep these t erminals unconnected when using the high power factor converter (FR-HC).

U, V, W Inverter output Connect a three-phase squirrel-cage motor.

R1, S1

〈

, L

〉

Power supply for control circuit

Connected to the AC power supply terminals R and S 〈L

and L

〉

. To retain the alarm display and alarm output or when using the high power factor converter (FR-HC), remove the jumpers from terminals R-R1 and S-S1 〈L

L11 and L

〉

and apply

external power to these terminals.

P, PR

〈+

, PR

〉

Brake resistor connection

Disconnect the jumper from terminals PR-PX and connect the optional brak e resistor (FR-ABR) across terminal s P-PR.

P, N

〈+, −〉

Brake unit connection

Connect the optional FR-BU brake unit, power return convert er (FR-RC) or high power factor converter (FR-HC).

P, P1

〈+

, P1

〉

Power factor improving DC reactor connection

Disconnect the jumper from terminals P-P1

〈+

-P1〉 and connect the optional power

factor improving reactor (FR-BEL).

PR, PX

Built-in brake circuit connection

When the jumper is c onnected across terminals PX-PR (factory setting), the built-in brake circuit is val i d. (Provided for 7.5K or less.)

Ground For grounding the inverter chassis. Must be earthed.

Note: 〈 〉 Terminal names in parentheses are those of the EC version.

(2)

Description of control circuit terminals

Type Symbol Terminal Name Description

STF Forward rotation start

Turn on the STF signal to start forward rotation and t urn i t off to stop. Acts as a programmed operation start signal in the programmed operation mode. (Turn on to s tart and turn off to stop.)

STR Reverse rotation start

Turn on the STR signal to start reverse rot at i on and turn it off to stop.

When the STF and STR signals are turned on simultaneously, the stop command is given.

STOP

Start self-holding selection

Turn on the STOP signal to select t he self-holding of the start signal.

RH•RM•RL Multi-speed selection

Use the RH, RM and RL signals as appropriate to select multiple speeds.

JOG JOG mode selecti on

Turn on the JOG signal to select jog operati on (factory setting). Jog operation can be performed with the start signal (STF or STR).

Second acceleration/ deceleration time selection

Turn on the RT signal to select the sec ond acceleration/ deceleration time. When the second functions such as "second torque boost" and "second V/F (base frequency)" functions have been set, these functions c an al so be selected by turning on the RT signal.

Input terminal function selection (Pr. 180 to Pr. 186) change terminal functions.

MRS Output stop

Turn on the MRS signal (20ms or longer) to stop t he i nverter output. Used to shut off the inverter output to bring the motor to a stop by the magnetic brake.

RES Reset

Used to reset the protective circuit activated. Turn on the RES signal for more than

0.1 second, then turn it off.

Current input selection

Only when the AU signal is turned on, the inverter can be operated with the 4-20mADC frequency setting signal.

Automatic restart after instantaneous power failure selection

With the CS signal on, restart can be made automatically when the power is restored after an instantaneous power failure. Note that this operation requires restart parameters to be set. When the inverter is shipped from t he factory, it is set to disallow restart.

put terminal function selection (Pr. 180 to Pr. 186) change terminal functions.

Contact input common (sink)

Common to the contact i nput terminals and terminal FM. Common output term i nal f or 24VDC 0.1A power (PC terminal).

Input signals

Contacts, e.g. start (S TF), stop (STOP) etc.

24VDC power and external transistor common Contact input common (source)

When transistor output (open collector output), such as a programmable controller, is connected, connect the external power supply common for transistor output to this terminal to prevent a fault caus ed by l eakage current. This terminal can be used as a 24VDC, 0.1A power output. When source logic has been selected, this terminal serves as a contact input common.

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Page 22

INSTALLATION AND WIRING

Type Symbol Terminal Name Description

10E

10VDC, permissible load current 10mA

Frequency setting power supply

5VDC, permissible load current 10mA

When the frequency setti ng potentiometer is connected in the factory-set s tate, connect it to terminal 10. When it is connect ed t o terminal 10E, change the input specifications of terminal 2.

Frequency setting (voltage)

By entering 0 to 5VDC (0 to 10VDC), the maxim um output frequency is reached at 5V (or 10V) and I/O are proportional. Switch between input 0 to 5V DC (f actory setting) and 0 to 10VDC from the operation panel. Input resistance 10kΩ. Maximum permissible voltage 20V.

Frequency setting (current)

By entering 4 to 20mADC, the maxim um output frequency is reached at 20mA and I/O are proportional. This input signal i s valid only when the AU signal is on. Input resistance 250Ω. Maximum permissible current 30mA.

Auxiliary frequency setting

By entering 0 to ±5VDC 0 to ±10VDC, this signal is added to the frequency setting signal of terminal 2 or 4. Switch between input 0 to ±5VDC and 0 to ±10VDC (factory setting) from the operation panel. I nput resistance 10kΩ. Maximum permissible voltage ±20V.

Input signals

Analog frequency setting

Frequency setting input common

Common to the frequency setting signal (terminal 2, 1 or 4) and analog output terminal AM. Do not earth.

Contact

A, B, C Alarm output

Change-over contact output indicating t hat the output has been stopped by the inverter protective function activated. 200VAC 0.3A, 30VDC 0.3A. Alarm: discontinuity across B-C (continuity across A-C), norm al : continuity across B-C (discontinuity across A-C).

RUN Inverter running

Switched low when the inverter output frequency is equal to or higher than the starting frequency (factory set to 0.5Hz, variable). Switched high during stop or DC dynamic brake operat i on (*2). Permissible load 24VDC 0.1A.

SU Up to frequency

Switched low when the output frequency has reached within

10% of the set frequency (fact o ry setting, variable). Switched high during acceleration, deceleration or s t op (*2). Permissible load 24VDC 0.1A.

OL Overload alarm

Switched low when the stall prevention function has c aus ed stall prevention to be activated. Switched high when stall prevention is reset (*2). Permissible load 24VDC 0.1A.

IPF

Instantaneous power failure

Switched low when instantaneous power failure or undervoltage protection is activated (*2). P ermissible load 24VDC 0.1A.

FU Frequency detection

Switched low when the output frequency has reached or exceeded the detection frequency set as appropriate. Switched high when below the detection frequency (*2). Permiss i bl e l oad 24VDC 0.1A

Output terminal function selection (Pr. 190 to Pr. 195) change terminal functions.

Open collector

Open collector output common

Common to the RUN, SU, OL, I P F and F U t erminals.

Pulse

FM For meter

Factory setting of output item:

Frequency Permissible load current 1mA 1440 pulses/second at 60Hz

Output signals

Analog

AM Analog signal output

One selected from 16 monitoring items, s uch as output frequency, is output. (*3) The output signal is proportional to the magnitude of each monitoring item.

Factory setting of output item:

Frequency Output signal 0 to 10VDC Permissible load current 1mA

Communication

RS-485



PU connector

With the operation panel connector, communication can be made through RS-485.

Conforming Standard : EIA Standard RS -485

Transmission format : Multi-drop link

Communication speed : Maximum 19200 baud rat es

Overall length : 500m

*1: Terminals PR and PX are provided for the FR-A520-0.4K to 7.5K, FR-A540-0.4K to 7.5K. *2: Low indicates that the open collector outputting transistor is on (conducts). High indicates that the

transistor is off (does not conduct).

*3: Not output while the inverter is reset.

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Page 23

INSTALLATION AND WIRING

2.2.2 Wiring of the main circuit

(1)

Wiring instructions

1) Crimping terminals with insulation sleeves are recommended for use with the power and motor cables.

2) Cut the protective bushes of the wiring cover when running the cables. (22K or less)

3) Power must not be applied to the output terminals (U, V, W) of the inverter . Otherwise the inverter will be damaged.

4) After wiring, wire off-cuts must not be left in the inverter. Wire off-cuts can cause an alarm, failure or malfunction. Always keep the inverter clean. When drilling mounting holes in a control box etc., exercise care to prevent chips and other foreign matter from entering the inverter.

5) Use cables of the recommended size for wiring to make the voltage drop 2% or less. If the wiring distance is long between the inverter and motor, a main circuit cable voltage drop will cause the motor torque to decrease especially at the output of a low frequency.

6) The overall wiring length should be 500m (1640.40feet) maximum. Especially for long distance wiring, the overcurrent protection may be misactivated or the devices connected to the output side may misoperate or become faulty under the influence of a charging current due to the stray capacitance of the wiring. Therefore, the maximum overall wiring length should be as indicated in the following table. (When two or more motors are connected to the inverter, the total wiring length should be within the indicated value.)

Inverter Capacity 0.4K 0.75K 1.5K or more Non-low acoustic noise mode 300m (984.24 feet) 500m (1640.40 feet) 500m (1640.40 feet) Low acoustic noise mode 200m (656.16 feet) 300m (984.24 feet) 500m (1640.40 feet)

Overall wiring length (1.5K or more)

300m (984.24 feet) + 300m (984.24 feet) = 600m (1968.48 feet)

500m (1640.40 feet) maximum

300m

(984.24 feet)

300m

(984.24 feet)

7) Connect only the recommended optional brake resistor between the terminals P and PR 〈+ and PR〉. These terminals must not be shorted.

8) Electromagnetic wave interference The input/output (main circuit) of the inverter includes harmonic components, which may interfere with the communication devices (such as AM radios) used near the inverter. In this case, install the FR-BIF optional radio noise filter (for use in the input side only) or FR-BSF01 or FR-BLF line noise filter to minimize interference.

9) Do not install a power capacitor, surge suppressor or radio noise filter (FR-BIF option) in the output side of the inverter. This will cause the inverter to trip or the capacitor and surge suppressor to be damaged. If any of the above devices are installed, immediately remove them. (If the FR-BIF radio nois e filter is connected, switching power off during motor operation may result in E.UVT. In this case, connect the radio noise filter in the primary side of the electromagnetic contactor.)

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Page 24

INSTALLATION AND WIRING

10) When rewiring after operation, m ake sure that the POW ER lam p has gone off, and when more than 10

minutes have elapsed after power-off, chec k with a tester that the voltage is zero. After that, s tart rewiring work. For some time after power-off, there is a dangerous voltage in the capacitor.

11) Use the space on the left-hand side of the m ain circuit terminal block to run the cable for c onnection of

the control circuit power terminals R1, S1 〈L

, L

〉

of the FR-A520-11K.

UVW

R1 S1

Screw size (M5)

Connection cable

Charge lamp

〈L3〉

〈L1〉S〈L2〉

〈−〉 〈+〉

〈L11〉〈L21〉

CAUTION

Do not use residual current protective device as the only protection against indirect contact.

Protective earth connection essential. Do not connect more than 2 wires on the protective earth terminal. Use contactor and no fuse breaker EN/IEC standard compliant. Use transformer or surge absorber EN/IEC standard compliant.

Notes on Grounding

•

Leakage currents flow in the inverter. To prevent an electric shock, the inverter and motor must be

grounded (200V class...class 3 grounding, grounding resis tance 100Ω maximum), (400V clas s... special class 3 grounding, grounding resistance 10Ω or less.).

•

Use the dedicated ground terminal to ground the inverter. (Do not us e the screw in the case, chass is,

etc.)

(Unit: mm2)

Ground Cable Gauge

Motor Capacity

200V class 400V class

3.7kW (5HP) or less 3.5 2

5.5k, 7.5Kw (7.5HP, 10HP) 5.5 3.5 11 to 15Kw (15 to 20HP) 14 8

18.5 to 37kW (25 to 50HP) 22 14 45, 55Kw (60, 75HP) 38 22

•

The ground cable should be as thick as possible.

Its gauge should be equal to or larger than those indicated in the following table. The grounding point should be as near as possible to the inverter to minimize the ground cable length.

•

Ground the motor on the inverter side using one

wire of the 4-core cable.

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Page 25

INSTALLATION AND WIRING

(2)

Terminal block layout

In the main circuit of the inverter, the terminals are arranged as shown below:

1) 200V class FR-A520-0.4K, 0.75K

RR1STUVWPR

S1 N P1 P

(M4)

Jumper

Screw size(M4)

Charge lamp

FR-A520-15K, 18.5K, 22K

RSTUVWNP1P

R1 S1

Screw size 15K(M6)

18.5K,22K(M8) Jumper

Charge lamp

Screw size (M4)

Screw size (M6)

FR-A520-1.5K, 2.2K, 3.7K

RR1STUVW PR

NP1P

(M4)

Jumper

Screw size (M4)

Charge lamp

FR-A520-30K

RST UVW

R1 S1

N P1 P

Charge lamp

Screw size (M4)

Screw size (M8)

Screw size (M6) Jumper

FR-A520-5.5K, 7.5K

RNSTUVW

P1 P PR PX

R1RS1

(M5)

Jumpers

Charge lamp

Screw size (M4)

Screw size(M5)

FR-A520-37K, 45K

RST UVW

R1 S1

N P1 P

Charge lamp Screw size (M4)

Screw size (M10)

Screw size (M8)

Jumper

FR-A520-11K

RNSTUVW

P1 P

R1RS1

Jumper

Screw size (M4)

Charge lamp

Screw size (M5)

crew size (M5)

FR-A520-55K

RSTUVW

R1 S1

N P1 P

Charge lamp

Screw size (M4)

Screw size (M12)

Screw size (M8)

Jumper

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Page 26

INSTALLATION AND WIRING

2) 400V class FR-A540-0.4K, 0.75K, 2.2K, 3.7K

UVW PRP1

(M4)

Screw size (M4)

Jumper

Charge lamp

〈L1〉S〈L2〉T〈L3〉

〈–〉P〈+〉

〈

〉S1〈

〉

FR-A540-30K

UVW P1

Jumper

Screw size (M4)

Screw size (M6)

Charge lamp

〈L2〉R〈L1〉T〈L3〉

〈L1〉S〈L2〉

〈L11〉S1〈L12〉

〈–〉P〈+〉

FR-A540-5.5K, 7.5K

UVW

P1 PR PX

(M5)

Screw size (M4)

Charge lamp

Screw size (M4)

Jumpers

〈

〉S〈

〉T〈

〉

〈–〉

〈+〉

〈L1〉S〈L2〉

〈L11〉S1〈L12〉

FR-A540-37K, 45K, 55K

〈

〉R〈

〉

UVW P1

Jumper

Screw size (M4)

Screw size (M8)

Charge lamp

〈

〉

〈L1〉S〈L2〉

〈L11〉S1〈L12〉

〈–〉P〈+〉

FR-A540-11K, 15K, 18.5K, 22K

〈

〉

UVW P1

Jumper

Screw size (M4)

Charge lamp

Screw size (M6)

〈

〉T〈

〉

〈L1〉S〈L2〉

〈L11〉S1〈L12〉

〈–〉P〈+〉

Note: 〈 〉 Terminal names in parentheses are those of the EC version.

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Page 27

INSTALLATION AND WIRING

(3)

Cables, crimping terminals, etc.

The following table lists the cables and crim ping terminals used with the inputs (R, S, T) 〈L1, L2, L

〉

and

outputs (U, V, W) of the inverter and the torques for tightening the screws:

Cables (Note 1)

Crimping Terminals

AWG PVC

Applicable Inverter Type

Terminal

Screw

Size

Tightening

Torque Kgf⋅cm

(N⋅m)

R, S, T

〈

L1, L2, L3

〉

U, V, W

R, S, T

〈

L1, L2, L3

〉

U, V, W

R, S, T

〈

L1, L2, L3

〉

U, V, W

R, S, T

〈

L1, L2, L3

〉

U, V,

FR-A520-0.4K to 2.2K M4 15 (1) 2-4 〈2.5-4〉2-4 〈2.5-4

〉

2 2 14 14 2.5 2.5

FR-A520-3.7K M4 15 (1) 5.5-4 〈4-4〉5.5-4 〈2.5-4

〉

3.5 3.5 12 12 4 2.5

FR-A520-5.5K M5 26 (2) 5.5-5 〈6-5〉5.5-5 〈4-5

〉

5.5 5.5 10 10 6 4

FR-A520-7.5K M5 26 (2) 14-5 〈16-5〉8-5 〈6-5

〉

14 8 6 8 16 6

FR-A520-11K M5 26 (2) 14-5 〈16-5〉14-5 〈16-5

〉

14 14 6 6 16 10

FR-A520-15K M6 45 (4) 22-6 〈35-6〉22-6 〈16-6

〉

22 22 4 4 35 16

FR-A520-18.5K M8 80 (7) 38-8 〈35-8〉38-8 〈25-8

〉

38 38 2 2 35 25

FR-A520-22K M8 80 (7) 38-8 〈70-8〉38-8 〈35-8

〉

38 38 2 2 70 35

FR-A520-30K M8 80 (7) 60-8 〈95-8〉60-8 〈30-8

〉

60 60 1/0 1/0 95 50 FR-A520-37K M10 150 (14) 100-10 〈95-8〉100-10 〈70-8〉100 100 4/0 4/0 75 70 FR-A520-45K M10 150 (14) 100-10 100-10 〈95-40〉100 100 4/0 4/0

−−

FR-A520-55K M12 250 (24) 150-12 150-12 〈110-12〉150 150 MCM300 MCM300

−−

FR-A540-0.4K to 3.7K M4 15 (1) 2-4 〈2.5-4〉2-4 〈2.5-4

〉

2 2 14 14 2.5 2.5

FR-540-5.5K M4 15 (1) 5.5-4 〈4-4〉2-4 〈2.5-4

〉

3.5 2 12 14 4 2.5

FR-540-7.5K M4 15 (1) 5.5-4 〈4-4〉5.5-4 〈4-4

〉

3.5 3.5 12 12 4 4

FR-540-11K M6 45 (4) 5.5-6 〈6-6〉5.5-6 〈6-6

〉

5.5 5.5 10 10 6 6

FR-540-15K M6 45 (4) 14-6 〈16-6〉8-6 〈10-6

〉

14 8 6 8 16 10 FR-540-18.5K M6 45 (4) 14-6 〈16-6〉8-6 〈10-6

〉

14 8 6 8 16 10 FR-540-22K M6 45 (4) 22-6 〈25-6〉14-6 〈16-6

〉

22 14 4 6 25 16 FR-540-30K M6 45 (4) 22-6 〈25-6〉22-6 〈25-6

〉

22 22 4 4 25 25 FR-540-37K M8 80 (7) 38-8 〈37-8〉22-8 〈25-8

〉

38 22 2 4 35 25 FR-540-45K M8 80 (7) 38-8 〈50-8〉38-8 〈35-8

〉

38 38 2 2 50 35 FR-540-55K M8 80 (7) 60-8 〈70-8〉60-8 〈50-8

〉

60 60 1/0 1/0 70 50

Note: 1. The cables used should be 75°C (167°F) copper cables.

2. Tighten the terminal screws to the specified torques. Undertightening can cause a short or misoperation. Overtightening can cause the screws and unit to be damaged, resulting in a short or misoperation.

(4)

Connection of the power supply and motor

Ground

Ground terminal

Power supply

UVW

Motor

No-fuse breaker

The power supply cables must be connected to R, S, T

〈

, L2, L

〉

. If they are connected to U, V, W, the inverter will be damaged. Phase sequence need not be matched. For use with a single-phase power supply,the power supply cables must be connected to R and S 〈L

and L

〉

Connect the motor to U, V, W. In the above connection, turning on the forward rotation switch (signal) rotates the motor in the counterclockwise (arrow) direction when viewed from the load shaft.

〈

〉S〈

〉T〈

〉

〈

〉S〈

〉T〈

〉

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INSTALLATION AND WIRING

(5)

Connecting the control circuit to a power supply separately from the main circuit

If the magnetic contactor (MC) in the inverter power supply is opened when the protective circuit is oper ated, the inverter control circuit power is lost and the alarm output signal cannot be k ept on. To keep the alarm signal on terminals R1 and S1 are available. In this case, c onnec t the power supply terminals R1 and S1 〈L

and L

〉

of the control circuit to the primary side of the MC.

• Model FR-A520-0.4K to 3.7K, FR-A540-0.4K to 3.7K

R 〈L1〉

S 〈L2〉

T 〈L3〉

R1 〈L11〉

S1 〈L21〉

4) Connect the separate power supply cables for control circuit to the lower terminals (R1, S1 〈L11, L21〉). (Note 4)

Terminal block for main circuit

1) Loosen the upper screws

2) Remove the lower screws.

3) Remove the jumpers.

• Model FR-A520-5.5K to 55K, FR-A540-5.5K to 55K

1) Loosen the upper screws.

2) Remove the lower screws.

3) Pull out and remove the jumper.

4) Connect the separate power supply cables for control circuit to the upper terminals (R1, S1 〈L11, L21〉). (Note 4)

Power supply terminal block for control circuit

Main power supply

Power supply terminal block for control circuit

〈

〉S〈

〉T〈

〉

〈

〉S1〈

〉

Note: 1. When the main circuit power (R, S, T ) 〈L1 L2, L

〉

is on, do not switch off the control power

(terminals R1, S1 〈L

, L

〉

). Otherwise the inverter may be damaged.

2. W hen using a separate power supply, the jumpers acros s R-R1 and S-S1 〈L

and L

〉

must be removed. Otherwise the inverter may be damaged.

3. For a diff erent power supply system which takes the power of the control c ircuit from other than the primary side of the MC, the voltage should be equal to the main circuit voltage.

4. For the FR-A520-5.5K to 55K, FR-A540-5.5K to 55K, the power supply cables must not be connected to the lower terminals. If connected, the inverter may be damaged.

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INSTALLATION AND WIRING

2.2.3 Wiring of the control circuit

(1)

Wiring instructions

1) Terminals SD, SE and 5 are com mon to the I/O signals and isolated from each other . These common terminals must not be connected to each other or earthed.

2) Use shielded or twisted cables for connection to the control circuit terminals and run them away from the main and power circuits (including the 200V relay sequence circuit).

3) The frequency input signals to the control circuit are m icro currents . W hen contacts are required, use two or more parallel micro signal contacts or a twin contact to prevent a contact fault.

4) It is recommended to use the cables of 0.75mm

gauge for connection to the control circuit term inals.

If the cable gauge used is 1.25mm

or more, the front cover may be lifted when there are many cables

running or the cables are run improperly, resulting in an operation panel or parameter unit contact fault.

(2)

Terminal block layout

•

Japanese and NA version

In the control circuit of the inverter, the terminals are arranged as shown below: Terminal screw size: M3.5

SE RUN SU IPF OL FU SD STF STR JOG CS

RM RH RT AU STOP MRS RES SD FM

B C PC AM 10E 10 2 5 4 1

•

EC version

Terminal screw size: M3.5

SE RUN SU LPF OL STOP MRS RES PC STF

B C SD AM 10E 10 2 5 4 1 RL RM RH RT AU

STR JOG CS FM SDFU

1) For the wiring of the control circuit, strip the sheaths of the cables and use them as they are. Strip the sheath to the following dimension. A too long stripping dimens ion may cause a short circuit with the neighboring cable. A too short dimension may cause cable disconnection.

6mm ± 1mm

2) Loosen the terminal screw and insert the cable into the terminal.

3) Tighten the screw to the specified torque. Undertightening can cause cable disconnection or malfunction. Overtightening can cause a short circuit or malfunction due to the screw or unit damaged.

Tightening torque: 5 to 6 kgf⋅cm Note: Wire the stripped cable by twisting it to prevent it from becoming loose. (Do not plate the cable with

solder.)

Note: 1. Use a NFB (No fuse breakers) or fuse on the inverter input (primary) side.

2. Make sure that the control circuit terminal wiring does not touch power circuit terminals (or screws) or conducting power circuit.

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INSTALLATION AND WIRING

(3)

Changing the control logic

The input signals are set to sink logic f or the Japanese and NA version, and to source Logic for the EC version. To change the control logic, the connector on the back of the control circuit terminal block must be moved to the other position. (The output signals may be used in either the sink or source logic independently of the connector position.)

1) Loosen the two mounting screws in both ends of the control c ircuit terminal bloc k. (T he screws cannot be removed.) With both hands, pull down the terminal block from the back of the control circuit terminals.

2) Remove the connector from the rear surface of the control c ircuit terminal block and place in required Logic position (either Sink or Source).

SOURCE

CON3

CON2

SINK

CON1

SINK

CON3

CON2

SOURCE

SINK

CON3

CON2

SOURCE

EC version

NA and Japanese version

3) Using care not to bend the pins of the control circuit c onnector, reinstall the control circuit ter minal block and fix it with the mounting screws.

Note: 1. Make sure that the control circuit connector is fitted correctly.

2. While power is on, never disconnect the control circuit terminal block.

3. The sink -source logic change-over connec tor mus t be fitted in only one of those positions. If it is fitted in both positions at the same time, the inverter may be damaged.

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INSTALLATION AND WIRING

4) Sink logic type

•

In this logic, a signal switches on when a current flows out of the corresponding signal input terminal. Terminal SD is com mon to the contact input signals. Terminal SE is com mon to the open collector output signals.

STF

STR

Current

RUN

EX. A current flows out of the corresponding signal RUN

•

When using an external power supply for trans istor output, use terminal PC as a common to prevent misoperation caused by leakage current. (Do not connec t terminal SD of the inverter with term inal 0V of the external power supply.)

DC24V

RES

STR

STF

DC24V (SD)

AY40 type transistor outp ut module

Inverter

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INSTALLATION AND WIRING

5) Source logic type

•

In this logic, a signal switches on when a current flows into the corresponding s ignal input terminal. Terminal PC is com mon to the contact input signals. Terminal SE is comm on to the open collector output signals.

STF

STR

Current

RUN

EX. A current flows out of the corresponding signal RUN

•

When using an external power supply for trans istor output, use terminal SD as a comm on to prevent misoperation caused by leakage current.

AY-80

STF

STR

DC24V (SD)

DC24V

Inverter

(4)

How to use terminals "STOP", "CS" and "PC"

1) Using the "STOP" terminal A connection example (for sink logic) for self-holding the start signal (forward rotation, reverse rotation) is shown on the right.

2) Using the "CS" terminal This terminal is used to perform automatic restart after instantaneous power failure and commercial power supply-inverter switch-over operation. <Example: Automatic restart after instantaneous power failure in sink logic> Connect terminals CS-SD and set a value other than "9999" in Pr. 57 "coasting time for automatic restart after instantaneous power failure".

MRS RES

SD STF STR

STOP

Reverse rotation

Stop

Forward rotation

CS SD

(Short)

3) Using the "PC" terminal This terminal can be used as 24VDC power output using SD as a common terminal. Specifications: 18V to 26VDC, 0.1A permissible current Note that the wiring length should be within 30m. Do not short terminals PC-SD. When terminal PC is used as a 24V power supply, leakage current from transistor output cannot be prevented.

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INSTALLATION AND WIRING

2.2.4 Connection to the PU connector

(1)

When connecting the operation panel or parameter unit using a connection cable

•

Parameter unit connection cable (FR-CB2) (option) or the following connector and cable.

•

Connector: RJ45 connector

Example: 5-554720-3, Nippon AMP

•

Cable: Cable conforming to EIA568 (e.g. 10BASE-T cable)

Example: SGLPEV 0.5mm×4P, MITSUBISHI CABLE INDUSTRIES, LTD.

Note: The maximum wiring length is 20m (65.62 feet).

(2)

For RS-485 communication

With the operation panel disconnected, the PU c onnector can be used f or communic ation operation from a personal computer etc. When the PU connector is connected with a personal, FA or other computer by a comm unication cable, a user program allows the inverter to be run and monitored and the parameter values to be read and written. <PU connector pin-outs> Viewed from the inverter (receptacle side) front

1) SG

2) P5S

3) RDA

4) SDB

5) SDA

6) RD

7) SG

8) P5S

Note: 1. Do not connect the PU connector to the computer's LAN board, FAX modem socket or

telephone modular connector. Otherwise, the product may be damaged due to electrical specification differences.

2. Pins 2 and 8 (P5S) provide power to the operation unit or parameter unit. Do not use these pins for RS-485 communication.

1) When a computer having a RS-485 interface is used with several inverters

PU connectorPU connector

Computer

Inverter

Station 1

PU connector

Inverter

Station 2

Inverter

Station n

RS-485 interface/terminal

omputer

10BASE-T cable

Terminal resistor jumper

Distribution terminal

Note: 1. Use the connector and cables which are available on the market.

Connector: RJ45 connector

Example: 5-554720-3, Nippon AMP Co., Ltd.

Cable: Cable conforming to EIA568B (such as 10BASE-T cable)

Example: SGLPEV 0.5mm×4P, Mitsubishi Cable Industries, Ltd.

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INSTALLATION AND WIRING

2) When a computer having a RS-232C interface is used with inverters

Computer

Inverter

Station 1

PU connector

Inverter

Station 2

PU connector

Inverter

Station n

PU connector

Terminal resistor jumper

Max. 15m

RS-232C connector RS-232C cable

RS-485 terminal

*Converter

*Converter available on the market is required.

10BASE-T cable

Distribution terminal

Note: 1. Use the connector, cables and converter which are available on the market.

Connector: RJ45 connector

Example: Nippon AMP Co., Ltd.

Cable: Cable conforming to EIA568B (such as 10BASE-T cable)

Example: SGLPEV 0.5mm×4P, Mitsubishi Cable Industries, Ltd.

RS-485/RS-232C converter

Example: FA-T-RS40, Industrial System Div., Mitsubishi Electric Engineering Co., Ltd.

or : Cable with built-in interface DAFXI-CAB series, Connector conversion cable DINV-485CAB, Dia Trend Co., Ltd.

1) Wiring of one computer and one inverter

Computer Side Terminals

Signal name Description

RDA RDB SDA SDB RSA RSB CSA CSB

SG FG

Receive data Receive data

Send data

Send data Request to send Request to send

Clear to send

Signal ground Frame ground

PU connector

SDA SDB RDA RDB RDR

∗1 Terminal resistor jumper

0.3mm or more

Cable connection and signal direction

10BASE-T Cable

Inverter

2) Wiring of one computer and "n" inverters (several inverters)

Computer

RDA RDB SDA SDB RSA RSB CSA CSB

SG FG

Station 1

RDB

RDA

SDB

SDA

Station 2

RDB

RDA

SDB

SDA

Station 3

RDR

RDB

RDA

SDB

SDA

Terminal resistor jumper (*1)

Inverter

Inverter Inverter

Note: 1. Connect the terminal resistor jumper only to the inverter remotest from the computer. (Terminal resistor: 100 Ω)

2. Make connections in accordance with the instruction manual of the computer used. Fully check the terminal numbers of the computer as they differ between models.

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INSTALLATION AND WIRING

2.2.5 Connection of stand-alone option units

The inverter accepts a variety of stand-alone option units as required. Incorrect connection will cause inverter dam age or accident. Connect and operate the option unit car efully in accordance with the corresponding option unit manual.

(1)

Connection of the dedicated external brake resistor (option)

The built-in brake resistor is connected across terminals P 〈+〉 and PR. Fit the external dedicated brake resistor (option) instead when the built-in brake resistor does not have enough therm al c apability for high-duty operation. Remove the jumper from across terminals PR-PX and connect the dedicated brake resistor (option) across terminals P-PR 〈+ -PR〉. (For the positions of terminals P and PR, refer to the terminal block arrangement (page14 and 15).)

Note: 1. The brake resistor connected should only be the dedicated brake resistor.

2. The jumper across terminals PR-PX must be disconnected before connecting the dedicated brake resistor. A failure to do so may damage the inverter.

• Model...............FR-A520-0.4K to 3.7K, FR-A540-0.4K to 3.7K

1) Remove the screws in terminals PR and PX and remove the jumper.

2) Connect the brake resistor across terminals P-PR 〈+ -PR〉. (The jumper should remain disconnected.)

Removal of jumper FR-A520-0.4K, 0.75K

FR-A520-1.5K to 3.7K FR-A540-0.4K to 3.7K

Terminal PX

Terminal PR

Jumpe

Terminal PR

Terminal P

• Model ...............FR-A520-5.5K, 7.5K, FR-A540-5.5K, 7.5K

1) Remove the screws in terminals PR and PX and remove the jumper.

2) Connect the brake resistor across terminals P-PR 〈+ -PR〉. (The jumper should remain disconnected.)

Removal of jumper

FR-A520-5.5K, 7.5K FR-A540-5.5K, 7.5K

Jumper

erminal PR

Terminal PX

Terminal PR

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INSTALLATION AND WIRING

(2)

Connection of the FR-BU brake unit (option)

Connect the optional FR-BU brake unit as shown below to improve the braking capability during deceleration.

R 〈L1〉 S 〈L2〉 T 〈L3〉

〈+〉 P 〈–〉

PR PX

P/+ N/-

HA HB

Brake unit FR-BU-(H)

Resistor unit FR-BR-(H)

THS TH2

TH1

PPR

OFF

Remove jumper.

Inverter

Motor

T (Note 4)

Note: 1. Connect the inverter terminals (P, N) 〈+, −〉 and FR-BU brake unit terminals so that their term inal

signals match with each other. (Incorrect connection will damage the inverter.) For model 7.5K or less, the jumper across terminals PR-PX must be removed.

2. The wiring distance between the inverter, br ake unit and r esistor unit should be within 5m ( 16.40 feet). If twisted wires are used, the distance should be within 10m (32.8 feet).

3. If the transistors in the brake unit should fail, the resis tor will be extremely hot, causing a fire. Therefore, install a magnetic c ontac tor on the inver ter's power s upply side to shut off a current in case of failure.

4. For the power supply of 400V class, install a voltage-reducing transformer.

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INSTALLATION AND WIRING

(3)

Connection of the conventional BU brake unit (option)

Connect the BU brake unit correctly as shown on the right. Incorrect connection will damage the inverter.

R 〈L

〉

S 〈L2〉 T 〈L

〉

U V W

Inverter

HCHBHA TB

HC HB

OFF

P 〈+〉 N 〈–〉

OCR

NFB

Brake unit

Remove jumpers.

Discharge resistor

Constant-voltage power supply

BU brake unit

Comparator

Motor

T (Note 4)

Note: 1. For models 7.5K or less, remove the jumper across terminals PR-PX.

2. The wiring distance between the inverter, brake unit and discharge resistor should be within 2m (6.56 feet). If twisted wires are used, the distance should be within 5m (16.40 feet).

3. If the transistors in the brake unit should fail, the resis tor will be extremely hot, causing a fire. Therefore, install a magnetic c ontactor on the inverter's power supply side to shut off curr ent in case of failure.

4. For the power supply of 400V class, install a voltage-reducing transformer.

(4)

Connection of the FR-HC high power factor converter (option)

When connecting the high power factor converter ( FR-HC) to suppress power harmonics, wire as shown below. Wrong connection will damage the high power factor converter and inverter. After making sure that the wiring is correct, set "2" in Pr. 30 "regenerative function selection".

X10 (Note 3) X11 (Note 3) N 〈–

〉

P 〈+〉 R1 〈L

〉

S1 〈L21〉

RES

T 〈L

〉

S 〈L2〉 (Note 1)

R 〈L1〉

NFB

R S T R4 S4 T4 N P Y1 or Y2 RDY RSO SE

Inverter

(FR-A500)

(Note 1)

High power factor converter

From FR-HCL02

Power supply

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INSTALLATION AND WIRING

Note: 1. Remove the jumpers across the R-R1 and S-S1 〈L

R1 and L

S1〉 terminals of the inverter, and

connect the control circuit power supply across the R1-S1 〈L

〉

terminals. The power input

terminals R, S, T 〈L

, L2, L

〉

must be open. Incorrect connection will damage the inverter. Reverse polarity of terminals N (−), P (+) will damage the inverter.

2. The voltage phases of term inals R, S, T 〈L

, L2, L

〉

and terminals R4, S4, T4 mus t be matched

before connection.

3. Use Pr. 180 to Pr. 186 (input ter minal function selection) to assign the term inals used with the X10 and X11 signals.

4. W hen the FR-HC is connected, use sink logic (factory setting). For source logic, the FR-HC cannot be connected. (For the EC version, select the sink logic.)

(5)

Connection of the FR-RC power return converter (option)

(For power coordination, always install the power factor improving reactor (FR-BAL).) When connecting the FR- RC power return conver ter, connec t the inverter term inals (P, N) and F R-RC power return converter terminals as shown below so that their signals match with each other. Af ter m ak ing sur e that the wiring is correct, set "0" in Pr. 30 "regenerative function selection".

NFB FR-BAL

R/L1 S/L2 T/L3

P/+

N/−

FR-RC power return converter

Power supply

Inverter

〈

〉S〈

〉T〈

〉

Note: 1. For models 11K or less, the jumper across terminals PR-PX must be removed.

2. How to connect the FR-BAL power factor improving AC reactor (option) When using two or more inverters in the same system, small impedance between the inverters will cause a regenerative current from the power return converter to leak into the other inverters, resulting in overcurrent alarm of the other inverters. To prevent this, install a power factor improving AC reactor on the power supply side for all the inverters.

(6)

Connection of the power factor improving DC reactor (option)

Connect the FR-BEL power factor improving DC reactor between terminals P1-P 〈P1-

+〉

. In this

case, the jumper connected acros s terminals P1-P

〈

- +〉

must be removed. Otherwise, the reactor

will not function.

•

FR-BEL

Remove the jumper.

〈+〉

Note: 1. The wiring distance should be within 5m.

2. The size of the cables used should be equal to or larger than that of the power supply cables (R, S, T) 〈L

, L2, L

〉

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INSTALLATION AND WIRING

2.2.6 Design information

1) For commercial power supply-inverter switch-over operation, provide electrical and mechanical interlocks for MC1 and MC2 designed for commercial power supply-inverter switch-over. When there is a commercial power supply-inverter switch-over circuit as shown below, the inverter will be damaged by leakage current from the power supply due to arcs generated at the time of switch-over or chattering caused by a sequence error.

2) If the machine must not be restarted when power is restored after a power failure, pr ovide a magnetic contactor in the inverter's primar y circuit and also make up a sequence which will not switch on the s tart signal. If the start signal (start switch) rem ains on after a power failure, the inver ter will automatically restart as soon as the power is restored.

3) When the power supply used with the control circuit is dif ferent from the one used with the main c ircuit, make up a circuit which will switch off the main circ uit power supply terminals R, S, T 〈L

, L2, L

〉

when the

power supply terminals R1, S1 〈L

, L

〉

for the control circuit are switched off.

4) Since the input signals to the control circuit are on a low level, use two parallel micro signal contac ts or a twin contact for contact inputs to prevent a contact fault.

5) Do not apply a large voltage to the contact input terminals (e.g. STF) of the control circuit.

6) Do not apply a voltage directly to the alarm output signal terminals (A, B, C). Always apply a voltage to these terminals via a relay coil, lamp, etc.

7) Make sure that the specifications and rating match the system requirements.

1) Commercial power supply-inverter switch-over

U V

R (L1)

S (L

)

T (L

)

MC2

MC1

Interloc

Leakage current

Inverter

Power supply

4) Low-level signal contacts

Twin contact

ow-level signal contacts

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2.3 Other wiring

INSTALLATION AND WIRING

2.3 Other wiring

2.3.1 Power harmonics

Power harmonics may be generated from the converter section of the inverter, affecting power supply equipment, power capacitors, etc. Power harmonics are different in generation source, frequency and transmission path from radio frequency (RF) noise and leakage currents. Take the following measures.

•

The differences between harmonics and RF noise are indicated below:

Item Harmonics RF Noise Frequency Normally 40 to 50th degrees, 3kHz or les s High frequency (several 10k Hz to MHz order) Environment To wire paths, power impedance Acc ros s spaces, distance, laying paths Quantitative understanding Logical computation is possible Occurs randomly, quantitative understandi ng i s difficult.

Generated amount Approximately proportional to load capacity

According to current fluctuat ion rate (larger with faster

switching) Immunity of affected device Specified in standards for each device. Differs according to m aker’s device specifications. Example of safeguard Inst al l a reactor Increase the distance.

•

Safeguard

The harmonic current generated from the inverter to the power supply differs according to various conditions such as the wiring impedance, whether a power factor improving reactor is used or not, and output frequency and output current on the load side. For the output frequency and output current, the adequate method is to obtain them under rated load at the m aximum operating frequency.

NFB

IMInverter

Power factor improving DC reactor

Motor

Do not insert power factor improving capacitor

Power factor improving AC reactor

Note: A power factor im proving capacitor or sur ge suppressor on the inverter’s output may overheat or be

damaged due to the harmonics of the inverter output. Also, when an overcurrent flows in the inverter, the overcurrent protection is activated, Hence, when the motor is driven by the inverter, do not install a capacitor or surge suppressor on the inverter’s output. To im prove the power fac tor, inser t a power factor improving reactor in the inverter’s input or DC circuit.

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INSTALLATION AND WIRING

2.3.2 Japanese harmonic suppression guidelines

Harmonic currents flow from the inverter to a power receiving point via a power trans former. The harm onic suppression guidelines were established to protect other consumers from these outgoing harmonic currents.

1) "Harmonic suppression guideline for household appliances and general-purpose products" This guideline was issued by the Ministry of International Trade and Industries in Septem ber, 1994 and applies to 200V class inverters of 3.7k W (5HP) and less. By installing the FR-BEL or FR-BAL power f actor improving reactor, inverters comply with the "harmonic suppres sion techniques for transis torized inverters (input current 20A or less)" established by the Japan Electrical Manufacturers' Association. Therefore install the optional reactor for the 200V class, 3.7kW (5HP) or less inverter.

2) "Harmonic suppression guideline for specific consumers" This guideline sets forth the maximum values of harmonic currents outgoing from a high-voltage or especially high-voltage consumer who will install, add or renew harmonic generating equipment. If any of the maximum values are exceeded, this guideline requires that consumer to take certain suppression measures.

Table 1 Maximum Values of Outgoing Harmonic Currents per 1kW Contract Power

Received Power

Voltage

5th 7th 11th 13th 17th 19th 23rd Over 23rd

6.6kV 3.5 2.5 1.6 1.3 1.0 0.9 0.76 0.70 22kV 1.8 1.3 0.82 0.69 0.53 0.47 0.39 0.36 33kV 1.2 0.86 0.55 0.46 0.35 0.32 0. 26 0.24

(1)

Application of the harmonic suppression guideline for specific consumers

New installation/addition/renewal of equipment

Sum of equivalent capacities

Over reference capacity

Is outgoing harmonic cur-

rent equal to or lower than

maximum value

Over maximum value

Not more than maximum value

Not more than reference capacity

Calculation of equivalent capacity sum

Calculation of outgoing harmomic current

Harmomic suppression technique is required.

Harmomic suppression technique is not required.

Table 2 Conversion Factors for FR-A500 Series

Class Circuit Type Conversion Factor

Without reactor K31 = 3.4 With reactor (AC side) K32 = 1.8 With reactor (DC side) K33 = 1.8

3-phase bridge (Capacitor-smoothed)

With reactors (AC, DC sides) K34 = 1.4

5 Self-exciting 3-phase bridge When high power factor converter is used K5 = 0

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INSTALLATION AND WIRING

Table 3 Equivalent Capacity Limits

Received Power Voltage Reference Capacity

6.6kV 50kVA

22/33kV 300kVA

66kV or more 2000kVA

Table 4 Harmonic Content (Values at the fundamental current of 100%)

Reactor 5th 7th 11th 13th 17th 19th 23rd 25th

Not used 65 41 8.5 7.7 4.3 3.1 2.6 1.8 Used (AC side) 38 14. 5 7.4 3.4 3.2 1.9 1.7 1.3 Used (DC side) 30 13 8.4 5.0 4.7 3.2 3.0 2.2 Used (AC, DC sides) 28 9.1 7.2 4.1 3.2 2.4 1.6 1.4

1) Calculation of equivalent capacity (P0) of harmonic generating equipment The “equivalent capacity” is the capacity of a 6-pulse converter converted from the capacity of consumer’s harmonic generating equipment and is calculated with the following equation. If the sum of equivalent capacities is higher than the limit in Table 3, harmonics must be calculated with the following procedure:

P0 = Σ (Ki × Pi) [kVA] Ki: Conversion factor (refer to Table 2) Pi: Rated capacity of harmonic generating equipment* [kVA] I : Number indicating the conversion circuit type

*: Rated capac

ity: Determined by the capacity of the applied motor and found in Table 5. It should be noted that the rated capacity used here is used to calculate generated harmonic amount and is different from the power supply capacity required for actual inverter d

rive.

2) Calculation of outgoing harmonic current Outgoing harmonic current = fundamental wave current (value converted from received power voltage)

operation ratio × harmonic content

•

Operation ratio: Operation ratio = actual load factor × operation time ratio during 30 minutes

•

Harmonic content: Found in Table 4.

Table 5 Rated Capacities and Outgoing Harmonic Currents for Inverter Drive

Rated Current [A]

Fundamental

Wave Current

Converted from

6.6kV

Rated

Capacity

Fundamental Wave Current Converted f rom 6.6kV

(No reactor, 100% operation ratio)

Applied

Motor

(kW (HP))

200V 400V (mA) (kVA) 5th 7th 11th 13th 17th 19th 23rd 25th

0.4 (0.5) 0. 81 49 0.57 31.85 20.09 4. 165 3.773 2.107 1.519 1.274 0.882

0.75 (1) 1.37 83 0.97 53.95 34.03 7.055 6.391 3.569 2.573 2.158 1.494

1.5 (2) 2.75 167 1.95 108.6 68.47 14.20 12.86 7.181 5.177 4.342 3.006

2.2 (3) 3.96 240 2.81 156.0 98.40 20.40 18.48 10.32 7.440 6.240 4.320

3.7 (5)

Not

applied

6.50 394 4.61 257.1 161.5 33.49 30.34 16.94 12.21 10.24 7.092

5.5 (7.5) 19.1 9.55 579 6.77 376.1 237.4 49.22 44.58 24.90 17.95 15.05 10.42

7.5 (10) 25.6 12.8 776 9.07 504.4 318.2 65. 96 59.75 33.37 24.06 20.18 13.97 11 (15) 36. 9 18.5 1121 13.1 728.7 459.6 95.29 86.32 48.20 34.75 29.15 20.18 15 (20) 49. 8 24.9 1509 17.6 980.9 618.7 128.3 116.2 64.89 46.78 39.24 27.16

18.5 (25) 61.4 30.7 1860 21.8 1209 762.6 158.1 143.2 79.98 57.66 48.36 33.48 22 (30) 73. 1 36.6 2220 25.9 1443 910.2 188.7 170.9 95.46 68.82 57.72 39.96 30 (40) 98. 0 49.0 2970 34.7 1931 1218 252.5 228.7 127.7 92.07 77.22 53.46 37 (50) 121 60.4 3660 42.8 2379 1501 311.1 281.8 157.4 113.5 95.16 65.88 45 (60) 147 73.5 4450 52.1 2893 1825 378.3 342.7 191.4 138.0 115.7 80.10 55 (75) 180 89.9 5450 63.7 3543 2235 463.3 419.7 234.4 169.0 141.7 98.10

3) Harmonic suppression technique requirement If the outgoing harmonic current is higher than; maximum value per 1kW (contract power) × contract power, a harmonic suppression technique is required.

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INSTALLATION AND WIRING

4) Harmonic suppression techniques

No. Item Description

Reactor installation (ACL, DCL)

Install a reactor (ACL) in the AC side of the inverter or a react or (DCL) in its DC si de or both to suppress outgoing harmonic current s .

High power factor converter (FR-HC)

The converter circuit is switched on-off t o convert an input current waveform into a si ne wave, suppressing harmonic currents substantially. The high power factor converter (FR-HC) is used with the standard accessory.

Installation of power factor improving capacitor

When used with a series reactor, the power factor improving capacitor has an effect of absorbing harmonic currents.

Transformer multiphase operation

Use two transformers with a phase angle dif ferenc e of 30° as in Y-∆, ∆-∆ combination to provide an effect corresponding to 12 pulses, reducing low-degree harmonic currents.

5 AC filter

A capacitor and a reactor are used together to reduce impedance at specific frequencies, producing a great effect of absorbing harmonic currents.

6 Active filter

This filter detects the current of a circuit generating a harmonic current and generates a harmonic current equivalent to a difference between that current and a fundamental wave current to suppress a harmonic current at a detecti on point, providi ng a great eff ect of abs orbing harmonic currents.

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INSTALLATION AND WIRING

2.3.3 Inverter-generated noises and reduction techniques

Some noises enter the inverter causing it to misoperate and others are radiated by the inverter causing misoperation of peripheral devices. Though the inverter is designed to be insusceptible to noise, it handles low-level signals, so it requires the following basic m easures to be taken. Also, since the inver ter chops the output at a high carrier frequency, it could generate noise. If these noises cause peripheral devices to misoperate, measures s hould be taken to suppress the noise. The measures differ slightly depending on noise propagation paths.

1) Basic measures

•

Do not run the power cables (I/O cables) and signal cables of the inverter in parallel with each other and

do not bundle them.

•

Use twisted shielded cables for the detector connection and control signal cables and connect the sheathes of the shielded cables to terminal SD.

•

Ground the inverter, motor, etc. at one point.

2) Measures against noises which enter and cause misoperation of the inverter When devices which generate many noises (which use magnetic contactors, magnetic brakes, many relays, for example) are installed near the inverter and the inverter may be effected by noise, the following measures must be taken:

•

Provide surge suppressors for devices that generate noise to suppress noise.

•

Fit data line filters to signal cables.

•

Ground the shields of the detector connection and control signal cables with cable clamp metal.

3) Measures against noise which is radiated by the inverter causing misoperation of peripheral devices. Inverter-generated noise is largely classified into those radiated by the cables connected to the inverter and inverter main circuit (I/O), those electromagnetic ally and electrostatically inducted to the signal cables of the peripheral devices close to the main circuit power s upply, and those transmitted through the power supply cables.

Air-propagated noise

Magnetic induction noise

Static induction noise

Cable-propagated noise

Noise directly radiated by inverter

Noise radiated by power cables

Noise radiated by motor cables

Noise propagated through power cables

Noise from ground cable due to leakage current



Path 4),5)



Path 6)



Path 1)



Path 2)



Path 3)



Path 7)



Path 8)

Inverter-generated noise

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INSTALLATION AND WIRING

In-

verter

Sensor power supply

Receiver

Instrument

Telephone

Motor

Sensor

Noise Path Measures

1) 2) 3)

When devices which handle low-level signals and are susceptible to misoperation due to noise (such as instruments, receivers and sensors) are installed near t he inverter and their si gnal cables are cont ained in the same panel as the inverter or are run near the inverter, the devi ces may be ef fected by air-propagat ed noises and the following measures must be taken: (1) Install easily affected devi c es as far away as possible from the inverter. (2) Run easily affected signal cables as far away as possible from the inverter. (3) Do not run the signal cables and power cables (inverter I/O cables) in parallel with each other and do not

bundle them. (4) Inset line noise filters i nt o I/O and radio noise filters into input side to suppress cable-radiated noises. (5) Use shielded cables for signal cabl es and power cables and run them in individual metal conduits to reduce

further effects.

4) 5) 6)

When the signal cables are run in parallel with or bundled with t he power cables, m agnet ic and s tat ic induc tion noise may be propagated to the signal cabl es to effect the devices and the following measures must be t aken: (1) Install easily affected devi c es as far away as possible from the inverter. (2) Run easily affected signal cables as far away as possible form the inverter. (3) Do not run the signal cables and power cables (inverter I/O cables) in parallel with each other and do not

bundle them. (4) Use shield cables for signal cabl es and power cables and run them in individual metal conduits t o reduce

further effects.

When the power supplies of the peripheral devices are connected to t he power supply of t he invert er within the same line, inverter-generated noise may flow back through the power supply c ables to m isoperat e the devic es and the following measures must be taken: (1) Install the radio noise filter (FR-BIF) to the power cables (input cables) of the inverter. (2) Install the line noise filt er (FR-BLF, FR-BSF01) to the power cables (I/O cables) of the inverter.

When a closed loop circuit is formed by c onnect ing t he peripheral devic e wiring to t he invert er, leak age current may flow through the ground cable of the inverter to ef fect the device. In such a case, dis connection of the ground cable of the device may cause the devi ce to operate properly.

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INSTALLATION AND WIRING

•

Data line filter Noise entry can be prevented by providing a data line filter for the detector cable etc. Example Data line filter: ZCAT3035-1330 (TDK make)

ESD-SR-25 (Tokin make) Impedance specifications (ZCAT3035-1330)

Impedance (Ω)

10 to 100MHz 100 to 500MHz

80 150

The above impedance values are reference val ues and not guaranteed values.

34±1

TDK

39±1

Product name Lot number

Cable fixing band mounting section

Outline Dimension Drawing (ZCAT303 5-1330)

[Unit : mm]

•

Data examples

By decreasing the carrier frequency, the nois e terminal voltage* can be reduced. Use Pr. 72 to set t he carrier frequency t o a low value (1kHz). Though motor noise increases at a low carrier frequency, selection of Soft-PWM in Pr. 240 will mak e it unof f ending.

Differences between Noise Terminal Voltages

at Different Carrier Frequencies

0.1 0.3 0.5 1 3 5 10 30

100

120

FR-A520-3.7K

fc=0.7kHz

fc=14.5kHz

fc=2.0kHz Soft-PWM(Factory setting)

FR-A220E-3.7k fc=(14.5kHz)

Conditions



Motor: 3.7kW (5HP)



Average terminal voltage 0dB=1µV

120dB=1V

Noise terminal voltage (dB)

Noise frequency (MHz)

By decreasing the carrier frequency, noise will be about as low

as that of our conventional FR-Z200 series.

By using shielded cables as signal cabl es, induction noise can be reduced greatly (to 1/10 - 1/100). Induction noise can also be reduced by moving the signal cables away from the inverter output cables. (Separation of 30cm (11.81 inc hes ) reduces nois e to 1/2-1/3.) By fitting the FR-BSF01 or BLF on the inverter output side, induction noise to the signal cabl es can be reduced.

Noise Terminal Voltage of Inverter and Example

of Its Reduction by Noise ilters

0.1 0.3 0.5 1 3 5 10 3

100

120

FR-A520-3.7k(fc=0.7kHz)

FR-Z220-3.7K

Noise frequency (M H z)

Noise terminal voltage (dB)

Conditions



Motor:3.7kW ( 5HP)



Average terminal voltage 0dB=1µV

120dB=1V

Noise Induced to Signal Cables by Inverter Output Cables

100

10020 30 40 50

5cm

d(cm)

FR-BLF

FR-BSF01

(4T)

Line-to-li ne distance, d (cm)

Induction voltage (dB)

Parallel cable

Twisted pair cable

Coaxial cable

Conditions



Inverter: FR-A520-3.7K



Motor: FR-JR 4P 3.7kW (5HP)



Output frequency: 30Hz



Noise form: Normal mode

Inverter

Motor

Terminal

Measuring instrument

*Noise terminal voltage: Represents the magnitude of noise propagated from the inverter to the power supply.

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INSTALLATION AND WIRING

Example of measures against noises

FR-

BLF

FRBIF

FRBLF

Install filter (FR-BLF,FRBSF01) to inverter input side.

Control box

Reduce carrier frequency.

Install filter (FR-BLF,FR-BSF01) to inverter output side.

Use 4-core cable for motor power cable and use one cable as ground cable.

Use twisted pair shielded cable.

Sensor

Do not ground shield but connect it to signal common cable.

Do not ground control box directly. Do not ground control cable.

Control power supply

Separate inverter and power line 30cm (11.81 inches) or more (at least 10cm (3.94 inches)) from sensor circuit.

Install filter FR-BIF to inverter input side.

Inverter power supply

Power supply for sensor

Inverter

Motor

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INSTALLATION AND WIRING

2.3.4 Leakage currents and countermeasures

Due to the static capacitance existing in the inverter I/O wiring and motor, leak age currents flow through them. Since their values depend on the static capacitance, carrier frequency, etc., take the following measures.

(1)

To-ground leakage currents

Leakage currents may flow not only into the inverter's own line but also into the other line through the ground cable, etc. These leakage currents may operate earth leakage circuit breakers and earth leakage relays unnecessarily.

•

Countermeasures

⋅

Decrease the carrier frequency (Pr. 72) of the inverter.

Note that motor noise increases. Selection of Soft-PWM (Pr. 240) will make it unoffending.

⋅

By using earth leakage circuit breakers designed for harmonics and surges (e.g. Mitsubishi's Progressive

Super Series) in the inverter's own line and other line, operation can be perform ed with low noise (with the carrier frequency kept high)

•

To-ground leakage current

⋅

Note that a long wiring length will increase leakage currents. Decrease the carrier frequency of the inverter to reduce leakage currents.

⋅

Higher motor capacity leads to larger leakage currents. Larger leakage currents oc cur in 400V c lass than

in 200V class.

(2)

Line-to-line leakage currents

Harmonics of leakage currents flowing in static capacities between the inverter output cables may operate the external thermal relay unnecessarily. When the wiring length is long (50m (164.04 feet) or more) for the 400V class small-capacity model (7.5kW (10HP) or less), the external thermal relay is likely to operate unnecessarily because the ratio of the leakage current to the rated motor current increases.

•

Line-to-Line Leakage Current Data Example (200V class)

Leakage Current (mA)

Motor Capacity

(kW (HP))

Rated Motor

Current (A)

Wiring length 50m

(164.04 feet)

Wiring length 100m

(328.08 feet)

0.4 (0.5) 1.8 310 500

0.75 (1) 3.2 340 530

1.5 (2) 5.8 370 560

2.2 (3) 8.1 400 590

3.7 (5) 12.8 440 630

5.5 (7.5) 19.4 490 680

7.5 (10) 25.6 535 725

Motor: SF-J 4P Carrier frequency: 14.5Hz Cable used: 2mm

4-core

cable

* Leakage current of the 400V class is about twice larger.

NFB

Line-to-Line Leakage Current Path

Power

upply

Inverter

Thermal relay

Line static capacitances

Motor

•

Countermeasures

⋅

Use the electronic overcurrent protection (Pr. 9) of the inverter.

⋅

Decrease the carrier frequency. Note that motor noise increases. Selection of Soft-PWM (Pr. 240) will

make it unoffending. To ensure that the motor is protected against line-to-line leakage currents, it is recommended to use a temperature sensor to directly detect motor temperature.

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INSTALLATION AND WIRING

2.3.5 Inverter-driven 400V class motor

In the PWM type inverter, a surge voltage attributable to wiring cons tants is generated at the motor terminals. Especially for a 400V class motor, the surge voltage may deteriorate the insulation. W hen the 400V class motor is driven by the inverter, consider the following measures:

•

Measures

It is recommended to take either of the following measures: (1) Rectifying the motor insulation

For the 400V class motor, use an insulation-rectified motor. Specifically,

1) Specify the “400V class inverter-driven, insulation-rectified motor”.

2) For the dedicated motor such as the constant-torque motor and low-vibration motor, use the “inverter-driven, dedicated motor”.

(2) Suppressing the surge voltage on the inverter side

On the secondary side of the inverter, connect the optional surge voltage suppression filter (FR-ASF-H).

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INSTALLATION AND WIRING

2.3.6 Peripheral devices

(1)

Selection of peripheral devices

Check the capacity of the motor to be used with the inverter you purchased. Appropriate peripher al devices must be selected according to the capacity. Refer to the following list and prepare appropriate peripheral devices:

1) 200V class

No-Fuse Breaker or Earth Leakage Circuit Break er

Inverter Type

Motor Output

(kW (HP))

Power Supply

Capacity

(kVA)

Standard

With power factor improving reactor

Magnetic

Contactor

FR-A520-0.4K 0.4 (0.5) 1.5 Type NF30, NV30 5A Type NF30, NV30 5A S-N10 FR-A520-0.75K 0.75 (1) 2.5 Type NF30, NV30 10A Type NF30, NV30 10A S-N10 FR-A520-1.5K 1.5 (2) 4.5 Type NF30, NV30 15A Type NF30, NV30 15A S-N10 FR-A520-2.2K 2.2 (3) 5.5 Type NF30, NV30 20A Type NF30, NV30 15A S-N11,N12 FR-A520-3.7K 3.7 (5) 9 Type NF30, NV30 30A Type NF30, NV30 30A S-N20 FR-A520-5.5K 5.5 (7.5) 12 Type NF50, NV50 50A Type NF50, NV50 40A S-N25 FR-A520-7.5K 7.5 (10) 17 Type NF100, NV100 60A Type NF50, NV50 50A S-N35 FR-A520-11K 11 (15) 20 Type NF100, NV100 75A Type NF100, NV100 75A S-K50 FR-A520-15K 15 (20) 28 Type NF225, NV225 125A Type NF100, NV100 100A S-K65 FR-A520-18.5K 18.5 (25) 34 Type NF225, NV225 150A Type NF225, NV225 125A S-K80 FR-A520-22K 22 (30) 41 Type NF225, NV225 175A Type NF225, NV225 150A S-K95 FR-A520-30K 30 (40) 52 Type NF225, NV225 225A Type NF225, NV225 175A S-K125 FR-A520-37K 37 (50) 66 Type NF400, NV400 250A Type NF225, NV225 225A S-K150 FR-A520-45K 45 (60) 80 Type NF400, NV400 300A Type NF400, NV400 300A S-K180 FR-A520-55K 55 (75) 100 Type NF400, NV400 400A Type NF400, NV400 350A S-K220

2) 400V class

No-Fuse Breaker or Earth Leakage Circuit Break er

Inverter Type

Motor Output

(kW (HP))

Power Supply

Capacity

(kVA)

Standard

With power factor improving reactor

Magnetic

Contactor

FR-A540-0.4K 0.4 (0.5) 1.5 Type NF30, NV30 5A Type NF30, NV30 5A S-N10 FR-A540-0.75K 0.75 (1) 2.5 Type NF30, NV30 5A Type NF30, NV30 5A S-N10 FR-A540-1.5K 1.5 (2) 4.5 Type NF30, NV30 10A Type NF30, NV30 10A S-N10 FR-A540-2.2K 2.2 (3) 5.5 Type NF30, NV30 15A Type NF30, NV30 10A S-N11,S-N12 FR-A540-3.7K 3.7 (5) 9 Type NF30, NV30 20A Type NF30, NV30 15A S-N20 FR-A540-5.5K 5.5 (7.5) 12 Type NF30, NV30 30A Type NF30, NV30 20A S-N20 FR-A540-7.5K 7.5 (10) 17 Type NF30, NV30 30A Type NF30, NV30 30A S-N20 FR-A540-11K 11 (15) 20 Type NF50, NV50 50A Type NF50, NV50 40A S-N20 FR-A540-15K 15 (20) 28 Type NF100, NV100 60A Type NF50, NV50 50A S-N25 FR-A540-18.5K 18.5 (25) 34 Type NF100, NV100 75A Type NF100, NV100 60A S-N35 FR-A540-22K 22 (30) 41 Type NF100, NV100 100A Type NF100, NV100 75A S-K50 FR-A540-30K 30 (40) 52 Type NF225, NV225 125A Type NF100, NV100 100A S-K65 FR-A540-37K 37 (50) 66 Type NF225, NV225 150A Type NF225, NV225 125A S-K80 FR-A540-45K 45 (60) 80 Type NF225, NV225 175A Type NF225, NV225 150A S-K80 FR-A540-55K 55 (75) 100 Type NF225, NV225 200A Type NF225, NV225 175A S-K125

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INSTALLATION AND WIRING

(2)

Selection the rated sensitivity current for the earth leakage circuit breaker

When using the earth leakage circuit breaker with the inverter circ uit, select its rated sensitivity current as follows, independent of the carrier frequency setting:

• Progressive Super Series (Type SP, CP) Rated sensitivity current:

l∆n ≥ 10 × (lg

+ lgn + lg2 + lgm)

• Conventional NV series (Type CA, CS, SS) Rated sensitivity current:

l∆n ≥ 10 × {lg

+ lgn + 3 × (lg2+lgm)}

, lg2: leakage currents of cable path

during commercial power supply operation

lgn* : leakage current of noise filter on

inverter input side

lgm : leakage current of motor during

commercial power supply operation

100

120

23.5

5.5

8142230386080

100

150

0.1

1.5 3.7

2.2

7.5 152211373055 45

0.2

0.3

0.5

0.7

1.0

2.0

5.5 18.5

Leakage current example of 3-phase induction motor during commercial power supply operation (200V 60Hz)

Leakage current (mA)

Cable size (mm )

Motor capacity (kW)

Example of leakage current per 1kW in cable path during commercial power supply operation when the CV cable is routed in metal conduit (200V 60Hz)

Ig1 Ign Ig2 Igm

5.5mm

•~

(16.40 feet)

5.5mm

•~

70m

(229.66 feet)

ƒÓ

200V 2.2kW (3HP)

Inverter

Noise filter

Progressive Super

Series

(Type SP, CP)

Conventional NV

(Type CA, CS, SS)

5m (16.40 feet)

Leakage current Ig1

1000m (3280.80 feet)

= 0.17

Leakage current Ign

0 (without noise filter)

70m (229.66 feet)

Leakage current Ig2

1000m (3280.80 feet)

= 2.31

Motor leakage current Igm 0.18

Total leakage current 2.66 7.64

Note 1. The NV should be installed to the

primary (power supply) side of the inverter.

2. Ground fault in the secondary side of the inverter can be detected at the running frequency of 120Hz or lower.

3. If the Y connection neutral point ground fault in the inverter secondary side. The protective ground resistance of the load equipment should be 10Ω or less.

Reted sensitivity current

( ≥Ig × 10)

30 100

4. When the breaker is grounded on the secondary side of the inverter, it may be unnecessarily operated by harmonics if the effective value is less than the r ating. In this case, note that the eddy current and hysteresis loss increase and temperature rises.

* For the leakage current value of the noise filter installed on the inverter input side, contact the

corresponding filter manufacturer.

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INSTALLATION AND WIRING

2.3.7 Instructions for compliance with the UL and CSA standards

(Since we obtained the approval of the UL and CSA Standards from the UL, the products conform ing to the Standards carry the UL and cUL marks.)

(1)

Installation

The above types have been approved as products for use in enclosure and approval tests were conducted under the following conditions. In enclosure design, refer to these c onditions so that the am bient tem peratur e of the inverter becomes 50°C or less.

Inverter Type Control Box Size (Unit: mm (inches)) Vent Hole Area Cooling Fan

FR-A520-0.75K

W H D

210 × 360 × 175

(8.27 × 14.17 × 6.89)

W D

160 × 60

(6.29 × 2.36)

(top and bottom)

Not required

FR-A520-11K

W H D

320 × 400 × 240

(12.60 × 15.75 × 9.45)

W D

130 × 70

(5.12 × 2.76)

(bottom)

Install a cooling fan at top of the enclosure to suck internal air to the outside. (Fan air flow: 1.72m

/min. or more)

FR-A520-22K

Control box having the size of the inverter size plus 100mm (3.94) in W, 100mm (3.94) in H and 50mm in D

W H D

350 × 600 × 240

(13.78 × 23.62 × 9.45)

W D

330 × 70

(12.99 × 2.76)

(bottom)

Install a cooling fan at top of the enclosure to suck internal air to the outside. (Fan air flow: 3.44m

/min. or more)

FR-A520-55K

W H D

580 × 815 × 300

(

22.83 × 32.09 × 11.81

)

W D

123 × 492 (bottom)

(4.84 × 19.37)

123 × 126 (bottom × 2

)

(4.84 × 4.96)

123 × 300 (bottom × 2

)

(4.84 × 1.18)

Install cooling fans at top of the enclosure to suck internal air to the outs i de. (Fan air flow: 2 × 3.24m

/min. or more)

FR-A540-5.5K

W H D

310 × 460 × 220

(12.20 × 18.11 × 8.66)

W D

100 × 210 (top)

(3.94 × 8.27)

160 × 480 (bottom)

(2.36 × 1.89)

Not required.

FR-A540-22K

W H D

350 × 600 × 240

(13.78 × 23.62 × 9.45)

W D

330 × 70 (bottom)

(12.99 × 2.76)

Install cooling fans at top of the enclosure to suck internal air to the outs i de. (Fan air flow: 2 × 1.72m

/min. or more)

FR-A540-55K

Inverter size plus 100mm (3.94) in W, 100mm (3.94) in H and 50mm (1.97) in D

W H D

550 × 665 × 300

(

21.65 × 26.18 × 11.81

)

W D

123 × 126

(4.84 × 4.96)

(lower section has 2

ventilation ports)

Install at the upper section of the panel so that the air in the panel is blown out of the panel. (Fan capacity: 2 × 3.24m

/min. or more)

(2)

Wiring of the power supply and motor

Use the UL-approved power supply and round crimping terminals to wire the input (R, S, T) 〈L1, L2, L

〉

and output (U, V, W) terminals of the inverter. Crimp the terminals with the crimping tool recommended by the terminal manufacturer.

(3)

Fuse

On the input side, use any of the UL Class K5 fuses having the ratings as listed below:

Applicable Inverter Type Rating (A) Appli cable Inverter Type Rating (A)

FR-A520-0.4K 7.5 to 10 FR-A540-0.4K 5 FR-A520-0.75K 15 to 20 FR-A 540-0.75K 8 FR-A520-1.5K 25 to 30 FR-A540-1.5K 10 FR-A520-2.2K 30 to 40 FR-A540-2.2K 20 FR-A520-3.7K 45 to 60 FR-A540-3.7K 35 FR-A520-5.5K 75 to 90 FR-A540-5.5K 45 FR-A520-7.5K 90 to 125 FR-A540-7.5K 60 FR-A520-11K 115 to 175 FR-A540-11K 90 FR-A520-15K 190 to 225 FR-A540-15K 110 FR-A520-18.5K 225 to 300 FR-A540-18.5K 125 FR-A520-22K 265 to 350 FR-A540-22K 150 FR-A520-30K 340 to 450 FR-A540-30K 225 FR-A520-37K 375 to 500 FR-A540-37K 250 FR-A520-45K 450 to 600 FR-A540-45K 300 FR-A520-55K 600 FR-A540-55K 350

(4)

Short-circuit rating

Having been put to the short-circuit test of the UL in the AC circuit whose peak current is limited to ∗ A max., this inverter conforms to this circuit.

Inverter Type

1.5kW to 37kW (2HP to 50HP) 5,000 45kW, 55kW (60, 75HP) 10,000

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Page 53

INSTALLATION AND WIRING

2.3.8 Instructions for compliance with the European standards

(The products conforming to the Low Voltage Directive carry the CE mark.)

(1)

EMC Directive

1) Our view of transistorized inverters for the EMC Directive A transistorized inverter does not function independently. It is a component designed for installation in a control box and for use with the other equipment to control the equipment/device. Therefore, we understand that the EMC Directive does not apply directly to transistorized inverters. For this reason, we do not place the CE mark on the transistorized inverters themselves. (The CE mark is placed on inverters in accordance with the Low Voltage Directive.) The European power drive manufacturers' organization (CEMEP) also holds this point of view.

2) Compliance We understand that the transistorized inverters themselves are not covered directly by the EMC Directive. However, the EMC Directive applies to machines/equipment into which transistorized inverters have been incorporated, and these machines and equipment must carry the CE marks. Hence, we prepared the technical information "EMC Installation Guidelines" (information number BCNA21041-202) so that machines and equipment incorporating transistorized inverters may conform to the EMC Directive more easily.

3) Outline of installation method Install an inverter using the following methods: * Use the inverter with an European Standard-compliant noise filter. * For wiring between the inverter and motor, use shielded cables or run them in a metal piping and

ground the cables on the inverter and motor sides with the shortest possible distance.

* Insert a line noise filter and ferrite core into the power and control lines as required.

Full information including the European Standard-compliant nois e filter specifications are written in the technical information "EMC Installation Guidelines" (information number BCN-A21041-202). Please contact your sales representative.

(2)

Low Voltage Directive

1) Our view of transistorized inverters for the Low Voltage Directive Transistorized inverters are covered by the Low Voltage Directive.

2) Compliance We have self-confirmed our inverters as products compliant to the Low Voltage Directive and place the CE mark on the inverters.

3) Outline of instructions * In the 400V class inverters, the rated input voltage range is three-phase, 380V to 415V, 50Hz/60Hz. * Connect the equipment to the earth securely. Do not use an earth leakage circuit br eaker as an

electric shock protector without connecting the equipment to the earth. * Wire the earth terminal independently. (Do not connect two or more cables to one terminal.) * On the input side, use the recommended no- fuse break er and magnetic contactor which conform to

the EN or IEC Standard. * Use the inverter under the conditions of overvoltage category II and c ontam ination level 2 or less s et

forth in IEC664.

(a) To meet the overvoltage category II, insert an EN or IEC s tandard- c ompliant isolation transformer

or surge suppressor in the input of the inverter.

(b) To meet the contam ination level 2, ins tall the inver ter in a c ontr ol box pr otec ted agains t ingres s of

water, oil, carbon, dust, etc. (IP54 or higher).

In the input and output of the inverter, use cables of the type and size set forth in EN60204 Appendix

C. * The operating capacity of the relay outputs (terminal symbols A, B, C) should be 30VDC, 0.3A. ( The

relay outputs are basically isolated from the inverter's internal circuitry.) Details are given in the technical information "Low Voltage Direc tive Conf orm anc e Guide" (inf orm ation number BCN-A21041-203). Please contact your sales representative.

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Page 54

INSTALLATION AND WIRING

2.3.9 Earthing (EC version)

(1)

Earthing and Earth Leakage Current

(a) Purpose of Earthing

Electrical equipment usually has an Earthing Terminal, this must be connected to earth before using equipment. For protection, electric circuits are normally housed inside an insulated case. However it is impossible to manufacture insulating materials that prevent all current from leaking across them, therefore it is the function of the earth (safety earth) to prevent electric shocks when touching the case. There is however, another important earthing function, which is to prevent equipment that uses very weak signals (Audio equipment, sensors, transducers, etc.) or micro processors from being affected by Radio Frequency Interference, (RFI) from external sources.

(b) Points to remember when Earthing

As detailed above there are two entirely different types of earthing and to attempt to use the same earth for both will lead to problems. It is necessary to separate the “safety” earthing (a yellow/green wire to prevent electric shocks) from the “FRI” earthing (a braided wire strap to counter radio noise). The inverter output voltage does not take the form of a sine wave but of a modulated pulse wave form causing “noisy” leakage current due to the capacitance of the insulation. The same type of leakage current will occur in the motor due to the charging and discharging of the insulation from the high frequency wave form. This trend becomes more pronounced with higher carrier frequencies. To solve this problem it is necessary to use separate “dirty” earthing for inverter and motor installations an “clean” earting for equipment such as sensors, computers and audio equipment.

(2)

Earthing methods

Two main types of earth

1-To prevent electrical shocks

Yellow and green cable

2-To prevent RFI induced malfunction

Braided strap It is important to make a c lear distinction between these two, and to keep them separate by following the measures below. a) When possible earth the inverter independently of other equipment.

If independent earthing is not possible, use a common earthing point. Avoid connecting earthing wires together particularly on high power equipment such as motors and inverters. Independent earthing should always be used between sensitive equipment and inverters.

Other

equipment

Inverter

(a) Independent grounding

Other

equipment

Inverter

(b) common grounding (c) Grounding wire of

other e

uipment

Other

equipment

Inverter

b) Safety earths should be...

For 400V duty - Special class 3, 10Ω or less For 200V duty - Class 3, 100Ω or less

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Page 55

INSTALLATION AND WIRING

c) The safety earth should be as thick as possible, minimum thickness as stated in below table. d) The earthing point should be as close to the inverter as possible, and the wire as short as possible. e) The RFI earth should be a braided strap with a 10mm

minimum cross sectional area, and as short as

possible.

f) The earths should be as far away from input and output cables (particularly to equipment sens itive to

RFI) as possible, and any distance where they are parallel should be kept to a minimum.

g) Design in RFI prevention before installation.

(Unit: mm2)

Earth Wire Size

Motor Size

400V Class

3.7kW or less 2

5.5kW, 7.5kW 3.5

11kW to 15kW 8

18.5kW to 37kW 14 45kW, 55kW 22

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Page 56

CHAPTER 3

OPERATION

This chapter provides the basic "operation" for use of this product. Always read this chapter before using the equipment.

3.1 Pre-Operation Information........................................45

3.2 Operation.................................................................53

CHAPTER 1 OUTLINE CHAPTER 2 INSTALLATION AND WIRING CHAPTER 3 OPERATION CHAPTER 4 PARAMETERS CHAPTER 5 PROTECTIVE FUNCTIONS CHAPTER 6 SPECIFICATIONS CHAPTER 7 OPTIONS APPENDICES

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Page 57

3.1 Pre-Operation Information

OPERATION

3 OPERATION

3.1 Pre-Operation Information

3.1.1 Devices and parts to be prepared for operation

The inverter can be operated in any of the "external operation mode", "PU operation mode", "combined operation mode" and "communication operation mode". Prepare required instruments and parts according to the operation mode.

(1)

External operation mode (factory setting

)

The inverter is operated under the control of external operation signals (frequency setting potentiometer, start switch, etc.) connected to the terminal block. With input power on, switch on the s tart signal (STF, STR) to start operation.

Preparation

Start signal..................................Switch, relay, etc.

DU04 PU04

Potentiometer

Inverter

Start switch

Frequency setting signal .............0 to 5V, 0 to 10V, 4 to 20mA DC signals from a potentiom eter or outs ide

the inverter

Note: 1. Both the start signal and frequency setting signal are required to run the inverter.

(2)

PU operation mode

The inverter is operated from the keypad of the PU (FR-DU04/FR-PU04). This mode does not require the operation signals to be connected and is useful for an immediate start of operation.

Preparation

DU04 PU04

Inverter

Operation unit..............................Operation panel (FR-DU04), parameter unit (FR-PU04)

Connection cable ........................To be prepared for use of the operation unit away from the inverter.

FR-CB2 (option) or the following connector and cable available on the market: Connector : RJ45 connector Cable : Cable conforming to EIA568 (e.g. 10BASE-T cable)

(3)

External/PU combined operation mode

The inverter is operated with the external operation and PU operation modes combined in any of the following ways:

1) The start signal is set with the external signal and the frequency setting signal set from the PU; or

2) The start signal is set with the run com m and k ey of the PU (FR-DU04/FR-PU04) and the frequenc

setting signal set with the external frequency setting potentiometer.

3) Set "3" in Pr. 79 "operation mode selection".

PU PU

Potentiometer

Inverter

Start swit ch

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Page 58

OPERATION

Preparation

Start signal ..................................Switch, relay, etc. (for 1)

Frequency setting signal .............0 to 5V, 0 to 10V, 4 to 20mA DC signals from a potentiom eter or outs ide

the inverter (for 2)

Operation unit..............................Operation panel (FR-DU04), parameter unit (FR-PU04)

Connection cable ........................To be prepared for use of the operation unit away from the inverter

FR-CB2 (option) or the following connector and cable available on the market: Connector : RJ45 connector Cable : Cable conforming to EIA568 (e.g. 10BASE-T cable)

3) Combined operation mode

Change the setting of Pr. 79 "operation mode selection" as follows:

Description

Setting

Running frequency setting Start signal

PU (FR-DU04/FR-PU04)

· Direct setting and [UP/DOWN] key setting

Terminal signal

· STF

· STR

Terminal signal

·0 to 5VDC across 2-5

·0 to 10VDC across 2-5

·4 to 20mADC across 4-5

·Multi-speed selection (Pr. 4 to P r. 6, Pr. 24

to Pr. 27, Pr. 232 to Pr. 239)

·Jog frequency (Pr. 15)

Parameter unit

· [FWD] key

· [REV] key

(4)

Communication operation mode

Communication operation can be perf ormed by connecting a personal com puter and the PU connector with the RS-485 communication cable. The inverter setup software is available as an FR-A500 inverter start-up support software package.

Preparation

Connection cable ........................Connector : RJ45 connector

Cable : Cable conforming to EIA568

(e.g. 10BASE-T cable)

Personal computer

OS ................................................Windows 3.1, Windows 95

RAM..............................................1MB or more

Floppy disk drive........................... One or more 3.5 inch flopp

disk drives

Mouse...........................................Mouse connectable to the

personal computer

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Page 59

OPERATION

3.1.2 Power on

Before switching power on, check the following:

•

Installation check

Make sure that the inverter is installed correctly in a correct place. (Refer to page 7.)

Wiring check

Make sure that the main and control circuits are wired correctly. Make sure that the options and peripheral devices are selected and connected correctly. (Refer to page 9.)

•

Switch power on.

Power-on is complete when the POWER lamp is lit correctly and the operation panel (FR-DU04) dis plays correct data.

3.1.3 Parameter check

The inverter is designed to perform simple variable-speed operation with the factory settings of the parameters. Set the necessary parameters according to the load and operation specifications. Use the operation panel (FR-DU04) to set, change and confirm the parameter values. For full information on the parameters, refer to "CHAPTER 4 PARAMETERS" (page 57).

(1)

Operation panel (FR-DU04

)

With the operation panel (FR-DU04), you can set the running frequency, monitor the operation com mand display, set parameters, display an error, and copy parameters.

1) Names and functions of the operation panel (FR-DU04)

Display LED ×4 digits

[MODE] key

[SET] key

Unit indication



Hz (frequency)



A (current)



V (voltage)

Operation status indication

[Operation command] keys



[REV] (reverse rotation) key



[FWD] (forward rotation) key

[STOP/RESET] key

FR-DU04

Hz A V

MON EXT PU

CONTROL PANEL

FWD

MODE

SET

REV FWD

STOP

RESET

REV

Key Description [MODE] key Y ou can select the operation mode or setting mode. [SET] key You can determine the frequency and parameter setting.

[UP/DOWN] key (

key)

· Used to increase or decrease the running frequency consecut ively. Hold down this key t o change the

frequency.

· Press this key in the setting mode to change the parameter setting consecutively.

[REV] key Used to give a reverse rotation command. [FWD] key Used to give a forward rotation command.

[STOP/RESET] key

· Used to stop operation.

· Used to reset the inverter when its output is s t opped by the protective function activated (major fault).

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Page 60

OPERATION

2) Monitor display changed by pressing the [MODE] key

MODE MODE

MODE

Help mode

Monitoring mode

Parameter setting mode

Operation mode

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Frequency setting mode (Note)

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Note: The frequency setting mode is displayed only in the PU operation mode.

(2)

Key operation

1) Monitoring mode

Operation command indications in the monitoring mode EXT is lit to indicate external operation. PU is lit to indicate PU operation. Both EXT and PU are lit to indicate PU/external combined operation mode.

The monitor display can also be changed during operation.

MODE

SET SET SET

SET

To 2) Frequency setting mode (Note 3)

Frequency monitor

Current monitor

Voltage monitor

Alarm monitor

Alarm present

Alarm absent

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Note: 1. Hold down the [SET] key marked *1 for more than 1.5 sec onds to change the current m onitor to

the power-on monitor.

2. Hold down the [SET] k ey marked *2 for more than 1.5 seconds to display four errors including the most recent one.

3. Shifts to the parameter setting mode when in the external operation mode.

2) Frequency setting mode

Used to set the running frequency in the PU operation mode.

MODE

SET

MODE

To 3) Parameter setting mode

Set frequency write

Set frequency change

Press to change the set frequency.

To frequency monitor

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

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Page 61

OPERATION

3) Parameter setting mode

A parameter value may either be set by updating its parameter number or setting the value digit-by-digit using the [UP/DOWN] key.

To write the setting, change it and press the [SET] key 1.5 seconds. Set "0" or "4" (factory setting) in Pr. 79 "operation mode selection" or select the PU operation mode.

MODE SET

SET SET

MODE

SET

0 ∼ 90 ∼ 90 ∼ 9

SET

To 4) Operation mode

Parameter number change

Setting change

Press for

1.5 sec.

Setting write

Flicker

Press to change the setting.

Simultaneous input

Most significant digit flickers Middle digit flickers Least significant digit flickers

hanging the parameter number

to change the parameter number.

Press

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

4) Operation mode

MODE MODEMODE

To 5) Help mode

External operation

PU operation

PU jog operation

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

5) Help mode

MODE

To 1) Monitoring mode

Alarm history

clear

Parameter clear

All clear

User clear

Software version

read

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

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Page 62

OPERATION

Alarm history Four past alarms can be displayed with the [UP/DOWN] key. ("." is appended to the most recent alarm.)

E.HIS

SET

Shows an alarm. (When no alarm exists, E._ _0 is displayed.)

Alarm display

SET

Frequency at alarm occurrence is displayed.

Alarm history clear Clears all alarm history.

SET SET

SET

Flicker

Cancel

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Parameter clear Initialises the parameter values to the factory settings. The calibration values are not initialized. (Parameter values are not cleared by setting "1" in Pr. 77 "parameter write disable selection).)

SET SET

SET

Flicker

Cancel

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

All clear Initialises the parameter values and calibration values to the factory settings.

SET SET

SET

Flicker

Cancel

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

User clear Initialises the user-set parameters. The other parameters are initialized to the factory settings.

SET SET

SET

Flicker

Cancel

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

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Page 63

OPERATION

6) Copy mode By using the operation panel (FR-DU04), the parameter values can be copied to another inverter (only the FR-A500 series).

1) Operation procedure

After reading the parameter values from the copy source inverter, connect the operation panel to the copy destination inverter, and write the parameter values. After writing the parameters to the inverter of copy destination, always reset the inverter, e.g. switch power off once, before starting operation.

SET SET SET

SET

Connect to copy destination inverter.

Parameter setting mode

(Note 1)

Parameter read

Parameter writ e

Parameter verify

Press for

1.5 sec.

Press for

1.5 sec.

Press for

1.5 sec.

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

After writing the parameters, always reset the inverter before operation.

Note: 1. While the copy function is being activated, the monitor display flick ers. T he display returns to the

lit-up state on completion of the copy function.

2. If a read error occurs during parameter read, "read error (E.rE1)" is displayed.

3. If a write error occurs during parameter write, "write error (E.rE2)" is displayed.

4. If a data disc repancy occurs during parameter verify, the cor responding parameter num ber and "verify error (E.rE3)" are displayed alternately. If the direct frequency setting or jog frequency setting is discrepant, "verify error (E.rE3)" flickers. To ignore this display and continue verify, press the [SET] key.

5. When the copy destination inverter is not the FR-A500 series, "model error (E.rE4)" is displayed.

Reference:

It is recommended to read the parameter values after completion of parameter setting. By writing the parameter values from the operation panel fitted to a new inverter after inverter replacement, parameter setup can be completed.

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Page 64

OPERATION

(3)

Parameter setting check

We recommend the following parameters to be set by the user. Set them according to the operation specifications, load, etc. (Refer to page 57.)

Parameter

Number

Name Application

1 Maximum frequency 2 Minimum frequenc y

Used to set the maximum and minimum output frequencies.

7 Acceleration time 8 Deceleration tim e

Second acceleration/deceleration time

45 Second decelerati on time

110

Third acceleration/deceleration time

111 Third decelerat i on t i me

Used to set the acceleration and decel eration times.

9 Electronic thermal O/L relay

Used to set the current of the elec tronic overcurrent protection to protect the motor from overheat.

14 Load pattern selec t i on

Used to select the optimum output characteristics which match the application and load characteristi cs.

71 Applied mot or

Used to set the thermal characteristics of the electronic overcurrent protection according to the motor used.

73 0-5V/0-10V selection

Used to select the specifications of t he frequency setting signal entered

across terminal 2-5 to perform operation with the voltage input signal. 900 FM terminal calibration 901 AM term i nal calibration

Used to calibrate the meters connected across terminals FM-SD and AM-5. 902 Frequency set t i ng vol tage bias

903 Frequency set t i ng vol tage gain 904 Frequency set t i ng current bias 905 Frequency set t i ng current gain

Used to set the magnitude (slope) of the output frequency relative to the

frequency setting signal (0 to 5V, 0 t o 10V or 4 to 20mA DC) as desired.

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Page 65

3.2 Operation

OPERATION

3.2 Operation

3.2.1 Pre-operation checks

Before starting operation, check the followi ng:

•

Safety Perform test operation after making sure that safety is ensured if the machine should become out of control.

•

Machine Make sure that the machine is free of damage.

•

Parameters Set the parameter values to match the operating machine system environment.

•

Test operation Perform test operation and make sure that the machine operates safely under light load at a low frequency. After that, start operation.

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Page 66

OPERATION

3.2.2 External operation mode (Operation using external input signals)

(1)

Operation at 60Hz

Step Description Image

Power-on → Operation mode check Switch power on and make sure that the operation command indication "EXT" is lit. (If it is not lit, switch to the external operation mode.)

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Start Turn on the start switch (STF or STR). The operation status indication "FWD" or "REV" flickers.

Note: The motor does not start if both the forward and reverse

rotation switches are turned on. If both switches are turned on during operation, the motor decelerates to a stop.

Reverse rotation

Forward rotation

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Acceleration → Constant speed Slowly turn the potentiometer (frequency setting potentiometer) full clockwise. The frequency shown on the display increases gradually to 60.00Hz.

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Deceleration Slowly turn the potentiometer (frequency setting potentiometer) full counterclockwise. The frequency shown on the display decreases gradually to 0.00Hz. The motor stops running.

REV FWD

Stop Turn off the start switch (STF or STR).

OFF

Stop

Forward rotation

Reverse rotation

(2)

External jog operation

Keep the start switch (STF or STR) on to perform operation, and switch it off to stop.

1) Set Pr. 15 "jog frequency" and Pr. 16 "jog acceleration/deceleration".

2) Select the external operation mode.

3) Switch on the jog signal. Keep the start switch (STF or STR) on to perform operation.

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Page 67

OPERATION

3.2.3 PU operation mode (Operation using the operation panel (FR-DU04))

(1)

Operation at 60Hz

While the motor is running, repeat the following steps 2 and 3 to vary the speed:

Step Description Image

Power-on → Operation mode check Switch power on and make sure that the operation command indication "PU" is lit. (If it is not lit, switch to the PU operation mode.)

REV FWD

Running frequency setting Set the running frequency to 60Hz. First, press the [MODE] key to select the frequency setting mode. Then, press the [UP/DOW N] key to change the setting, and press the [SET] key to write the frequency.

(or)

FR-DU04

CONTROL PANEL

MON EXT PU

REV FWD

Start Press the [FWD] or [REV] key. The motor starts running. The monitoring mode is automatically selected and the output frequency is displayed.

REVFWD

(or)

REV FWD

Stop Press the [STOP] key. The motor is decelerated to a stop.

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

(2)

PU jog operation

Hold down the [FWD] or [REV] key to perform operation, and release it to stop.

1) Set Pr. 15 "jog frequency" and Pr. 16 "jog acceleration/deceleration".

2) Select the PU jog operation mode.

3) Hold down the [FWD] or [REV] key to perform operation. (If the motor remains stopped, check Pr. 13 "starting frequency". The motor will not start if its setting is lower than the starting frequency.)

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Page 68

OPERATION

3.2.4 Combined operation mode (Operation using the external input signals and PU)

When entering the start signal from outside the inverter and setting the running frequency from the PU (Pr. 79 = 3) The external frequency setting signals and the PU's FWD, REV and STOP keys are not accepted.

Step Description Image

Power-on Switch power on.

Operation mode selection Set "3" in Pr. 79 "operation mode selection". The combined operation mode is selected and the operation status indication "EXT" and "PU" are lit.

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Start Turn on the start switch (STF or STR).

Note: The motor does not start if both the forward and rever se

rotation switches are turned on. If both switches are turned on during operation, the motor decelerates (when Pr. 250 = "9999") to a stop.

Reverse rotation

Forward rotation

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

Running frequency setting Using the parameter unit, set the running frequency to 60Hz. The operation command indication "REV" or "FWD" is lit.

Select the frequency setting mode and make step setting.

Note: Step setting is the way of changing the frequency

consecutively by pressing the [UP/DOWN] key. Hold down the [UP/DOWN] key to change the frequency.

Stop Turn off the start switch (STF or STR). The motor stops running.

FR-DU04

CONTROL PANEL

MON EXT PU

A V

REV FWD

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Page 69

CHAPTER 4

PARAMETERS

This chapter explains the "parameters" of this product. Always read the instructions before using the equipment.

4.1 Parameter List .........................................................57

4.2 Parameter Function Details......................................63

Note: By making parameter settings, you can change the functions of contact input

terminals RL, RM, RH, RT, AU, JOG, CS and open collector output terminals RUN, SU, IPF, OL, FU. Therefore, signal names corresponding to the functions are used in the description of this chapter (except in the wiring examples). Note that they are not terminal names. Note: The settings in brackets refer to the “EC” version default settings.

CHAPTER 1 OUTLINE CHAPTER 2 INSTALLATION AND WIRING CHAPTER 3 OPERATION CHAPTER 4 PARAMETERS CHAPTER 5 PROTECTIVE FUNCTIONS CHAPTER 6 SPECIFICATIONS CHAPTER 7 OPTIONS APPENDICES

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Page 70

4.1 Parameter List

PARAMETERS

4 PARAMETER

4.1 Parameter List

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page:

0 Torque boost (Not e 1) 0 to 30% 0.1%

6%/4%/3%/2%

(Note 9)

1 M aximum frequency 0 to 120Hz 0.01Hz 120Hz 64 2 M inim um frequency 0 to 120Hz 0.01Hz 0Hz 64 3 Bas e f r equenc y 0 to 400Hz 0.01Hz 60Hz 〈50Hz

〉

65 4 M ult i-s peed setting (high speed) 0 to 400Hz 0.01Hz 60Hz 66 5 M ult i-s peed setting (middle speed) 0 to 400Hz 0.01Hz 30Hz 66 6 M ult i-s peed setting (low speed) 0 to 400Hz 0.01Hz 10Hz 66

7 Acceleration time

0 to 3600 s/

0 to 360 s

0.1 s/

0.01 s

5 s/15 s (Note 6)

8 Decelerat ion time

0 to 3600 s/

0 to 360 s

0.1 s/

0.01 s

5 s/15 s (Note 6)

Basic functions

9 Elec t ronic thermal O/L relay 0 to 500A 0.01A

Rated output

current

10 DC injection brake operation f requenc y 0 to 120Hz, 9999 0.01Hz 3Hz 69 11 DC injection brake operation t im e 0 to 10 s, 8888 0. 1 s 0.5 s 69 12 DC injection brake voltage 0 to 30% 0.1% 4%/2% (Note 6) 69 13 Starting frequency 0 to 60Hz 0.01Hz 0.5Hz 70 14 Load pattern select ion (Note 1) 0 to 5 1 0 70 15 Jog frequency 0 to 400Hz 0.01Hz 5Hz 71

16 Jog acceleration/ dec elerat ion t im e

0 to 3600 s/

0 to 360 s

0.1 s/

0.01 s

0.5 s 71

17 MRS input selection 0,2 1 0 72 18 High-speed maximum frequency 120 to 400Hz 0.01Hz 120Hz 72 19 Base frequency v olt age (Note 1) 0 to 1000V, 8888, 9999 0.1V 9999 〈8888

〉

Acceleration/deceleration reference frequency

1 to 400Hz 0.01Hz 60Hz 〈50Hz

〉

Acceleration/deceleration time increments

0,1 1 0 72 22 Stall prevention operat ion level 0 to 200%, 9999 0.1% 150% 73 23

Stall prevention operation level at double speed

0 to 200%, 9999 0.1% 9999 73

24 Multi-speed set t ing (s peed 4) 0 to 400Hz, 9999 0.01Hz 9999 74 25 Multi-speed set t ing (s peed 5) 0 to 400Hz, 9999 0.01Hz 9999 74 26 Multi-speed set t ing (s peed 6) 0 to 400Hz, 9999 0.01Hz 9999 74 27 Multi-speed set t ing (s peed 7) 0 to 400Hz, 9999 0.01Hz 9999 74 28 Multi-speed input c om pens at ion 0, 1 1 0 74 29 Acceleration/dec elerat ion pat t ern 0, 1, 2, 3 1 0 75 30 Regenerative func t ion s elec t ion 0, 1, 2 1 0 76 31 Frequency jump 1A 0 to 400Hz, 9999 0.01Hz 9999 77 32 Frequency jump 1B 0 to 400Hz, 9999 0.01Hz 9999 77 33 Frequency jump 2A 0 to 400Hz, 9999 0.01Hz 9999 77 34 Frequency jump 2B 0 to 400Hz, 9999 0.01Hz 9999 77 35 Frequency jump 3A 0 to 400Hz, 9999 0.01Hz 9999 77 36 Frequency jump 3B 0 to 400Hz, 9999 0.01Hz 9999 77

Standard operation functions

37 Speed display 0,1 to 9998 1 0 78 41 Up-to-frequency sensitivity 0 to 100% 0.1% 10% 79 42 Output frequency detec t ion 0 to 400Hz 0.01Hz 6Hz 79

Output

terminal

functions

Output frequency detection for reverse rotation

0 to 400Hz, 9999 0.01Hz 9999 79

44 Second acceleration/ dec elerat ion t im e

0 to 3600 s/

0 to 360 s

0.1 s/0.01 s 5 s 80

45 Second deceleration tim e

0 to 3600 s/0 to 360 s,

9999

0.1 s/0.01 s 9999 80

46 Second torque boost (Note 1) 0 to 30%, 9999 0.1% 9999 80 47 Second V/F (base frequency) (Note 1) 0 to 400Hz, 9999 0.01Hz 9999 80 48 Second stall prev ention operation current 0 to 200% 0.1% 150% 80

Second stall prevention operation frequency

0 to 400Hz, 9999 0.01 0 80

Second functions

50 Second output frequenc y detec t ion 0 to 400Hz 0.01Hz 30Hz 81

Parameter List

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Page 71

PARAMETERS

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page:

52 DU/PU main display data selection

0 to 20, 22, 23, 24, 25,

100

1082 53 PU lev el dis play dat a s elec t ion 0 to 3, 5 to 14, 17, 18 1 1 82 54 FM terminal function selection

1 to 3, 5 to 14,

17, 18, 21

1182 55 Frequency monit oring ref erenc e 0 to 400Hz 0.01Hz 60Hz 〈50Hz

〉

Display functions

56 Current monit oring reference 0 to 500A 0.01A Rated output current 84 57 Restart coasting time 0, 0.1 to 5 s, 9999 0.1 s 9999 85

Automatic

restart

functions

58 Restart cushion time 0 to 60 s 0.1 s 1.0 s 85

Additional

function

59 Remote setting function selection 0, 1, 2 1 0 87

60 Int elligent m ode selection 0 to 8 1 0 88 61 Reference I for intelligent mode 0 t o 500A, 9999 0.01A 9999 90 62 Ref. I for intelligent mode accel. 0 to 200%, 9999 0.1% 9999 90 63 Ref. I for intelligent mode decel. 0 to 200%, 9999 0.1% 9999 90 64 Start ing f r equenc y for elevator mode 0 to 10Hz, 9999 0.01Hz 9999 90 65 Retry selection 0 to 5 1 0 91

Stall prevention operation level reduction starting frequency

0 to 400Hz 0.01Hz 60Hz 〈50Hz

〉

67 Number of ret ries at alarm occurrence 0 to 10,101 to 110 1 0 91 68 Retry waiting time 0 to 10 s 0.1 s 1 s 91 69 Retry count dis play erasure 0



091

70 Special regenerat ive brake duty

0 to 15%/0 to 30%/0%

(Note 10)

0.1% 0% 92

71 Applied mot or

0 to 8, 13 to 18, 20, 23,

1093 72 PWM frequency selection 0 to 15 1 2 94

73 0-5V/0-10V s elec t i on 0 to 5, 10 t o 15 1 1 95 74 Filter time constant 0 to 8 1 1 96

Reset selection/disconnected PU detection/PU stop selection

0 to 3, 14 to 17 1 14 96

76 Alarm c ode out put selection 0, 1, 2, 3 1 0 98 77 Paramet er write disable select ion 0, 1, 2 1 0 99 78 Rev ers e rot ation prevention selection 0, 1, 1 0 100

Operation selection functions

79 Operation m ode s elec tion 0 to 8 1 0 101 80 Mot or c apac ity 0.4 to 55kW, 9999 0.01kW 9999 104 81 Number of m otor poles 2, 4, 6, 12, 14, 16, 9999 1 9999 104 82 Mot or exci t ing c urrent (Note 4) 0 to , 9999 1 9999 105 83 Rated mot or voltage 0 to 1000V 0.1V 200/400V (Note 2) 105 84 Rated mot or frequency 50 to 120Hz 0.01Hz 60Hz 〈50Hz

〉

105 89 Speed cont rol gain 0 to 200.0% 0.1% 100% 111 90 Mot or c ons tant (R1) (Note 4) 0 to, 9999 9999 105 91 Mot or c ons tant (R2) (Note 4) 0 to, 9999 9999 105 92 Mot or c ons tant (L1) (Note 4) 0 t o, 9999 9999 105 93 Mot or c ons tant (L2) (Note 4) 0 t o, 9999 9999 105 94 Mot or c ons tant (X) 0 to, 9999 9999 105 95 Online auto t uning s elec tion 0, 1 1 0 111

Advanced magnetic flux vectorc ont rol

96 Auto tuning setting/status 0, 1, 101 1 0 112

100 V/F1 (first frequency) (Note 1) 0 to 400Hz, 9999 0. 01Hz 9999 113 101 V/F1 (first frequency volt age) (Note 1) 0 to 1000V 0.1V 0 113 102 V/F2 (second frequency) (Note 1) 0 to 400Hz, 9999 0. 01Hz 9999 113 103 V/F2 (second frequency voltage) (Note 1) 0 to 1000V 0.1V 0 113 104 V/F3 (third frequency) (Note 1) 0 to 400Hz, 9999 0.01Hz 9999 113 105 V/F3 (third frequency voltage) (Note 1) 0 to 1000V 0. 1V 0 113

5-point flexible V/F

characteristics

106 V/F4 (fourth frequency) (Note 1) 0 to 400Hz, 9999 0.01Hz 9999 113

Parameter List

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Page 72

PARAMETERS

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page:

107

V/F4 (fourth frequency voltage) (Note 1)

0 to 1000V 0.1V 0 113

108 V/F5 (fifth frequency) (Note 1) 0 to 400Hz, 9999 0.01Hz 9999 113

5-point flexible V/F

characteristics

109

V/F5 (fifth frequency voltage) (Note 1)

0 to 1000V 0.1V 0 113

110 Third acceleration/deceleration time

0 to 3600 s/0 to 360 s,

9999

0.1 s/0.01 s 9999 114

111 Third deceleration time

0 to 3600 s/0 to 360 s,

9999

0.1 s/0.01 s 9999 114

112 Third torque boost (Note 1) 0 to 30.0%, 9999 0.1% 9999 114 113 Third V/F (base frequency) (Note 1) 0 to 400Hz, 9999 0.01Hz 9999 114 114 Third stall prevention operation current 0 to 200% 0.1% 150% 114

115

Third stall prevention operation frequency

0 to 400Hz 0.01Hz 0 114

Third functions

116 Third output frequency detection 0 t o 400Hz, 9999 0.01Hz 9999 114 117 Station number 0 to 31 1 0 114 118 Communication speed 48, 96, 192 1 192 114

119 Stop bit length/data length

0, 1 (data length 8)

10, 11 (data length 7)

1 1 114

120 Parity check presence/absence 0, 1, 2 1 2 114 121 Number of communication retries 0 to 10, 9999 1 1 114 122 Communication check time interval 0, 0.1 to 999.8 s, 9999 0.1 s 0 〈9999

〉

114

123 Waiting time setting 0 to 150ms, 9999 1ms 9999 114

Communication functions

124 CR, LF presence/absence selection 0,1, 2 1 1 114 128 PID action selection 10, 11, 20, 21



10 124 129 PID proportional band 0.1 to 1000%, 9999 0.1% 100% 124 130 PID integral time 0.1 to 3600 s, 9999 0.1 s 1 s 124 131 Upper limit 0 to 100%, 9999 0.1% 9999 124 132 Lower limit 0 to 100%, 9999 0.1% 9999 124 133 PID action set point for PU operation 0 to 100% 0.01% 0% 124

PID control

134 PID differential time 0.01 to 10.00 s, 9999 0.01 s 9999 124

135

Commercial power supply-inverter switch-over sequence output terminal selection

0, 1 1 0 131

136 MC switch-over interlock time 0 t o 100. 0 s 0. 1 s 1.0 s 131 137 Start waiting time 0 to 100. 0 s 0. 1 s 0.5 s 131

138

Commercial power supply-inverter switch-over selection at alarm occurrence

0, 1 1 0 131

Commercial power supply-

inverter switch-over

139

Automatic inverter-commercial power supply switch-over frequency

0 to 60.00Hz, 9999 0.01Hz 9999 131

140

Backlash acceleration stopping frequency (Note 7)

0 to 400Hz 0.01Hz 1.00Hz 134

141

Backlash acceleration stopping time (Note 7)

0 to 360 s 0.1 s 0.5 s 134

142

Backlash deceleration stopping frequency (Note 7)

0 to 400Hz 0.01Hz 1.00Hz 134

Backlash

143

Backlash deceleration stopping time (Note 7)

0 to 360 s 0.1 s 0.5 s 134

Display

144 Speed setting switch-over

0, 2, 4, 6, 8, 10, 102,

104, 106, 108, 110

1 4 134

148 Stall prevention level at 0V input 0 to 200% 0.1% 150% 134

Additional

functions

149 Stall prevention level at 10V input 0 to 200% 0.1% 200% 134

Parameter List

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Page 73

PARAMETERS

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page: 150 Output current detection lev el 0 to 200% 0.1% 150% 135 151 Output current detection period 0 to 10 s 0.1 s 0 135 152 Zero current detection level 0 to 200.0% 0.1% 5.0% 136

Current

detection

153 Zero current detection period 0 to 1 s 0.01 s 0.5 s 136 154

Voltage reduction selection during stall prevention operation

0, 1 1 1 136

155 RT activated condition 0, 10 1 0 137 156 Stall prevention operation selection 0 to 31, 100 1 0 137 157 OL signal waiting time 0 to 25 s , 9999 0.1 s 0 139

Sub functions

158 AM terminal function selection

1 to 3, 5 to 14,

17, 18, 21

1 1 139

Additional

function

160 User group read selection 0, 1, 10, 11 1 0 140

162

Automatic restart after instantaneous power failure selection

0, 1 1 0 140

163 First cushion time for restart 0 to 20 s 0.1 s 0 s 140

164 First cushion voltage for rest art 0 to 100% 0.1% 0% 140

Automatic restart

after instantaneous

power failure

165 Restart stall prevention operation level 0 to 200% 0.1% 150% 140 170 Watt-hour meter c lear 0



0 141

Initial

monitor

171 Actual operation hour meter clear 0



0 141

173

User group 1 registration 0 to 999

141

174

User group 1 deletion 0 to 999, 9999

141

175

User group 2 registration 0 to 999

141

User functions

176

User group 2 deletion 0 to 999, 9999

141

180

RL terminal function selection 0 to 99, 9999

141

181

RM terminal function selection 0 to 99, 9999

141

182

RH terminal function selection 0 to 99, 9999

141

183

RT terminal function selection 0 to 99, 9999

141

184

AU terminal function selection 0 to 99, 9999

141

185

JOG terminal function selection 0 to 99, 9999

141

186

CS terminal function selection 0 to 99, 9999

141

190 RUN terminal function selecti on 0 to 199, 9999 1 0 144

191

SU terminal function selection 0 to 199, 9999 1 1 144

192

IPF terminal function selection 0 to 199, 9999 1 2 144

193

OL terminal function selection 0 to 199, 9999 1 3 144

194

FU terminal function selection 0 to 199, 9999 1 4 144

Terminal assignment functions

195

ABC terminal function selection 0 to 199, 9999 1 99 144

Additi-

onal

function

199

User's initial value setting 0 to 999, 9999 1 0 146

Parameter List

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Page 74

PARAMETERS

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page:

200

Programmed operation minute/second selection

0, 2: Minute, second 1, 3: Hour, minute

1 0 147

201

Program set 1 1 to 10

0-2: Rotation direction 0-400, 9999: Frequency 0-99.59: Time

0.1Hz

Minute or

second

9999

147

211

Program set 2 11 to 20

0-2: Rotation direction 0-400, 9999: Frequency 0-99.59: Time

0.1Hz

Minute or

second

9999

147

221

Program set 3 21 to 30

0-2: Rotation direction 0-400, 9999: Frequency 0-99.59: Time

0.1Hz

Minute or

second

9999

147

Programmed operation

231

Timer setting 0 to 99.59



0 147

232

Multi-speed setting (speed 8) 0 to 400Hz, 9999 0.01Hz 9999 151

233

Multi-speed setting (speed 9) 0 to 400Hz, 9999 0.01Hz 9999 151

234

Multi-speed setting (speed 10) 0 to 400Hz, 9999 0.01Hz 9999 151

235

Multi-speed setting (speed 11) 0 to 400Hz, 9999 0.01Hz 9999 151

236

Multi-speed setting (speed 12) 0 to 400Hz, 9999 0.01Hz 9999 151

237

Multi-speed setting (speed 13) 0 to 400Hz, 9999 0.01Hz 9999 151

238

Multi-speed setting (speed 14) 0 to 400Hz, 9999 0.01Hz 9999 151

Multi-speed operation

239

Multi-speed setting (speed 15) 0 to 400Hz, 9999 0.01Hz 9999 151

240

Soft-PWM setting

0, 1

1 1 151

Sub functions

244

Cooling fan operation selection

0, 1

1 0 151

Stop selection

function

250

Stop selection 0 to 100 s, 9999 0.1 s 9999 152

251

Output phase failure protection selection 0,1

1 1 153

252

Override bias 0 to 200%

0.1% 50% 153

Additional

function

253

Override gain 0 to 200%

0.1% 150% 153

261

Power failure stop selection 0, 1

1 0 154

262

Subtracted frequency at deceleration start

0 to 20Hz

0.01Hz 3Hz 154

263

Subtraction starting frequency 0 t o 120Hz, 9999

0.01Hz 60Hz

〈50Hz

〉

154

264

Power-failure deceleration time 1 0 to 3600/0 to 360 s 0.1 s/0.01 s 5 s

154

265

Power-failure deceleration time 2

0 to 3600/0 to 360 s,

9999

0.1 s/0.01 s

9999 154

Power failure stop function

266

Power-failure deceleration time switchover frequency

0 to 400Hz

0.01Hz 60Hz

〈50Hz

〉

154

Selection

function

270

Stop-on-contact/load torque high-speed frequency control selection

0, 1, 2, 3 1 0 156

271

High-speed setting maximum current 0 to 200% 0.1% 50% 157

272

Mid-speed setting minimum current 0 t o 200% 0.1% 100% 157

273

Current averaging range 0 to 400Hz, 9999 0.01Hz 9999 157

High-speed

frequency

control

274

Current averaging filter constant 1 to 4000 1 16 157

275

Stop-on-contact exciting current lowspeed multiplying factor

0 to 1000%, 9999 1% 9999 (Note 5) 161

Stop on

contact

276

Stop-on-contact PWM carrier frequency 0 to 15, 9999 1 9999 (Note 5) 161

Parameter List

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Page 75

PARAMETERS

Func-

tion

Parameter

Number

Name Setting Range

Minimum

Setting

Increments

Factory Setting

〈

EC Version

〉

Refer

Page:

278

Brake opening frequency (Note 3) 0 to 30Hz 0.01Hz 3Hz 164

279

Brake opening current (Note 3) 0 to 200% 0.1% 130% 164

280

Brake opening current detection time (Note 3)

0 to 2 s 0.1 s 0.3 s 164

281

Brake operation time at start (Note 3) 0 t o 5 s 0.1 s 0.3 s 164

282

Brake operation frequency (Note 3) 0 to 30Hz 0.01Hz 6Hz 164

283

Brake operation time at stop (Note 3) 0 to 5 s 0.1 s 0.3 s 164

284

Deceleration detection function selection (Note 3)

0, 1 1 0 164

285

Overspeed detection frequency 0 to 30Hz, 9999 0.01Hz 9999 164

286

Droop gain 0 to 100% 0.1% 0% 168

Brake sequence functions

287

Droop filler constant 0.00 to 1.00 s 0.01s 0.3s 168

900

FM terminal calibration

  

169

901

AM terminal calibration

  

169

902

Frequency setting voltage bias 0 to 10V 0 to 60Hz 0.01Hz 0V 0Hz 171

903

Frequency setting voltage gain 0 to 10V

1 to

400Hz

0.01Hz 5V

60Hz

〈50Hz

〉

171

904

Frequency setting current bias 0 to 20mA 0 to 60Hz 0.01Hz 4mA 0Hz 171

Calibration functions

905

Frequency setting current gain 0 to 20mA

1 to

400Hz

0.01Hz 20m A

60Hz

〈

50Hz

〉

171

Additional

function

990

Buzzer control 0, 1 1 1 173

Note: 1. Indicates the parameter settings which are ignored when the advanced magnetic flux vector

control mode is selected.

2. The factory setting of the FR-A540 (400V class) is 400V.

3. Can be set when Pr. 80, Pr. 81 ≠ 9999, Pr. 60 = 7 or 8.

4. Can be accessed when Pr. 80, Pr. 81 ≠ 9999, Pr. 77 = 801.

5. Can be accessed when Pr. 270 = 1 or 3, Pr. 80, Pr. 81 ≠ 9999.

6. The setting depends on the inverter capacity.

7. Can be accessed when Pr. 29 = 3.

8. The half-tone screened parameters allow their settings to be changed during operation if 0 (factory setting) has been set in Pr. 77. (Note that the Pr. 72 and Pr. 240 settings cannot be changed during external operation.)

9. The setting depends on the inverter capacity: (0.4K)/(1.5K to 3.7K)/(5.5K, 7.5K)/(11K).

10. The setting depends on the inverter capacity: (0.4K to 1.5K)/(2.2K to 7.5K)/(11K or more).

Parameter List

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Page 76

4.2 Parameter Function Details

PARAMETERS

Pr. 3 "base frequency" Pr. 19 "base frequency voltage" Pr. 71 "applied motor" Pr. 80 "motor capacity" Pr. 81 "number of motor poles" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

4.2 Parameter Function Details

Torque boost (Pr. 0, Pr. 46, Pr. 112)

Pr. 0 "torque boost" Pr. 46 "second torque boost" Pr. 112 "third torque boost"

You can compensate for a voltage drop in the low frequency range to

improve motor torque reduction in the low speed range.

Motor torque in the low-frequency range can be adjusted to the load to increase the starting motor torque.

You can select any of the three different starting torque boosts by terminal switching.

Parameter

Number

Factory Setting

Setting Range Remarks

0.4K, 0.75K 6%

1.5K to 3.7K 4%

5.5K, 7.5K 3%

11K or more 2%

0 to 30%



46 9999 0 to 30%, 9999 9999: Function invalid

112 9999 0 to 30%, 9999 9999: Function invalid

Pr.0 Pr.46 Pr.112

100%

Base frequenc

Output voltage

Setting range

Output frequency (Hz)

Assuming that the base frequency voltage is 100%, set the 0Hz voltage in %.

A large setting will cause the motor to overheat. The guideline for maximum value is about 10%.

Pr. 46 is valid when the RT signal is on. Pr. 112 is valid when the X9 signal is on. Use any of Pr. 180 to

Pr. 186 to assign the terminal used to input the X9 signal.

Note: 1. When using a constant-torque motor, change the setting of this parameter as follows:

0.4K, 0.75K...6%, 1.5K to 3.7k, 4%, 5.5K or more...2%

2. This param eter setting is ignored when Pr. 80 and Pr. 81 have been set to select the advanced magnetic flux vector control mode.

3. When the Pr. 0 setting is either of the following values for 5.5K and 7.5K, it is automatically changed when the Pr.71 setting is changed: (1) When Pr. 0 setting is 3% (factory setting)

The Pr. 0 setting is changed to 2% automatically when the Pr. 71 setting is changed from [general-purpose motor selection value (0, 2 to 8, 20, 23, 24)] to [constant-torque motor selection value (1, 13 to 18)].

(2) When Pr. 0 setting is 2%

The Pr. 0 setting is changed to 3% (factory setting) automatically when the Pr. 71 setting is changed from [constant-torque motor selection value (1, 13 to 18)] to [general-purpose motor selection value (0, 2 to 8, 20, 23, 24)].

4. Increase the s etting when the inverter-to-motor distance is long or m otor torque in the low-speed range is insufficient, for example. A too large setting may result in an overcurrent trip.

5. When the RT (X9) signal is on, the other second (third) functions such as second (third) acceleration/deceleration time are also selected.

6. W hen term inal assignm ent is changed using Pr. 180 to Pr. 186 during us e of the second or third functions, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

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Page 77

PARAMETERS

Pr. 903 "frequency setting voltage gain" Pr. 905 "frequency setting current gain"

Related parameters

Output frequency range (Pr. 1, Pr. 2, Pr. 18)

Pr. 1 "maximum frequency" Pr. 2 "minimum frequency" Pr. 18 "high-speed maximum frequency"

Used to clamp the upper and lower limits of the output frequency. Used for high-speed operation at or over 120Hz.

Can be used to set the upper and lower limits of motor speed.

Parameter

Number

Factory Setting Setting Range

1 120Hz 0 to 120Hz 2 0Hz 0 to 120Hz

18 120Hz 120 to 400Hz

Pr.1 Pr.18

Pr.2

5,10V

Frequency setting

Output frequency

20mA, etc.

Use Pr. 1 to set the upper limit of the output frequency. If the frequency of the frequency command entered is higher than the setting, the output frequency is clamped at the maximum frequency. To perform operation over 120Hz, set the upper limit of the output frequency in Pr. 18. (When the Pr. 18 value is set, Pr. 1 automatically changes to the frequency in Pr. 18.)

Use Pr. 2 to set the lower limit of the output frequency.

Note: When the frequency setting analog signal is used to run the motor beyond 60Hz, change the Pr. 903

and Pr. 905 values. If Pr. 1 or Pr. 18 is only changed, the motor cannot run beyond 60Hz.

CAUTION

When the Pr. 2 setting is higher than the Pr. 13 value, note that the motor will run at the set

frequency by merely switching the start signal on, without ent ering the command frequency.

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Page 78

PARAMETERS

Pr. 71 "applied motor" Pr. 80 "motor capacity" Pr. 81 "number of motor poles" Pr. 83 "rated motor voltage" Pr. 84 "rated motor frequency" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

Base frequency, base frequency voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)

Pr. 3 "base frequency" Pr. 19 "base frequency voltage" Pr. 47 "second V/F (base frequency) Pr. 113 "third V/F (base frequency)

Used to adjust the inverter outputs (voltage, frequency) to the motor rating.

When running a standard motor, gener ally set the frequency rating to 60Hz. W hen running the m otor using the commercial power supply-inverter switch-over, set the bas e frequency to the same value as the power supply frequency.

Parameter

Number

Factory Setting Setting Range Remarks

3 60Hz 〈50Hz

〉

0 to 400Hz

19 9999 〈8888

〉

0 to 1000V,

8888•9999

8888: 95% of power supply voltage 9999: Same as power supply voltage

47 9999 0 to 400Hz, 9999 9999: Function invalid

113 9999 0 to 400Hz, 9999 9999: Functi on i nval i d

Pr.19

Pr.3 Pr.47

Pr.113

Output frequency

Output voltage

Use Pr. 3, Pr. 47 and Pr. 113 to set the base frequency (rated motor frequency). Three different base

frequencies can be set and the required frequency can be selected from among them.

Pr. 47 is valid when the RT signal is on, and Pr. 113 is valid when the X9 signal is on. Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the X9 signal.

Use Pr. 19 to set the base voltage (e.g. rated motor voltage).

Note: 1. Set the base frequency to 60Hz when using a constant-torque motor.

2. When the advanced magnetic flux vector control mode has been selected using Pr. 80 and Pr. 81, Pr. 3, Pr. 47, Pr. 113 and Pr. 19 are made invalid and Pr. 84 and Pr. 83 are made valid.

3. W hen "2" (5-point flexible V/F characteristic s) is set in Pr. 71, the Pr. 47 and Pr. 113 settings are made invalid.

4. When the RT (X9) signal is on, the other second (third) functions such as second (third) acceleration/deceleration time are also selected.

5. W hen term inal assignm ent is changed using Pr. 180 to Pr. 186 during us e of the second or third functions, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

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Page 79

PARAMETERS

Pr. 1 "maximum frequency" Pr. 2 "minimum frequency" Pr. 15 "jog frequency" Pr. 28 "multi-speed input compensation" Pr. 29 "acceleration/deceleration

pattern" Pr. 79 "operation mode selection" Pr. 180 to Pr. 186 (input terminal

function selection)

Related parameters

Multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)

Pr. 4 "3-speed setting (high speed)" Pr. 5 "3-speed setting (middle speed)" Pr. 6 "3-speed setting (low speed)" Pr. 24 to Pr. 27 "multi-speed setting

(speeds 4 to 7)" Pr. 232 to Pr. 239 "multi-speed setting

(speeds 8 to 15)"

Used to preset the running speeds in parameters and switch between them using terminals.

Any speed can be selected by switching on-off the contact signal (RH, RM, RL or REX signal).

By using these functions with jog frequency (Pr. 15), maxim um f requency (Pr. 1) and minimum frequency

(Pr. 2), up to 18 speeds can be set.

Valid in the external operation mode or PU/external combined operation mode (Pr. 79 = 3 or 4).

Parameter

Number

Factory Setting Setting Range Remarks

4 60Hz 0 to 400Hz 5 30Hz 0 to 400Hz 6 10Hz 0 to 400Hz

24 to 27 9999 0 to 400Hz, 9999 9999: Not selected

232 to 239 9999 0 to 400Hz, 9999 9999: Not selected

ON ON ON ON

ON ON

ONONON

RH RM

REX

Speed 7

Output frequency

Speed 1

(high speed)

Speed 2

(middle speed)

Speed 3

(low speed)

Speed 4

Time

Speed 5

Speed 6

ONON ON ON ON ON ON ON

ON ON ON ON

REX

Speed 15

Output frequency

Time

Speed 9

Speed 8

Speed 10

Speed 11

Speed 12

Speed 13

Speed 14

Set the running frequencies in the corresponding parameters.

Each speed (frequency) can be set as desired between 0 and 400Hz during inverter operation. After the required multi-speed setting param eter has been read, the setting can be changed by pressing the [UP/DOWN] k ey. (In this case, when you release the [UP/DOWN] key, press the [SET] key to store the set frequency. When using the FR-PU04 (option), press the [WRITE] key.)

Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the REX signal.

Note: 1. The multi-speed settings override the main speeds (across terminals 2-5, 4-5).

2. The multi-speeds can also be set in the PU or external operation mode.

3. For 3-speed s etting, if two or three speeds are simultaneously selected, priority is given to the frequency setting of the lower signal.

4. Pr. 24 to Pr. 27 and Pr. 232 to Pr. 239 settings have no priority between them.

5. The parameter values can be changed during operation.

6. W hen terminal assignment is changed using Pr. 180 to Pr. 186, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

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Page 80

PARAMETERS

Pr. 3 "base frequency" Pr. 29 "acceleration/deceleration

pattern" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

Acceleration/deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111)

Pr. 7 "acceleration time" Pr. 8 "deceleration time" Pr. 20 "acceleration/deceleration reference

frequency" Pr. 21 "acceleration/deceleration time increments" Pr. 44 "second acceleration/deceleration time" Pr. 45 "second deceleration time" Pr. 110 "third acceleration/deceleration time" Pr. 111 "third deceleration time"

Used to set motor acceleration/deceleration time. Set a larger value for a slower speed increase/decrease or a smaller value for a faster speed increase/decrease.

Parameter Number

Factory

Setting

Setting Range Remark s

7.5K or less 5 s

11K or more 15 s

0 to 3600 s/0 to 360 s

7.5K or less 5 s

11K or more 15 s

0 to 3600 s/0 to 360 s

20 60Hz 〈50Hz

〉

1 to 400Hz

21 0 0, 1 0: 0 to 3600 s, 1: 0 to 360 s

7.5K or less

11K or more

5 s 0 to 3600 s/0 to 360 s

7.5K or less

11K or more

9999 0 to 3600 s/0 to 360 s, 9999

9999: Acceleration time =

deceleration time

7.5K or less

110

11K or more

9999 0 to 3600 s/0 to 360 s, 9999 9999: Function invalid

7.5K or less

111

11K or more

9999 0 to 3600 s/0 to 360 s, 9999

9999: Acceleration time =

deceleration time

Pr.20

Pr.7 Pr.44 Pr.110

Pr.8 Pr.45 Pr.111

Deceleration time

Output frequency

Running frequency

Time

Acceleration time

Use Pr. 21 to set the acceleration/deceleration time and minimum setting increments:

Set value "0" (factory setting)........0 to 3600 seconds (minimum setting increments: 0.1 second)

Set value "1".................................. 0 to 360 seconds (minimum setting increments: 0.01 second)

Use Pr. 7, Pr. 44 and Pr. 110 to set the acceleration time required to reach the frequency set in Pr. 20 from 0Hz.

Use Pr. 8, Pr. 45 and Pr. 111 to set the deceleration time required to reach 0Hz from the frequency set in Pr. 20.

Pr. 44 and Pr. 45 are valid when the RT signal is on, and Pr. 110 and Pr. 111 are valid when the X9 signal is on. When both RT and X9 are on, Pr. 110 and Pr. 111 are valid.

Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the X9 signal.

Set "9999" in Pr. 45 and Pr. 111 to make the deceleration time equal to the acceleration time (Pr. 44, Pr. 110).

When "9999" is set in Pr. 110, the function is made invalid.

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Page 81

PARAMETERS

Pr. 71 "applied motor"

Related parameter

Note: 1. In S-shaped acceleration/deceleration pattern A (refer to page 75), the set time is a period

required to reach the base frequency set in Pr. 3.

Acceleration/deceleration time calculation expression when the set frequency is the base frequency or higher

t =

4 9

(Pr.3)

× f2 +

5 9

T: Acceleration/deceleration time setting (seconds) f: Set frequency (Hz)

Guideline for acceleration/deceleration time at the base frequency of 60Hz (0Hz to set

frequency)

Frequency setting (Hz)

Acceleration/ decelerationtime (seconds)

60 120 200 400

5 5 12 27 102

15 15 35 82 305

2. If the Pr. 20 setting is changed, the settings of calibration functions Pr. 903 and Pr. 905 (frequency setting signal gains) remain unchanged. To adjust the gains, adjust calibration functions Pr. 903 and Pr. 905.

3. When the setting of Pr. 7, Pr. 8, Pr. 44, Pr. 45, Pr. 110 or Pr. 111 is "0", the acceleration/deceleration time is 0.04 seconds. At this time, set 120Hz or less in Pr. 20.

4. When the RT (X9) signal is on, the other second (third) functions such as second (third) torque boost are also selected.

5. If the shortest acceleration/deceleration time is set, the actual motor acceleration/deceleration time cannot be made shorter than the shortest acceleration/deceleration time determined by the mechanical system's GD

and motor torque.

Electronic overcurrent protection (Pr. 9)

Pr. 9 "electronic overcurrent protection"

Set the current of the electronic overcurrent protection to protect the motor from overheat. This feature provides the optimum protective characteristics, including reduced motor cooling capability, at low speed.

Parameter

Number

Factory Setting Setting Range

9 Rat ed output current* 0 to 500A

*0.4K and 0.75K are set to 85% of the rated inverter current.

Set the rated current [A] of the motor. (Normally set the rated current value at 50Hz.)

Setting of "0" makes the electronic overcurrent protection (motor protective function) invalid. (The inverter's output transistor protective function is valid.)

When Mitsubishi's constant-torque motor is used, set "1" or any of "13" to "18" in Pr. 71 to select the 100% continuous torque characteristic in the low speed range. Then, set the rated motor current in Pr. 9.

Note: 1. When two or more motors are connected to the inverter, they cannot be protected by the

electronic overcurrent protection. Install an external thermal relay to each motor.

2. When a difference between the inverter and motor capacities is large and the setting is s mall, the protective characteristics of the electronic overcurr ent protection will be deteriorated. In this case, use an external thermal relay.

3. A special m otor cannot be protected by the electronic overcurrent protection. Use an external thermal relay.

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Page 82

PARAMETERS

Pr. 13 "starting frequency" Pr. 71 "applied motor"

Related parameters

DC dynamic brake (Pr. 10, Pr. 11, Pr. 12)

Pr. 10 "DC dynamic brake operation frequency" Pr. 11 "DC dynamic brake operation time"

Pr. 12 "DC dynamic brake voltage"

By setting the stopping DC dynamic brake voltage (torque), operation time and operation s tarting frequency, the stopping accuracy of positioning operation, etc. or the timing of operating the DC dynamic brak e to stop the motor is adjusted according to the load.

Parameter

Number

Factory

Setting

Setting Range Remarks

10 3Hz 0 t o 120Hz, 9999

9999: Operated at or below Pr. 13 value.

11 0.5 s 0 to 10 s, 8888

8888: Operated when X13 signal switches on.

7.5K or less 4%

11K or more 2%

0 to 30%

Pr.10

Pr.12

Pr.11 Operation time

Output freque ncy

Operation frequency

Time

DC dynamic brake voltage

Operation voltage

Time

Use Pr. 10 to set the frequency at which the DC dynamic brake application is started. By setting "9999" in Pr. 10, the motor is decelerated to the frequency set in Pr. 13 and braked.

Use Pr. 11 to set the period during when the brake is operated. By setting “8888” in Pr. 11, the DC dynamic brake is operated while the X13 signal is on.

Use any of Pr. 180 to Pr. 186 to assign the terminal used to input the X13 signal.

Use Pr. 12 to set the percentage of the power supply voltage.

When using the inverter dedicated motor (cons tant-torque motor), change the Pr. 12 setting as follows:

3.7K or less...4%, 5.5K or more...2%

Note: 1. When the Pr. 12 setting is either of the following values f or 5.5K and 7.5K, it is automatically

changed when the Pr. 71 setting is changed: (1) When Pr. 12 setting is 4% (factory setting)

The Pr. 12 setting is changed to 2% automatically when the Pr. 71 setting is changed from [general-purpose motor selection value (0, 2 to 8, 20, 23, 24)] to [constant-torque motor selection value (1, 13 to 18)].

(2) When Pr. 12 setting is 2%

The Pr. 12 setting is changed to 4% (factory setting) automatically when the Pr. 71 setting is changed from [constant-torque motor selection value (1, 13 to 18)] to [general-purpose motor selection value (0, 2 to 8, 20, 23, 24)].

2. When Pr. 11 = "0 or 8888" or Pr. 12 = 0, DC dynamic brake operation cannot be performed.

CAUTION

In the orientation (using option) mode, do not set "8888" in Pr. 11.

The motor may not be stopped in the correct position.

Install a mechanical brake. No holding torque is provided.

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Page 83

PARAMETERS

Pr. 0 "torque boost" Pr. 80 "motor capacity" Pr. 81 "number of motor poles" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

Starting frequency (Pr. 13)

Pr. 13 "starting frequency"

You can set the starting frequency between 0 and 60Hz.

Set the starting frequency at which the start signal is switched on.

Parameter

Number

Factory Setting Setting Range

13 0. 5Hz 0.01 to 60Hz

Pr.13

Forward rotation

Output freq uency

(Hz)

Setting range

Frequency setting signal (V)

Time

Note: The inverter will not start if the frequency setting signal is less than the value set in Pr . 13 "starting

frequency". For example, when 5Hz is set in Pr. 13, the motor will start running when the fr equenc y setting signal reaches 5Hz.

Load pattern selection (Pr. 14)

Pr. 14 "load pattern selection"

You can select the optimum output characteristic (V/F characteristic) for the application and load characteristics.

Parameter

Number

Factory Setting Setting Range

14 0 0 to 5

100%

Pr.14=0

Output frequency (Hz)

For constant-torque loads (e.g. conveyor, cart)

Output voltage

Base frequency

Output frequency (Hz)

For variable-torque loads (Fan, pump)

100%

Output voltage

Base frequenc

Pr.14=1

Output frequency (Hz)

For lift

oost for forward rotation...Pr. 0 setting

oost for reverse rotation...0%

100%

Pr.0

Output voltage

Forward rotation

Reverse rotation

Base frequency

Pr.14=2

100%

Pr.0

Pr.14=3

Output frequency (Hz)

For lift Boost for forward rotation...0% Boost for reverse rotation...Pr. 0 setting

Output voltage

Reverse rotation

Forward rotation

Base frequency

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Page 84

PARAMETERS

Pr. 20 "acceleration/deceleration

reference frequency"

Pr. 21 "acceleration/deceleration time

increments" Pr. 79 "operation mode selection" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

Setting Output Characteristics Application

0 For constant-torque load Conveyor, cart, etc. 1 For variable-torque load Fan, pump 2 Boost for reverse rotation 0% Boost for forward rotation...Pr. 0 setting 3

For constant-

torque lift

Boost for forward rotation 0% Boost for reverse rotation...Pr. 0 setting

For lift load

ON...For constant-torque load (same as in setting = 0)

4 RT signal

OFF...For constant-torque lift, boost for reverse rotation 0% (same as in setting = 2) ON...For constant-torque load (same as in setting = 0)

5 RT signal

OFF...For constant-torque lift, boost for forward rotation 0% (same as in setting = 3)

Load pattern selection switching function using RT signal

Note: 1. This parameter setting is ignored when Pr. 80 and Pr. 81 have been set to select the advanced

magnetic flux vector control mode.

2. W hen the RT signal is on, the other second f unctions such as s econd acceleration/deceleration time and second torque boost are also selected.

3. W hen the setting is 4 or 5, X17 signal may be used instead of the RT signal. Us e any of Pr. 180 to Pr. 186 to assign the terminal used to input the X17 signal.

Jog operation (Pr. 15, Pr. 16)

Pr. 15 "jog frequency" Pr. 16 "jog acceleration/deceleration time"

In the external operation mode, jog operation can be started and stopped with the start signal (STF, STR) after selection of the jog mode (JOG signal ON). In the PU operation mode, jog operation can also be performed using the PU (FR-DU04/FR-PU04).

Set the frequency and acceleration/deceleration time for jog operation

Parameter

Number

Factory Setting Setting Range Remarks

15 5Hz 0 to 400Hz

0 to 3600 s When Pr. 21 = 0

16 0.5 s

0 to 360 s When Pr. 21 = 1

Pr.20

Pr.15

Pr.16

JOG

Reverse rotation STR

Output frequency (Hz)

Jog frequency setting range

Reverse rotation

Time

Forward rotation

Forward rotation STF

Note: 1. In S-shaped acceleration/deceleration pattern A, the set time is a period of tim e r equired to reach

Pr. 3 "base frequency".

2. The acceleration time and deceleration time cannot be set separately for jog operation.

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Page 85

PARAMETERS

MRS input selection (Pr. 17)

Pr. 17 "MRS input selection"

Used to select the logic of the MRS signal. When the MRS signal switches on, the inverter shuts off the output.

Parameter

Number

Factory Setting Setting Range

17 0 0, 2

Pr. 17 Setting Specifi cations of MRS Signal

Normally open input

Normally closed input (N/C contac t input specifications)

For sink logic

MRS

Setting 0 (factory setting) Setting 2

Output stop Output stop

Inverter Inverter

Pr.

Refer to Pr. 1, Pr. 2. Pr. 19 Î Refer to Pr. 3. Pr. 20, Pr. 21 Î Refer to Pr.15, Pr. 1

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Page 86

PARAMETERS

Pr. 48 "second stall prevention operation current" Pr. 49 "second stall prevention operation frequency" Pr. 73 "0-5V/0-10V selection" Pr. 114 "third stall prevention operation current" Pr. 115 "third stall prevention operation frequency" Pr. 156 "stall prevention operation selection"

Related parameters

Stall prevention (Pr. 22, Pr. 23, Pr. 66, Pr. 148, Pr. 149, Pr. 154)

Pr. 22 "stall prevention operation level" Pr. 23 "stall prevention operation level

at double speed" Pr. 66 "stall prevention operation level

reduction starting frequency" Pr. 148 "stall prevention operation level

at 0V input" Pr. 149 "stall prevention operation level

at 10V input" Pr. 154 "voltage reduction selection during stall

prevention operation"

You can set the stall prevention operation levels.

For high-speed operation at or over 60Hz, acceleration may not be made because the motor c urrent does not increase. To improve the operation characteristics of the motor in such a case, the stall prevention level in the high-frequency range can be reduced. This is effective for operation of a centrifugal s eparator up to the high-speed range. Normally, set 60Hz 〈50Hz〉 in Pr. 66 and 100% in Pr. 23.

For operation in the high-frequency range, the current in the locked motor s tate is smaller than the rated output current of the inverter and the inverter does not result in an alarm (protective function is not activated) if the motor is at a stop. To im prove this and activate the alar m, the s tall prevention level can be reduced.

In order to provide torque during stall prevention, Pr. 154 is fac tory-set not to reduce the output voltage. The setting of reducing the output voltage further decreases the probability of overcurrent trip occurrence.

The stall prevention operation level can be varied by entering the analog signal into terminal 1.

Parameter

Number

Factory Setting Setting Range Remarks

22 150% 0 to 200%, 9999 9999: Analog variable 23 9999 0 to 200%, 9999 9999: Constant according to Pr. 22 66 60Hz 〈50Hz

〉

0 to 400Hz 148 150% 0 to 200% (Bias) 149 200% 0 to 200% (Gain)

154 1 0, 1

0: Output voltage reduced 1: Output voltage not reduced

Pr.22

Pr.23

Pr.66

400Hz

Output frequency (Hz)

Stall prevention operation level (%)

Pr. 23 = 9999

Reduction ratio compensation factor (%)

150

60 45

22.5

600 100 200 300 400

Output freque ncy (Hz)

Setting example (Pr.22=150%, Pr.23=100%, Pr.66=60Hz)

Stall prevention operation level (%)

(170%)

(130%)

Pr.148

Pr.149

10(5)V

Input voltage (V) (across frequency setting terminals 1-5)

Stall prevention operation level (%)

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Page 87

PARAMETERS

Pr. 59 "remote setting function" Pr. 73 "0-5V/0-10V selection"

Related parameters

In Pr. 22, set the stall prevention operation level. Normally set it to 150% (factory setting). Set "0" in Pr. 22 to disable the stall prevention operation.

To reduce the stall prevention operation level in the high-frequency range, set the reduction starting

frequency in Pr. 66 and the reduction ratio compensation factor in Pr. 23.

Calculation expression for stall prevention operation level Stall prevention operation level (%) = A + B × [

Pr.22-A Pr.22-B

] × [

Pr.23-100

100

]

where, A =

Pr.66 (Hz) × Pr.22 (%) output frequency (Hz)

, B =

Pr.66 (Hz) × Pr.22(%)

400Hz

By setting "9999" (factory setting) in Pr. 23, the stall prevention operation level is constant at the Pr. 22

setting up to 400Hz.

Set "9999" in Pr. 22 to vary the stall prevention operation level using the analog signal (0-5V/0-10V) entered to the frequency setting auxiliary input terminal [1]. (Use Pr. 73 to select between 10V and 5V.)

Use Pr. 148 and Pr. 149 to adjust the gain and bias of the analog signal.

Set "0" in Pr. 154 to reduce the output voltage during stall prevention operation.

Note: 1. When Pr. 22 = "9999", terminal 1 is ex clusively used for setting the stall prevention operation

level. The auxiliary input and override functions are not activated.

CAUTION

Do not set a too small value as the stall prevention operation current. Ot herw ise, torque

generated will reduce.

Test operation must be performed. Stall prevention operation during acceleration may

increase the acceleration time. Stall prevention operation during constant speed may change the speed suddenly. Stall prevention operation during deceleration may increase the deceleration time, increasing the deceleration distance.

Pr. 24 to Pr. 27 Î Refer to Pr. 4 to Pr. 6.

Multi-speed input compensation (Pr. 28)

Pr. 28 "multi-speed input compensation"

By entering a compensation signal into the frequency setting auxiliary input terminal 1 (Note 2), the s peeds (frequencies) of multi-speed settings or the speed setting made by remote setting function can be compensated for.

Parameter

Number

Factory Setting Setting Range Remarks

28 0 0, 1

0: Not compensated, 1: Compensated

Note: 1. Use Pr. 73 to select the compensation input voltage between 0 to ±5V and 0 to ±10V.

2. When any of "4, 5, 14 and 15" is set in Pr. 73, the compensation signal is entered into terminal 2. (Override functions)

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Page 88

PARAMETERS

Pr. 3 "base frequency" Pr. 7 "acceleration time" Pr. 8 "deceleration time" Pr. 20 "acceleration/deceleration

reference frequency"

Pr. 44 "second acceleration/

deceleration time" Pr. 45 "second deceleration time" Pr. 110 "third acceleration/

deceleration time" Pr. 111 "third deceleration time"

Related parameters

Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143)

Pr. 29 "acceleration/deceleration pattern" Pr. 140 "backlash acceleration stopping frequency" Pr. 141 "backlash acceleration stopping time" Pr. 142 "backlash deceleration stopping frequency" Pr. 143 "backlash deceleration stopping time"

Set the acceleration/deceleration pattern. Also, you can suspend acceleration/deceleration at set frequencies and for the time period set in the parameters.

Parameter

Number

Factory Setting Setting Range Remarks

29 0 0, 1, 2, 3 3: Bac k l ash compensation 140 1.00Hz 0 to 400Hz Valid when Pr. 29 = 3. 141 0.5 s 0 to 360 s Valid when Pr. 29 = 3. 142 1.00Hz 0 to 400Hz Valid when Pr. 29 = 3. 143 0 s 0 to 360 s Valid when Pr. 29 = 3.

t Time

[Linear acceleration/deceleration]

Output frequency (Hz)

Set value 0

[S-shaped acceleration/deceleration A]

Time

Output frequency (Hz)

Set value 1

[S-shaped acceleration/deceleration B]

Output frequency (Hz)

Time

Set value 2

∆f2

Pr.142

∆t2 Pr.143∆t1 Pr.141

∆

f1 Pr.140

Output frequency (Hz)

Set value 3

[Backlash compensation function]

Time

Pr. 29

Setting

Function Description

Linear acceleration/ deceleration

Linear acceleration/deceleration is made up/down to the preset frequency (factory setting).

S-shaped acceleration/ deceleration A (Note 1)

For machine tool spindles This setting is used when it is nec essary to make acceleration/ deceleration in a short tim e up to the 60Hz or higher speed range. In this acceleration/ dec elerati on patt ern, f b (base f requency) is always t he inflection point of an S shape, and you can set the acceleration/ deceleration time according to the reduction in motor torque in the 60Hz or higher constant-output operation range.

S-shaped acceleration/ deceleration B

Prevention of cargo collapse on conveyor, et c. This setting provides S-shaped acceleration/deceleration from f2 (current frequency) to f1 (target frequency), easing an acceleration/dec eleration shock. This pattern has an effect on the prevention of cargo collapse, etc.

Backlash compensation (Note 2, 3)

Backlash compensation for reduction gear, etc. This function stops the speed c hange temporarily during acceleration/decel eration, reducing a shock generated when a reduction gear backlash is elim inated suddenly. Use Pr. 140 to Pr. 143 to set the stopping times and stopping f requencies in accordance with the above diagrams.

Note: 1. For the acceleration/deceleration time, set the time required to reach the "base frequency" in

Pr. 3, not the "acceleration/deceleration reference frequency" in Pr. 20. For details, refer to Pr. 7 and Pr. 8.

2. Pr. 140 to Pr. 143 is accessible when "3" is set in Pr. 29.

3. The acceleration/deceleration time is increased by the stopping time.

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Page 89

PARAMETERS

Pr. 180 "RL terminal function selection" Pr. 181 "RM terminal function selection" Pr. 182 "RH terminal function selection" Pr. 183 "RT terminal function selection" Pr. 184 "AU terminal function selection" Pr. 185 "JOG terminal function selection" Pr. 186 "CS terminal function selection"

Related parameters

Regenerative brake duty (Pr. 30, Pr. 70)

Pr. 30 "regenerative function selection" Pr. 70 "special regenerative brake duty"

When mak ing frequent starts/stops with a 7.5K or less inverter, us e the optional "high-duty brake resistor" (FR-ABR) to increase the regenerative brake duty.

Use the optional "high power factor converter (FR-HC)" to reduce har monics, im prove the power fact or, or continue the regenerative mode.

Parameter

Number

Factory Setting

Setting Range Remarks

30 0 0 to 2

0 to 15% 0.4K t o 1.5K 0 to 30% 2.2K t o 7.5K70 0%

0% 11K or more

<Setting> (1)

When using the built-in brake resistor, brake unit, power return converter

Set "0" in Pr. 30. The Pr. 70 setting is made invalid.

At this time, the regenerative brake duty is as follows:

*FR-A520-0.4K to 3.7K ...............3%

*FR-A520-5.5K to 7.5K ...............2%

*FR-A540-0.4K to 7.5K ...............2%

(2)

When using the high-duty brake resistor (FR-ABR)

Set "1" in Pr. 30.

Set "10%" in Pr. 70.

(3)

When using the high power factor converter (FR-HC)

1) Set "2" in Pr. 30.

2) Use any of Pr. 180 to Pr. 186 to assign the following signals to the contact input terminals.

X10: FR-HC connection (inverter operation enable signal) (Note 3) To make protective coordination with the high power factor converter (FR-HC), use the inverter operation enable signal to shut off the inverter output. Enter the RDY signal of the high power factor converter.

X11: FR-HC connection (instantaneous power failure detection signal) When the computer link inboard option (FR-A5NR) is used and the setting is made to hold the preinstantaneous power failure mode, use this signal to hold that mode. Enter the instantaneous power failure detection signal of the high power factor converter.

3) The Pr. 70 setting is made invalid. Set "10" and "11" in any of Pr. 180 to Pr. 186 to allocate the terminals used to input the X10 and X11 signals.

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Page 90

PARAMETERS

Note: 1. The Pr. 70 setting is invalid for the inverter of 11K or more.

2. Pr. 70 "regenerative brake duty" indicates the %ED of the built-in brak e transistor operation. Its setting should not be higher than the setting of the brake resis tor used. Otherwise, the brake resistor can overheat.

3. The X10 signal may be replaced by the MRS signal.

4. W hen terminal assignment is changed using Pr. 180 to Pr. 186, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

WARNING

The Pr. 70 setting must not exceed the setting of the brake resistor used. Otherwise, the

brake resistor can overheat.

Frequency jump (Pr. 31 to Pr. 36)

Pr. 31 "frequency jump 1A" Pr. 32 "frequency jump 1B" Pr. 33 "frequency jump 2A" Pr. 34 "frequency jump 2B" Pr. 35 "frequency jump 3A" Pr. 36 "frequency jump 3B"

When it is desired to avoid res onance attributable to the natural f requency of a m echanical system, thes e parameters allow resonant frequencies to be jumped. Up to three areas may be set, with the jump frequencies set to either the top or bottom point of each area.

The value set to 1A, 2A or 3A is a jump point and operation is performed at this frequency.

Parameter

Number

Factory

Setting

Setting Range Remarks

31 9999 0 to 400Hz, 9999 9999: Function invalid 32 9999 0 to 400Hz, 9999 9999: Function invalid 33 9999 0 to 400Hz, 9999 9999: Function invalid 34 9999 0 to 400Hz, 9999 9999: Function invalid 35 9999 0 to 400Hz, 9999 9999: Function invalid 36 9999 0 to 400Hz, 9999 9999: Function invalid

Pr.31

Pr.32

Pr.33

Pr.34

Pr.35

Pr.36

Frequency jump

Running frequency

To fix the frequency at 30Hz between Pr. 33 and Pr. 34 (30Hz and 35Hz), set 35Hz in Pr. 34 and 30Hz in Pr. 33.

Pr.34:35Hz Pr.33:30Hz

To jump to 35Hz between 30 and 35Hz, set 35Hz in Pr. 33 and 30Hz in Pr. 34.

Pr.33:35Hz Pr.34:30Hz

Note: 1. During acceleration/deceleration, the running frequency within the set area is valid.

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Page 91

PARAMETERS

Pr. 52 "PU main display data selection" Pr. 53 "PU level display data selection" Pr. 80 "motor capacity" Pr. 81 "number of motor poles"

Related parameters

Speed display (Pr. 37, Pr. 144)

Pr. 37 "speed display" Pr. 144 "speed setting switch-over"

The units of the running speed monitor display of the PU (FR-DU04/FR-PU04), the running speed setting in the PU operation mode, and the parameter setting used for frequency setting can be changed from the frequency to the motor speed or machine speed.

Parameter

Number

Factory Setting S etting Range Remarks

37 0 0, 1 to 9998 0: Frequency setting added

144 4

0, 2, 4, 6, 8, 10, 102,

104, 106, 108, 110

To display the machine speed, set in Pr. 37 the machine speed for 60Hz operation.

To display the motor speed, set the number of motor poles (2, 4, 6, 8, 10) or the number of motor poles plus 100 (102, 104, 106, 108, 110) in Pr. 144.

When values have been set in both Pr. 37 and Pr. 144, priority is as follows: Pr. 144 = 102 to 110 > Pr. 37 = 1 to 9998 > Pr. 144 = 2 to 10 Hence, the half-tone screened settings in the following list become valid.

When the running speed m onitoring has been selected, the parameter setting unit and the running speed setting unit in the PU operation mode depend on the combination of the Pr. 37 and Pr. 144 settings as indicated below:

Running Speed Monitor Display

Parameter Setting Unit

Running Speed Setting Unit

Pr. 37 Setting Pr. 144 Setting

Speed of 4-pole motor (r/min) 0 0

0 2 to 10Hz

1 to 9998

102 to 110Motor speed (r/min)

r/min 0

102 to 110

Hz 1 to 9998 0

Machine speed

r/min

1 to 9998 2 to 10

Note: 1. In the V/F control mode, the motor speed is converted from the output frequency and does not

match the actual speed. When the advanced magnetic flux vector control mode has been selected in Pr. 80 and 81, this display shows the calculated speed (estim ated value found by motor slippage calculation).

2. During PLG feedbac k control, the data displayed is the same as in advanced magnetic flux vector control. Note that the speed displayed is the actual speed from the PLG.

3. W hen the running speed display has been selected with "0" set in Pr. 37 and "0" in Pr . 144, the monitor display shows the speed reference for a 4-pole motor (1800r/min is displayed at 60Hz).

4. To change the PU m ain monitor (PU m ain display) or PU level meter (PU level display), refer to Pr. 52 and Pr. 53.

5. As the operation panel display is 4 digits, "----" is displayed when the monitored value exceeds "9999".

CAUTION

Make sure that the running speed and number of poles set are correct.

Otherwise, the motor might run at extremely high speed, damaging the machine.

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Page 92

PARAMETERS

Pr. 190 "RUN terminal function

selection" Pr. 191 "SU terminal function selection" Pr. 192 "IPF terminal function selection" Pr. 193 "OL terminal function selection" Pr. 194 "FU terminal function selection" Pr. 195 "ABC terminal function

selection"

Related parameters

Up-to-frequency sensitivity (Pr. 41)

Pr. 41 "up-to-frequency sensitivity"

The ON range of the up-to-frequency signal (SU) output when the output frequency reaches the running frequency can be adjusted between 0 and ±100% of the running frequency. This parameter can be used to ensure that the running frequency has been reached or used as the operation start signal etc. for related equipment.

Parameter

Number

Factory Setting Setting Range

41 10% 0 to 100%

Output frequency

Running frequency

Adjustable range

Pr.41

Output signal SU

Time

OFFOFF

Output frequency detection (Pr. 42, Pr. 43, Pr. 50, Pr. 116)

Pr. 42 "output frequency detection" Pr. 43 "output frequency detection for reverse rotation" Pr. 50 "second output frequency detection" Pr. 116 "third output frequency detection"

The output frequency signal (FU, FU2, FU3) is output when the output frequency reaches or exceeds the setting. This function can be used for electromagnetic brake operation, open signal, etc.

You can also set the detection of the frequency used exclusively for reverse rotation. This function is effective for switching the timing of electromagnetic brak e operation between forward rotation (rise) and reverse rotation (fall) during vertical lift operation, etc.

Parameter

Number

Factory Setting Set ting Range Remarks 42 6Hz 0 to 400Hz 43 9999 0 to 400Hz, 9999

9999: Same as Pr. 42

setting

50 30Hz 0 to 400Hz

116 9999 0 t o 400Hz, 9999 9999: Function invalid

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Page 93

PARAMETERS

Pr. 22 "stall prevention operation level" Pr. 23 "stall prevention operation level at double speed" Pr. 66 "stall prevention operation level reduction starting frequency" Pr. 154 "voltage reduction selection during stall prevention operation" Pr. 180 to Pr. 186 (input terminal function selection)

Related parameters

Refer to the figure below and set the corresponding parameters:

When Pr. 43 ≠ 9999, the Pr. 42 setting applies to forward rotation and the Pr. 43 setting applies to reverse rotation.

Pr.50

Pr.42

Pr.116

Pr.50

Pr.43

Pr.11

Output signal FU,FU2,FU3

Output frequency

Forward rotation

Reverse rotation

Time

OFF OFF OFFON ON

Output Signal

Parameter Number Output Signal

42 43

FU1

50 FU2

116 FU3

Use Pr. 190 to Pr. 195 to assign the terminals used to output the FU2 and FU3 signals.

Note: 1. W hen the inboard option unit is used to exercise PLG feedback control, use the RUN (running)

signal. (If the FU1, FU2 or FU3 signal is used, the brake may not be opened.)

2. W hen terminal assignment is changed using Pr. 190 to Pr. 195, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

Pr. 44, Pr. 45 Î Refer to Pr. 7. Pr. 46 Î Refer to Pr. 0. Pr. 47 Î Refer to Pr. 3.

Second/third stall prevention (Pr. 48, Pr. 49, Pr. 114, Pr. 115)

Pr. 48 "second stall prevention operation current" Pr. 49 "second stall prevention operation

frequency" Pr. 114 "third stall prevention operation

current" Pr. 115 "third stall prevention operation

frequency"

The stall prevention operation level can be changed within the range from 0Hz to the frequency set in Pr. 49 or Pr. 115.

The stall prevention operation level can be changed by switching the external input signal on-off.

Parameter

Number

Factory Setting Setting Range

48 150% 0 to 200%

49 0 0 to 400Hz, 9999 114 150% 0 to 200% 115 0 0 to 400Hz

Running frequenc

Stall prevention

operation current

Acceleration

Deceleration/constant speed

Pr.49

Pr.115

Pr.114

Pr.48

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Page 94

PARAMETERS

Set the stall prevention operation level in Pr. 48 and Pr. 114.

Refer to the following list to set values in Pr. 49 and Pr. 115.

Pr. 114 and Pr. 115 are made valid by switching on the X9 signal. Set "9" in any of Pr. 180 to Pr. 186 to allocate the terminal used to input the X9 signal.

Pr. 49 Setting Pr. 115 Setting Operation

Second (third) stall prevention function is not activated.

0.01Hz to 400Hz

Second (third) stall prevention function is activated according to the frequency as shown above.

9999

Cannot be set.

Second stall prevention function i s activated according to the RT signal.

RT signal ON..........Stall level Pr. 48

RT signal OFF ........Stall level Pr. 22

Note: 1. W hen Pr. 49 = "9999", setting "0" in Pr. 48 disables the stall prevention function when the RT

signal switches on. When Pr. 49 ≠ "9999" and Pr. 48 = "0", the stall prevention operation level is 0% when the frequency is equal to or less than the value set in Pr. 49.

2. W hen the stall prevention operation level signal input function is selected ( Pr. 22 = 9999), setting "9999" in Pr. 49 changes the stall prevention operation level from the value of the stall prevention operation level signal (terminal 1 input) to the value set in Pr. 48 when the RT signal switches on.

3. When both the RT and X9 signals are on, the third stall prevention function is selected.

4. When the RT (X9) signal is on, the second (third) functions such as second (third) acceleration/deceleration time are also selected.

5. W hen terminal assignment is changed using Pr. 180 to Pr. 186, the other functions may be affected. Check the functions of the corresponding terminals before making setting.

CAUTION

Do not set a too small value to the second (third) stall prevention operation current.

Otherwise, torque generated will decrease.

Pr. 50 Î Refer to Pr. 42.

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Page 95

PARAMETERS

Pr. 37 "speed display" Pr. 55 "frequency monitoring reference" Pr. 56 "current monitoring reference" Pr. 170 "watt-hour meter clear" Pr. 171 "actual operation hour meter clear" Pr. 900 "FM terminal calibration" Pr. 901 "AM terminal calibration"

Related parameters

Monitor display/FM, AM terminal function selection (Pr. 52 to Pr. 54, Pr. 158)

Pr. 52 "DU/PU main display screen data selection" Pr. 53 "PU level display data selection" Pr. 54 "FM terminal function selection" Pr. 158 "AM terminal function selection"

You can select the signals shown on the operation panel (FR-DU04)/parameter unit (FR-PU04) main display screen and on the parameter unit (FR-PU04) level m eter and signals output to the FM and AM terminals.

There are two different signal outputs: FM pulse train output terminal and AM analog output terminal. Select the signals using Pr. 54 and Pr. 158.

Parameter

Number

Factory Setting Setting Range

52 0 0 to 20, 22 to 25, 100 53 1 0 to 3, 5 to 14, 17, 18 54 1 1 to 3, 5 to 14, 17, 18, 21

158 1 1 to 3, 5 to 14, 17, 18, 21

Set Pr. 52 to Pr. 54 and Pr. 158 in accordance with the following table:

Parameter Setting

Pr.52 Pr.53 Pr.54 Pr.158

Signal Type

Display

Unit

LED

main

monitor

PU level

meterFMterminalAMterminal

Full-Scale Value of

FM, AM, Level Meter

No display

 × ×

×× 

Output frequency Hz 0/ 100 0/100 1 1 1 Pr. 55 Output current A 0/100 0/100 2 2 2 Pr. 56 Output voltage V 0/100 0/100 3 3 3 400V or 800V Alarm display



0/100 0/100

××× 

Frequency setting Hz 5 * 5 5 5 Pr. 55 Running speed r/ min 6 * 6 6 6

Pr. 55 value converted into Pr. 37

value Motor torque % 7 * 7 7 7 Rated torque of applied motor × 2 Converter output voltage V 8 * 8 8 8 400V or 800V Regenerative brake duty % 9 * 9 9 9 Pr. 70 Electronic overcurrent protection load factor

% 10 * 10 10 10 Protection operation level

Output current peak value

A 11 * 11 11 11 Pr. 56

Converter output voltage peak value

V 12 * 12 12 12 400V or 800V

Input power kW 13 * 13 13 13 Rated power of inverter rating × 2 Output power kW 14 * 14 14 14 Rated power of inverter rat i ng × 2 Input terminal status

 ×

××× 

Output terminal status

 ×

××× 

Load meter ** % 17 17 17 17 17 Pr. 56 Motor exciting current A 18 18 18 18 18 Pr. 56 Position pulse



19 19

××× 

Cumulative operation time

hr 20 20

××× 

Reference voltage output

 × × ×

21 21

1440Hz is output to FM terminal.

Full-scale voltage is output to AM

terminal. Orientation status



22 22

××× 

Actual operation time hr 23 23

××× 

Motor load factor % 24 24

×××

Rated inverter current × 2

Cumulative power kW 25 25

××× 

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Page 96

PARAMETERS

When 100 is set in Pr. 52, the m onitored values during stop and during operation differ as indicated below: (The LED on the left of Hz flickers during a stop and is lit during running.)

Pr. 52

0 100

During operation/during

stop

During stop During operation

Output frequency Output frequency Set frequency Output f requenc y Output current Output current Output voltage Output voltage Alarm display Alarm display

Note: 1. During an error, the output frequency at error occurrence is displayed.

2. During MRS, the values are the same as during a stop. During of fline auto tuning, the tuning status monitor has priority.

Note: 1. The monitoring of items marked × cannot be selected.

2. By setting "0" in Pr. 52, the monitoring of "output frequenc y to alarm display" can be selected in sequence by the SHIFT key.

3. *"Frequency setting to output terminal status" on the PU main monitor are selected by "other monitor selection" of the parameter unit (FR-PU04).

4. **The load meter is displayed in %, with the current set in Pr. 56 regarded as 100%.

5. The motor torque display is valid only in the advanced magnetic flux vector control mode.

6. The actual operation time displayed by setting "23" in Pr. 52 is calculated using the inverter operation time. (Inverter stop time is not included.) Set "0" in Pr. 171 to clear it.

7. When Pr. 53 = "0", the level meter display of the parameter unit can be erased.

8. By setting "1, 2, 5, 6, 11, 17 or 18" in Pr. 53, the full-scale value can be set in Pr. 55 or Pr. 56.

9. The cumulative operation time and actual operation time are calculated from 0 to 65535 hours, then cleared, and recalculated from 0. When the operation panel (FR-DU04) is used, the display shows "----" after 9999 or more hours have elapsed. Whether 9999 or more hours have elapsed or not can be confirmed on the parameter unit (FR-PU04).

10. The actual operation time is not calculated unless the inverter has operated for longer than one hour continuously.

11. When the operation panel (FR-DU04) is used, the display unit is Hz, V or A only.

12. The orientation status func tions when the FR-A5AP option is used. If the option is not us ed, "22" may be set in Pr. 52 and the value displayed remains "0" and the function is invalid.

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Page 97

PARAMETERS

Pr. 37 "speed display" Pr. 53 "PU level display data selection" Pr. 54 "FM terminal function selection" Pr. 158 "AM terminal function selection" Pr. 900 "FM terminal calibration" Pr. 901 "AM terminal calibration"

Related parameters

Monitoring reference (Pr. 55, Pr. 56)

Pr. 55 "frequency monitoring reference" Pr. 56 "current monitoring reference"

Set the frequency or current which is referenced for dis play when the frequency or current is selected for the FM and AM terminals and PU level meter display.

Parameter

Number

Factory Setting S et ting Range

55 60Hz 〈50Hz

〉

0 to 400Hz

Rated output

current

0 to 500A

Pr.56Pr.55

1440 pulses/second. (terminal FM) 10VDC (terminal AM) Full scale (PU level monitor)

Output or display

Output frequency Frequency setting Running speed

Output current Output current peak value Load meter

1440 pulses/second. (terminal FM) 10VDC (terminal AM) Full scale (PU level monitor)

Referring to the above figures and following table, set Pr. 55 and Pr. 56:

Monitoring Reference

Setting Parameter

Monitored Data Selection

PU Level Display

Selection

Pr. 53 Setting

FM Terminal Function

Selection

Pr. 54 Setting

AM Terminal Function

Selection

Pr. 158 Setting Output frequency (Hz)) 1 1 1 Frequency setting (Hz) 5 5 5

Frequency monitoring reference Pr. 55

Running speed (Pr. 37) 6 6 6 Output current (A) 2 2 2 Output current peak value (A)

11 11 11

Load meter (%) 17 17 17

Current monitoring reference Pr. 56

Motor exciting current (A) 18 18 18

Setting using Pr. 55, Pr. 56

Set to make the PU level meter indication to be in full-scale.

Set to make the terminal FM pulse train output to be 1440 pulses/second.

Set to make the terminal AM output voltage to be 10V.

Note: 1. T he maximum pulse train output of term inal FM is 2400 pulses/s econd. If Pr. 55 is not adjusted,

the output of terminal FM will be filled to capacity. Therefore, adjust Pr. 55.

2. The maximum output voltage of terminal AM is 10VDC.

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Page 98

PARAMETERS

Automatic restart after instantaneous power fail ure (Pr. 57, Pr. 58, Pr. 162 to Pr. 165)

Pr. 57 "coasting time for automatic restart after instantaneous power failure/commercial power supply-inverter switch-over"

Pr. 58 "cushion time for automatic restart after instantaneous power failure/commercial power supply-inverter switch-over"

Pr.162 "Automatic restart after instantaneous power failure selection" Pr.163 "First cushion time for restart" Pr.164 "First cushion voltage for restart" Pr.165 "Restart stall prevention operation level"

You can restart the inverter without stopping the motor (with the motor coasting) when the commercial power supply is switched to the inverter operation or when the power is restored after an instantaneous power failure. (When autom atic restart operation is set to be enabled, UVT and IPF among the alarm output signals will not be output at occurrence of an instantaneous power failure.)

Parameter

Number

Factory Setting Setting Range Remarks

57 9999 0, 0.1 to 5 s, 9999 9999: No restart 58 1.0 s 0 to 60 s

162 0 0, 1

0: Frequency search, 1: No frequency

search 163 0 s 0 to 20 s 164 0% 0 to 100% 165 150% 0 to 200%

(Pr.163)

Pr.58

Pr.164

STF

NFB

CS SD

S1 〈L21〉

R1 〈L

〉

T 〈L3〉

S 〈L2〉

R 〈L1〉

MC1

MC2

MC3

Connect CS-SD for use of only automatic restart after instantaneous power failure.

Voltage

Time

Voltage rise time

MC switching sequence

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Page 99

PARAMETERS

Refer to the above figures and following table, and set the parameters:

Parameter

Number

Setting Description

Frequency search made Frequency search is made after detec tion of an instantaneous power failure.

162

No frequency search Independently of the motor coasting speed, the output voltage i s gradually increased with the frequency kept as preset.

0.4K to 1.5K 0.5 s coasti ng time

2.2K to 7.5K 1.0 s coasti ng time

11K or more 3.0 s coasti ng time

Generally use this setting.

0.1 to 5 s

Waiting time f or invert er-triggered res tart aft er power is res tored from an ins tant aneous power failure. (Set this time bet ween 0.1 s and 5 s according to the inertia moment (GD

) and torque of the load.)

9999

No restart

0 to 60 s

163

0 to 20 s

164

0 to 100%

165

0 to 200%

Normally the motor may be run with the f actory settings . These values are adjustable to the load (inertia moment, torque).

Note: 1. W hen restart operation is selected, UVT and IPF am ong the alarm output signals are not output

at occurrence of an instantaneous power failure.

2. If the inverter c apacity is more than one rank higher than the motor capacity, an overcurrent (OCT) alarm may take place, disabling the motor from starting.

3. When Pr. 57 ≠ 9999, the inverter will not run if the CS signal remain off.

4. W hen Pr. 162 = "0", connection of two or more motors to one inverter will make the inverter function improperly. (The inverter will not start properly.)

5. W hen Pr . 162 = "0", the DC dynamic brake is operated instantly on detection of restarting speed. Therefore, if the inertia moment (GD

) of the load is small, the speed may reduce.

6. W hen Pr. 162 = "1", the output frequency before an instantaneous power failure is stor ed and output at the time of restart. If the power of the inverter c ontrol circ uit is lost, the f requenc y before an instantaneous power failure cannot be stored and the inverter will start at 0Hz.

7. The SU and FU s ignals are not output during restart but are output af ter the res tart cushion time has elapsed.

CAUTION

Provide mechanical interlocks for MC1 and MC2.

The inverter will be damaged if power is entered into the inverter output section.

When automatic restart after instantaneous power failure has been selected, the motor and

machine will start suddenly (after the reset time has elapsed) after occurrence of an instantaneous power failure. Stay away from the motor and machine. When you have selected automatic restart after instantaneous power failure, apply the supplied CAUTION seals in easily visible places.

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Page 100

PARAMETERS

•••••••

Pr. 1 "maximum frequency" Pr. 7 "acceleration time" Pr. 8 "deceleration time" Pr. 18 "high-speed maximum frequency" Pr. 28 "multi-speed input compensation" Pr. 44 "second acceleration/deceleration time" Pr. 45 "second deceleration time"

Related parameters

Remote setting function selection (Pr. 59)

Pr. 59 "remote setting function selection"

If the operator panel is located away from the control box, you can use contact signals to perfor m c ontinuous variable-speed operation, without using analog signals.

By merely setting this parameter, you can use the acceleration, deceleration and setting clear func tions of the motorized speed setter (FR-FK).

When the remote function is used, the output frequency of the inverter can be compensated for as follows: External operation mode Frequency set by RH/RM operation plus external running frequency other

than multi-speeds (Set "1" in Pr. 28 to select the compensation input (terminal 1).)

PU operation mode Frequency set by RH/RM operation plus PU running frequency

Parameter

Number

Factory Setting Sett i ng Range

59 0 0, 1, 2

Output frequency

Acceleration (RH)

Deceleration (RM)

Clear (RL)

Forward rotation (STF)

Time

ON ON

Refer to the following table and set the parameter:

Operation

Pr. 59 Setting

Remote setting function

Frequency setting storage

function

0No



1Yes Yes 2Yes No

Use Pr. 59 to select whether the remote setting function is used or not and whether the fr equency setting storage function in the remote setting mode is used or not. When "remote setting function - yes" is selected, the functions of terminals RH, RM and RL are changed to acceleration (RH), dec eleration (RM) and clear (RL).

Note: 1. The frequency can be varied by RH (acceleration) and RM (deceleration) between 0 and the

maximum frequency (Pr. 1 or Pr. 18 setting).

2. W hen the acceleration or deceleration signal switches on, the set frequency varies acc ording to the slope set in Pr. 44 or Pr. 45. The output frequency acceleration/deceleration tim es are as set in Pr. 7 and Pr. 8, respectively. Therefore, the longer preset tim es are used to vary the actual output frequency.

3. The frequenc y setting storage function stores in memory the rem otely-set frequency (frequency set by RH/RM operation) when the acceleration and deceleration signals remain off for more than 1 minute or as soon as the start signal (STF or STR) switches off. W hen power is switched off, then on, operation is resumed with that value.

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Mitsubishi FR-A540-0.4K-55K, FR-A540-0.4K, FR-A520-0.4K-55K-NA, FR-A540-0.4K-55K-NA, FR-A500 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual