How it Works
Mitsubishi
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FR-A 740-00380-EC
Table of contents
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Mitsubishi FR-A 740-00052-EC, FR-A 740-00023-EC, FR-A 740-00083-EC, FR-A 740-00126-EC, FR-A 740-00170-EC Installation Manualline

...
MITSUBISHI ELECTRIC
INVERTER
FR-A 700
INSTALLATION GUIDELINE
FR-A 740-00023 to 12120-EC
Приложенный CD-ROM содержит инструкцию по инсталяции на дополнительных языках.
– Do not use this product until you have a full knowledge of the equipment, the safety information and the instructions. Please forward this manual and the CD ROM to the end user.
CONTENTS
INSTALLATION OF THE INVERTER AND INSTRUCTIONS ...................................1
1
OUTLINE DRAWING .................................................................................................3
2
WIRING ......................................................................................................................4
3
PRECAUTIONS FOR USE OF THE INVERTER .....................................................10
4
TROUBLESHOOTING .............................................................................................11
5
700
Print Date Manual Number Revision
12/2006 pdp-dk 192716 First edition
For Maximum Safety
앫 Mitsubishi transistorized inverters are not designed or manufactured to be used in equipment or systems in situations
that can affect or endanger human life.
앫 When considering this product for operation in special applications such as machinery or systems used in passenger
transportation, medical, aerospace, atomic power, electric power, or submarine repeating applications, please contact your nearest Mitsubishi sales representative.
앫 Although this product was manufactured under conditions of strict quality control, you are strongly advised to install
safety devices to prevent serious accidents when it is used in facilities where breakdowns of the product are likely to cause a serious accident.
앫 Please do not use this product for loads other than three-phase induction motors. 앫 Please check upon receiving of the inverter whether this instruction manual corresponds to the delivered inverter.
Compare the specifications on the capacity plate with the specifications given in this manual.
This section is specifically about safety matters
Do not attempt to install, operate, maintain or inspect the inverter until you have read through this Installation Guideline and appended documents carefully and can use the equipment correctly. Do not use the inverter until you have a full knowledge of the equipment, safety information and instructions. In this Installation Guideline, the safety instruction levels are classified into "WARNING" and "CAUTION".
WARNING
CAUTION
Note that even the level may lead to a serious consequence according to conditions. Please follow strictly the instructions of both levels because they are important to personnel safety.
Assumes that incorrect handling may cause hazardous conditions, resulting in death or severe injury.
Assumes that incorrect handling may cause hazardous conditions, resulting in medium or slight injury, or may cause physical damage only.
CAUTION
Electric Shock Prevention
WARNING
While power is on or when the inverter is running, do not open the front cover. Otherwise you may get an electric shock.
Do not run the inverter with the front cover removed. Otherwise, you may access the exposed high-voltage terminals or the charging
part of the circuitry and get an electric shock.
Even if power is off, do not remove the front cover except for wiring or periodic inspection.You may access the charged inverter circuits and get an electric shock.
Before starting wiring or inspection, check to make sure that the operation panel indicator is off, wait for at least 10 minutes after the
power supply has been switched off, and check that there are no residual voltage using a tester or the like. The capacitor is charged with high voltage for some time after power off and it is dangerous.
This inverter must be earthed (grounded). Earthing (Grounding) must conform to the requirements of national and local safety regulations and electrical codes. (JIS, NEC section 250, IEC 536 class 1 and other applicable standards)
Any person who is involved in the wiring or inspection of this equipment should be fully competent to do the work.Always install the inverter before wiring. Otherwise, you may get an electric shock or be injured.Perform setting dial and key operations with dry hands to prevent an electric shock. Otherwise you may get an electric shock.Do not subject the cables to scratches, excessive stress, heavy loads or pinching. Otherwise you may get an electric shock.Do not replace the cooling fan while power is on. It is dangerous to replace the cooling fan while power is on.Do no
t touch the printed circuit board with wet hands. You may get an electric shock
.
Fire Prevention
CAUTION
Mount the inverter to incombustible material. Mounting it to or near combustible material can cause a fireIf the inverter has become faulty, switch off the inverter power. A continuous flow of large current could cause a fire.
When using a brake resistor, make up a sequence that will turn off power when an alarm signal is output. excessively overheat due to damage of the brake transistor and such, causing a fire
Do not connect a resistor directly to the DC terminals P, N. This could cause a fire and destroy the inverter. The surface temperature of braking resistors can far exceed 100°C for brief periods. Make sure that there is adequate protection against accidental contact and a safe distance is maintained to other units and system parts
.
.
Injury Prevention
.
Otherwise,
the brake resistor may
CAUTION
Apply only the voltage specified in the instruction manual to each terminal. Otherwise, burst, damage, etc. may occur.
Ensure that the cables are connected to the correct terminals. Otherwise, burst, damage, etc. may occur.Always make sure that polarity is correct to prevent damage, etc. Otherwise, burst, damage, etc. may occur.While power is on or for some time after power-off, do not touch the inverter as it is hot and you may get burnt.
Additional Instructions
Also note the following points to prevent an accidental failure, injury, electric shock, etc.
Transportation and installation
CAUTION
When carrying products, use correct lifting gear to prevent injury.
Do not stack the inverter boxes higher than the number recommended.
Ensure that installation position and material can withstand the weight of the inverter. Install according to the information in the instruction manual.
Do not install or operate the inverter if it is damaged or has parts missing. This can result in breakdowns.
When carrying the inverter, do not hold it by the front cover or setting dial; it may fall off or fail.Do not stand or rest heavy objects on the product.Check the inverter mounting orientation is correct.Prevent other conductive bodies such as screws and metal fragments or other flammable substance such as oil from entering the
inverter.
As the inverter is a precision instrument, do not drop or subject it to impact.
  Use the inverter under the following environmental conditions. Otherwise, the inverter may be damaged.
LD (150 %), ND (200 %, initial
Ambient temperature
Ambient humidity 90% RH or less (non-condensing)
Storage temperature
Atmosphere Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Altitude
Operating condition
Vibration
햲
Temperature applicable for a short time, e.g. in transit.
햳
2.9m/s² or less for the 04320 or more.
setting) and HD (250 %)
SLD (120 %)
−10°C to +50°C (non-freezing)
−10°C to +40 °C (non-freezing)
−20°C to +65°C
Maximum 1000 m above sea level for standard operation. After that derate by 3% for every extra 500m up to 2500m (91%)
2 햳
5.9m/s
햲
or less (conforming to JIS C 60068-2-6)
Wiring
CAUTION
Do not install assemblies or components (e. g. power factor correction capacitors) on the inverter output side, which are not approved
from Mitsubishi.
The direction of rotation of the motor corresponds to the direction of rotation commands (STF/STR) only if the phase sequence (U, V,
W) is maintained
.
Test operation and adjustment
CAUTION
Before starting operation, confirm and adjust the parameters. A failure to do so may cause some machines to make unexpected
motions.
Operation
WARNING
When you have chosen the retry function, stay away from the equipment as it will restart suddenly after an alarm stop.
The key is valid only when the appropriate function setting has been made. Prepare an emergency stop switch separately.
Make sure that the start signal is off before resetting the inverter alarm. A failure to do so may restart the motor suddenly.The inverter can be started and stopped via the serial port communications link or the field bus. However, please note that depending
on the settings of the communications parameters it may not be possible to stop the system via these connections if there is an error in the communications system or the data line. In configurations like this it is thus essential to install additional safety hardware that makes it possible to stop the system in an emergency (e.g. controller inhibit via control signal, external motor contactor etc). Clear and unambiguous warnings about this must be posted on site for the operating and service staff.
The load used should be a three-phase induction motor only. Connection of any other electrical equipment to the inverter output may
damage the inverter as well as the equipment.
Performing pre-excitation (LX signal and X13 signal) under torque control (real sensorless vector control) may start the motor running at a low
speed even when the start command (STF or STR) is not input. The motor may run also at a low speed when the speed limit value = 0 with a start command input. Perform pre-excitation after making sure that there will be no problem in safety if the motor runs.
Do not modify the equipment.
Do not perform parts removal which is not instructed in this manual. Doing so may lead to fault or damage of the inverter.
CAUTION
The electronic thermal relay function does not guarantee protection of the motor from overheating.
Do not use a magnetic contactor on the inverter input for frequent starting/stopping of the inverter.Use a noise filter to reduce the effect of electromagnetic interference and follow the accepted EMC procedures for proper installation
of frequency inverters. Otherwise nearby electronic equipment may be affected.
Take appropriate measures regarding harmonics. Otherwise this can endanger compensation systems or overload generators.Use a motor designed for inverter operation. (The stress for motor windings is bigger than in line power supply).When parameter clear or all clear is performed, set again the required parameters before starting operations. Each parameter returns
to the initial value.
The inverter can be easily set for high-speed operation. Before changing its setting, fully examine the performances of the motor and
machine.
The DC braking function of the frequency inverter is not designed to continuously hold a load. Use an electro-mechanical holding
brake on the motor for this purpose.
Before running an inverter which had been stored for a long period, always perform inspection and test operation.For prevention of damage due to static electricity, touch nearby metal before touching this product to eliminate static electricity from
your body
.
Emergency stop
CAUTION
Provide a safety backup such as an emergency brake which will prevent the machine and equipment from hazardous conditions if the inverter fails.
When the breaker on the inverter primary side trips, check for the wiring fault (short circuit), damage to internal parts of the inverter,
etc. Identify the cause of the trip, then remove the cause and power on the breaker.
When the protective function is activated (i. e. the frequency inverter switches off with an error message), take the corresponding
corrective action as described in the inverter manual, then reset the inverter, and resume operation
.
Maintenance, inspection and parts replacement
CAUTION
Do not carry out a megger (insulation resistance) test on the control circuit of the inverter.
Disposing of the inverter
CAUTION
Treat as industrial waste.
General instructions
Many of the diagrams and drawings in instruction manuals show the inverter without a cover, or partially open. Never run the inverter in this status. Always replace the cover and follow instruction manuals when operating the inverter.

1 INSTALLATION

1.1 Inverter Type

Rating plate example
Symbol Voltage Class
A740
Capacity plate example
Three-phase 400V
class
Symbol Type number
00023
to
12120
Displays the
rated current
Capacity plate
Inverter type Serial number

1.2 Installation of the inverter

Installation on the panel
00023 to 00620
00770 to 12120
Rating plate
Inverter type
Input rating
Output rating
Serial number
Overload current rating Ambient temperature
SLD 110% 60s, 120% 3s 40°C
LD 120% 60s, 150% 3s 50°C
ND 150% 60s, 200% 3s 50°C
HD 200% 60s, 250% 3s 50°C
CAUTION
When encasing multiple inverters, install them in parallel and
leave clearance as a cooling measure
Install the inverter vertically.
.
*2
*2
10 cm or more for 02160 or more
5
c
m
o
r
m
o
r
e
vertic
*
1
Fix six positions for the FR-A 740­04320 to 08660 and fix eight positions for the R-A 740-09620 to 12120.
10 cm or more
10 cm or more
*1 1 cm or more for 00126 or less
*2 20 cm or more for 02160 or more
.
Note
The internal filter is suitable for the second environment, a motor cable length of up to 5m and a carrier frequency of
up to 2kHz. For other operation conditions, Mitsubishi Electric offers several optional filters. Please contact your sales representive.
1
INSTALLATION

1.3 General Precaution

The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than 10 minutes, and check for residual voltage between terminal P/+ and N/
− with a meter etc., to avoid a hazard of electrical
shock.

1.4 Environment

Before installation, check that the environment meets following specifications.
-10°C to +50°C (non-freezing) for selected overload
Ambient temperature
Ambient humidity 90% RH or less (non-condensing)
Storage temperature −20°C to +65°C
Ambience
Altitude, vibration
햲
2.9m/s² or less for the 04320 or more.
capability 150 %, 200 % (initial setting) or 250 %
-10°C to +40°C (non-freezing) for selected overload capability 120 %
Indoors (No corrosive and flammable gases, oil mist, dust and dirt)
Below 1000m, 5.9m/s
2 햲
or less
CAUTION
Install the inverter on a strong surface securely and vertically with bolts. Leave enough clearances and take cooling measures. Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity. Install the inverter on a non-combustible surface.
5 cm
Measurement position
Inverter
Measurement position
5 cm
5 cm
2

2 OUTLINE DRAWING

FR-A 740-00023 to 00620-EC
Inverter Type W W1 H H1 D
FR-A 740-00023-EC
FR-A 740-00038-EC
FR-A 740-00052-EC
FR-A 740-00083-EC
FR-A 740-00126-EC
FR-A 740-00170-EC
FR-A 740-00250-EC
FR-A 740-00310-EC
FR-A 740-00380-EC
FR-A 740-00470-EC
FR-A 740-00620-EC
FR-A 740-00770-EC 325 270 550 530 195
FR-A 740-00930-EC
FR-A 740-01800-EC
FR-A 740-02160-EC
FR-A 740-02600-EC
FR-A 740-03250-EC
FR-A 740-03610-EC
FR-A 740-04320-EC
FR-A 740-04810-EC
FR-A 740-05470-EC
FR-A 740-06830-EC
FR-A 740-07700-EC
FR-A 740-08660-EC
FR-A 740-09620-EC
FR-A 740-12120-EC
FR-A 740-00770 to 03610-EC
150 125
220 195
250 230 400 380 190
435 380 550 525 250FR-A 740-01160-EC
465 400
498 200
680 300 984FR-A 740-06100-EC
790 315 1330 1300
995 300 1580 1550FR-A 740-10940-EC
FR-A 740-04320 to 08660-EC
FR-A 740-09620 to 12120-EC
(Unit: mm)
140
260 245
170
300 285 190
620 595 300
740 715 360
985
1010
380
440
3

3 WIRING

S
ource logic
Main circuit terminal Control circuit terminal
3-phase AC
power supply
*2 To supply power to the control circuit
Control input signals (No voltage input allowed)
Terminal functions vary with the input terminal assignment.
(Pr. 178 to Pr. 189)
*3 JOG terminal can be
used as pulse train input. Use Pr. 291 to select JOG/Pulse.
*4. AU terminal can be
used as PTC input terminal.
*1. DC reactor (FR-HEL)
Remove the jumper for the 01160 or less if a DC reactor is connected. The DC reactor supplied with the 01800 or more should be connected to these terminals.
Jumper
separately, remove the jumper across R/L1–R1/L11 and S/L2–S1/L21. Connect the power to the terminals R1/L11 and S1/L21 then.
Forward
rotation
Reverse
rotation
self-holding
selection
High speed
Multi-speed selection
Second function selection
Medium speed
Low speed
Jog mode
Output stop
RESET
start
start
Star t
*2
Earth
Earth
Jumper
Jumper
Connector for with/without internal EMC filter
Main circuit
Control circuit
Brake unit
(Option)
*7 The CN8 connector is provided with the
1800 or more.
*8 Brake resistor (FR-ABR)
Remove the jumper across terminal PX–PR when connecting a brake resistor (00023 to 00620). Terminal PR is provided for the 00023 to
00620. Install a thermal relay to prevent an overheat and burnout of the brake resistor.
M
3~
Relay output
Relay output 1 (Alarm output)
Relay output 2
Running
Up to frequency
Instantaneous power failure
Overload
Terminal functions vary with the output terminal assignment.
(Pr. 195, Pr. 196)
Open-Collector output
Terminal functions vary with the output terminal assignment.
(Pr. 190 bis Pr. 194)
Motor
Terminal 4 input selection (current input selection)
Selection of automatic restart after
instantaneous power failure
Contact input common (Sink*)
24VDC power supply/ max. 100mA load current
*(Common for external power supply transistor)
Contact input common(Source*)
Frequency setting signal (Analog)
Frequency setting
potentiometer
Ω,1/2 W,
1 k
*5 The input area can be set via
parameters. The setting within the frame is pre-set at the factory. (Pr. 73, Pr. 267). Set the voltage/current input switch in the OFF position to select voltage input (0 to 5 V or 0 to 10 V) and in the ON position to select current input (0/4 to 20 mA).
*6 It is recommended to use a 1 kΩ, 2 W
potentiometer when the frequency setting signal is changed frequently.
Auxiliary
input
Ter mi na l 4
input
(Current
input)
Connector for plug-in option
*5 Voltage/current
input switch
0–5 V DC
0 to 10 V DC 4 to 20 mA DC
0– ±10 V DC
0 to ±5 V DC
4–20 mA DC
0 to 5 V DC 0 to 10 V DC
Option connector 1
Option connector 2
Option connector 3
PU connector
USB connector
Ter mi na tin g
resistor
Frequency detection
Open collector output common Sink/source common
Analog current output (0 to 20 mA DC)
Analog signal output (0 to 10 V DC)
RS485 terminals
Data transmission
Data reception
(Permissible load current 100mA)
CAUTION
To prevent a malfunction due to noise, keep the signal cables more than 10cm away from the power cables. After wiring, wire offcuts must not be left in the inverter. Wire offcuts can cause an alarm, failure or malfunction. Always keep the
inverter clean. When drilling mounting holes in a control box etc., take care not to allow chips and other foreign matter to enter the inverter.
Set the voltage/current input switch in the correct position. An incorrect setting may cause a fault, failure or malfunction.
4
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