Hitachi J300 User Manual

HITACHI INVERTER

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J300 SERIES

INSTRUCTION MANUAL

Three phase input 200/400V class

J300 U : USA version

After reading this manual, keep it at hand for future reference.

NB506XC

Hitachi, Ltd.

Tokyo Japan

SAFETY

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For the Best Results with J300 Series inverter, read this manual and all of the warning sign attached to
the inverter carefully before installing and operating it, and follow the instructions exactly. Keep this
manual handy for your quick reference.

Definitions and Symbols

A safety instruction (message) is given with a hazard alert symbol and a signal word;
WARNING or CAUTION. Each signal word has the following meaning throughout this manual.

This symbol means hazardous high voltage. It used to call your attention to
items or operations that could be dangerous to your and other persons operat­ing this equipment.

Read these message and follow these instructions carefully.

This is the “Safety Alert Symbol.” This symbol is used to call your attention
to items or operations that could be dangerous to your or other persons operat­ing this equipment. Read these messages and follow these instructions
carefully.

WARNING WARNING

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

CAUTION CAUTION

Indicates a potentially hazardous situation which, if not avoided, can result in
minor to moderate injury, or serious damage of product.

The matters described under CAUTION may, if not avoided, lead to
serious results depending on the situation. Important matters are described in

CAUTION (as well as WARNING), so be sure to observe them.

NOTE NOTE: Notes indicate an area or subject of special merit, emphasizing either

the product’s capabilities or common errors in operation or maintenance.

HAZARDOUS HIGH VOLTAGE

Motor control equipment and electronic controllers are connected to hazardous line voltages. When
servicing drives and electronic controllers, there might be exposed components with cases 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 an electronic controllers or rotating electrical equipment.

- i -

PRECA UTIONS

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WARNING: This equipment should be installed, adjusted and serviced by qualified electrical
maintenance personal 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, 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 protection, install a leak breaker type with a high frequency circuit capable
of large currents to avoid an unnecessary operation. The ground fault protection circuit is not
designed to protect personal injury.

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

AVERTISSEMENT : RISQUE DE CHOC ELECTRIQUE COUPER L'ALIMENTATION
AVANT LE DEPANNAGE DE CETTE COMMANDE.

WARNING : SEPARATE MOTOR OVERCURRENT, OVERLOAD AND OVER-
HEATING PROTECTION IS REQUIRED TO BE PROVIDED IN ACCORDANCE
WITH THE SAFETY CODES REQUIRED BY JURISDICTIONAL AUTHORITIES.

AVERTISSEMENT : LE MOTEUR DOIT ETRE MUNI D'UNE PROTECTION
DISTINCTE CONTRE LES SURINTENSITES, LA SURCHARGE ET LA
SURCHAUFFE,CONFORMEMENT AU CODE CANADIEN DE L'ELECTRICITE<
PREMIERE PARTIE.

CAUTION: These instructions should be read and clearly understood before working on J300
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, Ltd.

CAUTION: Be sure to connect a motor thermal switch or overload device to the J300 series
controller to assure that the inverter will shut down in the event of an overload or an overheated
motor.

CAUTION: DANGEROUS VOLTAGE EXISTS UNTIL CHARGE LIGHT IS OFF.
ATTENTION: PRESENCE DE TENSIONS DANGEREUSES TANT QUE LE VOYANT

N'EST PAS ETEINT.
CAUTION: Rotating shafts and above ground electrical potentials can be hazardous. There-

fore, 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.

- ii -

NOTE : POLLUTION DEGREE 2

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The inverter must be used in environment of the degree 2.
Typical constructions that reduce the possibility of conductive pollution are;

1) The use of an un-ventilated enclosure

2) The use of a filtered ventilated enclosure when the ventilation is fan forced that is,
ventilation is accomplished by one or more blowers within the enclosure that provide a
positive intake and exhaust.

NOTE : ENCLOSURE SIZE FOR 75 kW TO 110 kW

The inverter, 75kW to 110kW must be installed into an enclosure with dimmensions no
less than 183cm (72 in) by 183cm (72 in) by 60cm (24 in).

NOTE : ENCLOSURE SIZE FOR 132 kW AND BIGGER

The inverters, 132kW and bigger, are complied as recognizedcomponents.
Therse devices are intended for use in an overall ecclosure with an internal ambient of
40 degree C for variable torque rating or 50 degree C for constant torque rating maximum.
End product temperature testing should be conducted to verify sufficient forced air ventilation
is provided to maintain this ambient in room ambient of 10-40 degree C.
Based upon component level testing , end product temperature testing may be conducted at
any convenient room ambient in the rangeof 20-40 dwgree C, unless the room ambient in the
intended application exceeds 40degree C, in which case testing should be conducted at the
elevated ambient.
Enclosure internal ambient temperature should be measured above the drive on to the upper
left or right side. Temperature measurments on the drive itself should not be necessary.

NOTE : SET OF MOTOR CAPACITY AND POLES (A1, A2)

When data does not match a capacity of connected motor , it may cause unstaible motor
operation. Set proper motor capacity (kW) and motor poles even under V/F control mode.

- iii -

Revision History Table

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No. Revision Contents

The Date Operation

of Issue Manual No.

1 Page iii : Pollution degree Aug. 1997 NB506XA

Page 2-1 : Description of inverter model
Page4-2 : Change of note
Page 5-8, 5-9 : Addition of 750 to 1100H
Page 5-10 : Terminal description
Page 11-1,11-2,11-3 : addition of 750 to 1100H

2 Page iii : Enclosure size Feb. 1998 NB506XB

Page 4-1 : Enclosure size, page 7-5; note 3,
Page 7-11: F8 boost value in VP1 to 3
Page 7-15: A0 note for boost value
Page 12-13: additio of note 1
Page A25-A31: addition of line for set value

Page A-33: deletion of A-93 on clause
3 Page iii: note for 132 kW to 220 kW is added Feb. 1999 NB506XC
Page 2-1: added 132 to 220kW
Page 4-1; note for 132 kW to 220 kW is added
page 4-2: note,note1 corrected 110kW->260kW
page 5-8: added 1320 to 2200H in table
Page 5-10: terminal layout corrected
Page7-5: corrected monitor d3 39 to 99
Page7-18: A10, addition of 1320 to 2200H
Page 11-1,2,3: added 1320 to 2200H

- iv -

TABLE OF CONTENTS

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Page

1. SAFETY PRECAUTIONS .......................................................................................... 1-1

2. INSPECTION UPON UNPACKING ........................................................................ 2-1

3. APPEARANCE AND NAMES OF PARTS ............................................................. 3-1

4. INSTALLATION .......................................................................................................... 4- 1

5. WIRING ......................................................................................................................... 5-1

6. OPERATION ................................................................................................................. 6-1

7. OPERATION OF THE DIGITAL OPERATOR ...................................................... 7- 1

8. PROTECTION FUNCTIONS ..................................................................................... 8 -1

9. TROUBLESHOOTING ............................................................................................... 9-1

10. MAINTENANCE AND INSPECTION ..................................................................... 10-1

11. STANDARD SPECIFICATIONS .............................................................................. 11-1

12. FUNCTIONS WHEN USING THE OPTIONAL REMOTE OPERATOR .......... 12-1

13. SERVICE ....................................................................................................................... 13-1

APPENDIX 1 ....................................................................................................................... A- 1

APPENDIX 2 ....................................................................................................................... A-15

APPENDIX 3 ....................................................................................................................... A-19

APPENDIX 4 ....................................................................................................................... A-20

APPENDIX 5 ....................................................................................................................... A-21

APPENDIX 6 ....................................................................................................................... A-24

APPENDIX 7 ....................................................................................................................... A-25

APPENDIX 8 ....................................................................................................................... A-32

- v -

1. SAFETY PRECAUTIONS

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1. Installation

CAUTION

* Be sure to install the unit on flame resistant material such as metal.

Otherwise, there is a danger of fire.

* Be sure not to place anything inflammable in the vicinity.

Otherwise, there is a danger of fire.

* Be sure not to let the foreign matter enter such as cut wire refuse, spatter

from welding, iron refuse, wire, dust, etc.

Otherwise, there is a danger of fire.

* Be sure to install it in a place which can bear the weight according to

the specifications in the text (4. Installation).

Otherwise, it may fall and there is a danger of injury.

* Be sure to install the unit on a perpendicular wall which is not subject

to vibration.

Otherwise, it may fall and there is a danger of injury.

* Be sure not to install and operate an inverter which is damaged or parts

of which are missing.

Otherwise, there is a danger of injury.

* Be sure to install it in a room which is not exposed to direct sunlight

and is well ventilated. Avoid environments which tend to be high in

temperature, high in humidity or to have dew condensation, as well as

places with dust, corrosive gas, explosive gas, inflammable gas,

grinding-fluid mist, salt damage, etc.

Otherwise, there is a danger of fire.

* Be sure that the wall surface is a nonflammable material, such as steel

plate.

............ p. 4-1

........... p. 4-1

........... p. 4-1

........... p. 4-1

........... p. 4-1

........... p. 4-1

........... p. 4-1

........... p. 4-2

2. Wiring

WARNING

* Be sure to ground the unit.

Otherwise, there is a danger of electric shock and/or fire.

* Wiring work shall be carried out by electrical experts.

Otherwise, there is a danger of electric shock and/or fire.

* Implement wiring after checking that the power supply is off.

It might incur electric shock and/or fire.

* After installing the main body, carry out wiring.

Otherwise, there is a danger of electric shock and/or injury.

* Wait until DC bus voltage is discharged after power supply is turned

off.

Otherwise, there is a danger of electric shock.

1-1

............ p. 5-1

............ p. 5-1

............ p. 5-1

............ p. 5-1

............ p. 5-10

CAUTION

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* Make sure that the input voltage is:

Three phase 200 to 220 V/50 Hz, 200 to 230 V/60 Hz

Three phase 380 to 415 V/50 Hz, 400 to 460 V/60 Hz

* Be sure not to input a single phase to a 3 phase type.

Otherwise, there is a danger of fire.

* Be sure not to connect AC power supply to the output terminals

[U (T1), V (T2), W (T3)].

Otherwise, there is a danger of injury and/or fire.

INPUT OUTPUT

Note)

(L1)

R S

Power supply

(L3) (T1) (T2) (T3)

(L2)

UVWT

............ p. 5-2

............ p. 5-2

............ p. 5-2

* Fasten the screws with the specified fastening torque. Check so that

there is no loosening of screws.

Otherwise, there is a danger of fire.

* Be sure to install an earth leakage breaker.

The ground fault protection is designed to detect current flowing to the

ground upon power on. This function is to protect the inverter, not

people. Install the earth leakage breaker to protect against the ground

fault on wires between the inverter and the motor. (Use a breaker that is

very sensitive to high frequency current so as not to cause malfunction.)

* Be sure to set the fuse(s) (the same phase as the main power supply)

in the operation circuit.

Otherwise, there is a danger of fire.

* As for motor leads, earth leakage breakers and electromagnetic

contactors, be sure to use the equivalent ones with the specified

capacity (rated).

Otherwise, there is a danger of fire.

* Connection to wiring terminal must be reliabily fixed with two means

of support.

............ p. 5-2

............ p. 5-2

............ p. 5-2

............ p. 5-2

............ p. 5-2

1-2

CAUTION

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External or remote over load protection required, if multiple motors to

be connected.

For models J300-450LFU and -550LFU only , connect to branch

circuit protected at maximum 300% of output current rating.

Suitable for use on a circuit capable of delivering not more than 10,000

rms symmetrical amperes,*** volts maximum,

(where *** = input voltage)

Alarm connection may contain harzordous live voltage even when

inverter is disconnected. In case of removing front cover for

maintenance or inspection, confirm that incoming power for alarm

connection is surely disconnected.

CAUTION

............ p. 5-4

............ p. 5-11

Input phase failure protection

(1) J300-U version inverter are provided with the phase failure protection on the power
supply.

(2) When a buzzer, lamp, noise filter or transformer is connected between the input power

terminals (L1, L2, L3) and input power fuses, input phase failure cannot be protected.

(L1) (L2) T(L3)

R S

L

Noise filter

Fuse

L

Power supply

(Bad example)

(Good example)

1-3

3. Control and operation

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WARNING

* Be sure to turn on the input power supply after mounting the surface

cover. While being energized, be sure not to remove the cover.

Otherwise, there is a danger of electric shock.

* Be sure not to operate the switches with wet hands.

Otherwise, there is a danger of electric shock.

* While the inverter is energized, be sure not to touch the inverter

terminals even during stoppage.

Otherwise, there is a danger of electric shock.

* If the re-try mode is selected, it may suddenly restart during the trip

stop. Be sure not to approach the machine. (Be sure to design the

machine so that personnel safety will be secured even if it restarts.)

Otherwise, there is a danger of injury.

* Even if the power supply is cut for a short period of time, it may restart

operation after the power supply is recovered if the operation command

is given. If it may incur danger to personnel, be sure to make a circuit

so that it will not restart after power recovery.

Otherwise, there is a danger of injury.

* The Stop Key is effective only when the function is set. Be sure to

prepare the Key separately from the emergency stop.

Otherwise, there is a danger of injury.

............ p. 6-1

............ p. 6-1

............ p. 6-1

............ p. 6-1

............ p. 6-1

............ p. 6-1

* After the operation command is given, if the alarm reset is conducted, it

will restart suddenly. Be sure to set the alarm reset after checking the

operation command is off.

Otherwise, there is a danger of injury.

* Be sure not to touch the inside of the energized inverter or to put a bar

into it.

Otherwise, there is a danger of electric shock and/or fire.

* The STOP/RESET key works only when a function is set. Prepare an

emergency switch separately. The use of the STOP/RESET key as an

emergency switch may cause an injury.

............ p. 6-1

............ p. 6-1

............ p. 7-1

1-4

CAUTION

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* Radiating fin and discharging resistor will have high temperature.

Be sure not to touch them.

Otherwise, there is a danger of getting burned.

* Low to high speed operation of the inverter can be easily set. Be sure

to operate it after checking the tolerance of the motor and machine.

Otherwise, there is a danger of injury.

* If a motor is operated at a frequency higher than 60Hz, be sure to check

the speeds of the motor and the machine with each manufacturer, and

after getting their consent, operate them.

Otherwise, there is a danger of machine breakage.

* Check the following before and during the test run.

Otherwise, there is a danger of machine breakage.

• Was the short-cut bar between +1 and + connected?

• Was the direction of the motor correct?

• Was the inverter tripped during acceleration or deceleration?

• Were the rpm and frequency meter correct?

• Were there any abnormal motor vibrations or noise?

• When overcurrent tripping or overvoltage tripping occurs during the
test run, increase the acceleration time or deceleration time.

............ p. 6-2

............ p. 6-2

............ p. 6-2

............ p. 6-3

4. Maintenance, inspection and part replacement

WARNING

* Be sure to turn off the power supply during maintenance and

inspection.

* After the power supply has been turned off, you must always wait 10

minutes so that DC bus capacitors can discharge then start maintenance
and inspection after the CHARGE lamp on the printed-circuit board has
gone out. (Immediately after the lamp has gone out, there will be a
residual voltage of about 50 V DC in the DC bus intermediate circuit.)
Perform the work after the CHARGE lamp has stopped flickering.

* Make sure that only qualified persons will perform maintenance,

inspection and part replacement. (Before starting the work, remove
metallic objects from your person (wristwatch, bracelet, etc.)
(Be sure to use tools protected with insulation.)
Otherwise, there is a danger of electric shock and/or injury.

........... p. 10-1

........... p. 10-1

........... p. 10-1

1-5

CAUTION

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* When removing connectors, never pull the wires. (Wires for cooling

fan and thermal relay)
Otherwise, there is a danger of fire due to wire breakage and/or injury.

5. Appendix

WARNING

* When the inverter stops due to a trip with retry mode selected, the

motor restarts suddenly. Stand clear of the machine. Otherwise, you
may be injured. (Design the machine in such a way that persons are
protected against a restart of the machine.)

* If the retry mode is selected, do not approach the inverter unnecessarily.

It will be restarted suddenly after it trips/stops. (Design the inverter so
that the safety can be assured even in such a restart.) Otherwise, bodily
injury will result.

........... p. 10-1

........... p. A-15

........... p. A-16

1-6

6. Others

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WARNING

* Never modify the unit.

Otherwise, there is a danger of electric shock and/or injury.

CAUTION

* Withstand voltage tests and insulation resistance tests (megger tests) are executed

before the units are shipped, so that there is no need to conduct these tests before
operation.

When conducting megger tests as a part of daily inspection, be sure that these tests are
only executed between the main circuit and the ground. Do not execute megger tests
on the control circuit.

(L1) (L2) (L3) (RB) (+) (–) (T1) (T2)

R STRBPNUV

Megohm-meter

* Do not attach or remove wiring or connectors (including Digital operator and

(T3)

W

FW •••PLCP24FM

Megohm-meter

Remote operator) when power is applied. Also, do not check signals during
operation. Otherwise, a trip may occur or a failure may be caused. To stop the
operation, be sure to use an operation instruction (FW,REV.) Do not turn
power off within three minutes after it is turned on, or vice versa.

* Do not stop operation by switching off the electromagnetic(Mgo) contactors on

the primary or secondary sides of the inverter.To stop the operation, be sure to
use an operation instruction (FW,REV.) Do not turn power off within three
minutes after it is turned on, or vice versa. (Bad example)

Earth

Power

leakage
breaker

➤

➤

Mgo

(L1) (L2)

(L3) (T1) (T2) (T3)

R, S, T

U, V, W

➤

➤

ON,OFF

supply

INV

ON,OFF

FW

PV24

➤

Turn ON and OFF
(Good example)

When there has been an instantaneous power failure, and if an operation instruction
has been given, then the unit may restart operation after the power failure has ended. If
there is a possibility that such an occurrence may harm humans, then install an
electromagnetic contactor (Mgo) on the power supply side, so that the circuit does not
allow automatic restarting after the power supply recovers. If the optional remote
operator is used and the retry function has been selected, this will also cause automatic
restarting when an operation instruction has been input, so please be careful.

Motor

1-7

CAUTION

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* Do not insert leading power factor capacitors or surge absorbers between the

output terminals of the inverter and the motor.

Earth
leakage
breaker

Power
supply

* Be sure to ground the grounding terminal, .
* When inspecting the unit, after turning the power supply off be sure to wait unitl

(L1)R,(L2)S,(L3)

T,

INV

(T1)U,(T2)V,(T3)

W,

Leading power factor capacitor

Surge absorber

Motor

the CHARGE lamp beside the control terminal is off before opening the cover.

(If the lamp is lit or still flickering, then the internal capacitor’s residual voltage is still
dangerous.)

* MOTOR TERMINAL SURGE VOLTAGE SUPPRESSION FILTER

(FOR THE 400 V CLASS)

In a system using an inverter of the voltage control PWM system, a surge voltage
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 terminal.

A dedicated filter of the 400 V class for suppressing this surge voltage is available,
Please order one.

* PROTECTION AGAINST NOISE INTERFERENCE FROM INVERTER

The inverter uses many semiconductor switching elements such as transistors and
IGBTs. Thus, a radio set 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 installed well apart from the inverter. It is also effective to shield the whole
inverter structure.

Addition of an EMI filter on the input side of the inverter also reduces the effect of
noise from commercial power line on external devices.

Note that external dispersion of noise from the power line can be minimized by
connecting an EMI filter on the primary side of inverter.

1-8

CAUTION

p

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EMI filter Inverter

(T1)

U

R1

R2

S1

Power
source

* EFFECTS OF DISTRIBUTOR LINES ON INVERTERS

T1

S2

T2

L1(L1)
L2(L2)
L3(L3)

(T2)

V

(T3)

W

Motor

U
V

W

Terminal
for
grounding

Power
source

EMI
filter

Noise

➤

Inverter

➤

Remote

operator

Noise

Completely ground the shield made
of metal screen, enclosed panel, etc.
with as short a wire as

Piping
(to be grounded)
or shielded wire

In the cases below involving a general-purpose inverter, a large peak current flows on
the power supply side, sometimes destroying the converter module. Where such
situations are foreseen, or the paired equipment must be highly reliable, install an AC
reactor between the power supply and the inverter.

(A) The unbalance factor of the power supply is 3% or higher.
(B) The power supply capacity is at least 10 times greater than the inverter capacity

(and the power supply capacity, 500 kVA or more).

(C) Abrupt power supply changes are expected.

Motor

➤

Ground the
frame.

ossible.

Examples:
(1) Several inverters are interconnected with a short bus.
(2) A thyristor converter and an inverter are interconnected with a short bus.
(3) An installed phase advance capacitor opens and closes.

In cases (A), (B) or (C), we recommend installing an AC reactor of 3% (in a voltage
drop at rated current) with respect to the supply voltage on the power supply side.

* When occurring an EEPROM error ( ), be sure to confirm the setting

value again.

* When setting b contact to the reverse command ([REV] terminal), the inverter

state automatically. Do not set to b contact.

GENERAL CAUTION

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

1-9

2. INSPECTION UPON UNPACKING

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Before installation and wiring, be sure to check the following:

• Make sure that there was no damage during transportation the unit.

• After unpacking the unit, make sure that the package contains one inverter and one opera­tion manual

• Make sure that the product is the one you ordered by checking the specifications label on
the front of the cover.

Model abbreviation
(The example is for the J300-055HFE2)

Input power supply,
phase, and frequency

Production year

HITACHI

380-415V 3 Ph 50 Hz max:380-460V 3 Ph
400-460V 3 Ph 60 Hz Amps (CT) 13 A/(VT) 16 A

DATE

1995 J300U-055H251LMFG. NO.

Hitachi, Ltd.

INPUT

INVERTER

J300

(CT) 5.5kW(VT) 7.5kW

Made in Japan

055HFU

OUTPUT

NE15390

Contents of Specifications Label

If you discover any problems, contact your sales agent immediately.

Description of Inverter Model

J300 055 H F U

Version number
U : USA version

Structure type
F: with digital operator

Series name

(Semi-closed, open type)
Input voltage

L : Three phase 200V class
H : Three phase 400V class

Output voltage
Rated output current
Maximum applicable motor (4P kW)
Production number
and factory control symbol

Applicable motor capacity (4P.kW)
055: 5.5 kW
075: 7.5 kW
110: 11 kW
150: 15 kW
220: 22 kW
300: 30 kW
370: 37 kW
450: 45 kW

550: 55 kW
750: 75 kW
900: 90kW
1100: 110 kW
1320: 132 kW
1600: 160kW
2200: 220 kW

2-1

3. APPEARANCE AND NAMES OF PARTS

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3.1 Names of Parts

Blind cover

Front cover

A set screw

Charge lamp
(LED)

Control circuit
terminals

Cover

Case

Digital
operator

Main circuit
terminals

Wiring
holes

3-1

4. INSTALLATION

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CAUTION

* Be sure to install the unit on flame resistant material such as metal.

Otherwise, there is a danger of fire.

* Be sure not to place anything inflammable in the vicinity.

Otherwise, there is a danger of fire.

* Be sure not to let the foreign matter enter such as cut wire refuse, spatter from welding,

iron refuse, wire, dust, etc.
Otherwise, there is a danger of fire.

* Be sure to install it in a place which can bear the weight according to the specifications

in the text (4. Installation).
Otherwise, it may fall and there is a danger of injury.

* Be sure to install the unit on a perpendicular wall which is not subject to vibration.

Otherwise, it may fall and there is a danger of injury.

* Be sure not to install and operate an inverter which is damaged or parts of which are

missing.
Otherwise, there is a danger of injury.

* Be sure to install it in a room which is not exposed to direct sunlight and is well

ventilated. Avoid environments which tend to be high in temperature, high in
humidity or to have dew condensation, as well as places with dust, corrosive gas,
explosive gas, inflammable gas, grinding-fluid mist, salt damage, etc.
Otherwise, there is a danger of fire.

NOTE : ENCLOSURE SIZE FOR 75 kW to 110kW

The inverters, 75kW to 110kW must be installed into an enclosure with dimmensions no
less than 183cm (72 in) by 183cm (72 in) by 60cm (24 in).

NOTE : ENCLOSURE SIZE FOR 132 kW AND BIGGER

The inverters, 132kW and bigger, are complied as recognizedcomponents.
Therse devices are intended for use in an overall ecclosure with an internal ambient of
40 degree C for variable torque rating or 50 degree C for constant torque rating maximum.
End product temperature testing should be conducted to verify sufficient forced air ventilation
is provided to maintain this ambient in room ambient of 10-40 degree C.
Based upon component level testing , end product temperature testing may be conducted at
any convenient room ambient in the rangeof 20-40 dwgree C, unless the room ambient in the
intended application exceeds 40degree C, in which case testing should be conducted at the
elevated ambient.
Enclosure internal ambient temperature should be measured above the drive on to the upper
left or right side. Temperature measurments on the drive itself should not be necessary.

4-1

For cooling purposes, be sure that the inverter is installed vertically. In addition, be sure that it

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is separated from other components and walls. If foreign matter is introduced into the interior
of the inverter, this may cause malfunctions, so make sure that no foreign matter can enter it.

➤

10 cm or more

➤

(30cm or more)

5 cm

➤

or
more

➤

➤

10 cm or more

➤

(30cm or more)

5 cm

➤

or
more

➤

(a) (b)

NOTE:

Install the inverter vertically.
Do not install it on the floor or horizontally.
( ) is for 75 to 260kW

Be sure to check the ambient temperature.

Flow of air

➤

➤

Wall

CAUTION

Be sure that the wall surface is a nonflammable
material, such as steel plate.

Place of installation Load characteristics Ambient temperature Applicable model

Within the enclosure

(NOTE 1)

Constant torque -10 to 50°C

Variable torque -10 to 40°C

All models

(NOTE 2)

NOTE 1: The inverter should be installed in a locked enclosure that meets the requirements in

IP4X.
The higher the ambient temperature inside the inverter, the shorter its life will be. If

a heat generating unit is used near the inverter, try to keep it as far away as possible.
Also, when installing the inverter in a box, be sure to carefully consider ventilation
and the dimensions.

NOTE 2: Each of inverters 22 kW to 260 kW must be installed in a locked enclosure.

4-2

Precaution for installation and wiring

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When executing the wiring work or another work, attach a cover on the vent hole (slit) on the top of the
inverter to prevent wire chips, weld spatters, iron scraps, or dust from falling into the inverter.

➤

15 cm or more

Vent hole

➤

Cover (a nonflammable
plate such as an iron plate)

➤

➤

4-3

5. WIRING

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WARNING

* Be sure to ground the unit.

Otherwise, there is a danger of electric shock and/or fire.

* Wiring work shall be carried out by electrical experts.

Otherwise, there is a danger of electric shock and/or fire.

* Implement wiring after checking that the power supply is off.

It might incur electric shock and/or fire.

* After installing the main body, carry out wiring.

Otherwise, there is a danger of electric shock and/or injury.

5-1

CAUTION

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* Make sure that the input voltage is:
Three phase 200 to 220 V/50 Hz, 200 to 230 V/60 Hz

Three phase 380 to 415 V/50 Hz, 400 to 460 V/60 Hz

* Be sure not to input a single phase to a 3 phase type.

Otherwise, there is a danger of fire.

* Be sure not to connect AC power supply to the output terminals

[U (T1), V (T2), W (T3)].
Otherwise, there is a danger of injury and/or fire.

INPUT OUTPUT

Note)

(L1)

R S

(L3) (T1) (T2) (T3)

(L2)

UVWT

Power supply

* Fasten the screws with the specified fastening torque. Check so that there is no

loosening of screws.
Otherwise, there is a danger of fire.

Be sure to install an earth leakage breaker.

* The ground fault protection is designed to detect current flowing to the ground upon

power on. This function is to protect the inverter,not people. Install the earth leakage
breaker to protect against the ground fault on wires between the inverter and the motor.
(Use a breaker that is very sensitive to high frequency current so as not to cause
malfunction.)

* Be sure to set the fuse(s) (the same phase as the main power supply)

in the operation circuit.
Otherwise, there is a danger of fire.

As for motor leads, earth leakage breakers and electromagnetic contactors, be sure to
use the equivalent ones with the specified capacity (rated).
Otherwise, there is a danger of fire.

5-2

The terminal board will be exposed when the front cover or terminal cover (450L/HF,

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550L/HF) is removed. Wire the inverter in this state.

5.1 Wiring the Power Supply and Motor

G

(PE)

R

(L1)S(L2)T(L3)

Power supply

RB

(RB)

Dynamic

braking
resistor

ELB

P

(+)N(-)U(T1)V(T2)W(T3)G(PE)

MOTOR

Braking Units

• The inverter will be damaged if the power supply is connected to the motor terminals
U(T1), V(T2) and W(T3), so be sure not to make any mistakes.

• If multiple motors are to be connected, be sure to attach a thermal relay to each motor.

NOTE 1: When changing the power supply of the motor between the inverter and commer-

cial power, be sure to install mechanically interlocked switches Mg1 and Mg2.

Mg1

ELB

Power
supply

Mg0

R (L1)
S (L2)
T (L3)

Inverter

(T1) U
(T2) V

(T3) W

Motor

Mg2

NOTE 2: Install an earth leakage breaker at the input of the inverter. (Select an earth leak-

age breaker whose sensitive current level is raised in high frequency range.)
When the cable length between the inverter and motor is long (more than 10 m),
the thermal relay may malfunction due to higher harmonics. Therefore, install an
AC reactor on the output side of the inverter or use a current sensor in place of the
thermal relay.

5-3

NOTE 3: Be sure that the specified grounding is carried out. Be sure to separate the unit’s

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grounding pole from those of other heavy electric machinery, and avoid using
common grounding poles.

If multiple inverters are used, make sure that the grounding connections do not
create a loop.

Improper grounding Proper grounding

Inverter

Inverter

Inverter

Inverter

Inverter

Inverter

Grounding bolt
(at the site)

CAUTION

External or remote over load protection required, if multiple motors to be connected.

For models J300-450LFU and -550LFU only , connect to branch circuit protected at
maximum 300% of output current rating.

Suitable for use on a circuit capable of delivering not more than 10,000 rms
symmetrical amperes,*** volts maximum,
(where *** = input voltage)

5-4

5.2 Wiring of Control Circuit Terminals

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SINK TYPE wiring
(Factory settings)

FM CM1PLCP24FW87654321HOOILCM21211AL2 AL1 AL0

RY

RY

Input intelligent terminal

Frequency meter

Frequency setting

(500 Ω to 2 kΩ)

Current input

DC 4 to 20 mA

For output
Intelligent terminal
27 VDC 50 mA
50 mA max

Fault alarm

SOURCE TYPE wiring

FM CM1PLCP24FW87654321HOOILCM21211AL2 AL1 AL0

RY

RY

Input intelligent terminal

Frequency meter

Frequency setting

(500 Ω to 2 kΩ)

Current input

DC 4 to 20 mA

For output
Intelligent terminal
27 VDC 50 mA
50 mA max

NOTE 1: When an output intelligent terminal is used, be sure to install a surge absorbing

diode in parallel with the relay (RY). Otherwise, the surge voltage created when
the relay (RY) goes ON or OFF may damage the output intelligent terminal cir­cuit.

Fault alarm

NOTE 2: Use a twisted and shielded wire for the signal line, and cut the shielded covering

as shown in the diagram below. Make sure that the length of the signal line is 20
meters or less.

5-5

Insulate

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➤

➤

➤

➤

No grounding necessary

Connect FG (frame ground) of the inverter.

NOTE 3: When the frequency setting signal is turned on and off with a contact, use a relay

which will not cause contact malfunctions, even with the extremely weak currents
and voltages, such as crossbar twin contacts, etc.

NOTE 4: Use relays which do not have contact defects at 24 V DC, 3 mA for the other

terminals.

NOTE 5: Separate the main circuit wiring from the relay control circuit wiring. If they must

cross, be sure that they cross at a right angle.

Main circuit power line

➤

(R, S, T, U, V, W, PP, P, RB, N, L1, L2, L3, T1, T2, T3, +, -, etc.)

Right angle

➤

➤

Signal input line

➤

➤

Separate by 10 cm or more.

(FM, CM1, PLC, P24, FW, 8, 7, 6, 5, 4, 3, 2, 1,
H, O, OI, L, CM2, 12, 11, AL0, AL1, AL2)

NOTE 6: Do not short between the terminals H and L and between the terminals P24 and

CM1 of the control circuit.

NOTE 7: Insulate the common terminal L for frequency analog command input and the

common terminal (COMMON) of the peripheral equipment such as the sequencer
before starting use.

5-6

5.3 Connection to the Programmable Controller

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(1) When the internal interface power source is used

① This is an example when the sink type transistor

output (open collector output) module of the
sequencer is connected

Note:

Make sure of the short-circuit bar or wire
between the terminals PLC and P24.

J300 series J300 series

S

1

P24
CM1

PLC

FW

+

24V DC

-

② This is an example when the source type

transistor output (open collector output)
module of the sequencer is connected

Note:

Make sure of the short-circuit bar or wire
between the terminals CM1 and PLC.

COM

1

P24
CM1

PLC

FW

+

24V DC

-

2

8

9

COM

YTR48 type output module

8

2

1

Inverter Inverter

(by Hitachi)

(2) When the external interface power source is used

① This is an example when the sink type transistor

output (open collector output) module of the
sequencer is connected

Note: Remove the short-circuit bar or wire between

the terminals CM1 and PLC or P24 and PLC.

+

24V DC

S

1

­P24

CM1
PLC

FW

J300 series J300 series

+

24V DC

-

2

8

9
S

8

2

1

YTS48 type output module
(by Hitachi)

② This is an example when the source type

transistor output (open collector output)
module of the sequencer is connected

Note:

Remove the short-circuit bar or wire between
the terminals CM1 and PLC or P24 and PLC.

COM

+

24V DC

1

-

P24
CM1

PLC

FW

+

24V DC

-

2

8

9

COM

YTR48 type output module
(by Hitachi)

8

2

1

Inverter Inverter

YTS48 type output module

2

8

9
S

(by Hitachi)

Note: Be sure to turn the inverter on after the controller and external power source are turned on.

(Otherwise, the data in the inverter may be changed.)

5-7

8

2

1

5.4 Wiring Equipment, Options (EMI filter, etc.)

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➤

(200V class)

Inverter
model

J300-055LF

J300-075LF

J300-110LF

J300-150LF

J300-220LF

J300-300LF

J300-370LF

J300-450LF

J300-550LF

Constant torqe Variable torqe

Power

Motor

lines

output

R,S,T,U,V

(kW)

W,P,N

AWG 8

5.5

or more
AWG 6

7.5

or more
AWG 4

11

or more

AWG 3

15

22

30

37

45

55

or more

AWG 1/0
or more

AWG 3/0
or more

AWG 4/0
or more

300
or more

350
or more

Standard equipment

Power supply

➤

➤

ELB

Magnetic
contactor

Wiring (AWG or Kcmil)

Power

AWG 8

AWG 4

AWG 3

lines
External
resistor

RB1,2,3,
P,RB

10
or more

10
or more

Motor
output
(kW)

7.5

11

15

22

30

37

45

55

75

Power
lines

R,S,T,U,V
W,P,N

or more
AWG 6

or more

or more

or more

AWG 1/0
or more

AWG 3/0
or more

AWG 4/0
or more

300
or more

350
or more

Applicable equipment

Signal
lines

FM,CM1,PCL P24,AL0,AL1
FW,8,7,6,5,4,3 AL2
2,1,H,O,OL,L,
CM2,12,11

AWG 18

AWG 16

Shielded

or more

wire

When the
number of
shielded
wires to be
used is 11
or more,
the section
of each
shielded
wire
should be
AWG 20

Signal
lines

Earth leakage
breaker (ELB)

EX50C(30A)

EX50C(30A)

EX50C(50A)

EX60B(60A)

RX100(75A)

RX100(100A)

RX100(100A)

RX225(150A)

RX225(175A)

Electro­magnetic
contactor

H20

H20

H25

H35

H50

H65

H80

H100

H125

(400V class)

Inverter
model

J300-055HF

J300-075HF

J300-110HF

J300-150HF

J300-220HF

J300-300HF

J300-370HF

J300-450HF

J300-550HF

J300-750HF

J300-900HF

J300-1100HF

J300-1320HF

J300-1600HF

J300-2200HF

Wiring

Constant torqe Variable torqe

Motor
output
(kW)

5.5

7.5

11

15

22

30

37

45

55

75

90

110

132

160

220

Power
lines

R,S,T,U,V
W,P,N

AWG 8
or more

AWG 8

or more

AWG 8
or more

AWG 6
or more

AWG 4
or more

AWG 4
or more

AWG 2
or more

AWG 1
or more

AWG 3/0
or more

300
or more

300
or more

350
or more

AWG 4 / 0

parallel

300

parallel

350

parallel

Motor
output
(kW)

7.5

11

15

22

30

37

45

55

75

90

110

132

160

220

260

Power
lines

R,S,T,U,V
W,P,N

AWG 8
or more

AWG 8
or more

AWG 8
or more

AWG 6
or more

AWG 4
or more

AWG 4
or more

AWG 2
or more

AWG 1
or more

AWG 3/0
or more

300
or more

300
or more

350
or more

AWG 4 / 0

parallel

300

parallel

parallel

350

Power
lines
External
resistor

RB1,2,3,
P,RB

10
or more

10
or more

Applicable equipment

Signal
lines

FM,CM1,PCL P24,AL0,AL1
FW,8,7,6,5,4,3 AL2
2,1,H,O,OL,L,
CM2,12,11

AWG 18

Shielded

or more

wire

When the
number of
shielded
wires to be
used is 11
or more,
the section
of each
shielded
wire
should be
AWG 20.

Signal
lines

AWG 16

Earth leakage
breaker (ELB)

EX50C(30A)

EX50C(30A)

EX50C(50A)

EX60B(60A)

RX100(75A)

RX100(100A)

RX100(100A)

RX225(150A)

RX225(175A)

RX225(225A)

RX225(250A)

RX400(350A)

RX400(400A)

RX600(600A)

RX600(600A)

Electro­magnetic
contactor

H20

H20

H25

H35

H50

H65

H80

H100

H125

H150

H220

H250

H400

H600

H600

5-8

R

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S

(L1)

(L2)T(L3)

Inverter

(T1)U(T2)V(T3)

IM

(+)

RB

W

Thermal
relay

Motor

➤

AC reactor for

➤

➤

P

➤

➤

➤

improving
the power factor
(ALI- L)
(ALI- H)

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

EMI filter for
inverter
(FFJ300- )

Regenerative
resistor
(RB - )

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

AC reactor for
reducing vibration
(ACL-L- )
(ACL-H- )

This part is used when the unbalance voltage ratio is 3%
or more and power supply is 500 kVA or more, and there
is a rapid change in the power supply.
It also improves the power factor.

Using the inverter may cause noise on the peripheral
equipment through the power lines.
This part reduces noise.

This part reduces common noise generated between
the power supply and the ground, as well as normal noise.
Put it in the primary side of inverter.

This part is used for applications that needs to increase
the brake torque of the inverter or to frequently turn on
and off and to run high inertia load.

This part reduces noise generated at the output of
the inverter.
(It is possible to use for both input and output.)

Running motors with the inverter generates vibration
greater than that with commercial power supply.
This part installed between the inverter and motor reduces
torque ripple.
When the cable length between the inverter and motor is
long, a countermeasure for a malfunction of the termal
relay is taken.

FunctionPart description

NOTE 1:

The applicable equipment is for Hitachi standard four pole squirrel-cage motor

NOTE 2: Be sure to consider the capacity of the circuit breaker to be used.
NOTE 3: Be sure to use bigger wires for power lines if the distance exceeds 20m.
NOTE 4: Be sure to use an grounding wire same size of power line or similar.

(*) Use AWG 16 wire for the alarm signal wire.

Classify the detective current of the earth leakage breaker depending on the total
distance between the inverter and the motor.

length
100 m and less
300 m and less
600 m and less

Detective current (mA)

30
100
200

NOTE 5:

NOTE 6:

When using CV wire and metal tube,
the leakage current is around 30 mA/km.
The leakage current becomes eight times
because IV wires have a high dielectric
constant. Therefore, use an one class
larger earth leakage breaker according
to the left table.

5-9

5.5 Terminal

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(1) Main circuit terminal

➤

➤

Width

G
(PE)

G
(PE)

G
(PE)

G
(PE)

Main circuit

Terminal

symbol

R, S, T

(L1),(L2),(L3)

Terminal layout

R

(L1)

R

(L1)

S

(L2)

S

(L2)

RB

T

(L3)

(RB)

P

(+)N(Ð)U(T1)V(T1)W(T1)

T

(L3)P(+)N(Ð)U(T1)V(T1)W(T1)

Internal short circuit bar

R

(L1)

S

(L2)T(L3)PD(+1)P(+)N(Ð)U(T1)V(T1)W(T1)

Internal short circuit bar

R

(L1)

S

(L2)T(L3)PD(+1)P(+)N(Ð)U(T1)V(T1)W(T1)

Terminal description

Main power

Connect the power supply

Function

G
(PE)

G
(PE)

G
(PE)

G
(PE)

Braking

Type

055, 075LF

Screw

diameter

M5

055,075HF

011, 150LF

011, 150HF

220 to 370LF

450, 550LF

220 to 370HF

450, 550HF

750, 900HF

1100HF

M6
M8 23

M10

M6
M8 23

M10

M10 40

1320 to 2200HF M16 51

R

RB

(L1)S(L2)T(L3)PD(+1)P(+)N(-)U(T1)V(T2)W(T3)G(PE)

(RB)

resistor

DCL

Braking Units

Width

(mm)

13

17.5

35

17.5

35

MOTOR

U, V, W

(T1),(T2),(T3)

P, RB

(+),(RB)

P, N

(+),(-)

G

(PE)

PD

(+1)

Inverter output

External braking
resistor

Dynamic braking unit

Ground

External choke coil

Ground at case

Connect the motor

Connect a braking resistor (option)

* Only the 055LF/HF and 075LF/HF
are equipped RB terminals .

Connect a dynamic braking unit
(option)

Ground (connect grounding to avoid
electric shock)

Connect a choke coil (DCL) for
harmonics current reduction

Ground (connect grounding to avoid
electric shock)

Power supply

Remove the internal short circuit bar when
DCL is connected.

Wait until DC bus voltage is discharged after power
supply is turned off.
Otherwise, there is a danger of electric shock.

ELB

Internal short circuit bar

PD

(+1)P(+)

DCL

WARNING

(2) Control circuit terminal
The intelligent I/O terminals 1 to 8 and 11 and 12 are initialized as shown below at factory before shipment.

FM CM1 PLC P24 FW REV CF1 USP CH1 FRS JG AT RS H O OI L CM2 RUN FA1 AL2 AL1 AL0

↑↑ ↑↑↑↑↑↑ ↑↑

FMCM1PLCP24FW87654321HOOILCM21211AL2AL1AL0

5-10