Hitachi SJ300-037HFE User Manual

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HITACHI

SJ300 Series Inverter Instruction Manual

• Three-phase Input 200V Class

• Three-phase Input 400V Class

UL Version Models CE Version Models

Manual Number: NB613XH

December 2003

Hitachi Industrial Equipment Systems Co., Ltd.

After reading this manual,

keep it handy for future reference.

Safety Messages

For the best results with the SJ300 Series inverter, carefully read this manual and all of the warning labels attached to the inverter before installing and operating it, and follow the instructions exactly. Keep this manual handy for quick reference.

SJ300 Inverter

Definitions and Symbols

A safety instruction (message) includes a hazard alert symbol and a signal word, WARNING or CAUTION. Each signal word has the following meaning:

This symbol indicates HIGH VOLTAGE. It calls your attention to items or operations that could be dangerous to you and other persons operation this equipment. Read the message and follow the instructions carefully.

This symbol is the “Safety Alert Symbol.” It occurs with either of two signal words: CAUTION or WARNING, as described below.

WARNING: Indicates a potentially hazardous situation that, if not avoided, can result in serious injury or death.

CAUTION: Indicates a potentially hazardous situation that, if not avoided, can result in minor to moderate injury, or serious damage to the product. The situation described in the CAUTION may, if not avoided, lead to serious results. Important safety measures are described in CAUTION (as well as WARNING), so be sure to observe them.

STEP: A step is one of a series of action steps required to accomplish a goal. The number of the step will be contained in the step symbol.

NOTE: Notes indicate an area or subject of special merit, emphasizing either the product’s capabilities or common errors in operation or maintenance.

TIP: Tips give a special instruction that can save time or provide other benefits while installing or using the product. The tip calls attention to an idea that may not be obvious to first-time users of the product.

Hazardous High Voltage

HIGH VOLTAGE: Motor control equipment and electronic controllers are connected to hazardous line voltages. When servicing drives and electronic controllers, there may be exposed components with housings or protrusions at or above line potential. Extreme care should be taken to protect against shock. Stand on an insulating pad and make it a habit to use only one hand when checking components. Always work with another person in case an emergency occurs. Disconnect power before checking controllers or performing maintenance. Be sure equipment is properly grounded. Wear safety glasses whenever working on electronic controllers or rotating machinery.

General Precautions - Read These First!

WARNING: This equipment should be installed, adjusted, and serviced by qualified electrical maintenance personnel familiar with the construction and operation of the equipment and the hazards involved. Failure to observe this precaution could result in bodily injury.

WARNING: The user is responsible for ensuring that all driven machinery, drive train mechanism not supplied by Hitachi Industrial Equipment Systems Co., Ltd., and process line material are capable of safe operation at an applied frequency of 150% of the maximum selected frequency range to the AC motor. Failure to do so can result in destruction of equipment and injury to personnel should a single-point failure occur.

WARNING: For equipment protection, install a ground leakage type breaker with a fast response circuit capable of handling large currents. The ground fault protection circuit is not designed to protect against personal injury.

HIGH VOLTAGE: HAZARD OF ELECTRICAL SHOCK. DISCONNECT INCOMING POWER BEFORE WORKING ON THIS CONTROL.

WARNING: Wait at least five (5) minutes after turning OFF the input power supply before performing maintenance or an inspection. Otherwise, there is the danger of electric shock.

CAUTION: These instructions should be read and clearly understood before working on SJ300 series equipment.

CAUTION: Proper grounds, disconnecting devices and other safety devices and their location are the responsibility of the user and are not provided by Hitachi Industrial Equipment Systems Co., Ltd.

CAUTION: Be sure to connect a motor thermal disconnect switch or overload device to the SJ300 series controller to assure that the inverter will shut down in the event of an overload or an overheated motor.

HIGH VOLTAGE: Dangerous voltage exists until power light is OFF. Wait at least 5 minutes after input power is disconnected before performing maintenance.

CAUTION: This equipment has high leakage current and must be permanently (fixed) hardwired to earth ground via two independent cables.

WARNING: Rotating shafts and above-ground electrical potentials can be hazardous. Therefore, it is strongly recommended that all electrical work conform to the National Electrical Codes and local regulations. Installation, alignment and maintenance should be performed only by qualified personnel. Factory-recommended test procedures included in the instruction manual should be followed. Always disconnect electrical power before working on the unit.

SJ300 Inverter

CAUTION:

a) Motor must be connected to protective ground via low resistive path (< 0.1Ω) b) Any motor used must be of a suitable rating. c) Motors may have hazardous moving parts. In this event suitable protection must be provided.

CAUTION: Alarm connection may contain hazardous live voltage even when inverter is disconnected. When removing the front cover for maintenance or inspection, confirm that incoming power for alarm connection is completely disconnected.

CAUTION: Hazardous (main) terminals for any interconnection (motor, contact breaker, filter, etc.) must be inaccessible in the final installation.

CAUTION: The end application must be in accordance with BS EN60204-1. Refer to the section “ suitably amended for your application.

CAUTION: Connection to field wiring terminals must be reliably fixed having two independent means of mechanical support. Using a termination with cable support (figure below), or strain relief, cable clamp, etc.

Step-by-Step Basic Installation” on page 2–6. The diagram dimensions are to be

iii

Terminal (ring lug)

CAUTION: A three-pole disconnection device must be fitted to the incoming main power supply close to the inverter. Additionally, a protection device meeting IEC947-1/IEC947-3 must be fitted at this point (protection device data shown in “

on page 2–14).

NOTE: The above instructions, together with any other requirements are highlighted in this manual, and must be followed for continued LVD (European Low Voltage Directive) compliance.

Cable support

Cable

Determining Wire and Fuse Sizes”

Index to Warnings and Cautions in This Manual

Installation—Cautions for Mounting Procedures

CAUTION: Be sure to install the unit on flame-resistant material such as a steel plate. Otherwise, there is the danger of fire.

CAUTION: Be sure not to place any flammable materials near the inverter. Otherwise, there is the danger of fire.

CAUTION: Be sure not to let the foreign matter enter vent openings in the inverter housing, such as wire clippings, spatter from welding, metal shavings, dust, etc. Otherwise, there is the danger of fire.

CAUTION: Be sure to install the inverter in a place that can bear the weight according to the specifications in the text (Chapter 1, Specifications Tables). Otherwise, it may fall and cause injury to personnel.

CAUTION: Be sure to install the unit on a perpendicular wall that is not subject to vibration. Otherwise, it may fall and cause injury to personnel.

CAUTION: Be sure not to install or operate an inverter that is damaged or has missing parts. Otherwise, it may cause injury to personnel.

CAUTION: Be sure to install the inverter in a well-ventilated room that does not have direct exposure to sunlight, a tendency for high temperature, high humidity or dew condensation, high levels of dust, corrosive gas, explosive gas, inflammable gas, grinding-fluid mist, salt air, etc. Otherwise, there is the danger of fire.

............... 2–6

CAUTION: Be sure to maintain the specified clearance area around the inverter and to provide adequate ventilation. Otherwise, the inverter may overheat and cause equipment damage or fire.

............... 2–7

Wiring—Warnings for Electrical Practices and Wire Specifications

WARNING: “Use 60/75°C Cu wire only” or equivalent. ............. 2–13

WARNING: “Open Type Equipment.” For models SJ300–750H to SJ300– 1500H.

WARNING: “A Class 2 circuit wired with Class 1 wire” or equivalent. ............. 2–13

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms symmetrical amperes, 240 V maximum.” For models with suffix L.

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms symmetrical amperes, 480 V maximum.” For models with suffix H.

............. 2–13

SJ300 Inverter

HIGH VOLTAGE: Be sure to ground the unit. Otherwise, there is a danger of electric shock and/or fire.

HIGH VOLTAGE: Wiring work shall be carried out only by qualified personnel. Otherwise, there is a danger of electric shock and/or fire.

HIGH VOLTAGE: Implement wiring after checking that the power supply is OFF. Otherwise, you may incur electric shock and/or fire.

HIGH VOLTAGE: Do not connect wiring to an inverter or operate an inverter that is not mounted according the instructions given in this manual. Otherwise, there is a danger of electric shock and/or injury to personnel.

Wiring—Cautions for Electrical Practices

CAUTION: Be sure that the input voltage matches the inverter specifications: • Three phase 200 to 240V 50/60Hz • Three phase 380 to 480V 50/ 60Hz

CAUTION: Be sure not to power a three-phase-only inverter with single phase power. Otherwise, there is the possibility of damage to the inverter and the danger of fire.

............. 2–13

............. 2–19

CAUTION: Be sure not to connect an AC power supply to the output terminals. Otherwise, there is the possibility of damage to the inverter and the danger of injury and/or fire.

Power Input Power Output

L1 L3

RST

T1 T2 T3

UVW

NOTE:

L1, L2, L3: Three-phase 200 to 240V 50/60 Hz

Three-phase 380 to 480V 50/60 Hz

............. 2–19

CAUTION: Fasten the screws with the specified fastening torque in the table below. Check for any loosening of screws. Otherwise, there is the danger of fire.

CAUTION: Remarks for using ground fault interrupter breakers in the main power supply: Adjustable frequency inverters with CE-filters (RFI-filter) and shielded (screened) motor cables have a higher leakage current toward Earth GND. Especially at the moment of switching ON this can cause an inadvertent trip of ground fault interrupter breakers. Because of the rectifier on the input side of the inverter there is the possibility to stall the switch-off function through small amounts of DC current. Please observe the following: • Use only short time-invariant and pulse current-sensitive ground fault interrupter breakers with higher trigger current. • Other components should be secured with separate ground fault interrupter breakers. • Ground fault interrupter breakers in the power input wiring of an inverter are not an absolute protection against electric shock.

CAUTION: Be sure to install a fuse in each phase of the main power supply to the inverter. Otherwise, there is the danger of fire.

CAUTION: For motor leads, ground fault interrupter breakers and electromagnetic contactors, be sure to size these components properly (each must have the capacity for rated current and voltage). Otherwise, there is the danger of fire.

CAUTION: Failure to remove all vent opening covers before electrical operation may result in damage to the inverter.

............. 2–16

............. 2–19

............. 2–20

Powerup Test Caution Messages

CAUTION: The heat sink fins will have a high temperature. Be careful not to touch them. Otherwise, there is the danger of getting burned.

CAUTION: The operation of the inverter can be easily changed from low speed to high speed. Be sure to check the capability and limitations of the motor and machine before operating the inverter. Otherwise, there is the danger of injury.

CAUTION: If you operate a motor at a frequency higher than the inverter standard default setting (50Hz/60Hz), be sure to check the motor and machine specifications with the respective manufacturer. Only operate the motor at elevated frequencies after getting their approval. Otherwise, there is the danger of equipment damage and/or injury to personnel.

CAUTION: Check the following before and during the powerup test. Otherwise, there is the danger of equipment damage. • Is the shorting bar between the [P] and [PD] terminals installed? DO NOT power or operate the inverter if the jumper is removed. • Is the direction of the motor rotation correct? • Did the inverter trip during acceleration or deceleration? • Were the rpm and frequency meter readings as expected? • Were there any abnormal motor vibrations or noise?

............. 2–21

............. 2–22

Warnings for Operations and Monitoring

SJ300 Inverter

vii

WARNING: Be sure to turn ON the input power supply only after closing the front case. While the inverter is energized, be sure not to open the front case. Otherwise, there is the danger of electric shock.

WARNING: Be sure not to operate electrical equipment with wet hands. Otherwise, there is the danger of electric shock.

WARNING: While the inverter is energized, be sure not to touch the inverter terminals even when the motor is stopped. Otherwise, there is the danger of electric shock.

WARNING: If the Retry Mode is selected, the motor may suddenly restart after a trip stop. Be sure to stop the inverter before approaching the machine (be sure to design the machine so that safety for personnel is secure even if it restarts.) Otherwise, it may cause injury to personnel.

WARNING: If the power supply is cut OFF for a short period of time, the inverter may restart operation after the power supply recovers if the Run command is active. If a restart may pose danger to personnel, so be sure to use a lock-out circuit so that it will not restart after power recovery. Otherwise, it may cause injury to personnel.

WARNING: The Stop Key is effective only when the Stop function is enabled. Be sure to enable the Stop Key separately from the emergency stop. Otherwise, it may cause injury to personnel.

WARNING: During a trip event, if the alarm reset is applied and the Run command is present, the inverter will automatically restart. Be sure to apply the alarm reset only after verifying the Run command is OFF. Otherwise, it may cause injury to personnel.

............... 4–3

WARNING: Be sure not to touch the inside of the energized inverter or to put any conductive object into it. Otherwise, there is a danger of electric shock and/or fire.

WARNING: If power is turned ON when the Run command is already active, the motor will automatically start and injury may result. Before turning ON the power, confirm that the RUN command is not present.

WARNING: When the Stop key function is disabled, pressing the Stop key does not stop the inverter, nor will it reset a trip alarm.

WARNING: Be sure to provide a separate, hard-wired emergency stop switch when the application warrants it.

WARNING: If the power is turned ON and the Run command is already active, the motor starts rotation and is dangerous! Before turning power ON, confirm that the external Run command is not active.

WARNING: After the Reset command is given and the alarm reset occurs, the motor will restart suddenly if the Run command is already active. Be sure to set the alarm reset after verifying that the Run command is OFF to prevent injury to personnel.

WARNING: You may need to disconnect the load from the motor before performing auto-tuning. The inverter runs the motor forward and backward for several seconds without regard to load movement limits.

............... 4–3

............. 4–12

............. 4–27

............. 4–67

viii

Cautions for Operations and Monitoring

CAUTION: The heat sink fins will have a high temperature. Be careful not to touch them. Otherwise, there is the danger of getting burned.

CAUTION: The operation of the inverter can be easily changed from low speed to high speed. Be sure check the capability and limitations of the motor and machine before operating the inverter. Otherwise, it may cause injury to personnel.

CAUTION: It is possible to damage the inverter or other devices if your application exceeds the maximum current or voltage characteristics of a connection point.

CAUTION: Be careful not to turn PID Clear ON and reset the integrator sum when the inverter is in Run Mode (output to motor is ON). Otherwise, this could cause the motor to decelerate rapidly, resulting in a trip.

CAUTION: When the motor runs at lower speeds, the cooling effect of the motor’s internal fan decreases.

CAUTION: If the inverter capacity is more than twice the capacity of the motor in use, the inverter may not achieve its full performance specifications.

............... 4–2

............... 4–7

............. 4–30

............. 4–55

............. 4–70

CAUTION: You must use a carrier frequency of more than 2.1kHz. The inverter cannot operate in vector control mode at less than 2.1 kHz carrier frequency.

Warnings and Cautions for Troubleshooting and Maintenance

WARNING: Wait at least five (5) minutes after turning OFF the input power supply before performing maintenance or an inspection. Otherwise, there is the danger of electric shock.

WARNING: Make sure that only qualified personnel will perform maintenance, inspection, and part replacement. Before starting to work, remove any metallic objects from your person (wristwatch, bracelet, etc.). Be sure to use tools with insulated handles. Otherwise, there is a danger of electric shock and/or injury to personnel.

WARNING: Never remove connectors by pulling on its wire leads (wires for cooling fan and logic P.C. board). Otherwise, there is danger of fire due to wire breakage and/or injury to personnel.

CAUTION: Do not connect the megger to any control circuit terminals such as intelligent I/O, analog terminals, etc. Doing so could cause damage to the inverter.

CAUTION: Never test the withstand voltage (HIPOT) on the inverter. The inverter has a surge protector between the main circuit terminals above and the chassis ground.

............. 4–70

............... 6–2

............. 6–11

SJ300 Inverter

WARNING: The screws that retain the capacitor bank assembly are part of the electrical circuit of the high-voltage internal DC bus. Be sure that all power has been disconnected from the inverter, and that you have waited at least 5 minutes before accessing the terminals or screws. Be sure the charge lamp is extinguished. Otherwise, there is the danger of electrocution to personnel.

CAUTION: Do not operate the inverter unless you have replaced the two screws that connect the capacitor bank assembly to the internal DC bus. Otherwise, damage to the inverter may occur.

CAUTION: Remove the fan assembly carefully, since it is attached to the unit via connecting wires.

HIGH VOLTAGE: Be careful not to touch wiring or connector terminals when working with the inverters and taking measurements. Be sure to place the measurement circuitry above in an insulated housing before using them.

General Warnings and Cautions

WARNING: Never modify the unit. Otherwise, there is a danger of electric shock and/or injury.

............. 6–13

............. 6–14

............. 6–16

CAUTION: Withstand voltage tests and insulation resistance tests (HIPOT) are executed before the units are shipped, so there is no need to conduct these tests before operation.

CAUTION: Do not attach or remove wiring or connectors when power is applied. Also, do not check signals during operation.

CAUTION: Do not stop operation by switching OFF electromagnetic contactors on the primary or secondary sides of the inverter.

Power

Input

MCCB GFI

L1, L2, L3

When there has been a sudden power failure while a Run command is active, then the unit may restart operation automatically after the power failure has ended. If there is a possibility that such an occurrence may harm humans, then install an electromagnetic contactor on the power supply side, so that the circuit does not allow automatic restarting after the power supply recovers. If an optional remote operator is used and the retry function has been selected, this will also allow automatic restarting when a Run command is active. So, please be careful.

Ground fault

interrupter

R, S, T

Inverter

U, V, W

Motor

CAUTION: Do not insert leading power factor capacitors or surge absorbers between the output terminals of the inverter and motor.

Powe r

Input

L1, L2, L3

Ground fault

interrupter

GFI

R, S, T

Inverter

U, V, W

GND lug

Surge absorber

Motor

Leading power

factor capacitor

CAUTION: Be sure to connect the grounding terminal to earth ground.

CAUTION: When inspecting the unit, be sure to wait five minutes after tuning OFF the power

supply before opening the cover.

CAUTION: SUPPRESSION FOR NOISE INTERFERENCE FROM INVERTER

The inverter uses many semiconductor switching elements such as transistors and IGBTs. Thus, a radio receiver or measuring instrument located near the inverter is susceptible to noise interference. To protect the instruments from erroneous operation due to noise interference, they should be used well away from the inverter. It is also effective to shield the whole inverter structure. The addition of an EMI filter on the input side of the inverter also reduces the effect of noise from the commercial power line on external devices. Note that the external dispersion of noise from the power line can be minimized by connecting an EMI filter on the primary side of inverter.

Power

source

EMI filter

Inverter

Motor

noise

Completely ground the enclosed panel, metal screen, etc. with as short a wire as possible.

EMI filter

Inverter

Remote

operator

Motor

Grounded frame

Conduit or shielded cable— to be grounded

SJ300 Inverter

CAUTION: MOTOR TERMINAL VOLTAGE SURGE SUPPRESSION FILTER (For 400 V CLASS Inverters)

In a system using an inverter with the voltage control PWM system, a voltage surge caused by the cable constants such as the cable length (especially when the distance between the motor and inverter is 10 m or more) and cabling method may occur at the motor terminals. A dedicated filter of the 400 V class for suppressing this voltage surge is available. Be sure to install a filter in this situation. (See “LCR filter” on page 5–2, part type HRL–xxxC.)

CAUTION: EFFECTS OF POWER DISTRIBUTION SYSTEMS ON INVERTERS

In the cases below involving a general-purpose inverter, a large peak current can flow on the power supply side, sometimes destroying the converter module:

1. The unbalance factor of the power supply is 3% or higher.

2. The power supply capacity is at least 10 times greater than the inverter capacity (or the power supply capacity is 500 kVA or more).

3. Abrupt power supply changes are expected, due to conditions such as: a. Several inverters are interconnected with a short bus. b. A thyristor converter and an inverter are interconnected with a short bus. c. An installed phase advance capacitor opens and closes.

Where these conditions exist or when the connected equipment must be highly reliable, you MUST install an input-side AC reactor of 3% (at a voltage drop at rated current) with respect to the supply voltage on the power supply side. Also, where the effects of an indirect lightning strike are possible, install a lightning conductor.

General Caution

CAUTION: Do not install inverters in a corner-grounded Delta distribution system. The resulting line imbalance will cause premature line fuse failure and failure of the inverter input bridge rectifier. Install in a balanced Delta or Wye distribution system only.

CAUTION: When the EEPROM error E8 occurs, be sure to confirm the setting values again.

CAUTION: When using normally closed active state settings (C011 to C019) for externally

commanded Forward or Reverse terminals [FW] or [RV], the inverter may start automatically when the external system is powered OFF or disconnected from the inverter! So, do not use normally closed active state settings for Forward or Reverse terminals [FW] or [RV] unless your system design protects against unintended motor operation.

CAUTION: In all the illustrations in this manual, covers and safety devices are occasionally removed to describe the details. While operating the product, make sure that the covers and safety devices are placed as they were specified originally and operate it according to the instruction manual.

xii

UL® Cautions, Warnings, and Instructions

Wiring Warnings for Electrical Practices and Wire Sizes

Terminal Tightening Torque and Wire Size

The Cautions, Warnings, and instructions in this section summarize the procedures necessary to ensure an inverter installation complies with Underwriters Laboratories

WARNING: “Use 60/75°C Cu wire only” or equivalent.

WARNING: “Open Type Equipment.” For models SJ300–750H to SJ300–1500H.

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms

symmetrical amperes, 240 V maximum.” For models with suffix L.

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms symmetrical amperes, 480 V maximum.” For models with suffix H.

The wire size range and tightening torque for field wiring terminals are presented in the table below.

Input

Voltage

Motor

Output

HP kW ft-lbs (N-m)

200V

Inverter Model

Wire Size Range (AWG)

guidelines.

To rq ue

1/2 0.4 SJ300-004LFU 20 1.1 1.5

1 0.75 SJ300-007LFU 18 1.1 1.5

2 1.5 SJ300-015LFU 14 1.1 1.5

3 2.2 SJ300-022LFU 14 1.1 1.5

5 3.7 SJ300-037LFU 10 1.1 1.5

7.5 5.5 SJ300-055LFU 8 1.8 2.5

10 7.5 SJ300-075LFU 6 1.8 2.5

200V

TIP: AWG = American Wire Gauge. Smaller numbers represent increasing wire thickness. kcmil = 1,000 circular mils, a measure of wire cross-sectional area mm2 = square millimeters, a measure of wire cross-sectional area

15 11 SJ300-110LFU 4 3.6 4.9

20 15 SJ300-150LFU 2 3.6 4.9

25 18.5 SJ300-185LFU 4 || 4 AWG 3.6 4.9

30 22 SJ300-220LFU 4 || 4 AWG 6.5 8.8

40 30 SJ300-300LFU 2 || 2 AWG 6.5 8.8

50 37 SJ300-370LFU 2 || 2 AWG 6.5 8.8

60 45 SJ300-450LFU 1 || 1 AWG (75°C) 10.1 13.7

75 55 SJ300-550LFU 2/0 || 2/0 AWG 10.1 13.7

SJ300 Inverter

xiii

Input

Vo lt a ge

400V

Motor

Output

HP kW ft-lbs (N-m)

1 0.75 SJ300-007HFU/E 20 1.1 1.5

2 1.5 SJ300-015HFU/E 18 1.1 1.5

3 2.2 SJ300-022HFU/E 16 1.1 1.5

5 4.0 SJ300-040HFU/E 14 1.1 1.5

7.5 5.5 SJ300-055HFU/E 12 1.8 2.5

10 7.5 SJ300-075HFU/E 10 1.8 2.5

15 11 SJ300-110HFU/E 8 3.6 4.9

20 15 SJ300-150HFU/E 6 3.6 4.9

25 18.5 SJ300-185HFU/E 6 3.6 4.9

30 22 SJ300-220HFU/E 4 3.6 4.9

40 30 SJ300-300HFU/E 3 3.6 4.9

50 37 SJ300-370HFU/E 4 || 4 AWG 3.6 4.9

60 45 SJ300-450HFU/E 1 (75°C) 6.5 8.8

75 55 SJ300-550HFU/E 2 || 2 AWG 6.5 8.8

100 75 SJ300-750HFU/E 1 || 1 AWG (75°C) 6.5 8.8

125 90 SJ300-900HFU/E 1 || 1 AWG (75°C) 10.1 13.7

150 110 SJ300-110HFU/E 1/0 || 1/0 AWG 10.1 13.7

175 132 SJ300-1320HFE 3/0 || 3/0 10.1 13.7

200 150 SJ300-1500HFU 3/0 || 3/0 10.1 13.7

400V

Inverter Model

Wire Size Range (AWG)

To rq ue

xiv

Circuit Breaker and Fuse Sizes

Input

Vo lt a ge

200V

Motor

Output

HP kW HP kW

1/2 0.4 SJ300-004LFU 10 10

1 0.75 SJ300-007LFU 10 10 2 1.5 SJ300-015HFU/E 10 10

2 1.5 SJ300-015LFU 10 10 3 2.2 SJ300-022HFU/E 10 10

3 2.2 SJ300-022LFU 15 15 5 4.0 SJ300-040HFU/E 15 15

5 3.7 SJ300-037LFU 20 20 7.5 5.5 SJ300-055HFU/E 15 15

7.5 5.5 SJ300-055LFU 30 30 10 7.5 SJ300-075HFU/E 20 20

10 7.5 SJ300-075LFU 40 40 15 11 SJ300-110HFU/E 30 30

15 11 SJ300-110LFU 60 60 20 15 SJ300-150HFU/E 40 40

20 15 SJ300-150LFU 80 80 25 18.5 SJ300-185HFU/E 50 50

25 18.5 SJ300-185LFU 100 100 30 22 SJ300-220HFU/E 60 60

30 22 SJ300-220LFU 125 125 40 30 SJ300-300HFU/E 70 70

40 30 SJ300-300LFU 150 150 50 37 SJ300-370HFU/E 90 90

50 37 SJ300-370LFU 175 175 60 45 SJ300-450HFU/E 125 125

60 45 SJ300-450LFU 225 225 75 55 SJ300-550HFU/E 125 125

75 55 SJ300-550LFU 250 250 100 75 SJ300-750HFU/E — 175

The inverter’s connections to input power must include UL Listed inverse time circuit breakers with 600V rating, or UL Listed fuses as shown in the table below.

200V

Inverter Model

Circuit

Breaker

(A)

Fuse

(A)

Input

Vo lt a ge

400V

Motor

Output

1 0.75 SJ300-007HFU/E 10 10

125 90 SJ300-900HFU/E — 200

150 110 SJ300-110HFU/E — 250

175 132 SJ300-1320HFE — 300

200 150 SJ300-1500HFU — 300

400V

Inverter Model

Circuit

Breaker

(A)

Fuse

(A)

Wire Connectors

Motor Overload Protection

WARNING: Field wiring connections must be made by a UL Listed and CSA Certified

Terminal (ring lug)

Cable support

ring lug terminal connector sized for the wire gauge being used. The connector must be fixed using the crimping tool specified by the connector manufacturer.

Cable

Hitachi SJ300 inverters provide solid state motor overload protection, which depends on the proper setting of the following parameters:

• B012 “electronic overload protection”

• B212 “electronic overload protection, 2nd motor”

• B312 “electronic overload protection, 3rd motor”

Set the rated current [Amperes] of the motor(s) with the above parameters. The setting range is

0.2 * rated current to 1.2 * rated current.

WARNING: When two or more motors are connected to the inverter, they cannot be protected by the electronic overload protection. Install an external thermal relay on each motor.

Safety Messages

Hazardous High Voltage i General Precautions - Read These First! ii Index to Warnings and Cautions in This Manual iv General Warnings and Cautions ix UL® Cautions, Warnings, and Instructions xii

Table of Contents

Revisions xvii Contact Information xviii

Chapter 1: Getting Started

Introduction 1–2 SJ300 Inverter Specifications 1–6 Introduction to Variable-Frequency Drives 1–13 Frequently Asked Questions 1–17

SJ300 Inverter

Chapter 2: Inverter Mounting and Installation

Orientation to Inverter Features 2–2 Basic System Description 2–5 Step-by-Step Basic Installation 2–6 Powerup Test 2–21 Using the Front Panel Keypad 2–23

Chapter 3: Configuring Drive Parameters

Choosing a Programming Device 3–2 Using Keypad Devices 3–3 “D” Group: Monitoring Functions 3–6 “F” Group: Main Profile Parameters 3–8 “A” Group: Standard Functions 3–9 “B” Group: Fine-Tuning Functions 3–29 “C” Group: Intelligent Terminal Functions 3–47 “H” Group: Motor Constants Functions 3–62 “P” Group: Expansion Card Functions 3–65 “U” Group: User-selectable Menu Functions 3–67 Programming Error Codes 3–68

Chapter 4: Operations and Monitoring

Introduction 4–2 Optional Controlled Decel and Alarm at Power Loss 4–4 Connecting to PLCs and Other Devices 4–7 Using Intelligent Input Terminals 4–11 Using Intelligent Output Terminals 4–42 Analog Input Operation 4–59 Analog Output Operation 4–62 Setting Motor Constants for Vector Control 4–65 PID Loop Operation 4–71 Configuring the Inverter for Multiple Motors 4–72

xvi

Chapter 5: Inverter System Accessories

Introduction 5–2 Component Descriptions 5–3 Dynamic Braking 5–6

Chapter 6: Troubleshooting and Maintenance

Troubleshooting 6–2 Monitoring Trip Events, History, & Conditions 6–5 Restoring Factory Default Settings 6–9 Maintenance and Inspection 6–10 Warranty 6–18

Appendix A: Glossary and Bibliography

Glossary A–2 Bibliography A–6

Appendix B: Serial Communications

Introduction B–2 Communications Protocol B–5 Communications Reference Information B–17

Appendix C: Drive Parameter Settings Tables

Introduction C–2 Parameter Settings for Keypad Entry C–2

Appendix D: CE–EMC Installation Guidelines

CE–EMC Installation Guidelines D–2 Hitachi EMC Recommendations D–4

Index

Revisions

Revision History Table

SJ300 Inverter

xvii

No. Revision Comments Date of Issue

Initial release of manual NB613X March 2001 NB613X

1 Add three higher-horsepower models:

Model # convention update, page 1–5 Specs table, pages 1–6 to 1–10 Derating curves, pages 1–11 to 1–12 Dimension drawings, page 2–12 Update wire and fuse size table, pages 2–14, 2–15 Update terminal dimensions table, pages 2–16, 2–17 Update braking tables, pages 5–8, 5–12 Add function P044 to P049, page 3–66, pages C–15, C–16 Add programming error codes, pages 3–67, 3–68 Update keypad navigation map, pages 2–25, 3–4 Add Appendix D: CE-EMC Installation Guidelines Moved Hitachi EMC Recommendations from page iv to D–4 Contents, Revisions, Index updates Front cover update

2 Added default terminal symbols to tables on 3–47, 3–53

Updated intelligent I/O wiring examples throughout Chapter 4 to use default terminals or otherwise least-used terminals Corrected alarm relay symbols in multiple pages in Chapter 4 Contents, Revisions, Index updates Front cover update

3 Updated company name on cover, contact page, and

nameplate photo Corrected graphs on pages 3–29 and 3–43 Made a few minor edits throughout

August 2001 NB613XA

December 2001 NB613XB

May 2002 NB613XC

Operation

Manual No.

4 Corrected [FM] common terminal to [L] in Chapter 4 Analog

Input section Updated wire and fuse sizes for larger horsepower models in Safety section tables and Chapter 2 tables Enhanced Chapter 5 text and diagrams for dynamic braking Contents, Revisions, Index, Cover updates

5 Enhanced sink/source input descriptions in Chapter 4

Added jumper descriptions throughout Chapter 4 Updated keypad navigation map in Chapters 2 and 3 Contents, Revisions, Index, Cover updates

6 Corrected table heading on page 5–7 (external resistor topic)

Revisions, Cover updates

7 Minor miscellaneous edits

Revisions, Cover updates

8 Minor miscellaneous edits

Revisions, Cover updates

August 2002 NB613XD

March 2003 NB613XE

March 2003 NB613XF

July 2003 NB613XG

December 2003 NB613XH

xviii

Contact Information

Hitachi America, Ltd. Power and Industrial Division 50 Prospect Avenue Tarrytown, NY 10591 U.S.A. Phone: +1-914-631-0600 Fax: +1-914-631-3672

Hitachi Europe GmbH Am Seestern 18 D-40547 Düsseldorf Germany Phone: +49-211-5283-0 Fax: +49-211-5283-649

Hitachi Asia Ltd. 16 Collyer Quay #20-00 Hitachi Tower, Singapore 049318 Singapore Phone: +65-538-6511 Fax: +65-538-9011

Hitachi Asia (Hong Kong) Ltd. 7th Floor, North Tower World Finance Centre, Harbour City Canton Road, Tsimshatsui, Kowloon Hong Kong Phone: +852-2735-9218 Fax: +852-2735-6793

Hitachi Australia Ltd. Level 3, 82 Waterloo Road North Ryde, N.S.W. 2113 Australia Phone: +61-2-9888-4100 Fax: +61-2-9888-4188

Hitachi Industrial Equipment Systems Co, Ltd. International Sales Department WBG MARIVE WEST 16F 6, Nakase 2-chome Mihama-ku, Chiba-shi, Chiba 261-7116 Japan Phone: +81-43-390-3516 Fax: +81-43-390-3810

Hitachi Industrial Equipment Systems Co, Ltd. Narashino Division 1-1, Higashi-Narashino 7-chome Narashino-shi, Chiba 275-8611 Japan Phone: +81-47-474-9921 Fax: +81-47-476-9517

NOTE: To receive technical support for the Hitachi inverter you purchased, contact the Hitachi inverter dealer from whom you purchased the unit, or the sales office or factory contact listed above. Please be prepared to provide the following inverter nameplate information:

1. Model

2. Date of purchase

3. Manufacturing number (MFG No.)

4. Symptoms of any inverter problem If any inverter nameplate information is illegible, please provide your Hitachi contact with any other legible nameplate items. To reduce unpredictable downtime, we recommend that you stock a spare inverter.

Getting Started

In This Chapter.... page

— Introduction ....................................................................................... 2

— SJ300 Inverter Specifications ........................................................... 6

— Introduction to Variable-Frequency Drives...................................... 13

— Frequently Asked Questions........................................................... 17

1–2

Introduction

Main Features Congratulations on your purchase of an SJ300

Series Hitachi inverter! This inverter drive features state-of-the-art circuitry and components to provide

Geting Started

high performance. The housing footprint is exceptionally small, given the size of the corresponding motor. The Hitachi SJ300 product line includes more than twenty inverter models to cover motor sizes from 1/2 horsepower to 200 horsepower, in either 230 VAC or 480 VAC power input versions. The main features are:

• 200V Class and 400V Class inverters

• UL or CE version available

• Sensorless vector control

• Regenerative braking circuit

• Different operator keypads available for RUN/

STOP control and setting parameters

• Built-in RS-422 communications interface to

allow configuration from a PC and for field bus external modules

• Sixteen programmable speed levels

• Motor constants are programmable, or may be set

via auto-tuning

• PID control adjusts motor speed automatically to

maintain a process variable value

Model SJ300-037HFU (UL version)

The design of Hitachi inverters overcomes many of the traditional trade-offs between speed, torque and efficiency. The performance characteristics are:

• High starting torque of 150% rating or greater

• Continuous operation at 100% rated torque

within a 1:10 speed range (6/60 Hz / 5/50 Hz) without motor derating

• Models from 0.4–11kW (1/2 to 15hp) have built-

in dynamic braking units

• Cooling fan has ON/OFF selection to provide

longer life

A full line of accessories from Hitachi is available to complete your motor control application. These include:

• Digital remote operator keypad

• Expansion card for sensor feedback

• Braking resistors

• Radio noise filters

• CE compliance filters

• Additional factory I/O network interface cards

(to be announced)

Model SJ300-037HFE (CE version)

Expansion Card - Encoder Input

SJ300 Inverter

1–3

Digital Operator Interface Components

The SJ300 Series inverters have a detachable keypad (called a digital operator) on the front panel of the housing. The particular keypad that comes with the inverter depends on the country or continent corresponding to the particular model number. The standard digital operators occupy just part of the keypad recess in the panel. Therefore, the inverter comes with a snap-in panel filler plate that mounts below the keypad as shown.

These detachable keypads can be mounted in a NEMA cabinet panel door cut-out, for example. Threaded metal inserts on the rear of the keypads facilitate this external mounting configuration. A short cable then connects the keypad unit to the connector in the inverter keypad recess. See Chapter 3 for information on how to install and use these keypads and cables.

Getting Started

Digital Operator OPE-SRE

standard for -LFU and -HFU models

The digital operator / copy unit is optional, and occupies the entire keypad recess when mounted. It has the additional capability of reading (uploading) the parameter settings in the inverter into its memory. Then you can install the copy unit on another inverter and write (download) the parameter settings into that inverter. OEMs will find this unit particularly useful, as one can use a single copy unit to transfer parameter settings from one inverter to many.

Other digital operator interfaces may be available from your Hitachi distributor for particular industries or international markets. Contact your Hitachi distributor for further details.

Digital Operator OPE-S

standard for -HFE models

Optional Digital Operator / Copy Unit

SRW-0EX

1–4

Introduction

Removable Components

Geting Started

The SJ300 Series inverters are designed for long life and ease of service. Several components are removable as shown below, aiding installation or parts replacement. Details on how and when to remove these parts are in the referenced chapters.

Fan Unit

(See Chapter 6 for servicing)

Digital Operator and Panel Filler Plate

(See Chapter 3 for instructions)

Capacitor Bank for DC Link

(See Chapter 6 for servicing)

Auxiliary fan (on some models)

Control Signal Terminal Block

(See Chapter 4 for wiring)

Cable entry/exit plate

(See Chapter 2 for instructions)

SJ300 Inverter

1–5

Specifications Label and Agency Approvals

Regulatory agency approvals

The Hitachi SJ300 inverters have product specifications labels located on the front and the right side of the housing, as pictured to the right. Be sure to verify that the specifications on the labels match your power source, motor, and application safety requirements.

Specifications

Getting Started

Product Labels

Inverter model number

Motor capacity for this model

Power Input Rating: frequency, voltage, phase, current

Output Rating: frequency, voltage, current

Model Number Convention

Manufacturing codes: lot number, date, etc.

The model number for a specific inverter contains useful information about its operating characteristics. Refer to the model number legend below:

SJ300 004 H F U 2

Version number (_, 2, 3, ...)

Restricted distribution: E=Europe, U=USA

Series

name

004 = 0.4 kW 007 = 0.75 kW 015 = 1.5 kW 022 = 2.2 kW 037 = 3.7 kW 040 = 4.0 kW 055 = 5.5 kW

Configuration type F = with digital operator (keypad)

Input voltage: H = three-phase 400V class L = three phase only, 200V class

Applicable motor capacity in kW

075 = 7.5 kW 110 = 11 kW 150 = 15 kW 185 = 18.5 kW 220 = 22 kW 300 = 30 kW 370 = 37 kW

450 = 45 kW 550 = 55 kW 750 = 75 kW 900 = 90 kW 1100 = 110 kW 1320 = 132 kW 1500 = 150 kW

1–6

SJ300 Inverter Specifications

Tables for 200V class inverters

Geting Started

SJ300 inverters, 200V models, UL version 004LFU 007LFU 015LFU 022LFU 037LFU 055LFU 075LFU 110LFU

Applicable motor size, 4-pole *2 HP 1/2 1 2 3 5 7.5 10 15

Rated capacity (200/240V) kVA 1.0 / 1.2 1.7 / 2.0 2.5 / 3.1 3.6 / 4.3 5.7 / 6.8 8.3 / 9.9 11 / 13.3 15.9/

Rated input voltage 3-phase: 200 to 240V ±10%, 50/60 Hz ±5%

Rated input current (A) 3.8 5.5 8.3 12 18 26 35 51

Rated output voltage *3 3-phase (3-wire) 200 to 240V (corresponding to input voltage)

Rated output current (A) 3.0 5.0 7.5 10.5 16.5 24 32 46

Efficiency at 100% rated output, % 85.1 89.5 92.3 93.2 94.0 94.4 94.6 94.8

Watt loss, approximate (W)

Starting torque *6 200% at 0.5 Hz (SLV), 150% at around 0 Hz (SLV, 0 Hz domain,

Dynamic braking approx. % torque, short time stop *7

DC braking Variable operating frequency, time, and braking force

Weight kg / lb 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 5 / 11 5 / 11

Item 200V Class Specifications

Note that “General Specifications” on page 1–9 covers all SJ300 inverters, followed by footnotes for all specifications tables. The 200V models in the upper table below (1/2 to 15 hp) include internal dynamic braking units (see “

kW 0.4 0.75 1.5 2.2 3.7 5.5 7.5 11

at 70% output 64 76 102 127 179 242 312 435

at 100% output 70 88 125 160 235 325 425 600

with motor one frame size down), 100% at 0 Hz (with feedback board)

internal res. only 50% 20% 10%

with external res. 200% 160% 100% 80% 70%

Dynamic Braking” on page 5–6).

19.1

Item 200V Class Specifications, continued

SJ300 inverters, 200V models, UL version 150LFU 185LFU 220LFU 300LFU 370LFU 450LFU 550LFU

Applicable motor size *2 HP 20 25 30 40 50 60 75

kW 15 18.5 22 30 37 45 55

Rated capacity (200/240V) kVA 22.1 / 26.6 26.3 / 31.5 32.9 / 39.4 41.9 / 50.2 50.2/60.2 63 / 75.6 76.2/91.4

Rated input voltage 3-phase: 200 to 240V ±10%, 50/60 Hz ±5%

Rated input current (A) 70 84 105 133 160 200 242

Rated output voltage *3 3-phase (3-wire) 200 to 240V (corresponding to input voltage)

Rated output current (A) 64 76 95 121 145 182 220

Efficiency at 100% rated output, % 94.9 95.0 95.0 95.1 95.1 95.1 95.1

Watt loss, approximate (W)

Starting torque *6 200% at 0.5 Hz (SLV), 150% at around 0 Hz (SLV, 0 Hz domain,

Dynamic braking approx. % torque, short time stop *7

DC braking Variable operating frequency, time, and braking force

Weight kg / lb 12 / 26.4 12 / 26.4 12 / 26.4 20 / 44 30 / 66 30 / 66 50 / 110

at 70% output 575 698 820 1100 1345 1625 1975

at 100% output 800 975 1150 1550 1900 2300 2800

with motor one frame size down), 100% at 0 Hz (with feedback board)

w/o braking unit 10%

with braking unit 30–200% 25–170% 25–150% 55–110% 45–90% 35–75% 30–60%

SJ300 Inverter

1–7

Tables for 400V class inverters

Note that “General Specifications” on page 1–9 covers all SJ300 inverters, followed by footnotes for all specifications tables. The 400V models in the upper table below (1 to 15 hp) include internal dynamic braking units (see “

Dynamic Braking” on page 5–6).

Item 400V Class Specifications

SJ300 inverters, 400V models

Applicable motor size *2 HP12357.51015

Rated capacity (400 / 480V) kVA 1.7 / 2.0 2.6 / 3.1 3.6 / 4.4 5.9 / 7.1 8.3 / 9.9 11 / 13.3 15.9/19.1

Rated input voltage 3-phase (3-wire) 380 to 480V ±10%, 50/60 Hz ±5%

Rated input current (A) 2.8 4.2 5.8 9.5 13 18 25

Rated output voltage *3 3-phase (3-wire): 380 to 480V (corresponding to input voltage)

Rated output current (A) 2.5 3.8 5.3 8.6 12 16 23

Efficiency at 100% rated output, % 89.5 92.3 93.2 94.0 94.4 94.6 94.8

Watt loss, approximate (W)

Starting torque *6 200% at 0.5 Hz (SLV), 150% at around 0 Hz (SLV, 0 Hz domain,

Dynamic braking approx. % torque, short time stop *7

DC braking Variable operating frequency, time, and braking force

Weight kg / lb 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 3.5 / 7.7 55 / 121 55 / 121

UL version 007HFU 015HFU 022HFU 040HFU 055HFU 075HFU 110HFU

CE version 007HFE 015HFE 022HFE 040HFE 055HFE 075HFE 110HFE

kW 0.75 1.5 2.2 4.0 5.5 7.5 11

at 70% output 76 102 127 179 242 312 435

at 100% output 88 125 160 235 325 425 600

with motor one frame size down), 100% at 0 Hz (with feedback board)

internal res. only 50% 20% 10%

with external res. 200% 140% 100% 70%

Getting Started

Item 400V Class Specifications

SJ300 inverters, 400V models

Applicable motor size *2 HP 20 25 30 40 50 60 75

Rated capacity (400 / 480V) kVA 22.1 / 26.6 26.3 / 31.5 33.2 / 39.9 40.1 / 48.2 51.9 / 62.3 62.3 / 74.8 76.2/91.4

Rated input voltage 3-phase (3-wire) 380 to 480V ±10%, 50/60 Hz ±5%

Rated input current (A) 35 42 53 64 83 99 121

Rated output voltage *3 3-phase (3-wire): 380 to 480V (corresponding to input voltage)

Rated output current (A) 323848587590110

Efficiency at 100% rated output, % 94.9 95.0 95.0 95.1 95.1 95.1 95.1

Watt loss, approximate (W)

Starting torque *6 200% at 0.5 Hz (SLV), 150% at around 0 Hz (SLV, 0 Hz domain,

Dynamic braking approx. % torque, short time stop *7

DC braking Variable operating frequency, time, and braking force

Weight kg / lb 12 / 26.4 12 / 26.4 12 / 26.4 20 / 44 30 / 66 30 / 66 50 / 110

UL version 150HFU 185HFU 220HFU 300HFU 370HFU 450HFU 550HFU

CE version 150HFE 185HFE 220HFE 300HFE 370HFE 450HFE 550HFE

kW1518.52230374555

at 70% output 575 698 820 1100 1345 1625 1975

at 100% output 800 975 1150 1550 1900 2300 2800

with motor one frame size down), 100% at 0 Hz (with feedback board)

w/o braking unit 10%

with braking unit 40–200% 40–200% 35–200% 110–170% 90–150% 70–120% 60–100%

1–8

SJ300 Inverter Specifications

Tables for 400V class inverters, continued...

Item 400V Class Specifications

SJ300 inverters, 400V models

Geting Started

Applicable motor size *2 HP 100 125 150 175 200

Rated capacity (400 / 480V) kVA 103.2 / 123.8 121.9 / 146.3 150.3 / 180.4 180.1 / 216.1 180.1 / 216.1

Rated input voltage 3-phase (3-wire) 380 to 480V ±10%, 50/60 Hz ±5%

Rated input current (A) 164 194 239 286 286

Rated output voltage *3 3-phase (3-wire): 380 to 480V (corresponding to input voltage)

Rated output current (A) 149 176 217 260 260

Efficiency at 100% rated output, % 95.2 95.2 95.2 95.2 95.2

Watt loss, approximate (W)

Starting torque *6 180% at 0.5 Hz (SLV), 130% at around 0 Hz (SLV, 0 Hz domain,

Dynamic braking approx. % torque, short time stop *7

DC braking Variable operating frequency, time, and braking force

Weight kg / lb 60 / 132 60 / 132 80 / 176 80 / 176 80 / 176

UL version 750HFU 900HFU 1100HFU — 1500HFU

CE version 750HFE 900HFE 1100HFE 1320HFE —

kW 75 90 110 132 150

at 70% output 2675 3375 3900 4670 4670

at 100% output 3800 4800 5550 6650 6650

with motor one frame size down), 100% at 0 Hz (with feedback board)

w/o braking unit 10%

with braking unit 45–70% 40–60% 30–50% 25–40% 20–35%

Footnotes for the preceding tables and the table that follows:

Note 1: The protection method conforms to JEM 1030. Note 2: The applicable motor refers to Hitachi standard 3-phase motor (4-pole). When using

other motors, care must be taken to prevent the rated motor current (50/60 Hz) from exceeding the rated output current of the inverter.

Note 3: The output voltage decreases as the main supply voltage decreases (except when

using the AVR function). In any case, the output voltage cannot exceed the input power supply voltage.

Note 4: To operate the motor beyond 50/60 Hz, consult the motor manufacturer for the

maximum allowable rotation speed.

Note 5: When SLV is selected, please set the carrier frequency higher than 2.1 kHz. Note 6: At the rated voltage when using a Hitachi standard 3-phase, 4-pole motor (when

selecting sensorless vector control—SLV).

Note 7: The braking torque via capacitive feedback is the average deceleration torque at the

shortest deceleration (stopping from 50/60 Hz as indicated). It is not continuous regenerative braking torque. The average decel torque varies with motor loss. This value decreases when operating beyond 50 Hz. If a large regenerative torque is required, the optional regenerative braking resistor should be used.

Note 8: The frequency command will equal the maximum frequency at 9.8V for input voltage

0 to 10 VDC, or at 19.6 mA for input current 4 to 20 mA. If this characteristic is not satisfactory for your application, contact your Hitachi sales representative.

Note 9: The storage temperature refers to the short-term temperature during transport. Note 10: Conforms to the test method specified in JIS C0911 (1984). For the model types

excluded in the standard specifications, contact your Hitachi sales representative.

Note 11: NEMA 1 applies up to 22kW. An optional wire-entry conduit box is required for

30kW to 55kW models to meet NEMA 1 rating.

SJ300 Inverter

1–9

General

The following table (continued on next page) applies to all SJ300 inverter models.

Specifications

Item General Specifications

Protective enclosure *1, *11 IP20 (NEMA 1)

Control method Line-to-line sine wave pulse-width modulation (PWM) control

Output frequency range *4 0.1 to 400 Hz

Frequency accuracy Digital command: ± 0.01% of the maximum frequency

Frequency setting resolution Digital: ± 0.01 Hz; Analog: (max. frequency)/4000, [O] terminal: 12-bit 0 to 10V;

Volt./Freq. characteristic *5 V/F optionally variable (30 to 400Hz base frequency), V/F control (constant torque,

Speed fluctuation ± 0.5% (sensorless vector control)

Overload capacity (output current) 150% for 60 seconds, 200% for 0.5 seconds

Acceleration/deceleration time 0.01 to 3600 sec., (linear curve profiles, accel./decel. selection), two-stage accel./decel.

Input signal

Output signal

Display monitor Output frequency, output current, motor torque, scaled value of output frequency, trip

Freq. setting

FW/RV Run

Intelligent Input terminals (assign eight functions to terminals)

Thermistor input One terminal (PTC characteristics)

Intelligent Output terminals (assign six functions to five open collector outputs and one relay NO-NC contact)

Intelligent monitor output terminals

Operator keypad Up and Down keys / Value settings

Potentiometer Analog setting via potentiometer on operator keypad

External signal *8 0 to 10 VDC (input impedance 10k Ohms), 4 to 20 mA (input impedance 250 Ohms),

Serial port RS485 interface

Operator panel Run key / Stop key (change FW/RV by function command)

External signal FW Run/Stop (NO contact), RV set by terminal assignment (NC/NO),

Analog command: ± 0.2% (25°C ± 10°C)

[OI] terminal: 12-bit, 4-20mA; [O2] terminal: 12-bit -10 to +10V

reduced torque), sensorless vector control

Potentiometer (1k to 2k Ohms, 2W)

3-wire input available

RV (reverse run/stop), CF1~CF4 (multi-speed select), JG (jogging), DB (external DC braking), SET (set 2nd motor data), 2CH (2-stage accel./decel.), FRS (free-run stop), EXT (external trip), USP (unattended start protection), CS (commercial power source), SFT (software lock), AT (analog input voltage/current select), SET3 (set 3rd motor data), RS (reset inverter), STA (start, 3-wire interface), STP (stop, 3-wire interface), F/R (FW/RV 3-wire interface), PID (PID ON/OFF), PIDC (PID reset), CAS (control gain setting), UP (remote control Up function, motorized speed pot.), DWN (remote control Down function, motorized speed pot.), UDC (remote control data clearing), OPE (Operator control), SF1-SF7 (Multispeed bits 0-7), OLR (Overload limit change), TL (torque limit enable), TRQ1 (torque limit selection bit 1, LSB), TRQ2 (torque limit selection bit 2, MSB), PPI (Proportional / Proportional/Integral mode selection), BOK (Brake confirmation signal), ORT (Orientation – home search), LAC (LAC: LAD cancel), PCLR (Position deviation reset), STAT (pulse train position command input enable), NO (not selected)

RUN (run signal), FA1 (Frequency arrival type 1 – constant speed), FA2 (Frequency arrival type 2 – over-frequency), OL (overload advance notice signal 1), OD (Output deviation for PID control), AL (alarm signal), FA3 (Frequency arrival type 3 – atfrequency), OTQ (over-torque signal), IP (Instantaneous power failure signal), UV (Under-voltage signal), TRQ (In torque limit), RNT (Run time over), ONT (Power-ON time over), THM (thermal alarm), BRK (Brake release signal), BER (Brake error signal), ZS (Zero speed detect), DSE (speed deviation maximum), POK (Positioning completion), FA4 (Frequency arrival type 4 – over-frequency 2), FA5 (Frequency arrival type 5 – at-frequency 2), OL2 (Overload notice advance signal 2), Terminals 11-13 or 11-14 automatically configured as AC0-AC2 or AC0-AC3 per alarm code output selection)

Analog voltage monitor, analog current monitor (8-bit resolution), and PWM output, on terminals [AM], [AMI], [FM]

history, I/O terminal condition, input power, output voltage

Getting Started

1–10

SJ300 Inverter Specifications

Item General Specifications

Other user-settable parameters V/F free-setting (up to 7 points), frequency upper/lower limit, frequency jump, accel/

Geting Started

Carrier frequency range 0.5 to 15 kHz

Protective functions Over-current, overload, braking resistor overload, over voltage, EEPROM error, under-

Environment

Coating color Gray

Accessories Feedback PCB SJ-FB (vector control loop speed sensor)

Operator input devices OPE–SRE (4-digit LED with potentiometer) / OPE–S (4-digit LED w/o potentiometer),

Temperature (*9) Operating (ambient): -10 to 50°C / Storage: -20 to 65°C

Humidity 20 to 90% humidity (non-condensing)

Vibration *10

Location Altitude 1,000 m or less, indoors (no corrosive gasses or dust)

Digital input PCB SJ-DG (4-digit BCD / 16-bit binary)

Others EMI filters, input/output reactors, DC reactors, radio noise filters, braking resistors,

decel curve selection, manual torque boost value and frequency adjustment, analog meter tuning, start frequency, carrier frequency, electronic thermal protection level, external frequency output zero/span reference, external frequency input bias start/end, analog input selection, retry after trip, restart after instantaneous power failure, various signal outputs, reduced voltage start, overload restriction, default value setting (US, Europe, Japan), deceleration and stop after power failure, AVR function, fuzzy accel/ decel, auto-tuning (on-line/off-line), high-torque multi-operation, automatic energysaving operation

voltage error, CT (current transformer) error, CPU error, external trip, USP error, ground fault, input over voltage, instantaneous power failure, expansion card 1 error, expansion card 2 error, inverter thermal trip, phase failure detection, IGBT error, thermistor error

Models SJ300–004xxx to 220xxx: 5.9 m/s

Models SJ00–300xx to 1500xxx: 2.94 m/s

braking units, LCR filter, communication cables, factory I/O network interface cards

Optional: OPE-SR (4-digit LED with potentiometer, Japanese/English overlay), SRW–0EX Multilingual operator with copy function (English, French, German, Italian, Spanish, and Portuguese)

(0.6G), 10 to 55 Hz

(0.3G), 10 to 55 Hz

Signal Ratings Detailed ratings are in “Specifications of Control and Logic Connections” on page 4–9.

Signal / Contact Ratings

Built-in power for inputs 24VDC supply, 100 mA maximum

Intelligent (programmable) logic inputs 27VDC maximum, 4.7kΩ input impedance

Intelligent (programmable) logic outputs Open collector type, 50mA max. ON state current, 27 VDC maximum OFF state voltage

Thermistor input Minimum thermistor power 100mW

PWM output 0 to 10VDC, 1.2 mA max., 50% duty cycle

Voltage analog output 0 to 10VDC, 2 mA max.

Current analog output 4-20 mA, nominal load impedance 250Ω

Analog input, current 4 to 19.6 mA range, 20 mA nominal

Analog input, voltage 0 to 9.6 VDC range, 10VDC nominal, 12VDC max., input impedance 10 kΩ

+10V analog reference 10VDC nominal, 10 mA maximum

Alarm relay, normally closed contacts Maximum loads: 250VAC, 2A; 30VDC, 8A resistive load

Alarm relay, normally open contacts 250VAC, 1A; 30VDC 1A max. resistive load /

250VAC, 0.2A; 30VDC, 0.6A inductive load Minimum loads: 100 VAC, 10mA; 5VDC, 100mA

250VAC, 0.2A; 30VDC, 0.2A max. inductive load Min. loads: 100 VAC, 10mA; 5VDC, 100mA

SJ300 Inverter

1–11

Derating Curves The maximum available inverter current output is limited by the carrier frequency and ambient

temperature. The carrier frequency is the inverter’s internal power switching frequency, settable from 0.5 kHz to 12 kHz. Choosing a higher carrier frequency tends to decrease audible noise, but it also increases the internal heating of the inverter, thus decreasing (derating) the maximum current output capability. Ambient temperature is the temperature just outside the inverter housing—such as inside the control cabinet where the inverter is mounted. A higher ambient temperature decreases (derates) the inverter’s maximum current output capacity.

Use the following derating curves to help determine the optimal carrier frequency setting for your inverter, and to find the output current derating. Be sure to use the proper curve for your particular SJ300 inverter model number.

SJ300 1.5 to 22 kW at 50 deg. C ambient

100%

95%

90%

85%

80%

75%

004 to 150L

185L

Getting Started

70%

% of Drive’s Rated Amps

65%

100%

95%

90%

85%

80%

75%

70%

% of Drive’s Rated Amps

65%

220L

2 4 6 8 10 12 14 150.5

Carrier Frequency (kHz)

SJ300 30 to 55 kW at 50 deg. C ambient

450L550L

370L

300L

450L

550L

2468101214150.5

Carrier Frequency (kHz)

1–12

SJ300 Inverter Specifications

Derating curves, continued...

SJ300 30 to 55 kW at 50 deg. C ambient, continued

Geting Started

% of Drive’s Rated Amps

100%

95%

90%

85%

80%

75%

70%

65%

60%

100%

015 to 185H

370H

450H

220H

300H

550H

2 4 6 8 10 12 14 150.5

Carrier Frequency (kHz)

SJ300 75 to 150 kW at 50 deg. C ambient

% of Drive’s Rated Amps

95%

90%

85%

80%

75%

70%

65%

60%

750H

900H

1100H

1320H 1500H

2468101214150.5

Carrier Frequency (kHz)

SJ300 Inverter

1–13

Introduction to Variable-Frequency Drives

The Purpose of Motor Speed Control for Industry

What is an Inverter?

Hitachi inverters provide accurate speed control for 3-phase AC induction motors. You connect AC power to the inverter, and connect the inverter to the motor. Many applications can benefit from the use of variable-speed drives in several ways:

• Energy savings - HVAC

• Need to coordinate speed with an adjacent process - textiles and printing presses

• Need to control acceleration and deceleration (torque)

• Sensitive loads - elevators, food processing, pharmaceuticals

The term inverter and variable-frequency drive are related and somewhat interchangeable. An electronic drive for an AC motor controls the motor’s speed by varying the frequency of the power sent to the motor.

An inverter, in general, is a device that converts DC power to AC power. The figure below shows how the variable-frequency drive employs an internal inverter. The drive first converts incoming AC power to DC through a rectifier bridge, creating an internal DC bus voltage. Then the inverter circuit converts the DC back to AC again to power the motor. The special inverter can vary its output frequency and voltage according to the desired motor speed.

Powe r

Input

L1/R

L2/S

L3/T

Converter

Rectifier

Variable-frequency Drive

Internal DC Bus

Inverter

U/T1

V/T2

Getting Started

Motor

Torque a nd Constant Volts/ Hertz Operation

W/T3

–

The simplified drawing of the inverter shows three double-throw switches. In Hitachi inverters, the switches are actually IGBTs (isolated gate bipolar transistors). Using a commutation algorithm, the microprocessor in the drive switches the IGBTs ON and OFF at a very high speed to create the desired output waveforms. The inductance of the motor windings helps smooth out the pulses.

In the past, AC variable speed drives used an open loop (scalar) technique to control speed. The constant-volts-per-hertz operation maintains a constant ratio between the applied voltage and the applied frequency. With these conditions, AC induction motors inherently delivered constant torque across the operating speed range. For some applications, this scalar technique was adequate.

Today, with the advent of sophisticated microprocessors and digital signal processors (DSPs), it is possible to control the speed and torque of AC induction motors with unprecedented accuracy. The SJ300 utilizes these devices to perform complex mathematical calculations required to achieve superior performance. The technique is referred to as sensorless vector control. It allows the drive to continuously monitor its output voltage and current, and their relationship to each other. From this it mathematically calculates two vector currents. One

Output voltage

100%

Constant torque

Output frequency

100%

1–14

Introduction to Variable-Frequency Drives

vector is related to motor flux current, and the other to motor torque current. The ability to separately control these two vectors is what allows the SJ300 to deliver extraordinary lowspeed performance and speed control accuracy.

Inverter Input and Three-Phase Power

Geting Started

Inverter Output to the Motor

The Hitachi SJ300 Series of inverters includes two sub-groups: the 200V class and the 400V class inverters. The drives described in this manual may be used in either the United States or Europe, although the exact voltage level for commercial power may be slightly different from country to country. Accordingly, a 200V class inverter requires (nominal) 200 to 240VAC, and a 400V class inverter requires from 380 to 480VAC. All SJ300 inverters require three-phase input power, whether 200V or 400V class.

TIP: If your application only has single phase power available, refer to the Hitachi SJ100 Series inverters. SJ100 inverters of 3HP or less can accept single phase input power.

The common terminology for single phase power is Line (L) and Neutral (N). Three-phase power connections are usually labeled Line 1 (L1), Line 2 (L2) and Line 3 (L3). In any case, the power source should include a ground connection. That ground connection will need to connect to the inverter chassis and to the motor frame (see “

on page 2–20).

The AC motor must be connected only to the inverter’s output terminals. The output terminals are uniquely labeled (to differentiate them from the input terminals) with the designations U/T1, V/T2, and W/T3. This corresponds to typical motor lead connection designations T1, T2, and T3. It is often not necessary to connect a particular inverter output to a particular motor lead for a new application. The consequence of swapping any two of the three connections is the reversal of the motor direction. In applications where reversed rotation could cause equipment damage or personnel injury, be sure to verify direction of rotation before attempting full-speed operation. For safety to personnel, you must connect the motor chassis ground to the ground connection at the bottom of the inverter housing.

Notice the three connections to the motor do not include one marked “Neutral” or “Return.” The motor represents a balanced “Y” impedance to the inverter, so there is no need for a separate return. In other words, each of the three “Hot” connections serves also as a return for the other connections, because of their phase relationship.

The Hitachi inverter is a rugged and reliable device. The intention is for the inverter to assume the role of controlling power to the motor during all normal operations. Therefore, this manual instructs you not to switch OFF power to the inverter while the motor is running (unless it is an emergency stop). Also, do not install or use disconnect switches in the wiring from the inverter to the motor (except thermal disconnect). Of course, safety-related devices such as fuses must be in the design to break power during a malfunction, as required by NEC and local codes.

Wire the Inverter Output to Motor”

3-Phase

AC Motor

U/T1

W/T3

V/T2

Earth

GND

SJ300 Inverter

1–15

Intelligent Functions and Parameters

Much of this manual is devoted to describing how to use inverter functions and how to configure inverter parameters. The inverter is microprocessor-controlled, and has many independent functions. The microprocessor has an on-board EEPROM for parameter storage. The inverter’s front panel keypad provides access to all functions and parameters, which you can access through other devices as well. The general name for all these devices is the digital operator, or digital operator panel. Chapter 2 will show you how to get a motor running, using a minimal set of function commands or configuring parameters.

The optional read/write programmer will let you read and write inverter EEPROM contents from the programmer. This feature is particularly useful for OEMs who need to duplicate a particular inverter’s settings in many other inverters in assembly-line fashion.

Braking In general, braking is a force that attempts to slow or stop motor rotation. So it is associated

with motor deceleration, but may also occur even when the load attempts to drive the motor faster than the desired speed (overhauling). If you need the motor and load to decelerate quicker than their natural deceleration during coasting, we recommend installing a braking resistor. The dynamic braking unit (built into certain SJ300 models) sends excess motor energy into a resistor to slow the motor and load (see “

Braking” on page 5–6 for more information). For loads that continuously overhaul the motor

for extended periods of time, the SJ300 may not be suitable (contact your Hitachi distributor).

The inverter parameters include acceleration and deceleration, which you can set to match the needs of the application. For a particular inverter, motor, and load, there will be a range of practically achievable accelerations and decelerations.

Introduction” on page 5–2 and “Dynamic

Getting Started

Velocity Profiles The SJ300 inverter is capable of sophisti-

cated speed control. A graphical representation of that capability will help you understand and configure the associated parameters. This manual makes use of the velocity profile graph used in industry (shown at right). In the example, the acceleration is a ramp to a set speed, and the deceleration is a decline to a stop.

Speed

Fixed speed

Accel Decel

Velocity Profile

1–16

Geting Started

Introduction to Variable-Frequency Drives

Acceleration and deceleration settings specify the time required to go from a stop to maximum frequency (or visa versa). The resulting slope (speed change divided by time) is the acceleration or deceleration. An increase in output frequency uses the acceleration slope, while a decrease uses the deceleration slope. The accel or decel time a particular speed change depends on the starting and ending frequencies. However, the slope is constant, corresponding to the full-scale accel or decel time setting.

For example, the full-scale acceleration setting (time) may be 10 seconds—the time required to go from 0 to 60 Hz.

The SJ300 inverter can store up to 16 preset speeds. And, it can apply separate acceleration and deceleration transitions from any preset to any other preset speed. A multispeed profile (shown at right) uses two or more preset speeds, which you can select via intelligent input terminals. This external control can apply any preset speed at any time. Alternatively, the selected speed is infinitely variable across the speed range. You can use the potentiometer control on the keypad for manual control. The drive accepts analog 0-10V signals and 4-20 mA control signals as well.

The inverter can drive the motor in either direction. Separate FW and RV commands select the direction of rotation. The motion profile example shows a forward motion followed by a reverse motion of shorter duration. The speed presets and analog signals control the magnitude of the speed, while the FW and RV commands determine the direction before the motion starts.

Speed

Maximum speed

Acceleration

Acceleration (time) setting

Speed 1

Multi-speed Profile

Forward move

Bi-directional Profile

Speed 2

Reverse move

NOTE: The SJ300 can move loads in both directions. However, it is not designed for use in servo-type applications that use a bipolar velocity signal that determines direction.

SJ300 Inverter

1–17

Frequently Asked Questions

Q. What is the main advantage in using an inverter to drive a motor, compared to alternative

solutions?

A. An inverter can vary the motor speed with very little energy loss, unlike mechanical

or hydraulic speed control solutions. The resulting energy savings can often pay for the inverter in a relatively short time.

Q. The term “inverter” is a little confusing, since we also use “drive” and “amplifier” to

describe the electronic unit that controls a motor. What does “inverter” mean?

A. The terms are used somewhat interchangeably in industry. Nowadays, the terms

drive, variable-frequency drive, variable-speed drive, and inverter are generally used to describe electronic, microprocessor-based motor speed controllers. In the past,

variable speed drive also referred to various mechanical means to vary speed. Amplifier is a term almost exclusively used to describe drives for servo or stepper motors.

Q. Although the SJ300 inverter is a variable speed drive, can I use it in a fixed-speed applica-

tion?

A. Yes, sometimes an inverter can be used simply as a “soft-start” device, providing

controlled acceleration and deceleration to a fixed speed. Other functions of the SJ300 may be useful in such applications, as well. However, using a variable speed drive can benefit many types of industrial and commercial motor applications, by providing controlled acceleration and deceleration, high torque at low speeds, and energy savings over alternative solutions.

Q. Can I use an inverter and AC induction motor in a positioning application?

A. That depends on the required precision, and the slowest speed the motor must turn

and still deliver torque. The SJ300 inverter will deliver 200% rated torque while turning the motor at only 0.5 Hz. DO NOT use an inverter if you need the motor to stop and hold the load position without the aid of a mechanical brake (use a servo or stepper motion control system).

Getting Started

Q. Does the optional digital operator interface or the PC software (DOP Professional)

provide features beyond what is available from the keypad on the unit?

A. Yes. However, note first that the same set of parameters and functions are equally

accessible from either the unit’s keypad or from remote devices. The DOP Professional PC software lets you save or load inverter configurations to or from a disk file. And, the hand-held digital operator provides hard-wired terminals, a safety requirement for some installations.

Q. Why does the manual or other documentation use terminology such as “200V class”

instead of naming the actual voltage, such as “230 VAC?”

A. A specific inverter model is set at the factory to work across a voltage range particular

to the destination country for that model. The model specifications are on the label on the side of the inverter. A European 200V class inverter (“EU” marking) has different parameter settings than a USA 200V class inverter (“US” marking). The initialization procedure (see “ inverter for European or US commercial voltage ranges.

Q. Why doesn’t the motor have a neutral connection as a return to the inverter?

A. The motor theoretically represents a “balanced Y” load if all three stator windings

have the same impedance. The Y connection allows each of the three wires to alternately serve as input or return on alternate half-cycles.

Q. Does the motor need a chassis ground connection?

A. Yes, for several reasons. Most importantly, this provides protection in the event of a

short in the motor that puts a hazardous voltage on its housing. Secondly, motors exhibit leakage currents that increase with aging. Lastly, a grounded chassis generally emits less electrical noise than an ungrounded one.

Restoring Factory Default Settings” on page 6–9) can set up the

1–18

Geting Started

Frequently Asked Questions

Q. What type of motor is compatible with the Hitachi inverters?

A. Motor type – It must be a three phase AC induction motor. Use an inverter-grade

motor that has 800V insulation for 200V class inverters, or 1600V insulation for 400V class. Motor size – In practice, it’s better to find the right size motor for your application; then look for the inverter to match the motor.

NOTE: There may be other factors that will affect motor selection, including heat dissipation, motor operating speed profile, enclosure type, and cooling method.

Q. How many poles should the motor have?

A. Hitachi inverters can be configured to operate motors with 2, 4, 6, or 8 poles. The

greater the number of poles, the slower the top motor speed will be, but it will have higher torque at the base speed.

Q. Will I be able to add dynamic (resistive) braking to my Hitachi SJ300 drive after the

initial installation?

A. Yes. Models SJ300-004XXX through SJ300-110XXX have built-in dynamic braking

units. You can add an external resistor to these models to improve braking performance. Models SJ300-150XXX through SJ300-1500XXX require you to add an external braking unit. The braking resistor connects to the external braking unit for those models. More information on dynamic braking is located in Chapter 5.

Q. How will I know if my application will require resistive braking?

A. For new applications, it may be difficult to tell before you actually test a motor/drive

solution. In general, some applications can rely on system losses such as friction to serve as the decelerating force, or otherwise can tolerate a long decel time. These applications will not need dynamic braking. However, applications with a combination of a high-inertia load and a required short decel time will need dynamic braking. This is a physics question that may be answered either empirically or through extensive calculations.

Q. Several options related to electrical noise suppression are available for the Hitachi invert-

ers. How can I know if my application will require any of these options?

A. The purpose of these noise filters is to reduce the inverter electrical noise so the

operation of nearby electrical devices is not affected. Some applications are governed by particular regulatory agencies, and noise suppression is mandatory. In those cases, the inverter must have the corresponding noise filter installed. Other applications may not need noise suppression, unless you notice electrical interference with the operation of other devices.

Q. The SJ300 features a PID loop feature. PID loops are usually associated with chemical

processes, heating, or process industries in general. How could the PID loop feature be useful in my application?

A. You will need to determine the particular main variable in your application the motor

affects. That is the process variable (PV) for the motor. Over time, a faster motor speed will cause a faster change in the PV than a slow motor speed will. By using the PID loop feature, the inverter commands the motor to run at the optimal speed required to maintain the PV at the desired value for current conditions. Using the PID loop feature will require an additional sensor and other wiring, and is considered an advanced application.

Inverter Mounting

and Installation

In This Chapter.... page

— Orientation to Inverter Features........................................................ 2

— Basic System Description ................................................................. 5

— Step-by-Step Basic Installation ......................................................... 6

— Powerup Test .................................................................................. 21

— Using the Front Panel Keypad........................................................ 23

2–2

Orientation to Inverter Features

Unpacking and Inspection

and Installation

Inverter Mounting

Main Physical Features

Please take a few moments to unpack your new SJ300 inverter and perform these steps:

1. Look for any damage that may have occurred during shipping.

2. Verify the contents of the box include:

a. One SJ300 inverter

b. One Instruction Manual (supplied by printed book for –FU/–FR models, supplied on

CR-ROM for –FE models)

c. One SJ300 Quick Reference Guide

d. One packet of desiccant—discard (not for human consumption)

3. Inspect the specifications label on the front or side of the inverter. Make sure it matches the

product part number you ordered.

The SJ300 Series inverters vary in size according to the current output rating and motor size for each model number. All feature the same basic keypad and connector interface for consistent ease of use. The inverter construction has a heat sink at the back of the housing. The fans enhance heat sink performance. Mounting holes are pre-drilled in the heat sink for your convenience. Never touch the heat sink during or just after operation; it can be very hot.

The electronics housing and front panel are built onto the front of the heat sink. The front panel has three levels of physical access designed for convenience and safety:

• First-level access – for basic use of inverter and editing parameters during powered opera-

tion (power is ON)

• Second-level access – for wiring the inverter power supply or motor (power is OFF)

• Third-level access – for accessing the expansion bay for adding/removing expansion boards

(power is OFF)

1. First-level Access - View the unit just as it

came from the box as shown. The OPE-SRE or OPE-S digital operator keypad comes installed in the inverter. The four-digit display can show a variety of performance parameters. LEDs indicate whether the display units are Hertz, Volts, Amperes, or kW. Other LEDs indicate Power (external), and Run/Stop Mode and Program/Monitor Mode status. Membrane keys Run and Stop/Reset, and a Min/Max frequency control knob (OPE-SRE only) control motor operation. These controls and indicators are usually the only ones needed after the inverter installation is complete.

The FUNC., , , and STR keys allow an operator to change the inverter’s functions and parameter values, or to select the one monitored on the 4-digit display. Note that some parameters may not be edited if the inverter is in Run mode.

SJ300 Inverter

2–3

2. Second-level access - First, ensure no

power source of any kind is connected to the inverter. If power has been connected, wait five minutes after powerdown and verify the Charge Lamp indicator is OFF to proceed. Then locate the recessed retention screw at the bottom of the main front panel. Use a small Phillips screwdriver to remove the screw. Press the two latch release areas near the “SJ300” label as shown, and simultaneously slide the lower front downward to release for removal.

Notice the large power terminals at the bottom of the wiring area. The rubber grommets below the power terminals are for wire entry/exit to the power source and motor. Never operate the inverter with the front panel removed.

The control terminals connect logic or analog signals for control and monitoring of the inverter. The nearby alarm relay provides both normally-open and normally-closed logic for interface to an external alarm. The alarm circuit may carry hazardous live voltages even when the main power to the inverter is OFF. So, never directly touch any terminal or circuit component.

Press here and slide cover downward

Retention screw

Inverter Mounting

and Installation

Logic Connector

Powe r te rminals

Wire entry/exit plate

WARNING: Be sure to wait five minutes after powerdown and verify the charge lamp indicator is OFF to proceed. Otherwise there is the risk of electric shock.

Charge lamp indicator

2–4

Orientation to Inverter Features

Inverter Mounting

and Installation

3. Third-level access - The SJ300

provides for field installation of interface circuits. These circuits are on expansion cards, to be installed in the expansion bay. To access the expansion bay, you will need to remove the upper front panel. Use the latch to release the digital operator (the panel filler plate may remain). Remove the two retention screws the bottom corners of the upper front panel. Lift up at the bottom, then disengage the two hinge latches at the top.

The expansion bay has two sites for adding expansion cards. Each card connects via the interface connector, and mounts using three standoff screw locations. Further details on accessories are in Chapter 5. You may also refer to the instruction manual that comes with each type of expansion card.

Latch to release digital operator

Retention screws

Expansion bay Expansion connectors

The following sections will describe the system design and guide you through a step-by-step installation process. After the section on wiring, this chapter will show how to use the front panel keys to access functions and edit parameters.

Basic System Description

A motor control system will obviously include a motor and inverter, as well as a breaker or fuses for safety. If you are connecting a motor to the inverter on a test bench just to get started, that’s all you may need for now. But a system can also have a variety of additional components. Some can be for noise suppression, while others may enhance the inverter’s braking performance. The figure and table below show a system with all the optional components you may need in your finished application.

Powe r source

Breaker,

MCCB or

GFI

L1 L2 L3

RST

PD(+1)

Inverter

P(+)

UVW

T1 T2 T3

Motor

N(–)

GND

Breaker / disconnect

Input side AC Reactor

Radio noise filter Electrical noise interference may occur on

EMI filter (for CE applications, see Appendix D)

Radio noise filter (use in non-CE applications)

DC link choke The choke suppresses harmonics generated by

Braking resistor Braking components are useful for increasing

Braking unit

Radio noise filter Electrical noise interference may occur on

Output side AC reactor

LCR filter Sine wave shaping filter for output side.

SJ300 Inverter

Name Function

A molded-case circuit breaker (MCCB), ground fault interrupter breaker (GFI), or a fused disconnect device. NOTE: The installer must refer to the NEC and local codes to ensure safety and compliance.

This is useful in suppressing harmonics induced on the power supply lines, or when the main power voltage imbalance exceeds 3% (and power source capacity is more than 500 kVA), or to smooth out line fluctuations. It also improves the power factor.

nearby equipment such as a radio receiver. This magnetic choke filter helps reduce radiated noise (can also be used on output).

This filter reduces the conducted noise in the power supply wiring between the inverter and the power distribution system. Connect it to the inverter primary (input side).

This capacitive filter reduces radiated noise from the main power wires in the inverter input side.

the inverter. However, it will not protect the input diode bridge rectifier.

the inverter’s control torque for high duty-cycle (ON-OFF) applications, and improving the decelerating capability.

nearby equipment such as a radio receiver. This magnetic choke filter helps reduce radiated noise (can also be used at input).

This reactor reduces the vibrations in the motor caused by the inverter’s switching waveform, by smoothing the waveform to approximate commercial power quality. It is also useful to reduce harmonics when wiring from the inverter to the motor is more than 10m in length.

2–5

Inverter Mounting

and Installation

Thermal switch

NOTE: Some components are required for regulatory agency compliance (see Chapter 5 and Appendix D).

2–6

Step-by-Step Basic Installation

This section will guide you through the following basic steps of installation:

1. Study the warnings associated with mounting the inverter.

2. Select a suitable mounting location.

NOTE: If the installation is in an EU country, study the EMC installation guidelines in

Appendix D.

3. Cover the inverter’s top ventilation openings to prevent debris from falling inside.

4. Check the inverter mounting dimensions for footprint and mounting hole locations.

5. Study the caution and warning messages associated with wiring the inverter.

6. Connect wiring for the inverter power input.

Inverter Mounting

and Installation

Choosing a Mounting Location

7. Connect wiring to the motor.

8. Uncover the inverter’s ventilation openings that were covered in Step 3.

9. Perform a powerup test.

10. Make observations and check your installation.

Step 1: Study the following caution messages associated with mounting the inverter. This is the

time when mistakes are most likely to occur that will result in expensive rework, equipment damage, or personal injury.

CAUTION: Be sure to install the unit on flame-resistant material such as a steel plate. Otherwise, there is the danger of fire.

CAUTION: Be sure not to place any flammable materials near the inverter. Otherwise, there is the danger of fire.

CAUTION: Be sure to install the unit on a perpendicular wall that is not subject to vibration. Otherwise, it may fall and cause injury to personnel.

CAUTION: Be sure not to install or operate an inverter that is damaged or has missing parts. Otherwise, it may cause injury to personnel.

Ensure Adequate Ventilation

SJ300 Inverter

Step 2: To summarize the caution messages—you will need to find a solid, non-flammable, vertical surface that is in a relatively clean and dry environment. In order to ensure enough room for air circulation around the inverter to aid in cooling, maintain the specified clearance around the inverter specified in the diagram.

2–7

Clear area

5 cm (1.97”)

minimum

CAUTION: Be sure to maintain the specified clearance area around the inverter and to provide adequate ventilation. Otherwise, the inverter may overheat and cause equipment damage or fire.

SJ300

10 cm (3.94”)

minimum

5 cm (1.97”)

minimum

10 cm (3.94”)

minimum

Exhaust

Air intake

Inverter Mounting

and Installation

Keep Debris Out of Inverter Vents

Step 3: Before proceeding to the wiring section, it’s a

good time to temporarily cover the inverter’s ventilation openings. Paper and masking tape are all that is needed. This will prevent harmful debris such as wire clippings and metal shavings from entering the inverter during installation.

Please observe this checklist while mounting the inverter:

1. The ambient temperature must be in the range of

-10 to 40°C. If the range will be up to 50°C (maximum rating), you will need to refer to

Derating Curves” on page 1–11.

“

2. Keep any other heat-producing equipment as far away from the inverter as possible.

3. When installing the inverter in an enclosure, maintain the clearance around the inverter and verify that its ambient temperature is within specification when the enclosure door is closed.

4. Do not open the main front panel door at any time during operation.

over the fan outlet vents

Cover the ventilation slots,

both sides

2–8

Check Inverter Dimensions

Step-by-Step Basic Installation

Step 4: Locate the applicable drawing on the following pages for your inverter.

Dimensions are given in millimeters (inches) format. Larger models come equipped with NEMA1 adapter for wire entry for U.S. models only as shown (LFU and HFU).

Inverter Mounting

and Installation

Model

SJ300

-004LFU

-007LFU/HFE, HFU

-015LFU/HFE, HFU

-022LFU/HFE, HFU

-037LFU/HFE, HFU

-055LFU/HFE, HFU

Model

SJ300

-075LFU/HFE, HFU

-110LFU/HFE, HFU

2 − φ 6(0.24)

2 − 6(0.24)

150(5.91) 130(5.12)

130(5.12)

143(5.63)

210(8.27) 189(7.44)

241(9.49)

255(10.04)

3 − φ 20(0.79)

140(5.51)

62(2.44)

7(0.28)

2 − φ 7(0.28)

Exhaust

Air intake

Exhaust

246(9.69)

260(10.24)

2 − 7(0.28)

189(7.44)

203(7.99)

3 − φ 25(0.98)

170(6.69)

7(0.28)

82(3.23)

Air intake

NOTE: Be sure to use lock washers or other means to ensure screws do not loosen due to vibration.

Dimensional drawings, continued...

SJ300 Inverter

2–9

Model

SJ300

-150LFU/HFE, HFU

-185LFU/HFE, HFU

-220LFU/HFE, HFU

2 − φ 7(0.28)

250(9.84) 229(9.02)

2 − 7(0.28)

229(9.02)

244(9.61)

376(14.80)

390(15.35)

4 − φ 29.5(1.16)

190(7.48)

Exhaust

Air intake

Inverter Mounting

and Installation

Model

SJ300

-300LFU/HFE, HFU

2 - 10(0.39)

265(10.43)

307(12.09)

310(12.20)

9.5(0.37)

2 - f 10(0.39)

540(21.26)

510(20.08)

100(3.94)

83(3.27)

Exhaust

130(5.12)

Optional adapterfor NEMA1 rating

74(2.91)

Air intake

195(7.68)

2–10

Step-by-Step Basic Installation

Dimensional drawings, continued...

Inverter Mounting

and Installation

Model

SJ300

-370LFU/HFE, HFU

-450LFU/HFE, HFU

-550HFE, HFU

Model

SJ300

-550LFU

2 − φ 12(0.47)

2 − 12(0.47)

300(11.81)

386(15.20)

390(15.35)

2 − φ 12(0.47)

550(21.65)

520(20.47)

80(3.15)

for NEMA1 rating

250(9.84)

110(4.33)

Optional adapter

Exhaust

Air intake

90(3.54)

Exhaust

2 − 12(0.47)

380(14.96)

476(18.74)

480(18.90)

670(26.38)

700(27.56)

70(2.76)

250(9.84)

Optional adapter

for NEMA1 rating

100(3.94)

104(4.09)

Air intake

Dimensional drawings, continued...

SJ300 Inverter

2–11

SJ300

Model

-750HFE, HFU

-900HFE, HFU

2 − φ 12(0.47)

700(27.56)

670(26.38)

2 − 12(0.47)

300(11.81) 390(15.34)

Exhaust

Air intake

Inverter Mounting

and Installation

270(10.63)

2–12

Step-by-Step Basic Installation

Dimensional drawings, continued...

Inverter Mounting

and Installation

SJ300

Model

-1100HFE, HFU

-1320HFE

-1500HFU

2 − φ 12(0.47)

710(27.95)

740(29.13)

2 − 12(0.47)

380(14.96) 480(18.90)

Exhaust

Air intake

270(10.63)

Prepare for Wiring

Step 5: The wiring enters the inverter through the entry/exit plate as shown to the right. The rubber grommets have a solid, thin membrane, so that unused ones continue to seal the opening. To create an opening, use a sharp knife and carefully cut an “X” in the center of the grommet as shown. Be especially careful to avoid cutting into the thick outer ring, so that the wiring will have a cushion from contacting the metal plate.

SJ300 Inverter

2–13

and Installation

Inverter Mounting

NOTE: Some inverter models will have a wiring box for NEMA rating compliance. Make sure the wire entry to the NEMA box also has protective cushion from chaffing of insulation.

Before proceeding, please study the caution and warning messages below.

WARNING: “Use 60/75°C Cu wire only” or equivalent.

WARNING: “Open Type Equipment.” For models SJ300–750H to SJ300–1500H.

WARNING: “A Class 2 circuit wired with Class 1 wire” or equivalent.

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms

symmetrical amperes, 240 V maximum.” For models with suffix L.

WARNING: “Suitable for use on a circuit capable of delivering not more than 10,000 rms symmetrical amperes, 480 V maximum.” For models with suffix H.

Cut grommet(s) for

use as shown

HIGH VOLTAGE: Be sure to ground the unit. Otherwise, there is a danger of electric shock and/or fire.

HIGH VOLTAGE: Wiring work shall be carried out only by qualified personnel. Otherwise, there is a danger of electric shock and/or fire.

HIGH VOLTAGE: Implement wiring after checking that the power supply is OFF. Otherwise, you may incur electric shock and/or fire.

2–14

Step-by-Step Basic Installation

Determining Wire and Fuse Sizes

and Installation

Inverter Mounting

This section includes tables for 200V class and 400V class inverters (on the next page). The following notes will help you read the tables in this section:

• Locate the row corresponding to the motor size and particular inverter in your application. The maximum motor current determines the recommended wire sizes.

• The length column specifies that some inverters can optionally use a smaller wire gauge if the wires are shorter than 10m and the inverter is located in an enclosure.

• Power Lines columns include wires connecting to terminals [R, S, T, U, V, W, P, PD, and N]. Only power input and motor leads will be fused: [R, S, T, U, V, and W]. The breaker ratings (GFI—ground fault interrupter) are slightly higher than fuse ratings to allow for nominal surges without tripping.

• The chassis ground columns list the Hitachi-recommended AWG and the minimal AWG for UL conformity.

• The optional external braking resistor wiring only applies to a few models that have a builtin braking unit. The other models use an optional external braking unit.

• Parallel wires increase effective wire gauge, and are denoted by “||” in the tables.

• Signal Lines, not listed in these tables, connect to the removable logic connector. The recommended wire gauge for all wiring to the logic connector is 28 AWG (0.75 mm use shielded wire for any analog signals.

Motor

Output

200V

Inverter

HP kW AW G

Models

Wiring *1

Power Lines *3 Chassis Ground

Fuse

Breaker

(GFI

type) *2

AW G ,

rec.

AW G ,

(UL-

rated,

class J,

600V)

). Be sure to

Brake Res.

AW G

1/2 0.4 SJ300–004LFU 20 1.25 10A 5A 16 14 1.25 20 1.25

1 0.75 SJ300–007LFU 18 1.25 10A 10A 16 14 1.25 18 1.25

2 1.5 SJ300–015LFU 14 2 10A 15A 16 14 1.25 14 2

3 2.2 SJ300–022LFU 14 2 15A 20A 16 14 1.25 14 2

5 3.7 SJ300–037LFU 10 3.5 20A 30A 10 12 3.5 10 3.5

7.5 5.5 SJ300–055LFU 8 5.5 30A 50A 8 10 5.5 8 5.5

10 7.5 SJ300–075LFU 6 8 40A 60A 8 10 8 8 5.5

15 11 SJ300–110LFU 4 14 60A 75A 4 10 14 8 5.5

20 15 SJ300–150LFU 2 22 80A 100A 3 8 22 — —

25 18.5 SJ300–185LFU 4 || 4 14 || 14 100A 100A 3 8 22 — —

30 22 SJ300–220LFU 4 || 4 14 || 14 125A 150A 2 8 30 — —

40 30 SJ300–300LFU 2 || 2 22 || 22 150A 200A 2 6 30 — —

50 37 SJ300–370LFU 2 || 2 30 || 30 175A 225A 1/0 6 38 — —

60 45 SJ300–450LFU 1 || 1

(75°C)

75 55 SJ300–550LFU 2/0 || 2/0 60 || 60 250A 350A 3/0 4 60 — —

38 || 38 225A 225A 3/0 6 38 — —

* See notes for wiring tables on the following page.

Determining wire and fuse sizes, continued...

SJ300 Inverter

2–15

Motor

Output

Power Lines *3 Chassis Ground

Wiring *1

Brake Res.

400V

Inverter

HP kW AW G

1 0.75 SJ300–007HFU/E 20 1.25 10A 5A 16 14 1.25 20 1.25

2 1.5 SJ300–015HFU/E 18 2 10A 10A 16 14 1.25 18 2

3 2.2 SJ300–022HFU/E 16 2 10A 10A 16 14 1.25 16 2

5 4.0 SJ300–040HFU/E 14 2 15A 15A 16 14 1.25 14 2

7.5 5.5 SJ300–055HFU/E 12 2 15A 30A 14 14 2 12 2

10 7.5 SJ300–075HFU/E 10 3.5 20A 30A 10 12 3.5 10 3.5

15 11 SJ300–110HFU/E 8 5.5 30A 50A 8 10 5.5 8 5.5

20 15 SJ300–150HFU/E 6 8 40A 60A 8 10 8 — —

25 18.5 SJ300–185HFU/E 6 14 50A 60A 4 10 14 — —

30 22 SJ300–220HFU/E 4 14 60A 75A 4 10 14 — —

40 30 SJ300–300HFU/E 3 22 70A 100A 3 10 22 — —

50 37 SJ300–370HFU/E 4 || 4 14 || 14 90A 100A 3 8 22 — —

60 45 SJ300–450HFU/E 1 (75°C) 38 125A 150A 1 8 22 — —

75 55 SJ300–550HFU/E 2 || 2 22 || 22 125A 175A 1 6 30 — —

100 75 SJ300–750HFU/E 1 || 1

125 90 SJ300–900HFU/E 1 || 1

150 110 SJ300–1100HFU/E 1/0 || 1/0 50 || 50 250A 350A 3/0 4 80 — —

175 132 SJ300–1320HFE 3/0 || 3/0 80 || 80 300A 350A 4/0 4 100 — —

200 150 SJ300–1500HFU 3/0 || 3/0 80 || 80 300A 350A 4/0 4 100 — —

Models

30 || 30 175A 225A 1/0 6 50 — —

(75°C)

38 || 38 200A 225A 3/0 6 80 — —

(75°C)

Fuse (UL-

rated,

class J,

600V)

Breaker

( GFI

type) *2

AW G ,

rec.

AW G ,

AW G

Inverter Mounting

and Installation

Note 1: Field wiring must be made by a UL-listed and CSA certified ring lug terminal

connector sized for the wire gauge involved. The connector must be fixed by using the crimping tool specified by the connector manufacturer.

Note 2: Be sure to consider the capacity of the circuit breaker to be used. Note 3: Be sure to use a larger wire gauge if power line length exceeds 66 ft (20m).

2–16

Step-by-Step Basic Installation

Terminal Dimensions and Torque Specs

and Installation

Inverter Mounting

Input

Vo lt a g e

200V

The following tables list the screw size of terminal and recommended torque for tightening for each of the SJ300 inverter models (400V models are on the next page).

CAUTION: Fasten the screws with the specified fastening torque in the table below. Check for any loosening of screws. Otherwise, there is the danger of fire.

Motor

Output

HP kW (AWG-bolt)

1/2 0.4 SJ300-004LFU M4 20–#10 1.25–4 1.1 1.5

1 0.75 SJ300-007LFU M4 20–#10 1.25–4 1.1 1.5

2 1.5 SJ300-015LFU M4 14–#10 2–4 1.1 1.5

3 2.2 SJ300-022LFU M4 14–#10 2–4 1.1 1.5

5 3.7 SJ300-037LFU M4 10–#10 3.5–4 1.1 1.5

7.5 5.5 SJ300-055LFU M5 8–#12 5.5–5 1.8 2.5

10 7.5 SJ300-075LFU M5 8–#12 8–5 1.8 2.5

15 11 SJ300-110LFU M6 4–1/4 14–6 3.6 4.9

20 15 SJ300-150LFU M6 2–1/4 22–6 3.6 4.9

25 18.5 SJ300-185LFU M6 4–1/4 14–6 3.6 4.9

30 22 SJ300-220LFU M8 4–5/16 14–8 6.5 8.8

40 30 SJ300-300LFU M8 2–5/16 22–8 6.5 8.8

50 37 SJ300-370LFU M8 1–5/16 30–8 6.5 8.8

60 45 SJ300-450LFU M10 1/0–1/2 38–10 10.1 13.7

75 55 SJ300-550LFU M10 2/0–1/2 60–10 10.1 13.7

200V

Inverter Models

Screw size

of terminal

Ring lug connector *1 To rq u e

(mm2–bolt)

ft-lbs (N-m)

Note 1: The recommended ring lug connector listing consists of wire size – screw size

format. The wire sizes are in AWG or mm

format. For AWG wire sizes, bolt sizes for the ring lug centers are: #10, #12, 1/4”, 5/16”, and 1/2”. For metric wire sizes, bolt sizes for the ring lug centers are: 6 = 6M, 8 = 8M, 10 = 10M.

Terminal dimensions and torque specs, continued...

SJ300 Inverter

2–17

Input

Vo lt a ge

400V

Motor

Output

HP kW (AWG-bolt)

1 0.75 SJ300-007HFU/E M4 20–#10 1.25–4 1.1 1.5

2 1.5 SJ300-015HFU/E M4 14–#10 2–4 1.1 1.5

3 2.2 SJ300-022HFU/E M4 14–#10 2–4 1.1 1.5

5 4.0 SJ300-040HFU/E M4 14–#10 2–4 1.1 1.5

7.5 5.5 SJ300-055HFU/E M5 14–#12 2–5 1.8 2.5

10 7.5 SJ300-075HFU/E M5 10–#12 3.5–5 1.8 2.5

15 11 SJ300-110HFU/E M6 8–1/4 5.5–6 3.6 4.9

20 15 SJ300-150HFU/E M6 6–1/4 8–6 3.6 4.9

25 18.5 SJ300-185HFU/E M6 4–1/4 14–6 3.6 4.9

30 22 SJ300-220HFU/E M6 4–1/4 14–6 3.6 4.9

40 30 SJ300-300HFU/E M6 2–1/4 22–6 3.6 4.9

50 37 SJ300-370HFU/E M6 4–1/4 14–6 3.6 4.9

60 45 SJ300-450HFU/E M8 1/0–5/16 38–8 6.5 8.8

75 55 SJ300-550HFU/E M8 2–5/16 22–8 6.5 8.8

100 75 SJ300-750HFU/E M8 1–1/2 30–10 6.5 8.8

125 90 SJ300-900HFU/E M10 1/0–1/2 38–10 10.1 13.7

150 110 SJ300-110HFU/E M10 1/0–1/2 50–10 10.1 13.7

175 132 SJ300-1320HFE M10 2/0–1/2 80–10 10.1 13.7

200 150 SJ300-1500HFU M10 2/0–1/2 80–10 10.1 13.7

400V

Inverter Models

Screw size

of terminal

Ring lug connector *1 To rq ue

(mm2–bolt)

ft-lbs (N-m)

Inverter Mounting

and Installation

Note 1: The recommended ring lug connector listing consists of wire size – screw size

format. The wire sizes are in AWG or mm

format. For AWG wire sizes, bolt sizes for the ring lug centers are: #10, #12, 1/4”, 5/16”, and 1/2”. For metric wire sizes, bolt sizes for the ring lug centers are: 6 = 6M, 8 = 8M, 10 = 10M.

2–18

Wire the Inverter Input to a Supply

and Installation

Inverter Mounting

Step-by-Step Basic Installation

Step 6: In this step, you will connect wiring to

the input of the inverter. All models have the same power connector terminals [R(L1)], [S(L2)], and [T(L3)] for three-phase input. The three phases may be connected in any order, as they are isolated from chassis ground and do not determine motor direction of rotation.

Please refer to the specifications label (on the front or side of the inverter) for the acceptable input voltage ranges!

NOTE: The wiring example to the right shows an SJ300-037LFU inverter. The terminal locations will vary, depending on the inverter model (see below). Note the use of ring lug connectors for a secure connection.

Please use the terminal arrangement below corresponding to your inverter model.

–004LFU, –007 to –055LFU/ HFE, HFU

(R0)T0(T0)

–075LFU/HFE, HFU –110LFU/HFE, HFU

(L1)

(L2)T(L3)

(+1)

Jumper

bar

–150LFU, 185LFU, –300LFU, –370LFU, –150 to –550HFE, HFU

(L1)

(L2)T(L3)PD(+1)P(+)N(–) (G)(G)

Jumper

bar

(L1)

(L2)T(L3)

Jumper

bar

(+)N(–) (G) (G)

(+1)

(+)N(–) (G) (G)

(T1)

(T2)

(T3)

(RB)

(R0)T0(T0)

(T1)

(RB)

(T2)

(T3)

(R0)T0(T0)

(T3)

–220LFU, –450LFU, –550LFU, –750 to –1100HFE, HFU –1320HFE, –1500HFU

(L1)

(L2)T(L3)PD(+1)P(+)N(–)

Jumper

bar

(R0)T0(T0)

(T2)

(T1)

(T3)

(G)(G)

SJ300 Inverter

2–19

NOTE: An inverter powered by a portable or emergency diesel power generator may result in a distorted power waveform, overheating the generator. In general, the generator capacity should be at least five times that of the inverter (kVA).

CAUTION: Be sure that the input voltage matches the inverter specifications:

• Three phase 200 to 240V 50/60Hz

• Three phase 380 to 480V 50/60Hz

CAUTION: Be sure not to power a three-phase-only inverter with single phase power. Otherwise, there is the possibility of damage to the inverter and the danger of fire.

CAUTION: Be sure not to connect an AC power supply to the output terminals. Otherwise, there is the possibility of damage to the inverter and the danger of injury and/or fire.

Inverter Mounting

and Installation

Power Input

L1 L3

RST

Powe r Outpu t

T1 T2 T3

UVW

NOTE:

L1, L2, L3:

Three-phase 200 to 240V 50/60 Hz Three-phase 380 to 480V 50/60 Hz

• Use only short time-invariant and pulse current-sensitive ground fault interrupter breakers with higher trigger current.

• Other components should be secured with separate ground fault interrupter breakers.

• Ground fault interrupter breakers in the power input wiring of an inverter are not an

absolute protection against electric shock.

CAUTION: Be sure to install a fuse in each phase of the main power supply to the inverter. Otherwise, there is the danger of fire.

2–20

Wire the Inverter Output to Motor

and Installation

Inverter Mounting

Step-by-Step Basic Installation

Step 7: The process of motor selection is beyond the scope of this manual. However, it must be

a three-phase AC induction motor. It should also come with a chassis ground lug. If the motor does not have three power input leads, stop the installation and verify the motor type. Other guidelines for wiring the motor include:

• Use an inverter-grade motor for maximum motor life (1600V insulation).

• For standard motors, use an output filter if the wiring between the inverter and motor exceeds 10 meters in length.

Simply connect the motor to the terminals [U/T1], [V/T2], and [W/T3] indicated on the inverter to the right. This is a good time to connect the chassis ground lug on the drive as well. The motor chassis ground must also connect to the same point. Use a star ground (single-point) arrangement, and never daisy-chain the grounds (point-topoint).

Use the same wire gauge on the motor and chassis ground wiring as you used on the power input wiring in the previous step. After completing the wiring:

• Check the mechanical integrity of each wire crimp and terminal connection.

• Replace the front panel and secure the retention screw firmly.

Logic Control Wiring

Uncover the Inverter Vents

To Po wer

Source

After completing the initial installation and powerup test in this chapter, you may need to wire the logic signal connector for your application. For new inverter users/applications, we highly recommend that you first complete the powerup test in this chapter without adding any logic control wiring. Then you will be ready to set the required parameters for logic control as covered in Chapter 4, Operations and Monitoring.

Step 8: After mounting and wiring the inverter, remove any protective material covering the inverter ventilation openings from Step 3. This includes covers over the side ventilation ports as well as the fan outlet area.

CAUTION: Failure to remove all vent opening covers before electrical operation may result in damage to the inverter.

Ground

Uncover the fan outlet vents

To MotorTo Chassis

Uncover the ventilation slots,

both sides

Powerup Test

Step 9: After wiring the inverter and motor, you’re ready to do a powerup test. The procedure

Perform the Powerup Test

that follows is designed for the first-time use of the drive. Please verify the following conditions before conducting the powerup test:

• You have followed all the steps in this chapter up to this step.

• The inverter is new, and is securely mounted to a non-flammable vertical surface

• The inverter is connected to a power source and motor.

• No additional wiring of inverter connectors or terminals has been done.

• The power supply is reliable, and the motor is a known working unit, and the motor nameplate ratings match the inverter ratings.

• The motor is securely mounted, and is not connected to any load.

SJ300 Inverter

2–21

and Installation

Inverter Mounting

Goals for the Powerup Test

Pre-test and Operational Precautions

If there are any exceptions to the above conditions at this step, please take a moment to take any measures necessary to reach this basic starting point. The specific goals of this powerup test are:

1. Verify that the wiring to the power supply and motor is correct.

2. Demonstrate that the inverter and motor are generally compatible.

3. Give a brief introduction to the use of the built-in operator keypad.

The powerup test gives you an important starting point to ensure a safe and successful application of the Hitachi inverter. We highly recommend performing this test before proceeding to the other chapters in this manual.

The following instructions apply to the powerup test, or to any time the inverter is powered and operating. Please study the following instructions and messages before proceeding with the powerup test.

1. The power supply must have fusing suitable for the load. Check the fuse size chart

presented in Step 5, if necessary.

2. Be sure you have access to a disconnect switch for the drive input power if necessary.

However, do not turn OFF power to the inverter during its operation unless it is an emergency.

3. Turn the inverter’s front panel potentiometer (if it exists) to the MIN position (fully counter-

clockwise).

CAUTION: The heat sink fins will have a high temperature. Be careful not to touch them. Otherwise, there is the danger of getting burned.

2–22

and Installation

Inverter Mounting

Powering the Inverter

Powerup Test

CAUTION: Check the following before and during the powerup test. Otherwise, there is the danger of equipment damage.

• Is the shorting bar between the [P] and [PD] terminals installed? DO NOT power or operate the inverter if the jumper is removed.

• Is the direction of the motor rotation correct?

• Did the inverter trip during acceleration or deceleration?

• Were the rpm and frequency meter readings as expected?

• Were there any abnormal motor vibrations or noise?

If you have followed all the steps, cautions and warnings up to this point, you’re ready to apply power. After doing so, the following events should occur:

•The POWER LED will illuminate.

0.0

• The numeric (7-segment) LEDs will display a test pattern, then stop at

•The Hz LED will be ON.

If the motor starts running unexpectedly or any other problem occurs, press the STOP key. Only if necessary should you remove power to the inverter as a remedy.

NOTE: If the inverter has been previously powered and programmed, the LEDs (other than the POWER LED) may illuminate differently than as indicated above. If necessary, you can initialize all parameters to the factory default settings. See “

page 6–9.

Restoring Factory Default Settings” on

Using the Front Panel Keypad

SJ300 Inverter

2–23

Front Panel Introduction

Parameter Editing and Controls

Please take a moment to familiarize yourself with the keypad layout shown in the figure below.

Powe r LED

Alarm LED

Display Units LEDs

Hertz Volts o r A mpere s (kW = both ON) Percent

Potentiometer Enable LED

Potentiometer

Run/Stop LED

Program/Monitor LED

Run Key Enable LED

Run Key

Parameter Display

HITACHI

RUN

PRG

RUN

FUNC

50.0

STOP

RESET

Stop/Reset Key

POWER

ALARM

MAX

MIN

STR

The display is used in programming the inverter’s parameters, as well as monitoring specific parameter values during operation. Many functions are applicable only during the initial installation, while others are more useful for maintenance or monitoring.

The front panel controls and indicators are described as follows:

• Run/Stop LED – ON when the inverter output is ON and the motor is developing torque,

and OFF when the inverter output is OFF (Stop Mode).

• Program/Monitor LED – This LED is ON when the inverter is ready for parameter editing

(Program Mode). It is normally OFF when the parameter display is monitoring data (Monitor Mode). However, the PRG LED will be ON whenever you are monitoring the value of parameter D001. (When the keypad is enabled as the frequency source via A001=02, you can edit the inverter frequency directly from D001 monitor display by using the Up/Down keys.)

• Run Key Enable LED – is ON when the inverter is ready to respond to the Run key, OFF

when the Run key is disabled.

• Run Key – Press this key to run the motor (the Run Enable LED must be ON first). Parame-

ter F004, Keypad Run Key Routing, determines whether the Run key generates a Run FWD or Run REV command.

• Stop/Reset Key – Press this key to stop the motor when it is running (uses the programmed

deceleration rate). This key will also reset an alarm that has tripped.

• Potentiometer (OPE–SRE only) – allows an operator to directly set the motor speed when

the potentiometer is enabled for output frequency control.

• Potentiometer Enable LED – ON when the potentiometer is enabled for value entry.

(OPE–SRE only).

• Parameter Display – a 4-digit, 7-segment display for parameters and function codes.

• Display Units: Hertz/Volts/Amperes/kW/% – These LEDs indicate the units associated

with the parameter display. When the display is monitoring a parameter, the appropriate LED is ON. In the case of kW units, both Volts and Amperes LEDs will be ON. An easy way to remember this is that kW = (V x A)/1000.

• Power LED – This LED is ON when the power input to the inverter is ON.

• Alarm LED – This LED is ON when an alarm condition has tripped the inverter. Clearing

the alarm will turn this LED OFF again. See Chapter 6 for details on clearing alarms.

Inverter Mounting

and Installation

2–24

and Installation

Inverter Mounting

Keys, Modes, and Parameters

Using the Front Panel Keypad

• Function Key – This key is used to navigate

through the lists of parameters and functions for setting and monitoring parameter values.

• Up/Down ( , ) Keys – Use these

keys alternately to move up or down the lists of parameter and functions shown in the display, and increment/decrement values.

• Store ( ) Key – When the unit is in

STR

Program Mode and the operator has edited a parameter value, press the Store key to write the new value to the EEPROM. This parameter is then displayed at powerup by default. If you want to change the powerup default, navigate to a new parameter value and press the Store key.

Purpose of the keypad is to provide a way to change modes and parameters. The term function applies to both monitoring modes and parameters. These are all accessible through function codes that are primarily 3 or 4-character codes. The various functions are separated into related groups identifiable by the left-most character, as the table shows.

HITACHI

RUN

PRG

FUNC

Function

key

RUN

50.0

STOP

RESET

Up/Down

keys

POWER

ALARM

MAX

MIN

STR

Store

key

Function

Group

Type (Category) of Function Mode to Access

“D” Monitoring functions Monitor

PGM LED

Indicator

“F” Main profile parameters Program

“A” Standard functions Program

“B” Fine tuning functions Program

“C” Intelligent terminal functions Program

“H” Motor constant functions Program

“P” Expansion card functions Program

“U” User-selectable menu functions Monitor

“E” Error codes — —

For example, function “A004” is the base frequency setting for the motor, typically 50 Hz or 60 Hz. To edit the parameter, the inverter must be in Program Mode (PGM LED will be ON). You use the front panel keys to first select the function code “A004.” After displaying the value for “A004,” use the Up/Down ( or ) keys to edit the value.

NOTE: The inverter 7-segment display shows lower case “b” and “d”, meaning the same as the upper case letters “B” and “D” used in this manual (for uniformity “A to F”).

The inverter automatically switches into Monitor Mode when you access “D” Group functions. It switches into Program Mode when you access any other group, because they all have editable parameters. Error codes use the “E” Group, and appear automatically when a fault event occurs. Refer to “

Monitoring Trip Events, History, &

Conditions” on page 6–5 for error code details.

MONITOR PROGRAM

“A” Group

“D” Group

“B” Group “C” Group “H” Group “P” Group “U” Group “F” Group

SJ300 Inverter

2–25

Keypad Navigational Map

Display Data

D002–D090

Store as powerup

default

Increment/ decrement

Write data

to F001,

store D001

as powerup default

The SJ300 Series inverter drives have many programmable functions and parameters. Chapter 3 will cover these in detail, but you need to access just a few items to perform the powerup test. The menu structure makes use of function codes and parameter codes to allow programming and monitoring with only a 4-digit display and a few keys and LEDs. So, it is important to become familiar with the basic navigational map of parameters and functions in the diagram below. You can later use this map as a reference.

Monitor Mode Program Mode

0.00

STR

FUNC.

d o90

d o01

FUNC.

Select ParameterSelect Function

Uo1 2

Uo01

Edit Parameter

FUNC.

Po49

d 001

FUNC.

Po49

Increment/ decrement

value

Edit

PRG LED

123.4

Write

data to

EEPROM,

store as

powerup

default

Return to

parameter

list

value

Edit

PRG LED

D001

0.00

STR

FUNC.

U–––

P–––

H–––

C–––

b –––

A–––

Fo04

Fo01

FUNC.

Po01

ho72

ho01

c1 23

co01

b 126

b o01

a1 32

FUNC.

ao01

STR

Inverter Mounting

and Installation

2–26

Using the Front Panel Keypad

Selecting Functions and Editing Parameters

and Installation

Inverter Mounting

In order to run the motor for the powerup test, this section will show how to:

• select the inverter’s maximum output frequency to the motor

• select the keypad potentiometer as the source of motor speed command

• select the keypad as the source of the RUN command

• set the number of poles for the motor

• enable the RUN command

The following series of programming tables are designed for successive use. Each table uses the previous table’s final state as the starting point. Therefore, start with the first and continue programming until the last one. If you get lost or concerned that some of the other parameters settings may be incorrect, refer to “

Setting the Motor Base Frequency -The motor is designed to operate at a specific AC frequency. Most commercial motors are designed for 50/60 Hz operation. First, check the motor specifications. Then follow the steps in the table below to verify the setting or correct for your motor. DO NOT set it for greater than 50/60 Hz unless the motor manufacturer specifically approves operation at the higher frequency.

Action Display Func./Parameter

FUNC

Press the

key.

Restoring Factory Default Settings” on page 6–9.

Monitor functions

d 001

Press the or keys until ->

Press the key.

Press the key twice.

Press the key.

FUNC

A–––

A001

A003

“A” Group selected

First “A” parameter

Base frequency setting

Default value for base frequency US = 60 Hz, Europe = 50 Hz

STR

A003

Press the or key as needed.

Press the key.

TIP: If you need to scroll through a function or parameter list, press and hold the or key to auto-increment through the list.

Set to your motor specs (your display may be different)

Stores parameter, returns to “A” Group list

SJ300 Inverter

Select the Potentiometer for Speed Command - The motor speed may be controlled from the following sources:

• Potentiometer on front panel keypad (if present)

• Control terminals

• Remote panel

Then follow the steps in the table below to select the potentiometer for the speed command (the table resumes action from the end of the previous table).

Action Display Func./Parameter

2–27

Inverter Mounting

and Installation

Press the key twice.

Press the key.

Select the Keypad for the RUN Command - The RUN command causes the inverter to accelerate the motor to the selected speed. You can program the inverter to respond to either the control terminal signal or the keypad RUN key. Follow the steps in the table below to select the front panel RUN key as the source for the RUN Command (the table resumes action from the end of the previous table).

Press the key.

FUNC

STR

Action Display Func./Parameter

FUNC

A001

A002

Speed command source setting

0 = potentiometer 1 = control terminals (default) 2 = keypad

0 = potentiometer (selected)

Stores parameter, returns to “A” Group list

Run command source

1 = control terminals (default) 2 = keypad

Press the key.

NOTE: When you press the STR key in the last step above (and the display = 02), the Run Enable LED above the RUN switch on the keypad will turn ON. This is normal, and does not mean the motor is trying to run. It means that the RUN key is now enabled. DO NOT press the RUN key at this time—finish out the programming exercise first.

STR

A002

2 = keypad (selected)

Stores parameter, returns to “A” Group list

2–28

Using the Front Panel Keypad

Configure the Inverter for the Number of Motor Poles- The number of magnetic poles of a motor is determined by the motor’s internal winding arrangement. The specifications label on the motor usually indicates its number of poles. For proper operation, verify the parameter setting matches the motor poles. Many industrial motors have four poles, corresponding to the default setting in the inverter.

Follow the steps in the table below to verify the motor poles setting and change it if necessary (the table resumes action from the end of the previous table.)

Action Display Func./Parameter

Inverter Mounting

and Installation

Press the key.

Press the key three times.

Press the key.

Press the key five times.

Press the key.

Press the or key as needed.

Press the key.

This step concludes the parameter setups for the inverter. You are almost ready to run the motor for the first time!

TIP: If you became lost during any of these steps, first observe the state of the PRG LED. Then study the “ keypad controls and display. As long as you do not press the STR key, no parameters will be changed by keypad entry errors. Note that power cycling the inverter will not cause it to reset to a particular programming state.

FUNC

STR

Keypad Navigational Map” on page 2–25 to determine the current state of the

A–––

h–––

h001

h004

“A” Group selected

“H” Group selected

First “H” parameter

Motor poles parameter

2 = 2 poles 4 = 4 poles (default) 6 = 6 poles 8 = 8 poles

Set to match your motor (your display may be different)

Stores parameter, returns to “H” Group list

The next section will show you how to monitor a particular parameter from the display. Then you will be ready to run the motor.

SJ300 Inverter

2–29

Monitoring Parameters with the Display

After using the keypad for parameter editing, it’s a good idea to switch the inverter from Program Mode to Monitor Mode. This will turn out the PRG LED, and the Hertz, Volt, Ampere, or % LED indicates the display units.

RUN

PRG

FUNC

RUN

HITACHI

50.0

STOP

RESET

POWER

ALARM

MAX

MIN

STR

For the powerup test, monitor the motor speed indirectly by viewing the inverter’s output frequency. The output frequency must not be confused with base frequency (50/60 Hz) of the motor, or the carrier frequency (switching frequency of the inverter, in the kHz range). The monitoring functions are in the “D” list, located near the top left of the diagram in the “

Keypad

Navigational Map” on page 2–25.

Output frequency (speed) monitor - Resuming the keypad programming from the previous table, follow the steps in the table below.

Action Display Func./Parameter

Press the key.

FUNC

h–––

d 001

“H” Group selected

Output frequency selected

Inverter Mounting

and Installation

Running the Motor

Press the key.

When the

FUNC

function code appeared, the PRG LED went OFF. This confirms the inverter is

0.00

Output frequency displayed

no longer in programming mode, even while you are selecting the particular monitoring parameter. After pressing the key, the display shows the current speed (is zero at this point).

FUNC

If you have programmed all the parameters up to this point, you’re ready to run the motor! First, review this checklist:

1. Verify the Power LED is ON. If not, check the power connections.

2. Verify the Run Key Enable LED is ON. If not, review the programming steps to find the

problem.

3. Verify the PRG LED is OFF. If it is ON, review the instructions above.

4. Make sure the motor is disconnected from any mechanical load.

5. Turn the potentiometer to the MIN position (completely counterclockwise).

6. Now, press the RUN key on the keypad. The RUN LED will turn ON.

7. Slowly increase the potentiometer setting in clockwise fashion. The motor should start

turning when the indicator is in the 9:00 position and beyond.

8. Press the STOP key to stop the motor rotation.

2–30

Powerup Test Observations and Summary

and Installation

Inverter Mounting

Using the Front Panel Keypad

Step 10: Reading this section will help you make some useful observations when first running

the motor.

Error Codes - If the inverter displays an error code (LED format is “

Trip Events, History, & Conditions” on page 6–5 to interpret and clear the error.

Acceleration and Deceleration - The SJ300 inverter has programmable acceleration and deceleration values. The test procedure left these at the default value, 10 seconds. You can observe this by setting the potentiometer at about half speed before running the motor. Then press RUN, and the motor will take 5 seconds to reach a steady speed. Press the STOP key to see a 5 second deceleration to a stop.

State of Inverter at Stop - If you adjust the motor’s speed to zero, the motor will slow to a near stop, and the inverter turns the outputs OFF. The high-performance SJ300 can rotate at a very slow speed with high torque output, but not zero (must use servo systems with position feedback for that feature). This characteristic means you must use a mechanical brake for some applications.

Interpreting the Display - First, refer to the output frequency display readout. The maximum frequency setting (parameter A004) defaults to 50 Hz or 60 Hz (Europe and United States, respectively) for your application.

Example: Suppose a 4-pole motor is rated for 60 Hz operation, so the inverter is configured to output 60 Hz at full scale. Use the following formula to calculate the RPM.

Exx

”), see “Monitoring

RPM

Frequency 60×

----------------------------------------

Pairs of poles

The theoretical speed for the motor is 1800 RPM (synchronous speed). However, an induction motor cannot generate torque unless its shaft turns at a slightly different speed. This difference is called slip. So it’s common to see a rated speed of approximately 1750 RPM on a 60 Hz, 4- pole motor. Using a tachometer to measure shaft speed, you can see the difference between the inverter output frequency and the actual motor speed. The slip increases slightly as the motor’s load increases. This is why the inverter output value is called “frequency,” since it is not exactly equal to motor speed. You can program the inverter to display output frequency in units more directly related to the load speed by entering a constant (discussed more in depth on page 3–41

Run/Stop Versus Monitor/Program Modes – The Run LED on the inverter is ON in Run Mode, and OFF in Stop Mode. The Program LED is ON when the inverter is in Program Mode, and OFF for Monitor Mode. All four mode combinations are possible. The diagram to the right depicts the modes and the mode transitions via keypad.

NOTE: Some factory automation devices such as PLCs have alternate Run/Program modes; the device is in either one mode or the other. In the Hitachi inverter, however, Run Mode alternates with Stop Mode, and Program Mode alternates with Monitor Mode. This arrangement lets you program some values while the inverter is operating—providing flexibility for maintenance personnel.

Frequency 120×

-------------------------------------------

# of poles

Run Stop

Monitor Program

60 120×

--------------------- 1800RPM== == 4

STOP

RESET

RUN

FUNC.

Configuring

Drive Parameters

In This Chapter.... page

— Choosing a Programming Device ..................................................... 2

— Using Keypad Devices...................................................................... 3

— “D” Group: Monitoring Functions ...................................................... 6

— “F” Group: Main Profile Parameters.................................................. 8

— “A” Group: Standard Functions ......................................................... 9

— “B” Group: Fine-Tuning Functions .................................................. 29

— “C” Group: Intelligent Terminal Functions ....................................... 47

— “H” Group: Motor Constants Functions........................................... 62

— “P” Group: Expansion Card Functions............................................ 65

— “U” Group: User-selectable Menu Functions .................................. 67

— Programming Error Codes.............................................................. 68

3–2

Choosing a Programming Device

Introduction Hitachi variable frequency drives (inverters) use the latest electronics technology for getting the

right AC waveform to the motor at the right time. The benefits are many, including energy savings and higher machine output or productivity. The flexibility required to handle a broad range of applications has required ever more configurable options and parameters—inverters are now a complex industrial automation component. And this can make a product seem difficult to use, but the goal of this chapter is to make this easier for you.

As the powerup test in Chapter 2 demonstrated, you do not have to program very many parameters to run the motor. In fact, most applications would benefit only from programming just a few, specific parameters. This chapter will explain the purpose of each set of parameters, and help you choose the ones that are important to your application.

If you are developing a new application for the inverter and a motor, finding the right parameters to change is mostly an exercise in optimization. Therefore, it is okay to begin running the motor with a loosely tuned system. By making specific, individual changes and observing their effects, you can achieve a finely tuned system. And, the SJ300 Series inverters have a built-in auto-tuning algorithm to set certain motor parameters.

Inverter Programming Keypads

Parameters

Configuring Drive

The front panel keypad is the first and best way to get to know the inverter’s capabilities. Every function or programmable parameter is accessible from the keypad. All keypads have the same basic layout, but with different features. The OPE–SRE has a potentiometer knob for frequency setting input. The SRW–0EX Read/write Copy Unit has the ability to upload (copy) or download (write) all inverter parameter data to/from memory in the copy unit itself. This unit is useful in transferring one inverter’s settings to another.

The following table shows various programming options, the features unique to each device, and the cables required.

Cables (for optional

Device

Inverter keypad, U.S. version

Inverter keypad, European version

Read/write Copy Unit with Keypad

TIP: Other special-purpose keypads are available, such as ones to serve the needs of the HVAC market (heating, ventilating & air conditioning). Please contact your Hitachi distributor for details.

Part

Number

OPE–SRE Monitor and

OPE–S Monitor and

SRW–0EX Monitor and

Parameter

Access

program

program; read or write all data

Parameter

setting

storage

EEPROM in inverter

EEPROM in inverter or in copy unit

external mounting)

Part

number

ICS–1 1 meter

ICS–3 3 meters

Use same two cables as

Length

above

Using Keypad Devices

SJ300 Inverter

3–3

Inverter Front Panel Keypad

Key and Indicator Legend

The SJ300 Series inverter front keypad contains all the elements for both monitoring and programming parameters. The keypad layout (OPE–SRE) is shown below. All other programming devices for the inverter have a similar key arrangement and function.

Powe r LED

Alarm LED

Display Units LEDs

Hertz Volts o r A mpere s (kW = both ON) Percent

Potentiometer Enable LED

Potentiometer

Run/Stop LED

Program/Monitor LED

Run Key Enable LED

Run Key

Stop/Reset Key

Parameter Display

HITACHI

RUN

PRG

RUN

FUNC

50.0

STOP

RESET

POWER

ALARM

MAX

MIN

STR

• Run/Stop LED – ON when the inverter output is ON and the motor is developing torque,

and OFF when the inverter output is OFF (Stop Mode).

• Program/Monitor LED – This LED is ON when the inverter is ready for parameter editing

• Run Key – Press this key to run the motor (the Run Enable LED must be ON first). Parame-

ter F004, Keypad Run Key Routing, determines whether the Run key generates a Run FWD or Run REV command.

• Run Key Enable LED – is ON when the inverter is ready to respond to the Run key, OFF

when the Run key is disabled.

• Stop/Reset Key – Press this key to stop the motor when it is running (uses the programmed

deceleration rate). This key will also reset an alarm that has tripped.

• Potentiometer (OPE–SRE only) – allows an operator to directly set the motor speed when

the potentiometer is enabled for output frequency control

• Potentiometer Enable LED – ON when the potentiometer is enabled for value entry

(OPE–SRE only).

• Parameter Display – a 4-digit, 7-segment display for parameters and function codes.

• Display Units: Hertz/Volts/Amperes/kW/% - These LEDs indicate the units associated

• Power LED – This LED is ON when the power input to the inverter is ON.

• Alarm LED – This LED is ON when an alarm condition has tripped the inverter. Clearing

the alarm will turn this LED OFF again. See Chapter 6 for details on clearing alarms.

• Function Key – This key is used to navigate through the lists of parameters and functions

for setting and monitoring parameter values.

• Up/Down ( , ) Keys – Use these keys to alternately move up or down the lists of

parameter and functions shown in the display, and increment/decrement values.

• Store ( ) Key – When the unit is in Program Mode and the operator has edited a param-

STR

eter value, press the Store key to write the new value to the EEPROM. This parameter is then displayed at powerup by default. If you want to change the powerup default, navigate to a new parameter value and press the Store key.

Configuring Drive

Parameters

3–4

Using Keypad Devices

Keypad Navigational Map

Parameters

Configuring Drive

Whether you use the keypad on the inverter or the read-write copy unit, each navigates the same way. The diagram below shows the basic navigational map of parameters and functions.

Monitor Mode Program Mode

Display Data

D002–D090

0.00

STR

Store as powerup

default

Increment/ decrement

value

Edit

PRG LED

D001

0.00

STR

Write data

to F001,

store D001

as powerup default

FUNC.

d o90

d o01

U–––

P–––

H–––

C–––

b –––

A–––

Fo04

Fo01

FUNC.

Select ParameterSelect Function

Uo1 2

Uo01

Po49

Po01

ho72

ho01

c1 23

co01

b 126

b o01

a1 32

ao01

Edit Parameter

FUNC.

Return to

parameter

Po49

d 001

FUNC.

Increment/ decrement

value

Edit

PRG LED

123.4

Write

data to

EEPROM,

store as

powerup

default

list

STR

NOTE: The inverter 7-segment display shows lower case “b” and “d”, meaning the same as the upper case letters “B” and “D” used in this manual (for uniformity “A to F”).

SJ300 Inverter

3–5

Operational Modes

The RUN and PGM LEDs tell just part of the story; Run Mode and Program Modes are independent modes, not opposite modes. In the state diagram to the right, Run alternates with Stop, and Program

STOP

RESET

Run Stop

RUN

Mode alternates with Monitor Mode. This is a very important ability, for it shows that a technician can approach a running machine and change some parameters without shutting down the machine.

Monitor Program

FUNC.

The occurrence of a fault during operation will cause the inverter to enter the Trip Mode as shown. An event such as an output overload will cause the inverter to exit the Run Mode and turn OFF its

Run Stop

STOP

RESET

RUN

output to the motor. In the Trip Mode, any request

Tr i p

STOP

RESET

Fault

to run the motor is ignored. You must clear the error by pressing the Stop/Reset switch. See

Monitoring Trip Events, History, & Conditions”

“

Fault

on page 6–5.

Run Mode Edits The inverter can be in Run Mode (inverter output is controlling motor) and still allow you to

edit certain parameters. This is useful in applications that must run continuously, yet need some inverter parameter adjustment.

The parameter tables in this chapter have a column titled “Run Mode Edit.” An Ex mark ✘ means the parameter cannot be edited; a Check mark ✔ means the parameter can be edited. You’ll notice in the table example to the right the two adjacent marks: “✘ ✔”. The two marks (that can also be “✘ ✘” or “✔ ✔”) correspond to these levels of access to editing:

• Low-access level to Run Mode edits (indicated by left-most mark)

• High-access level to Run Mode edits (indicated by right-most mark)

Run

Mode

Edit

Lo Hi

✘ ✔

Configuring Drive

Parameters

Control Algorithms

The Software Lock Setting (parameter B031) determines the particular access level that is in effect during Run Mode and access in other conditions, as well. It is the responsibility of the user to choose a useful and safe software lock setting for the inverter operating conditions and personnel. Please refer to “

The motor control program in the SJ300

Software Lock Mode” on page 3–36 for more information.

Inverter Control Algorithms

inverter has several sinusoidal PWM switching algorithms. The intent is that you select the best algorithm for the motor

V/f control,

constant torque

characteristics in your application. Each algorithm generates the frequency output in a unique way. Once configured, the algorithm is the basis for other parameter settings as well (see “

Torque Control Algorithms” on page 3–14). Therefore,

choose the best algorithm early in your application design process.

V/f control,

variable torque

V/f control, free-

setting curve

Output

Sensorless vector

(SLV) control

SLV control, 0Hz domain

Vector control with

sensor

3–6

“D” Group: Monitoring Functions

Parameters

Configuring Drive

Parameter Monitoring Functions

You can access important system parameter values with the “D” Group monitoring functions, whether the inverter is in Run Mode or Stop Mode. After selecting the function code number for the parameter you want to monitor, press the Function key once to show the value on the display. In Functions D005 and D006 the intelligent terminals use individual segments of the display to show ON/OFF status.

“D” Function

Func.

Code

D001 Output frequency monitor Real-time display of output

D002 Output current monitor Filtered display of output current

D003 Rotation direction

monitor

D004 Process variable (PV),

PID feedback monitor

D005 Intelligent input terminal

status

Name Description

frequency to motor, from 0.0 to

400.0 Hz

to motor (100 mS internal filter time constant)

Three different indications: “F”. Forward “o”. Stop “r” Reverse

Displays the scaled PID process variable (feedback) value (A75 is scale factor)

Displays the state of the intelligent input terminals:

Run

Mode

Edit

—

Range

and Units

0.0 to

SRW Display

FM 0000.00Hz

400.0 Hz

—

——Dir STOP

——PID-FB 0000.00%

——IN-TM LLLLLLLLL

Iout 0000.0A

OFF

Terminal numbers

D006 Intelligent output terminal

status

D007 Scaled output frequency

monitor

D012 Torque monitor Estimated output torque value,

D013 Output voltage monitor Voltage of output to motor,

Displays the state of the intelligent output terminals:

1415AL

Terminal numbers

Displays the output frequency scaled by the constant in B86. Decimal point indicates range: XX.XX 0.00 to 99.99 XXX.X 100.0 to 999.9 XXXX. 1000 to 9999 XXXX 10000 to 99990

range is -300.0 to +300.0%

range is 0.0 to 600.0V

123456

OFF

——OUT-TM LLLLLL

—

User-

F-CNV 000000.00

defined

—

VA C

TRQ +000%

Vout 000.0V

SJ300 Inverter

3–7

“D” Function

Func.

Code

D014 Power monitor 0.0 to 999.9 —

D016 Cumulative operation

RUN time monitor

D017 Cumulative power-on

time monitor

Trip Event and Programming Error Monitoring

Name Description

Displays total time the inverter has been in RUN mode in hours. Range is 0 to 9999 / 1000 to 9999/ 100 to 999 (10,000 to 99,900) hrs.

Displays total time the inverter has had input power (ON) in hours. Range is: 0 to 9999 / 100.0 to 999.9 / 1000 to 9999 / 100 to 999 hrs.

The trip event and history monitoring feature lets you cycle through related information using the keypad. See “

Programming errors generate an error code that begins with the special character. See

“

Programming Error Codes” on page 3–68 for more information.

Monitoring Trip Events, History, & Conditions” on page 6–5 for more details.

“D” Function

Func.

Code

Name Description

Run

Mode

Edit

—

Run

Mode

Edit

Lo Hi

Range

and Units

hours

Range

and Units

SRW Display

Power 000.0kW

RUN 0000000hr

ON 0000000hr

Configuring Drive

Parameters

SRW Display

D080 Trip Counter Number of trip events — — ERR COUNT 00000

D081 to D086

D090 Programming error

Trip monitor 1 to 6 Displays trip event information — — (Trip event type)

Displays programming error code — — XXXX

monitor

3–8

“F” Group: Main Profile Parameters

The basic frequency (speed) profile is defined by parameters contained in the “F” Group as shown to the right. The output frequency is set in Hz, but acceleration and deceleration are specified seconds (the time to ramp from zero to maximum frequency, or from maximum frequency to zero). The motor direction parameter determines whether the keypad Run key produces a FW or RV command. This parameter does not affect the [FW] terminal or [RV] intelligent terminal function, which you configure separately.

Acceleration 1 and Deceleration 1 are the standard default accel and decel values for the main profile. Accel and decel values for an alternative profile are specified by using parameters Ax92 through Ax93. The motor direction selection (F004) determines the direction of rotation as commanded only from the keypad. This setting applies to any motor profile (1st, 2nd, or 3rd) in use at a particular time.

Output frequency

F002 F003

F001

“F” Function

Parameters

Func.

Configuring Drive

Code

F001 Output frequency

setting

Name Description

Standard default target frequency that determines constant motor speed Range is 0 to 400 Hz

F002 Acceleration (1) time

setting

Standard default acceleration Range is 0.01 to 3600 sec.

F202 Acceleration (1) time

setting, 2nd motor

Standard default acceleration, 2nd motor Range is 0.01 to 3600 sec.

F302 Acceleration (1) time

setting, 3rd motor

Standard default acceleration, 3rd motor Range is 0.01 to 3600 sec.

F003 Deceleration (1) time

setting

Standard default deceleration Range is 0.01 to 3600 sec.

F203 Deceleration (1) time

setting, 2nd motor

Standard default deceleration, 2nd motor Range is 0.01 to 3600 sec.

F303 Deceleration (1) time

setting, 3rd motor

Standard default deceleration, 3rd motor Range is 0.01 to 3600 sec.

F004 Keypad Run key routing Two options; select codes:

00 Forward 01 Reverse

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✔ ✔ 0.00 0.00 0.00 Hz

✔ ✔ 30.0 30.0 30.0 sec.

✘ ✘ 00 00 00 —

SRW Display

>F001 SET-Freq. TM 0000.00Hz 2FS 0000.00Hz 3FS 0000.00Hz TM 0000.00Hz JG 0000.00Hz 1S 0000.00Hz 15S 0000.00Hz OP1 0000.00Hz OP2 0000.00Hz RS485 0000.00Hz

>F002 ACCEL TIME1 0030.00s

>F202 2ACCEL TIME1 0030.00s

>F302 3ACCEL TIME1 0030.00s

>F003 DECEL TIME1 0030.00s

>F203 2DECEL TIME1 0030.00s

>F303 3DECEL TIME1 0030.00s

>F004 DIG-RUN SELECT FW

“A” Group: Standard Functions

SJ300 Inverter

3–9

Basic Parameter Settings

These settings affect the most fundamental behavior of the inverter—the outputs to the motor. The frequency of the inverter’s AC output determines the motor speed. You may select from three different sources for the reference speed. During application development you may prefer using the potentiometer, but you may switch to an external source (control terminal setting) in the finished application, for example.

The base frequency and maximum frequency settings interact according to the graph below (left). The inverter output operation follows the constant V/f curve until it reaches the full-scale output voltage. This initial straight line is the constant-torque part of the operating characteristic. The horizontal line over to the maximum frequency serves to let the motor run faster, but at a reduced torque. This is the constant-horsepower part of the characteristic. If you want the motor to output constant torque over its entire operating range (limited to the motor nameplate voltage and frequency rating), then set the base frequency and maximum frequency equal as shown (below right).

100% 100%

A003 A004

Base

Frequency

Maximum

Frequency

Constant torque

Base frequency =

maximum frequency

A003

A004

NOTE: The “2nd motor” and “3rd motor” settings in the tables in this chapter store an alternate set of parameters for additional motors. The inverter can use the 1st, 2nd, or 3rd set of parameters to generate the output frequency to the motor. See “

Configuring the Inverter for

Multiple Motors” on page 4–72.

Configuring Drive

Parameters

“A” Function

Func.

Code

A001 Frequency source

setting

Name Description

Six options; select codes: 00 Keypad potentiometer 01 Control terminal 02 Function F001 setting 03 RS485 serial command 04 Expansion board 1 05 Expansion board 2

A002 Run command source

setting

Five options; select codes: 01 Input terminal [FW] or

[RV] (assignable)

02 Run key on keypad, or

digital operator 03 RS485 serial command 04 Start/Stop, expansion

card #1 05 Start/Stop, expansion

card #2

A003 Base frequency setting Settable from 30 Hz to the

maximum frequency

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✘ 01 01 02 —

✘ ✘ 50. 60. 60. Hz

SRW Display

>A001 F-SET SELECT TRM

>A002 F/R SELECT TRM

>A003 F-BASE F 0060Hz

3–10

“A” Group: Standard Functions

Func.

Code

A203 Base frequency setting,

2nd motor

A303 Base frequency setting,

3rd motor

A004 Maximum frequency

setting

A204 Maximum frequency

setting, 2nd motor

A304 Maximum frequency

setting, 3rd motor

Parameters

Configuring Drive

“A” Function

Name Description

Settable from 30 Hz to the maximum frequency

Settable from 30 Hz to 400 Hz

NOTE: The base frequency must be less than or equal to the maximum frequency (ensure that A003 ≤ A004).

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✘ 50. 60. 60. Hz

SRW Display

>A203 2F-BASE F 0060Hz

>A303 3F-BASE F 0060Hz

>A004 F-max F 0060Hz

>A204 2F-max F 0060Hz

>A304 3F-max F 0060Hz

SJ300 Inverter

3–11

Analog Input Settings

The inverter has the capability to accept external analog inputs that can command the output frequency to the motor. Signals including voltage input (0 to +10V) at terminal [O], bipolar input (-10 to +10V) at terminal [O2], and current input (4 to 20mA) at terminal [OI] are available. Terminal [L] serves as signal ground for the three analog inputs. The analog input settings adjust the curve characteristics between the analog input and the frequency output.

Adjusting [O–L] characteristics – In the graph to the right, A013 and A014 select

max. frequency

the active portion of the input voltage range. Parameters A011 and A012 select

A012

the start and end frequency of the converted output frequency range, respectively. Together, these four parameters define the major line segment as shown. When the line does not begin at the origin (A011 and A013 > 0), then A015 defines whether the inverter outputs 0Hz or the A011-specified frequency when the analog input value is less than the A013

A011

A015=0

A013 A014

A015=1

% input

100%

10V

setting. When the input voltage is greater than the A014 ending value, the inverter outputs the ending frequency specified by A012.

Adjusting [OI–L] characteristics – In the graph to the right, A103 and A104

max. frequency

select the active portion of the input current range. Parameters A101 and A102

A102

select the start and end frequency of the converted output frequency range, respectively. Together, these four parameters define the major line segment as shown. When the line does not begin at the origin (A101 and A103 > 0), then A105 defines whether the inverter outputs 0Hz or the A101-specified frequency when the analog input value is less than the A103

A101

4mA

A105=0

A103 A104

A105=1

% input

100% 20mA

setting. When the input voltage is greater than the A104 ending value, the inverter outputs the ending frequency specified by A102.

Adjusting [O2–L] characteristics – In the graph to the right, A113 and A114

max. fwd frequency

select the active portion of the input voltage range. Parameters A111 and A112 select the start and end frequency of the converted output frequency range, respectively. Together, these four parameters define the major line segment as shown. When the input voltage is less than the A113 input starting value, the inverter outputs the starting frequency

–100%

-10V

A113

A112

A111

A114

% input

+100%

+10V

specified by A111. When the input voltage is greater than the A114 ending value, the inverter outputs the ending

max. rev frequency

frequency specified by A112.

Configuring Drive

Parameters

3–12

“A” Group: Standard Functions

“A” Function

Func.

Code

Name Description

A005 [AT] selection Two options; select codes:

00 Select between [O] and

[OI] at [AT]

01 Select between [O] and

[O2] at [AT]

A006 [O2] selection Three options; select codes:

00 No summing, [O2] and

[OI]

01 Sum of [O2] and [OI],

neg. sum (reverse speed reference) inhibited

02 Sum of [O2] and [OI],

neg. sum (reverse speed reference) allowed

A011 [O]–[L] input active

range start frequency

The output frequency corresponding to the voltage input range starting point

Parameters

A012 [O]–[L] input active

Configuring Drive

range end frequency

Range is 0.00 to 400.00 Hz

The output frequency corresponding to the voltage input range ending point Range is 0.00 to 400.00 Hz

A013 [O]–[L] input active

range start voltage

The starting point for the voltage input range Range is 0 to 100%

A014 [O]–[L] input active

range end voltage

The ending point for the voltage input range Range is 0 to 100%

A015 [O]–[L] input start

frequency enable

Two options; select codes: 00 Use A011 start value 01 Use 0 Hz

A016 External frequency filter

time constant

Range n = 1 to 30, where n = number of samples for avg.

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✘ 00 00 00 —

✘ ✔ 0.00 0.00 0.00 Hz

✘ ✔ 0. 0. 0. %

✘ ✔ 100. 100. 100. %

✘ ✔ 01 01 01 —

✘ ✔ 8. 8. 8. Sam-

ples

SRW Display

>A005 AT SELECT O/OI

>A006 O2 SELECT O2

>A011 INPUT-O EXS 0000.00Hz

>A012 INPUT-O EXE 0000.00Hz

>A013 INPUT-O EX%S 000%

>A014 INPUT-O EX%E 100%

>A015 INPUT-O LEVEL 0Hz

>A016 INPUT F-SAMP 08

SJ300 Inverter

3–13

Multi-speed and Jog Frequency Settings

The SJ300 inverter has the capability to store and output up to 16 preset frequencies to the motor (A020 to A035). As in traditional motion terminology, we call this multi-speed profile capability. These preset frequencies are selected by means of digital inputs to the inverter. The inverter applies the current acceleration or deceleration setting to change from the current output frequency to the new one. The first multi-speed setting is duplicated for the second motor settings (the remaining 15 multi-speeds apply only to the first motor).

The jog speed setting is used whenever the Jog command is active. The jog speed setting range is arbitrarily limited to 10 Hz to provide safety during manual operation. The acceleration to the jog frequency is instantaneous, but you can choose from six modes for the best method for stopping the jog operation.

“A” Function

Func.

Code

A019 Multi-speed operation

selection

Name Description

Two options; select codes: 00 Binary; up to 16-stage

speed using 4 intelligent terminals

01 Single-bit; up to 8-stage

speed using 7 intelligent terminals

A020 Multi-speed frequency

setting

Defines the first speed of a multi-speed profile, range is 0 to 360 Hz A020 = Speed 1 (1st motor)

A220 Multi-speed frequency

setting, 2nd motor

Defines the first speed of a multi-speed profile for 2nd motor, range is 0 to 360 Hz A220 = Speed 1 (2nd motor)

A320 Multi-speed frequency

setting, 3rd motor

Defines the first speed of a multi-speed profile for 3rd motor, range is 0 to 360 Hz A320 = Speed 1 (3rd motor)

A021

Multi-speed frequency

settings

A035

(for both motors)

Defines 15 more speeds, range is 0 to 360 Hz. A021 = Speed 2... A035 = Speed 16

A038 Jog frequency setting Defines limited speed for

jog, range is 0.5 to 9.99 Hz

A039 Jog stop mode Define how end of jog stops

the motor; six options: 00 Free-run stop, jogging

disabled during motor run

01 Controlled deceleration,

jogging disabled during motor run

02 DC braking to stop,

jogging disabled during motor run

03 Free-run stop, jogging

always enabled

04 Controlled deceleration,

jogging always enabled

05 DC braking to stop,

jogging always enabled

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✘ 00 00 00 —

✔ ✔ 0.00 0.00 0.00 Hz

✔ ✔ 1.00 1.00 1.00 Hz

✘ ✔ 00 00 00 —

SRW Display

>A019 SPEED SELECT BINARY

>A020 SPEED FS 0000.00Hz

>A220 SPEED 2FS 0000.00Hz

>A320 SPEED 3FS 0000.00Hz

>A021 SPEED 01S 0000.00Hz

>A038 Jogging F 01.00Hz

>A039 Jogging Mode FRS

Configuring Drive

Parameters

3–14

“A” Group: Standard Functions

Torque Control Algorithms

Parameters

Configuring Drive

The inverter generates the motor output

Inverter Torque Control Algorithms

according to the V/f algorithm or the sensorless vector control algorithm. Parameter A044 selects the inverter torque control

V/f control,

constant torque

A044

algorithm for generating the frequency output, as shown in the diagram to the right (A244 and A344 for 2nd and 3rd motors, respectively). The factory default is 00

V/f control,

variable torque

(constant torque V/f control).

Review the following descriptions to help you choose the best torque control algorithm for your application.

• The built-in V/f curves are oriented toward developing constant torque or

V/f control, free-

setting curve

Sensorless vector

(SLV) control

Output

variable torque characteristics (see graphs below).

• The free-setting curve provides an even more flexible characteristic, but it

Sensorless vector,

0Hz domain

requires more parameter settings.

• Sensorless vector control calculates an ideal torque vector based on current

Vector control with

sensor

motor position, winding currents, and so on. It is a more robust control method than the V/f control methods. However, it is more dependent on actual motor parameters and will require you to set these values carefully or to perform the auto-tuning procedure (see “

Auto-tuning of Motor Constants” on page 4–67) to

obtain optimum performance.

• Sensorless vector control, 0Hz domain increases the low-speed torque performance (0–

2.5Hz) via an advanced Hitachi torque control algorithm. However, you will need to size the inverter for one frame size larger than the motor for proper operation.

• Vector control with sensor requires expansion card SJ–FB encoder feedback board and a motor shaft encoder. Choose this method when precise position/velocity control is required.

Constant and Variable Torque – The graph below (left) shows the constant torque characteristic from 0Hz to the base frequency A003. The voltage remains constant for output frequencies higher than the base frequency.

Output

voltage

100%

Constant torque Variable torque

Base

frequency

Maximum

frequency

Output

voltage

100%

10% of

base

frequency

b. c.

Base

frequency

Maximum frequency

The graph above (right) shows the general characteristic for variable torque. The curve may be best described in three sections, as follows:

a. The range from 0Hz to 10% of the base frequency is the constant torque characteristic.

For example, a base frequency of 60Hz ends the constant torque characteristic segment at 6Hz.

b. The range from 10% of the base frequency to the base frequency is the variable

(reduced) torque characteristic. The voltage is output in the curve of frequency to the 1.7 power.

SJ300 Inverter

3–15

c. After reaching the base frequency, the characteristic maintains a constant output voltage

for higher frequencies.

Using parameter A045 you can modify the voltage gain of the inverter. This is specified as a percentage of the full-scale setting AVR (Automatic Voltage Regulation) in parameter A082. The gain can be set from 20% to 100%. It must be adjusted in accordance with the motor specifications.

Torque Boost – The Constant and Variable Torque algorithms feature an adjustable torque boost curve. When the motor load has a lot of inertia or starting friction, you may need to increase the low frequency starting torque character-

100%

10%

A042 = 10

Torque boost

istics by boosting the voltage above the normal V/f ratio (shown at right). The boost is applied from zero to 1/2 the base frequency. You set the breakpoint of the boost (point A on the graph) by using parameters A042 and A043. The

6.0Hz 30.0Hz

A043 = 10%

frequency

f base =

60Hz

manual boost is calculated as an addition to the standard straight V/f line (constant torque curve).

Be aware that running the motor at a low speed for a long time can cause motor overheating. This is particularly true when manual torque boost is ON or if the motor relies on a built-in fan for cooling.

Configuring Drive

Parameters

NOTE: Manual torque boost applies only to constant torque (A044=00) and variable torque (A044=01) V/f control.

NOTE: The motor stabilization parameter H006 is effective for constant torque (A044=00) and variable torque (A044=01) V/f control.

V/f Free-setting – The free-setting V/f inverter mode of operation uses voltage and frequency parameter pairs to define seven points on a V/f graph. This provides a way to define a multisegment V/f curve that best suits your application.

The frequency settings do require that F1 ≤ F2 ≤ F3 ≤ F4 ≤ F5 ≤ F6 ≤ F7; their values must have this ascending order relationship. However, the voltages V1

Output voltage

to V7 may either increase or decrease

V2, V3

B101 to B113

(odd)

V4 V1

Output

frequency

0f1f2f3 f4f5f6f7Hz

B100 to B112

(even)

from one to the next. The example to the right shows the definition of a complex curve by following the setting requirements.

Free-setting f7 (B112) becomes the maximum frequency of the inverter. Therefore, we recommend setting f7 first, since the initial value of all default frequencies f1–f7 is 0Hz.

NOTE: The using of V/f free-setting operation specifies parameters that override (make invalid) certain other parameters. The parameters that become invalid are torque boost (A041/ A241), base frequency (A003/A203/A303), and maximum frequency (A004/A204/A304). In this case, we recommend leaving their settings at the factory default values.

3–16

“A” Group: Standard Functions

Configuring Drive

Parameters

The V/f free-setting endpoint f7/V7 parameters must stay within the more basic inverter limits in order for the specified free-setting characteristic

Output voltage

Voltage to output or AVR voltage

curve to be achieved. For example, the inverter cannot output a higher voltage than the input voltage or the AVR setting voltage (Automatic Voltage Regulation), set by parameter A082. The graph to the right shows how the inverter input voltage would clip (limit) the characteristic curve if exceeded.

B101 to B113

(odd)

f6 f7 Hz

B100 to B112

(even)

Output

frequency

Sensorless Vector Control and, Sensorless Vector Control, 0Hz Domain – These advanced torque control algorithms improve the torque performance at very low speeds:

• Sensorless Vector Control – improved torque control at output frequencies down to 0.5 Hz

• Sensorless Vector Control, 0Hz Domain – improved torque control at output frequencies from 0 to 2.5 Hz.

These low-speed torque control algorithms must be tuned to match the characteristics of the particular motor connected to your inverter. Simply using the default motor parameters in the inverter will not work satisfactorily for these control methods. Chapter 4 discusses motor/ inverter size selection and how to set the motor parameters either manually or by using the built-in auto-tuning. Before using the sensorless vector control methods, please refer to

“

Setting Motor Constants for Vector Control” on page 4–65.

“A” Function

Func. Code

Name Description

A041 Torque boost method

selection

A241 Torque boost method

selection, 2nd motor

NOTE: When the inverter is in SLV (sensorless vector) mode, use B083 to set the carrier frequency greater than 2.1 kHz for proper operation.

NOTE: You must disable sensorless vector operation when two or more motors are connected (parallel operation) to the inverter.

Vector Control with Encoder Feedback – This method of torque control uses an encoder as a motor shaft position sensor. Accurate position feedback allows the inverter to close the velocity loop and provide very accurate speed control, even with variations in motor loads. To use encoder feedback you will need to add an SJ–FB Encoder Feedback Card in the inverter’s expansion bay. Please refer to “

Expansion Cards” on page 5–5 in this manual or the SJ–FB

manual for details.

The following table shows the methods of torque control selection.

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

SRW Display

>A041 V-Boost Mode MANUAL

Two options: 00 Manual torque boost

Run

Mode

Edit

Lo Hi

✘ ✘ 00 00 00 —

01 Automatic torque boost

Two options (for 2nd motor):

✘ ✘ 00 00 00 —

>A241 2V-Boost Mode MANUAL

00 Manual torque boost 01 Automatic torque boost

SJ300 Inverter

3–17

“A” Function

Func.

Code

A042 Manual torque boost

value

Name Description

Can boost starting torque between 0 and 20% above normal V/f curve, from 0 to 1/2 base frequency

A242 Manual torque boost

value, 2nd motor

Can boost starting torque between 0 and 20% above normal V/f curve, from 0 to 1/2 base frequency

A342 Manual torque boost

value, 3rd motor

Can boost starting torque between 0 and 20% above normal V/f curve, from 0 to 1/2 base frequency

A043 Manual torque boost

frequency adjustment

Sets the frequency of the V/f breakpoint A in graph (top of previous page) for torque boost

A243 Manual torque boost

frequency adjustment, 2nd motor

Sets the frequency of the V/f breakpoint A in graph (top of previous page) for torque boost

A343 Manual torque boost

frequency adjustment, 3rd motor

Sets the frequency of the V/f breakpoint A in graph (top of previous page) for torque boost

A044 V/f characteristic curve

selection, 1st motor

Six torque control modes: 00 V/f constant torque 01 V/f variable torque 02 V/f free-setting curve 03 Sensorless vector SLV 04 0Hz domain SLV 05 Vector control with

encoder feedback

A244 V/f characteristic curve

selection, 2nd motor

Six torque control modes: 00 V/f constant torque 01 V/f variable torque 02 V/f free-setting curve 03 Sensorless vector SLV 04 0Hz domain SLV 05 Vector control with

encoder feedback

A344 V/f characteristic curve

selection, 3rd motor

Six torque control modes: 00 V/f constant torque 01 V/f variable torque 02 V/f free-setting curve 03 Sensorless vector SLV 04 0Hz domain SLV 05 Vector control with

encoder feedback

A045 V/f gain setting Sets voltage gain of the

inverter from 20 to 100%

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✔ ✔ 1.0 1.0 1.0 —

✔ ✔ 5.0 5.0 5.0 %

✘ ✘ 00 00 00 —

✔ ✔ 100.100.100. %

SRW Display

>A042 V-Boost Code 01.0%

>A242 2V-Boost Code 01.0%

>A342 3V-Boost Code 01.0%

>A043 V-Boost F 05.0%

>A243 2V-Boost F 05.0%

>A343 3V-Boost F 05.0%

>A044 Control 1st VC

>A244 2Control 2nd VC

>A344 3Control 3rd VC

>A045 V-Gain Gain 100%

Configuring Drive

Parameters

3–18

“A” Group: Standard Functions

Parameters

Configuring Drive

DC Braking Settings

The DC braking feature can provide additional stopping torque when compared to a normal deceleration to a stop. It can also ensure the motor and load are stopped before acceleration.

When decelerating – DC braking is particularly useful at low speeds when normal deceleration torque is minimal. During deceleration, the inverter injects a DC voltage into the motor windings

Output

voltage

DC brakingFree runRunning

A054

during deceleration below a frequency you can specify (A052). The braking power (A054) and duration (A055) can both be set. You can optionally specify a wait time before DC braking (A053),

–

A053 A055

during which the motor will free run (coast).

When starting – You can also apply DC braking upon the application of a Run command, specifying both the DC braking force level (A057) and the duration (A058). This will serve to stop the rotation of the motor and the load, when the load is capable of driving the motor. This effect, sometimes called “windmilling,” is common in fan applications. Often, air moving in duct work

Output

voltage

DC braking Running

A057

–

A058

will drive the fan in a backward direction. If an inverter is started into such a backward-rotating load, over-current trips can occur. Use DC braking as an “anti-windmilling” technique to stop the motor and load, and allow a normal acceleration from a stop. See also the “

Acceleration Pause Function” on page 3–21.

You can configure the inverter to apply DC braking at stopping only, at starting only, or both. DC braking power (0–100%) can be set separately for stopping and starting cases.

You can configure DC braking to initiate in one of two ways:

1. Internal DC braking – Set A051=01 to enable internal braking. The inverter automatically

applies DC braking as configured (during stopping, starting, or both).

2. External DC braking – Configure an input terminal with option code 7 [DB] (see “

External Signal for DC Injection Braking” on page 4–17 for more details). Leave A051=00,

although this setting is ignored when a [DB] input is configured. The DC braking force settings (A054 and A057) still apply. However, the braking time settings (A055 and A058) do not apply (see level and edge triggered descriptions below). Use A056 to select level or edge detection for the external input.

a. Level triggered – When the [DB] input signal is ON, the inverter immediately applies

DC injection braking, whether the inverter is in Run Mode or Stop Mode. You control DC braking time by the duration of the [DB] pulse.

b. Edge triggered – When the [DB] input transitions OFF-to-ON and the inverter is in Run

Mode, it will apply DC braking only until the motor stops... then DC braking is OFF. During Stop Mode, the inverter ignores OFF-to-ON transitions. Therefore, do not use edge triggered operation when you need DC braking before acceleration.

CAUTION: Be careful to avoid specifying a braking time that is long enough to cause motor overheating. If you use DC braking, we recommend using a motor with a built-in thermistor and wiring it to the inverter’s thermistor input (see “

Thermistor Thermal Protection” on page 4–

28). Also refer to the motor manufacturer’s specifications for duty-cycle recommendations

during DC braking.

SJ300 Inverter

3–19

“A” Function

Func.

Code

Name Description

A051 DC braking enable Two options; select codes:

00 Disable 01 Enable

A052 DC braking frequency

setting

The frequency at which DC braking activates during decel. Range is 0.00 to 60.00 Hz

A053 DC braking wait time The delay after reaching the

DC braking frequency, or [DB] signal, before DC braking begins. Range is 0.0 to 5.0 seconds

A054 DC braking force during

deceleration

A055 DC braking time for

deceleration

Variable DC braking force. Range is from 0% to 100%

Sets the duration for DC braking during decel. Range is 0.0 to 60.0 seconds

A056 DC braking / edge or

level detection for [DB] input

A057 DC braking force for

starting

A058 DC braking time for

starting

Two options; select codes: 00 Edge detection 01 Level detection

Variable DC braking force. Range is 0 to 100%

Sets the duration for DC braking before accel. Range is 0.0 to 60.0 seconds

A059 DC braking carrier

frequency setting

Range is 0.5 to 15 kHZ for models up to –550xxx, range is 0.5 to 10kHz for 750xxx to 1500xxx models

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 00 00 00 —

✘ ✔ 0.50 0.50 0.50 Hz

✘ ✔ 0.0 0.0 0.0 sec.

✘ ✔ 0. 0. 0. %

✘ ✔ 0.0 0.0 0.0 sec.

✘ ✔ 01 01 01 —

✘ ✔ 0. 0. 0. %

✘ ✔ 0.0 0.0 0.0 sec.

✘ ✘ 3.0 3.0 3.0 kHz

SRW Display

>A051 DCB Mode OFF

>A052 DCB F 00.50Hz

>A053 DCB WAIT 0.0s

>A054 DCB STP-V 000%

>A055 DCB STP-T 00.0s

>A056 DCB KIND LEVEL

>A057 DCB STA-V 000%

>A058 DCB STA-T 00.0s

>A059 DCB CARRIER 05.0kHz

Configuring Drive

Parameters

Max.braking

ratio (%)

Derating of DC Braking – The inverter uses an internal carrier frequency (set by A059) to generate a DC braking voltage (do not confuse with main inverter output carrier frequency set by B083). The maximum DC braking force available to the inverter is more limited with higher DC braking carrier frequency settings for A059 according to the graphs below.

100

Models 11 – 55kW

(75)

(46)

(34)

(22)

35791113

DC braking carrier frequency

Max.braking

ratio (%)

(10)

kHz

100

Models 75 – 132kW

DC braking carrier frequency

(60)

(40)

(20)

3579

(10)

kHz10

3–20

“A” Group: Standard Functions

Frequencyrelated Functions

Func. Code

A061 Frequency upper limit

setting

Parameters

Configuring Drive

A261 Frequency upper limit

setting, 2nd motor

A062 Frequency lower limit

setting

A262 Frequency lower limit

setting, 2nd motor

Frequency Limits – Upper and lower limits can be imposed on the inverter output frequency. These limits will apply regardless of the source of the speed reference. You can configure the lower frequency limit to be greater than zero as shown in the graph to the right. The upper limit must not exceed the rating of the motor or capability of the machinery.

“A” Function

Name Description

Sets a limit on output frequency less than the maximum frequency (A004) Range is 0.50 to 400.0 Hz

0.00 setting is disabled >0.10 setting is enabled

Sets a limit on output frequency less than the maximum frequency (A004) Range is 0.50 to 400.0 Hz

0.00 setting is disabled >0.10 setting is enabled

Sets a limit on output frequency greater than zero Range is 0.50 to 400.0 Hz

0.00 setting is disabled >0.1 setting is enabled

Sets a limit on output frequency greater than zero Range is 0.50 to 400.0 Hz

0.00 setting is disabled >0.10 setting is enabled

Output frequency

Upper

A061

limit

Lower

A062

limit

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 0.00 0.00 0.00 Hz

Settable

range

Frequency command

SRW Display

>A061 LIMIT HIGH 0000.00Hz

>A261 2LIMIT HIGH 0000.00Hz

>A062 LIMIT LOW 0000.00Hz

>A262 2LIMIT LOW 0000.00Hz

Jump Frequencies – Some motors or machines exhibit resonances at particular speed(s), which can be destructive for prolonged running at those speeds. The inverter has up to three jump frequencies as shown in the graph. The hysteresis around the jump frequencies causes the inverter output to skip around the sensitive frequency values.

Output

frequency

A067

A065

A063

Jump frequencies

A066

A064

Frequency command

A068

Hysteresis values

SJ300 Inverter

3–21

Func.

Code

A063

Jump (center) frequency

A065

setting

Name Description

A067

A064

Jump (hysteresis)

A066

frequency width setting

A068

Acceleration Pause Function

“A” Function

Up to 3 output frequencies can be defined for the output to jump past to avoid motor resonances (center frequency)

Run

Mode

Edit

Lo Hi

✘ ✔ 0.00 0.00 0.00 Hz

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

SRW Display

>A063 JUMP F1 0000.00Hz >A065 JUMP F2 0000.00Hz >A067 JUMP F3 0000.00Hz

Range is 0.00 to 400.0 Hz

Defines the distance from

✘ ✔ 0.50 0.50 0.50 Hz

the center frequency at which the jump occurs Range is 0.0 to 10.0 Hz

The acceleration pause function can be used to minimize the occurrence of over-current trips when accelerating high inertia loads. It introduces a dwell or pause in the acceleration ramp. You can control the frequency at which this dwell occurs (A069), and the duration of the pause time (A070). This function can also be used as an anti-windmilling tool, when the load might have a

Output

frequency

Accel pause

period

A069

A070

>A064 JUMP W1 00.50Hz >A066 JUMP W2 00.50Hz >A068 JUMP W3 00.50Hz

Set frequency

tendency to drive the motor in a reverse direction while the inverter is in a Stop mode. Initiating a normal acceleration in such a situation may result in over-current trips. This function can be used to keep the inverter output frequency and voltage at low levels long enough to bring the load to a stop, and commence turning in the desired direction before the acceleration ramp resumes. See also “

DC Braking

Settings” on page 3–18.

Configuring Drive

Parameters

“A” Function

Func.

Code

Name Description

A069 Acceleration pause

frequency setting

A070 Acceleration pause time

setting

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

Range is 0.00 to 400.0Hz ✘ ✔ 0.00 0.00 0.00 Hz

Range is 0.0 to 60.0 sec. ✘ ✔ 0.0 0.0 0.0 sec.

SRW Display

>A069 F-STOP F 0000.00H

>A070 F-STOP T 00.0s

3–22

“A” Group: Standard Functions

PID Control When enabled, the built-in PID loop calculates an ideal inverter output value to cause a loop

feedback process variable (PV) to move closer in value to the setpoint (SP). The current frequency command serves as the SP. The PID loop algorithm will read the analog input for the process variable (you specify either current or voltage input) and calculate the output.

• A scale factor in A075 lets you multiply the PV by a factor, converting it into engineering units for the process.

• Proportional, integral, and derivative gains are all adjustable.

• Optional – You can assign an intelligent input terminal the option code 23, PID Disable. When active, this input disables PID operation. See “

on page 3–49.

•See “

PID Loop Operation” on page 4–71 for more information.

Intelligent Input Terminal Overview”

“A” Function

Func. Code

Name Description

A071 PID Enable Enables PID function,

two option codes: 00 PID operation OFF 01 PID operation ON

A072 PID proportional gain Proportional gain has a

Parameters

Configuring Drive

A073 PID integral time

constant

A074 PID derivative time

constant

range of 0.2 to 5.0

Integral time constant has a range of 0.0 to 3600 seconds

Derivative time constant has a range of 0.0 to 100 seconds

A075 PV scale conversion Process Variable (PV) scale

factor (multiplier), range of

0.01 to 99.99

A076 PV source setting Selects source of Process

Variable (PV), option codes: 00 [OI] terminal (current

input)

01 [O] terminal (voltage

input)

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 00 00 00 —

✔ ✔ 1.0 1.0 1.0 —

✔ ✔ 1.0 1.0 1.0 sec.

✔ ✔ 0.0 0.0 0.0 sec.

✘ ✔ 1.00 1.00 1.00 —

✘ ✔ 00 00 00 —

SRW Display

>A071 PID SW OFF

>A072 PID P 1.0

>A073 PID I 0001.0s

>A074 PID D 000.00

>A075 PID CONV 001.00

>A076 PID INPUT OI

NOTE: The setting A073 for the integrator is the integrator’s time constant Ti, not the gain. The integrator gain Ki = 1/Ti. When you set A073 = 0, the integrator is disabled.

SJ300 Inverter

3–23

Automatic Volta ge Regulation (AVR) Function

The automatic voltage regulation (AVR) feature keeps the inverter output voltage at a relatively constant amplitude during power input fluctuations. This can be useful if the installation is subject to input voltage disturbances. However, the inverter cannot boost its motor output to a voltage higher than the power input voltage. If you enable this feature, be sure to select the proper voltage class setting for your motor.

“A” Function

Func.

Code

Name Description

A081 AVR function select Automatic (output) voltage

regulation, selects from three type of AVR functions, three option codes: 00 AVR enabled 01 AVR disabled 02 AVR enabled except

during deceleration

A082 AVR voltage select 200V class inverter settings:

200/215/220/230/240

400V class inverter settings:

380/400/415/440/460/ 480

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✘ 00 00 00 —

✘ ✘ 230/

400

230/

460

200/

400

SRW Display

>A081 AVR MODE DOFF

>A082 AVR

AC 230

Configuring Drive

Parameters

Energy Savings Mode / Optimal Accel/Decel

“A” Function

Func.

Code

A085 Operation mode

selection

A086 Energy saving mode

tuning

Name Description

Energy Savings Mode – This function allows the inverter to deliver the minimum power

necessary to maintain speed at any given frequency. This works best when driving variable torque characteristic loads such as fans and pumps. Parameter A085=01 enables this function and A086 controls the degree of its effect. A setting of 0.0 yields slow response but high accuracy, while a setting of 100 will yield a fast response with lower accuracy.

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

>A085 RUN MODE NOR

SRW Display

Three options: 00 Normal operation

Run

Mode

Edit

Lo Hi

✘ ✘ 00 00 00 —

01 Energy-saver operation 02 Optimal accel/decel

operation

Range is 0.0 to 100 sec. ✔ ✔ 50.050.050.0 sec.

>A086 RUN ECO 0050.0s

Optimal Accel/Decel Operation – This feature uses “fuzzy” logic to optimize acceleration and deceleration curves in real time. It is enabled by A085=02. Optimal accel/decel operation automatically adjusts the acceleration and deceleration times in response to changes in load or inertia to take advantage of the maximum output current capability of the inverter. In general, optimal accel/decel will allow for the shortest accel and decel times based on the actual load conditions. The function continuously monitors output current and DC bus voltage to avoid reaching their respective trip levels.

NOTE: In this mode, the settings of acceleration and deceleration times (F002 and F003) are disregarded.

3–24

Parameters

Configuring Drive

“A” Group: Standard Functions

Optimal Accel/Decel Operation, continued...

The acceleration time is controlled to maintain output current below the level set by the Overload Restriction Function if enabled (Parameters B021/B024, B022/B025, and B023/ B026). If Overload Restriction is not enabled, then the current limit used is 150% of the inverter’s rated output current.

The deceleration time is controlled so that the output current is maintained below 150% of the inverter’s rated current, and the DC bus voltage is maintained below the OV Trip level (358V or 770V).

NOTE: DO NOT use Optimal Accel/Decel (A085 = 02) when an application...

• has a requirement for constant acceleration or deceleration

• has a load inertia more than (approx.) 20 times the motor inertia

• uses internal or external regenerative braking

• uses any of the vector control modes (A044 = 03, 04, or 05). This function is ONLY

compatible with V/F control.

NOTE: If the load exceeds the rating of the inverter, the acceleration time may be increased.

NOTE: If using a motor with a capacity that is one size smaller than the inverter rating, enable

the Overload Restriction function (B021/B024) and set the Overload Restriction Level (B022/ B025) to 1.5 times the motor nameplate current.

Second Acceleration and Deceleration Functions

2CH input

NOTE: Be aware that the acceleration and deceleration times will vary, depending on the actual load conditions during each individual operation of the inverter.

The SJ300 inverter features two-stage acceleration and deceleration ramps. This gives flexibility in the profile shape. You can specify the frequency transition point, the point at which the standard acceleration (F002) or deceleration (F003) changes to the second acceleration (A092) or deceleration (A093). These profile options are also available for the second motor settings and third motor settings. All acceleration and deceleration times are time to ramp from zero speed to full speed or full speed to zero speed. Select a transition method via A094 as depicted below. Be careful not to confuse the second acceleration/deceleration settings with settings for the second motor!

A094=00 A094=01

Accel 2

Accel 1

frequencyfrequency

Accel 2

A095

Accel 1

Frequency

transition point

SJ300 Inverter

3–25

“A” Function

Func.

Code

Name Description

A092 Acceleration (2) time

setting

A292 Acceleration (2) time

setting, 2nd motor

A392 Acceleration (2) time

setting, 3rd motor

A093 Deceleration (2) time

setting

A293 Deceleration (2) time

setting, 2nd motor

A393 Deceleration (2) time

setting, 3rd motor

A094 Select method to switch

to Acc2/Dec2 profile

A294 Select method to switch

to Acc2/Dec2 profile, 2nd motor

A095 Acc1 to Acc2 frequency

transition point

A295 Acc1 to Acc2 frequency

transition point, 2nd motor

A096 Dec1 to Dec2 frequency

transition point

A296 Dec1 to Dec2 frequency

transition point, 2nd motor

Duration of 2nd segment of acceleration, range is:

0.01 to 3600 sec.

Duration of 2nd segment of acceleration, 2nd motor, range is: 0.01 to 3600 sec.

Duration of 2nd segment of deceleration, range is:

0.01 to 3600 sec.

Duration of 2nd segment of deceleration, 2nd motor, range is: 0.01 to 3600 sec.

Two options for switching from1st to 2nd accel/decel: 00 2CH input from terminal 01 transition frequency

Two options for switching from1st to 2nd accel/decel: 00 2CH input from terminal 01 transition frequency (2nd

motor)

Output frequency at which Accel1 switches to Accel2, range is 0.00 to 400.0 Hz

Output frequency at which Accel1 switches to Accel2, range is 0.00 to 400.0 Hz (2nd motor)

Output frequency at which Decel1 switches to Decel2, range is 0.00 to 400.0 Hz

Output frequency at which Decel1 switches to Decel2, range is 0.00 to 400.0 Hz (2nd motor)

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✔ ✔ 15.015.015.0 sec.

✘ ✘ 00 00 00 —

✘ ✘ 0.0 0.0 0.0 Hz

SRW Display

>A092 ACCEL TIME2 0015.00s

>A292 2ACCEL TIME2 0015.00s

>A392 3ACCEL TIME2 0015.00s

>A093 DECEL TIME2 0015.00s

>A293 2DECEL TIME2 0015.00s

>A393 3DECEL TIME2 0015.00s

>A094 ACCEL CHANGE TM

>A294 ACCEL CHANGE TM

>A095 ACCEL CHFr 0000.00Hz

>A295 2ACCEL CHFr 0000.00Hz

>A096 DECEL CHFr 0000.00Hz

>A296 2DECEL CHFr 0000.00Hz

Configuring Drive

Parameters

NOTE: For A095 and A096 (and for 2nd motor settings), if you set a very rapid Acc1 or Dec1 time (less than 1.0 second), the inverter may not be able to change rates to Acc2 or Dec2 before reaching the target frequency. In that case, the inverter decreases the rate of Acc1 or Dec1 in order to achieve the second ramp to the target frequency.

3–26

“A” Group: Standard Functions

Accel/Decel Characteristics

Parameters

Configuring Drive

Curve

Accel

A97

Decel

A98

Standard (default) acceleration and deceleration is linear with time. The inverter CPU can also calculate other curves shown in the graphs below. The sigmoid, U-shape, and reverse U-shape curves are useful for favoring the load characteristics in particular applications. Curve settings for acceleration and deceleration are independently selected via parameters A097 and A098, respectively. You can use the same or different curve types for acceleration and deceleration.

00Set value

Linear Sigmoid U-shape Reverse U-shape

Output frequency

time

Output frequency

01 02 03

Output frequency

time

Output frequency

time

Output frequency

time

Ty p ic a l

applications

Linear acceleration and deceleration for general-purpose use

“A” Function

Func. Code

Name Description

A097 Acceleration curve

selection

A098 Deceleration curve

selection

time

Avoid jerk on start/stop for elevators; use for delicate loads on conveyors

Set the characteristic curve of Accel1 and Accel2, four options: 00 Linear 01 S-curve 02 U-shape 03 Reverse U-shape

Set the characteristic curve of Decel1 and Decel2, four options: 00 Linear 01 S-curve 02 U-shape 03 Reverse U-shape

time

Run

Mode

Edit

Lo Hi

Tension control for winding applications, web presses, roller/accumulators

Defaults

–FE

–FU

(CE)

(UL)

–FR

(Jpn)

time

Units

✘ ✘ 00 00 00 —

time

SRW Display

>A097 ACCEL LINE Linear

>A098 DECEL LINE Linear

SJ300 Inverter

3–27

The acceleration and deceleration curves can deviate from a straight line to a varying degree. Parameters A131 and A132 control the amount of deviation for the acceleration and deceleration curves respectively. The following graphs show intermediate output frequency points as a percentage of the target frequency, for 25%, 50%, and 75% acceleration time intervals.

Output frequency % of target

100

96.9

82.4

17.6

3.1

“A” Function

Func.

Code

Name Description

A131 Acceleration curve

constants setting

A132 Deceleration curve

constants setting

25 50 75

time

Sets the curve deviation from straight-line acceleration in ten levels: 01 smallest deviation 10 largest deviation

Sets the curve deviation from straight-line deceleration in ten levels: 01 smallest deviation 10 largest deviation

Output frequency % of target

100 100

99.6

93.8

87.5

68.4

64.6

35.0

25 50 75

Run

time

Defaults

Mode

Edit

–FE

–FU

Lo Hi

(CE)

(UL)

–FR

(Jpn)

✘ ✔ 02 02 02 —

Output frequency % of target

65.0

35.4

31.6

12.5

6.25

0.39

25 50 75

Units

>A131 ACCEL GAIN 02

>A132 DECEL GAIN 02

time

Configuring Drive

Parameters

SRW Display

3–28

“A” Group: Standard Functions

Additional Analog Input Settings

Func. Code

A101 [OI]–[L] input active

range start frequency

A102 [OI]–[L] input active

range end frequency

A103 [OI]–[L] input active

range start current

A104 [OI]–[L] input active

Parameters

Configuring Drive

A105 [OI]–[L] input start

A111 [O2]–[L] input active

A112 [O2]–[L] input active

A113 [O2]–[L] input active

A114 [O2]–[L] input active

range end current

frequency enable

range start frequency

range end frequency

range start voltage

range end voltage

The parameters in the following table adjust the input characteristics of the analog inputs. When using the inputs to command the inverter output frequency, these parameters adjust the starting and ending ranges for the voltage or current, as well as the output frequency range. Related characteristic diagrams are located in “

“A” Function

Name Description

The output frequency corresponding to the current input range starting point. Range is 0.00 to 400.0 Hz

The output frequency corresponding to the current input range ending point. Range is 0.00 to 400.0 Hz

The starting point for the current input range. Range is 0 to 100%

The ending point for the current input range. Range is 0 to 100%

Two options: 00 Use A101 start value 01 Use 0Hz

The output frequency corresponding to the bipolar voltage input range starting point. Range is –400. to 400. Hz

The output frequency corresponding to the bipolar voltage input range ending point. Range is –400. to 400. Hz

The starting point for the bipolar voltage input range. Range is –100 to 100%

The ending point for the bipolar voltage input range. Range is –100 to 100%

Analog Input Settings” on page 3–11.

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 00.0 00.0 00.0 Hz

✘ ✔ 20. 20. 20. %

✘ ✔ 100. 100. 100. %

✘ ✔ 01 01 01 Hz

✘ ✔ 0.00 0.00 0.00 Hz

✘ ✔ -100. -100. -100. %

✘ ✔ 100. 100. 100. %

SRW Display

>A101 INPUT-OI EXS 0000.00Hz

>A102 INPUT-OI EXE 0000.00Hz

>A103 INPUT-OI EX%S 020%

>A104 INPUT-OI EX%E 100%

>A105 INPUT-OI LEVEL 0Hz

>A111 INPUT-O2 EXS +000.00Hz

>A112 INPUT-O2 EXE +000.00Hz

>A113 INPUT-O2 EX%S -100%

>A114 INPUT-O2 EX%E +100%

“B” Group: Fine-Tuning Functions

The “B” Group of functions and parameters adjust some of the more subtle but useful aspects of motor control and system configuration.

SJ300 Inverter

3–29

Automatic Restart Mode and Phase Loss

The restart mode determines how the inverter will resume operation after a fault causes a trip event. The four options provide advantages for various situations. Frequency matching allows the inverter to read the motor speed by virtue of its residual magnetic flux and restart the output at the corresponding frequency. The inverter can attempt a restart a certain number of times depending on the particular trip event:

• Over-current trip, restart up to 3 times

• Over-voltage trip, restart up to 3 times

• Under-voltage trip, restart up to 16 times

When the inverter reaches the maximum number of restarts (3 or 16), you must power-cycle the inverter to reset its operation.

Other parameters specify the allowable under-voltage level and the delay time before restarting. The proper settings depend on the typical fault conditions for your application, the necessity of restarting the process in unattended situations, and whether restarting is always safe.

Power failure > allowable power

fail time (B002), inverter trips

free-runningfree-running

Input

power

Inverter

output

Motor

speed

Power failure < allowable power fail

time (B002), inverter resumes

Input

power

Inverter

output

Motor speed

Configuring Drive

Parameters

“B” Function

Func.

Code

Name Description

B001 Selection of automatic

restart mode

Allowable

power fail time

Retry wait time

B002

Select inverter restart method, four option codes: 00 Alarm output after trip,

automatic restart

disabled 01 Restart at 0Hz 02 Resume operation after

frequency matching 03 Resume previous freq.

after freq. matching, then

decelerate to stop and

display trip info

Powe r failure

B003

tt00

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 00 00 00 —

Powe r failure

B002

power fail time

SRW Display

>b001 IPS POWER ALM

Allowable

3–30

“B” Group: Fine-Tuning Functions

Func. Code

B002 Allowable under-

voltage power failure time

B003 Retry wait time before

motor restart

B004 Instantaneous power

Parameters

failure / under-voltage trip alarm enable

Configuring Drive

B005 Number of restarts on

power failure / undervoltage trip events

B006 Phase loss detection

enable

B007 Restart frequency

threshold

“B” Function

Name Description

The amount of time a power input under-voltage can occur without tripping the power failure alarm. If under-voltage exists longer than this time, the inverter trips, even if the restart mode is selected. If it exists less than this time retry will be attempted. Range is 0.3 to

1.0 sec.

Time delay after a trip condition goes away before the inverter restarts the motor. Range is 0.3 to 100 seconds.

Three option codes: 00 Disable 01 Enable 02 Disable during stop and

ramp to stop

Two option codes: 00 Restart 16 times 01 Always restart

Two option codes: 00 Disable – no trip on

phase loss

01 Enable – trip on phase

loss

When the frequency of the motor is less than this value, the inverter will restart at 0Hz. Range is 0.00 to 400.0 Hz

–FE

(CE)

Defaults

–FU

(UL)

–FR

(Jpn)

Units

Run

Mode

Edit

Lo Hi

✘ ✔ 1.0 1.0 1.0 sec.

✘ ✔ 00 00 00 —

✘ ✔ 0.00 0.00 0.00 Hz

SRW Display

>b002 IPS TIME 1.0s

>b003 IPS WAIT 001.0s

>b004 IPS TRIP OFF

>b005 IPS RETRY 16

>b006 PH-FAIL SELECT OFF

>b007 IPS F 0000.00Hz

Electronic Thermal Overload Alarm Setting

CAUTION: When a loss of phase occurs, increased ripple current will markedly reduce main capacitor life over time. Diode bridge failure can also result. If phase loss occurs under load, the inverter could be damaged. Please pay particular attention to the setting of function B006.

The thermal overload detection protects the inverter and motor from overheating due to an excessive load. It uses a current/ inverse time curve to determine the trip point. The thermal overload alarm [THM] is the resulting intelligent output.

First, use B013 to select the torque

Trip current

reduction

factor x 1.0

x 0.8

x 0.6

Constant torque

Reduced

torque

B013=01

B013=00

characteristic that matches your load. This allows the inverter to utilize the best thermal overload characteristic for your application.

0 5 20 60 120

Output frequency

SJ300 Inverter

3–31

The torque developed in a motor is directly proportional to the current in the windings, which is also proportional to the heat generated (and temperature, over time). Therefore, you must set the thermal overload threshold in terms of current (amperes) with parameter B012. The range is 50% to 120% of the rated current for each inverter model. If the current exceeds the level you specify, the inverter will trip and log an event (error E5) in the history table. The inverter turns the motor output OFF when tripped. Separate settings are available for the second and third motors (if applicable), as shown in the table below.

Function

Code

B012 / B212

/ B312

Electronic thermal setting (calculated within the inverter from current output)

Function/Description Data or Range

Range is 0.2 * rated current to

1.2 * rated current

For example, suppose you have inverter model SJ300-110LFE. The rated motor current is 46A. The setting range is (0.2 * 46) to (1.2 *46), or

Tr i p

time (s)

9.2A to 55.2A. For a setting of B012 = 46A (current at 100%), the figure to the right shows

the curve.

The electronic thermal characteristic adjusts the way the inverter calculates thermal heating, based on the type of load connected to the motor, as set by parameter B013.

CAUTION: When the motor runs at lower speeds, the cooling effect of the motor’s internal fan decreases.

0.5

53.4 69 92

116% 150% 200%

Trip current at 60 Hz

The table below shows the torque profile settings. Use the one that matches your load.

Function Code Data Function/Description

Configuring Drive

Parameters

00 Reduced torque

B013 / B213 / B313

01 Constant torque

02 Free-setting

Reduced Torque Characteristic – The example below shows the effect of the reduced torque characteristic curve (for example motor and current rating). At 20Hz, the output current is reduced by a factor of 0.8 for given trip times.

Trip current

reduction

factor

x 1.0

x 0.8

x 0.6

520 60

Tr i p

time (s)

0.5

Hz A

73.642.7 55.2

92.8% 120% 160%

Reduced trip current at 20 Hz

3–32

“B” Group: Fine-Tuning Functions

Constant Torque Characteristic – Selecting the constant torque characteristic for the example motor gives the curves below. At 2.5 Hz, the output current is reduced by a factor of 0.9 for given trip times.

Trip current

reduction

factor

x 1.0

x 0.9

x 0.8

Tr i p

time (s)

0.5

Configuring Drive

Parameters

2.5 5 60

Hz A

82.847.8 62.1

104% 135% 180%

Reduced trip current at 2.5 Hz

Free Thermal Characteristic - It is possible to set the electronic thermal characteristic using a free-form curve defined by three data points, according to the table below.

Function

Code

B015 / B017 /

B019

B016 / B018 /

B020

Free-setting electronic thermal frequency 1, 2, 3

Free setting electronic thermal current 1, 2, 3

Name Description Range

Data point coordinates for Hz axis (horizontal) in the free-form curve

Data point coordinates for Ampere axis (vertical) in the free-form curve

0 to 400Hz

0.0 = (disable)

0.1 to 1000.

The left graph below shows the region for possible free-setting curves. The right graph below shows an example curve defined by three data points specified by B015 – B020.

Trip current

reduction

factor

x 1.0

x 0.8

Setting range

Output

current (A)

B020

B018

B016

5400

Output freq.

B015 B017 B019 Ax04

max. freq.

Suppose the electronic thermal setting (B012) is set to 44 Amperes. The left graph below shows the effect of the free setting torque characteristic curve. For example, at (B017) Hz, the output current level to cause overheating in a fixed time period is reduced by a factor of (B018). The right graph below shows the reduced trip current levels in those conditions for given trip times.

Tr i p

time (s)

0.5

Reduced trip current at (B017) Hz

(x) (y) (z)

(x) = B018 value x 116% (y) = B018 value x 120% (z) = B018 value x 150%

SJ300 Inverter

Any intelligent output terminal may be programmed to indicate a thermal warning [THM]. Parameter C061 determines the warning threshold. Please see “

Thermal Warning Signal” on

page 4–55 for more details.

3–33

“B” Function

Func.

Code

Name Description

B012 Level of electronic

thermal setting

B212 Level of electronic

thermal setting, 2nd motor

B312 Level of electronic

thermal setting, 3rd motor

B013 Electronic thermal

characteristic

B213 Electronic thermal

characteristic, 2nd motor

B313 Electronic thermal

characteristic, 3rd motor

B015 Free setting, electronic

thermal frequency (1)

B016 Free setting, electronic

thermal current (1)

Defaults

–FE

–FU

–FR

(CE)

(UL)

(Jpn)

each inverter model

Units

Set a level between 50% and 120% of the inverter rated

Run

Mode

Edit

Lo Hi

✘ ✔ rated current for

current

Set a level between 50% and 120% of the inverter rated

✘ ✔ rated current for

each inverter model

current

Set a level between 50% and 120% of the inverter rated

✘ ✔ rated current for

each inverter model

current

Select from three curves,

✘ ✔ 01 01 00 —

option codes: 00 Reduced torque 01 Constant torque 02 V/f free-setting

Select from three curves,

✘ ✔ 01 01 00 —

option codes: 00 Reduced torque 01 Constant torque 02 V/f free-setting

Select from three curves,

✘ ✔ 01 01 00 —

option codes: 00 Reduced torque 01 Constant torque 02 V/f free-setting

Range is 0.0 to 400.0 Hz ✘ ✔ 0. 0. 0. Hz

Range is 0.0 to 1000. A ✘ ✔ 0.0 0.0 0.0 A

SRW Display

>b012 E-THM LEVEL 0016.5A

>b212 2E-THM LEVEL 0016.5A

>b312 3E-THM LEVEL 0016.5A

>b013 E-THM CHAR CRT

>b213 2E-THM CHAR CRT

>b313 3E-THM CHAR CRT

>b015 E-THM F1 0000Hz

>b016 E-THM A1 0000.0A

Configuring Drive

Parameters

B017 Free setting, electronic

thermal frequency (2)

B018 Free setting, electronic

thermal current (2)

B019 Free setting, electronic

thermal frequency (3)

B020 Free setting, electronic

thermal current (3)

Range is 0.0 to 400.0 Hz ✘ ✔ 0. 0. 0. Hz

Range is 0.0 to 1000. A ✘ ✔ 0.0 0.0 0.0 A

Range is 0.0 to 400.0 Hz ✘ ✔ 0. 0. 0. Hz

Range is 0.0 to 1000. A ✘ ✔ 0.0 0.0 0.0 A

>b017 E-THM F2 0000Hz

>b018 E-THM A2 0000.0A

>b019 E-THM F3 0000Hz

>b020 E-THM A3 0000.0A

Hitachi SJ300-037HFE User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Cover

Safety Messages

Definitions and Symbols

Hazardous High Voltage

General Precautions - Read These First!

Index to Warnings and Cautions in This Manual

General Warnings and Cautions

General Caution

UL® Cautions, Warnings, and Instructions

Wiring Warnings for Electrical Practices and Wire Sizes

Circuit Breaker and Fuse Sizes

Wire Connectors

Motor Overload Protection

Table of Contents

Revisions

Contact Information

Getting Started

Introduction

Main Features Congratulations on your purchase of an SJ300

Digital Operator Interface Components

Removable Components

Specifications Label and Agency Approvals

Model Number Convention

SJ300 Inverter Specifications

Tables for 200V class inverters

Tables for 400V class inverters

Item General Specifications

Signal Ratings Detailed ratings are in “Specifications of Control and Logic Connections” on page 4–9.

Derating Curves The maximum available inverter current output is limited by the carrier frequency and ambient

Introduction to Variable-Frequency Drives

The Purpose of Motor Speed Control for Industry

What is an Inverter?

Torque a nd Constant Volts/ Hertz Operation

Inverter Input and Three-Phase Power

Inverter Output to the Motor

Intelligent Functions and Parameters

Braking In general, braking is a force that attempts to slow or stop motor rotation. So it is associated

Velocity Profiles The SJ300 inverter is capable of sophisti-

Frequently Asked Questions

Orientation to Inverter Features

Unpacking and Inspection

Main Physical Features

Basic System Description

Step-by-Step Basic Installation

Determining Wire and Fuse Sizes

Terminal Dimensions and Torque Specs

Logic Control Wiring

Powerup Test

Goals for the Powerup Test

Pre-test and Operational Precautions

Powering the Inverter

Using the Front Panel Keypad

Front Panel Introduction

Parameter Editing and Controls

Keys, Modes, and Parameters

Keypad Navigational Map

Monitoring Parameters with the Display

Running the Motor

Choosing a Programming Device

Introduction Hitachi variable frequency drives (inverters) use the latest electronics technology for getting the

Inverter Programming Keypads

Using Keypad Devices

Inverter Front Panel Keypad

Key and Indicator Legend

Keypad Navigational Map

Operational Modes

Run Mode Edits The inverter can be in Run Mode (inverter output is controlling motor) and still allow you to

Control Algorithms

“D” Group: Monitoring Functions

Parameter Monitoring Functions

Trip Event and Programming Error Monitoring

“F” Group: Main Profile Parameters

“A” Group: Standard Functions

Basic Parameter Settings

Analog Input Settings

Multi-speed and Jog Frequency Settings