Mitsubishi Electronics A800 User Manual

INVERTER A800

FR-A802 (SEPARATED CONVERTER TYPE) INSTRUCTION MANUAL (HARDWARE)

FR-A842-07700(315K) to 12120(500K)

INTRODUCTION

INSTALLATION AND WIRING

PRECAUTIONS FOR USE OF

THE INVERTER

PROTECTIVE FUNCTIONS

PRECAUTIONS FOR

MAINTENANCE AND

INSPECTION

SPECIFICATIONS

Thank you for choosing this Mitsubishi inverter.

Warning

Caution

This Instruction Manual describes handling and cautions about the hardware, such as installation and wiring, for the FR-A802 (separated converter type) that are different from the FR-800. Information about the software, such as basic operations and parameters, is described in the FR-A800 Instruction Manual (Detailed) in the CD-ROM enclosed with the product. In addition to this manual, please read the manuals in the enclosed CD-ROM carefully. Do not use this product until you have a full knowledge of the equipment, safety information and instructions. Please forward this Instruction Manual to the end user.

Safety Instructions

Do not attempt to install, operate, maintain or inspect the product until you have read through this Instruction Manual (Detailed) and appended documents carefully and can use the equipment correctly. Do not use this product until you have a full knowledge of the equipment, safety information and instructions. Installation, operation, maintenance and inspection must be performed by qualified personnel. Here, an expert means a person who meets all the conditions below.

• A person who took a proper engineering training. Such training may be available at your local Mitsubishi Electric office. Contact your local sales office for schedules and locations.

• A person who can access operating manuals for the protective devices (e.g. light curtain) connected to the safety control system. A person who has read and familiarized himself/herself with the manuals.

In this Instruction Manual (Detailed), the safety instruction levels are classified into "Warning" and "Caution"

Incorrect handling may cause hazardous conditions, resulting in death or severe injury.

Incorrect handling may cause hazardous conditions, resulting in medium or slight injury, or may cause only material damage.

The level may even lead to a serious

consequence according to conditions. Both instruction levels must be followed because these are important to personal safety.

 Electric Shock Prevention

Warning

 While the inverter power is ON, do not open the front cover or

the wiring cover. Do not run the inverter with the front cover or the wiring 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 accidentally touch the charged inverter circuits and get an electric shock.

 Before wiring or inspection, LED indication of the operation

panel must be switched OFF. Any person who is involved in wiring or inspection shall 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 code (NEC section 250, IEC 536 class 1 and other applicable standards). A neutral-point earthed (grounded) power supply inverter in compliance with EN standard must be used.

 Any person who is involved in wiring or inspection of this

equipment shall be fully competent to do the work.

 The inverter must be installed before wiring. Otherwise you may

get an electric shock or be injured.

 Setting dial and key operations must be performed 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 change the cooling fan while power is ON. It is dangerous

to change the cooling fan while power is ON.

 Do not touch the printed circuit board or handle the cables with

wet hands. Otherwise you may get an electric shock.

 An PM motor is a synchronous motor with high-performance

magnets embedded in the rotor. Motor terminals holds highvoltage while the motor is running even after the inverter power is turned OFF. Before wiring or inspection, the motor must be confirmed to be stopped. In an application, such as fan and blower, where the motor is driven by the load, a low-voltage manual motor starter must be connected at the inverter's output side, and wiring and inspection must be performed while the motor starter is open. Otherwise you may get an electric shock.

 Fire Prevention

Caution

 Inverter must be installed on a nonflammable wall without holes

(so that nobody touches the inverter heatsink on the rear side, etc.). Mounting it to or near flammable material may cause a fire.

 If the inverter has become faulty, the inverter power must be

switched OFF. A continuous flow of large current may cause a fire.

 Be sure to perform daily and periodic inspections as specified in

the Instruction Manual. If a product is used without any inspection, a burst, breakage, or a fire may occur.

 Injury Prevention

Caution

 The voltage applied to each terminal must be the ones specified

in the Instruction Manual. Otherwise burst, damage, etc. may occur.

 The cables must be connected to the correct terminals.

Otherwise burst, damage, etc. may occur.

 The polarity (+ and -) must be correct. Otherwise burst, damage,

etc. may occur.

 While power is ON or for some time after power-OFF, do not

touch the inverter as it will be extremely hot. Touching these devices may cause a burn.

 Additional Instructions The following instructions must be also followed. If the product is handled incorrectly, it may cause unexpected fault, an injury,

or an electric shock.

Caution

Transportation and Mounting

 Any person who is opening a package using a sharp object,

such as a knife and cutter, must wear gloves to prevent injuries caused by the edge of the sharp object.

 The product must be transported in correct method that

corresponds to the weight. Failure to do so may lead to injuries.

 Do not stand or rest heavy objects on the product.  Do not stack the boxes containing inverters higher than the

number recommended.

 When carrying the inverter, do not hold it by the front cover; it

may fall off or fail.

 During installation, caution must be taken not to drop the inverter

as doing so may cause injuries.

 The product must be installed on the surface that withstands the

weight of the inverter.

 Do not install the product on a hot surface.  The mounting orientation of the inverter must be correct.  The inverter must be installed on a strong surface securely with

screws so that it will not drop.

 Do not install or operate the inverter if it is damaged or has parts

missing.

 Foreign conductive objects must be prevented from entering the

inverter. That includes screws and metal fragments or other flammable substance such as oil.

 As the inverter is a precision instrument, do not drop or subject it

to impact.

 The surrounding air temperature for LD, ND (initial setting), and

HD models must be between -10 and +50°C (non-freezing). The surrounding air temperature for SLD must be between -10 and +40°C (non-freezing). Otherwise the inverter may be damaged.

 The ambient humidity must be 95%RH or less (non-

condensing). Otherwise the inverter may be damaged. (Refer to

page 17 for details.)

Safety Instructions

Caution

Transportation and Mounting

 The storage temperature (applicable for a short time, e.g. during

transit) must be between -20 and +65°C. Otherwise the inverter may be damaged.

 The inverter must be used indoors (without corrosive gas,

flammable gas, oil mist, dust and dirt etc.) Otherwise the inverter may be damaged.

 The inverter must be used at an altitude of 2500 m or less above

sea level, with 2.9 m/s (directions of X, Y, Z axes). Otherwise the inverter may be damaged. (Refer to page 17 for details.)

 If halogen-based materials (fluorine, chlorine, bromine, iodine,

etc.) infiltrate into a Mitsubishi product, the product will be damaged. Halogen-based materials are often included in fumigant, which is used to sterilize or disinfest wooden packages. When packaging, prevent residual fumigant components from being infiltrated into Mitsubishi products, or use an alternative sterilization or disinfection method (heat disinfection, etc.) for packaging. Sterilization of disinfection of wooden package should also be performed before packaging the product.

Wiring

 Do not install a power factor correction capacitor or surge

suppressor/capacitor type filter on the inverter output side. These devices on the inverter output side may be overheated or burn out.

 The output side terminals (terminals U, V, and W) must be

connected correctly. Otherwise the motor will rotate inversely.

 PM motor terminals (U, V, W) hold high-voltage while the PM

motor is running even after the power is turned OFF. Before wiring, the PM motor must be confirmed to be stopped. Otherwise you may get an electric shock.

 Never connect an PM motor to the commercial power supply.

Applying the commercial power supply to input terminals (U,V, W) of an PM motor will burn the PM motor. The PM motor must be connected with the output terminals (U, V, W) of the inverter.

Trial run

 Before starting operation, each parameter must be confirmed

and adjusted. A failure to do so may cause some machines to make unexpected motions.

or less vibration at 10 to 55 Hz

Warning

Usage

 Everyone must stay away from the equipment when the retry

function is set as it will restart suddenly after a trip.

 Since pressing a key may not stop output depending on

the function setting status, separate circuit and switch that make an emergency stop (power OFF, mechanical brake operation for emergency stop, etc.) must be provided.

 OFF status of the start signal must be confirmed before resetting

the inverter fault. Resetting inverter fault with the start signal ON restarts the motor suddenly.

 Do not use an PM motor for an application where the PM motor

is driven by its load and runs at a speed higher than the maximum motor speed.

 Use this inverter only with three-phase induction motors or with

an PM motor. Connection of any other electrical equipment to the inverter output may damage 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. It must be confirmed that the motor running will not cause any safety problem before performing pre-excitation.

 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 product.

Caution

Usage

 The electronic thermal relay function does not guarantee

protection of the motor from overheating. It is recommended to install both an external thermal and PTC thermistor for overheat protection.

 Do not use a magnetic contactor on the inverter input for

frequent starting/stopping of the inverter. Otherwise the life of the inverter decreases.

 The effect of electromagnetic interference must be reduced by

using a noise filter or by other means. Otherwise nearby electronic equipment may be affected.

 Appropriate measures must be taken to suppress harmonics.

Otherwise power supply harmonics from the inverter may heat/ damage the power factor correction capacitor and generator.

 When driving a 400V class motor by the inverter, the motor must

be an insulation-enhanced motor or measures must be taken to suppress surge voltage. Surge voltage attributable to the wiring constants may occur at the motor terminals, deteriorating the insulation of the motor.

 When parameter clear or all parameter clear is performed, the

required parameters must be set again before starting operations. because all parameters return to their initial values.

 The inverter can be easily set for high-speed operation. Before

changing its setting, the performances of the motor and machine must be fully examined.

 Stop status cannot be hold by the inverter's brake function. In

addition to the inverter’s brake function, a holding device must be installed to ensure safety.

 Before running an inverter which had been stored for a long

period, inspection and test operation must be performed.

 Static electricity in your body must be discharged beforeyou

touch the product.

 Only one PM motor can be connected to an inverter.  An PM motor must be used under PM sensorless vector control.

Do not use a synchronous motor, induction motor, or synchronous induction motor.

 Do not connect an PM motor in the induction motor control

settings (initial settings). Do not use an induction motor in the PM sensorless vector control settings. It will cause a failure.

 In the system with an PM motor, the inverter power must be

turned ON before closing the contacts of the contactor at the output side.

Emergency stop

 A safety backup such as an emergency brake must be provided

to prevent hazardous conditions to the machine and equipment in case of inverter failure.

 When the breaker on the inverter input side trips, thewiring must

be checked for fault (short circuit), and internalparts of the drive unit for a damage, etc. The cause of the trip must be identified and removed before turning ON the power of the breaker.

 When a protective function activates, take an appropriate

corrective action, then reset the inverter, and resume the operation.

Maintenance, inspection and parts replacement

 Do not carry out a megger (insulation resistance) test on the

control circuit of the inverter. It will cause a failure.

Disposal

 The inverter must be treated as industrial waste.

General instruction

 Many of the diagrams and drawings in the Instruction Manual

show the product without a cover or partially open for explanation. Never operate the product in this manner. The cover must be always reinstalled and the instruction in the Instruction Manual must be followed when operating the product. For more details on the PM motor, refer to the Instruction Manual of the PM motor.

Safety Instructions

1 INTRODUCTION 7

1.1 Product checking and accessories 8

1.2 Inverter component names 9

1.3 About the related manuals 10

2 INSTALLATION AND WIRING 11

2.1 Peripheral devices 12

2.1.1 Inverter and peripheral devices ......................................................................................................................12

2.1.2 Peripheral devices ..........................................................................................................................................14

2.2 Removal and reinstallation of the front cover 15

2.3 Installation of the inverter and enclosure design 17

2.3.1 Inverter installation environment.....................................................................................................................17

2.3.2 Cooling system types for inverter enclosure...................................................................................................19

2.3.3 Inverter installation..........................................................................................................................................20

2.3.4 Protruding the heatsink...................................................................................................................................22

2.4 Terminal connection diagrams 24

2.5 Main circuit terminals 28

2.5.1 Details on the main circuit terminals of the inverter........................................................................................28

2.5.2 Details on the main circuit terminals of the converter unit (FR-CC2)..............................................................28

2.5.3 Terminal layout of the main circuit terminals, wiring of power supply and the motor......................................29

2.5.4 Applicable cables and wiring length................................................................................................................30

2.5.5 Earthing (grounding) precautions ...................................................................................................................32

2.6 Control circuit 33

2.6.1 Details on the control circuit terminals of the inverter.....................................................................................33

2.6.2 Details on the control circuit terminals of the converter unit (FR-CC2)...........................................................37

2.6.3 Control logic (sink/source) change .................................................................................................................38

2.6.4 Wiring of inverter control circuit ......................................................................................................................40

2.6.5 Wiring precautions..........................................................................................................................................42

2.6.6 When using separate power supplies for the control circuit and the main circuit...........................................43

2.6.7 When supplying 24 V external power to the control circuit.............................................................................44

2.6.8 Safety stop function ........................................................................................................................................45

2.7 Communication connectors and terminals 47

2.7.1 PU connector ..................................................................................................................................................47

2.7.2 USB connector................................................................................................................................................48

2.7.3 RS-485 terminal block ....................................................................................................................................49

2.8 Connection of motor with encoder (vector control) 50

2.9 Connection of stand-alone option units 57

2.9.1 Connection of the brake unit (FR-BU2) ..........................................................................................................57

2.9.2 Connection of the high power factor converter (FR-HC2) ..............................................................................58

CONTENTS

3 PRECAUTIONS FOR USE OF THE INVERTER 59

3.1 Electro-magnetic interference (EMI) and leakage currents 60

3.1.1 Leakage currents and countermeasures........................................................................................................ 60

3.1.2 Countermeasures against inverter-generated EMI ........................................................................................ 63

3.1.3 Converter unit (FR-CC2) built-in EMC filter....................................................................................................66

3.2 Power supply harmonics 67

3.2.1 Power supply harmonics ................................................................................................................................ 67

3.2.2 Harmonic Suppression Guidelines in Japan .................................................................................................. 68

3.3 Installation of a reactor 70

3.4 Power-OFF and magnetic contactor (MC) 71

3.5 Countermeasures against deterioration of the 400 V class motor insulation 72

3.6 Checklist before starting operation 73

3.7 Failsafe system which uses the inverter 76

4 PROTECTIVE FUNCTIONS 79

4.1 Inverter fault and alarm indications 80

4.2 Reset method for the protective functions 80

4.3 Check and clear of the faults history 81

4.4 List of fault displays 83

5 PRECAUTIONS FOR

MAINTENANCE AND INSPECTION 85

5.1 Inspection item 86

5.1.1 Daily inspection .............................................................................................................................................. 86

5.1.2 Periodic inspection ......................................................................................................................................... 86

5.1.3 Daily and periodic inspection.......................................................................................................................... 87

5.1.4 Checking the inverter and converter modules................................................................................................88

5.1.5 Cleaning ......................................................................................................................................................... 89

5.1.6 Replacement of parts ..................................................................................................................................... 89

5.1.7 Inverter replacement ...................................................................................................................................... 91

5.2 Measurement of main circuit voltages, currents and powers 92

5.2.1 Measurement of powers................................................................................................................................. 94

5.2.2 Measurement of voltages and use of PT........................................................................................................94

5.2.3 Measurement of currents ............................................................................................................................... 95

5.2.4 Use of CT and transducer .............................................................................................................................. 95

5.2.5 Example of measuring converter unit (FR-CC2) input power factor............................................................... 95

5.2.6 Measurement of converter output voltage (across terminals P and N) .......................................................... 95

5.2.7 Measurement of inverter output frequency.....................................................................................................96

CONTENTS

5.2.8 Insulation resistance test using megger .........................................................................................................96

5.2.9 Pressure test...................................................................................................................................................96

6 SPECIFICATIONS 97

6.1 Inverter rating 98

6.2 Common specifications 100

6.3 Outline dimension drawings 102

6.3.1 Inverter outline dimension drawings .............................................................................................................102

6.3.2 Converter unit (FR-CC2) outline dimension drawings ..................................................................................104

APPENDIX 105

Appendix1 For customers replacing the conventional model with this inverter................................ 106

Appendix2 Comparison with FR-A840 .................................................................................................... 108

Appendix3 Instructions for compliance with the EU Directives........................................................... 109

Appendix4 Instructions for UL and cUL ................................................................................................. 111

CONTENTS

MEMO

1 INTRODUCTION

This chapter contains the descriptions that must be read before using this product. Always read the instructions before using the equipment.

1.1 Product checking and accessories.........................................8

1.2 Inverter component names ......................................................9

DU..................................... Operation panel (FR-DU08)

PU..................................... Operation panel (FR-DU08) and parameter unit (FR-PU07)

Inverter.............................. Mitsubishi inverter FR-A800 series (Separated converter type)

Pr. ..................................... Parameter number (Number assigned to function)

PU operation..................... Operation using the PU (FR-DU08/FR-PU07)

External operation............. Operation using the control circuit signals

Combined operation ......... Combined operation using the PU (FR-DU08/FR-PU

07) and External operation

• Connection diagrams in this Instruction Manual suppose that the control logic of the input terminal is the sink

logic, unless otherwise specified. (For the control logic, refer to page 38.)

Harmonic Suppression Guidelines

All the models of the inverters used by specific consumers are covered by "the Harmonic Suppression Guidelines for Consumers Who Receive High Voltage or Special High Voltage". For the details, refer to page 68.

INTRODUCTION

Product checking and accessories

1.1 Product checking and accessories

Unpack the product and check the capacity plate on the front cover and the rating plate on the side to ensure that the model

agrees with the order and the product is intact.

 Applicable inverter model

Symbol Voltage class

400V class

Symbol Structure, functionality

F R - A 8 4 2 -

Symbol

Circuit board coating (3C2)

Not usedNot used

-60

-06

With With

Rating plate

Inverter model

Input rating

Output rating

SERIAL

Separated converter type

315K

Plated conductor

Not used Not used

With

Symbol Description

315K to 500K

07700 to 12120

ND rated inverter capacity (kW)

SLD rated inverter current (A)

- 1

Symbol Type∗1

-1

-2

Manufactured

year and month

 Specification differs by the type as follows.

Type Monitor output

FM (terminal FM equipped model)

CA (terminal CA equipped model)

Terminal FM (pulse train output) Terminal AM (analog voltage output (0 to 10 VDC))

Terminal CA (analog current output (0 to 20 mA DC)) Terminal AM (analog voltage output (0 to 10 VDC))

NOTE

• Hereinafter, the inverter model name consists of the rated current and the applicable motor capacity.

(Example) FR-A842-07700(315K)

 How to read the SERIAL number

Rating plate example

   

Symbol Year Month Control number

SERIAL

Initial setting

Built-in

EMC filter

OFF Sink logic 60 Hz

ON Source logic 50 Hz

The SERIAL consists of one symbol, two characters indicating the production

year and month, and six characters indicating the control number.

The last digit of the production year is indicated as the Year, and the Month is

indicated by 1 to 9, X (October), Y (November), or Z (December).

Control logic

Rated

frequency

Pr.19 Base frequency

voltage

9999 (same as the power supply voltage)

8888 (95% of the power supply voltage)

INTRODUCTION

1.2 Inverter component names

Component names are shown below.

Inverter component names

(a)

(d)

(b)

(c)

(e)

(f)

(o)

(n)

(j)

(k)

(l)

(m)

(g)

(h)

(i)

(q)

(p)

Symbol Name Description

(a) RS-485 terminals Enables RS-485 and Modbus-RTU communication. 49

(b) Plug-in option connector 1

(d) Plug-in option connector 3

(e) Voltage/current input switch Selects between voltage and current for the terminal 2 and 4 inputs.

(f) Control circuit terminal block Connects cables for the control circuit. 33

(g) PU connector

(h) USB A connector Connects a USB memory device. 48

(i) USB mini B connector

(j) Front cover

(k) Power lamp Stays ON while the power is supplied to the control circuit (R1/L11, S1/L21). 29

(l) Alarm lamp Turns ON when the protective function of the inverter is activated. 79

(m) Charge lamp Stays ON while the power is supplied to the main circuit. 29

(n) Operation panel (FR-DU08) Operates and monitors the inverter.

(o) Terminal block cover Remove this cover for wiring. 15

(p) Main circuit terminal block Connects cables for the main circuit. 28

(q) Cooling fan Cools the inverter. 90

 Refer to the FR-A800 Instruction Manual (Detailed)

Connects a plug-in option or a communication option.

Connects the operation panel (FR-DU08) or the parameter unit (FR-PU07). This connector also enables the RS-485 communication.

Connects a personal computer and enables communication with FR Configurator2.

Remove this cover for the installation of the product, installation of a plug-in (communication) option, RS-485 terminal wiring, switching of the voltage/ current input switch, etc.

Instruction Manual of the option

Refer to

page



INTRODUCTION

About the related manuals

1.3 About the related manuals

The manuals related to FR-A800 are shown below.

Manual name Manual number

FR-A800 Instruction Manual (Detailed) IB-0600503ENG

FR-CC2 Instruction Manual IB-0600543ENG

FR Configurator2 Instruction Manual IB-0600516ENG

FR-A800 PLC Function Programming Manual IB-0600492ENG

FR-A800Safety stop function instruction manual BNC-A23228-001

INTRODUCTION

2 INSTALLATION AND

WIRING

This chapter explains the "installation" and the "wiring" of this product. Always read the instructions before using the equipment.

2.1 Peripheral devices ....................................................................12

2.2 Removal and reinstallation of the front cover........................15

2.3 Installation of the inverter and enclosure design ..................17

2.4 Terminal connection diagrams ................................................24

2.5 Main circuit terminals ...............................................................28

2.6 Control circuit ...........................................................................33

2.7 Communication connectors and terminals ............................47

2.8 Connection of motor with encoder (vector control) ..............50

2.9 Connection of stand-alone option units .................................57

INSTALLATION AND WIRING

Peripheral devices

2.1 Peripheral devices

2.1.1 Inverter and peripheral devices

(d) Moulded case

circuit breaker (MCCB) or earth leakage current breaker (ELB), fuse

(e) Magnetic

contactor (MC)

(f) AC reactor

(FR-HAL)

(g) Noise filter

(b) Converter unit

(FR-CC2)

R/L1 S/L2T/L3 N/-N/- P/+P/+ N/-P/+

Earth

(Ground)

(i) Brake unit

(FR-BU2)

(a) Inverter

(FR-A802)

Earth

(Ground)

IM connection

UVW

(k) USB connector

USB host (A connector)

Communication status indicator (LED)(USB host)

USB device (Mini B connector)

PM connection

USB

Personal computer (FR Configurator 2)

(l) Noise filter

(FR-BSF01, FR-BLF)

(n) Contactor

Example) No-fuse switch (DSN type)

(h) High power factor converter

(FR-HC2)

P/+

(j) Resistor unit

(MT-BR5)

: Install these options as required.

(m) Induction

motor

Earth

(Ground)

Earth (Ground)

(o) PM motor

NOTE

• To prevent an electric shock, always earth (ground) the motor, the inverter, and the converter unit.

• Do not install a power factor correction capacitor or surge suppressor or capacitor type filter on the inverter's output side. Doing so will cause the inverter to trip or the capacitor and surge suppressor to be damaged. If any of the above devices is connected, immediately remove it. When installing a molded case circuit breaker on the output side of the inverter, contact the manufacturer of the molded case circuit breaker.

• Electromagnetic wave interference The input/output (main circuit) of the inverter or the converter unit includes high frequency components, which may interfere with the communication devices (such as AM radios) used near the inverter or the converter unit. In this case, activating the EMC filter of the converter unit may minimize interference. (Refer to page 66.)

• For details of options and peripheral devices, refer to the respective Instruction Manual.

• A PM motor cannot be driven by the commercial power supply.

• A PM motor is a motor with permanent magnets embedded inside. High voltage is generated at the motor terminals while the motor is running. Before closing the contactor at the output side, make sure that the inverter power is ON and the motor is stopped.

INSTALLATION AND WIRING

Peripheral devices

Symbol Name Overview

The life of the inverter and the converter unit is influenced by the

(a) Inverter (FR-A802)

(b) Converter unit (FR-CC2)

(d)

(e) Magnetic contactor (MC)

(f) AC reactor (FR-HAL)

(g) Noise filter

(h) High power factor converter (FR-HC2)

(i) Brake unit (FR-BU2)

(j) Resistor unit (MT-BR5)

(k) USB connection

(l) Noise filter

(m) Induction motor Connect a squirrel-cage induction motor. —

(n)

(o) PM motor

Molded case circuit breaker (MCCB), earth leakage circuit breaker (ELB), or fuse

Contactor Example) No-fuse switch (DSN type)

surrounding air temperature. The surrounding air temperature should be as low as possible within the permissible range. This must be noted especially when the inverter is installed in an enclosure. Incorrect wiring may lead to damage of the inverter and the converter unit. The control signal lines must be kept fully away from the main circuit lines to protect them from noise. The converter unit built-in EMC filter can reduce the noise.

Must be within the permissible power supply specifications of the converter unit.

Must be selected carefully since an inrush current flows in the converter unit at power ON.

Install this to ensure safety. Do not use this to start and stop the inverter. Doing so will shorten the life of the inverter and the converter unit.

Install this to suppress harmonics and to improve the power factor. An AC reactor (FR-HAL) (option) is required when installing the inverter near a large power supply system (1000 kVA or more). Under such condition, the inverter and the converter unit may be damaged if you do not use a reactor. Select a reactor according to the applied motor capacity.

Suppresses the noise radiated from the power supply side of the converter unit.

Suppresses the power supply harmonics significantly. Install these options as required. When FR-HC2 is used, FR-CC2 is not required.

Allows the inverter to provide the optimal regenerative braking capability. Install these options as required.

A USB (Ver. 1.1) cable connects the inverter with a personal computer. A USB memory device enables parameter copies and the trace function.

Install this to reduce the electromagnetic noise generated from the inverter and the converter unit. The noise filter is effective in the range from about

0.5 MHz to 5 MHz.

Connect this for an application where a PM motor is driven by the load even while the inverter power is OFF. Do not open or close the contactor while the inverter is running (outputting).

A PM motor can be used. A PM motor cannot be driven by the commercial power supply.

Refer

page

17 24 66

—

INSTALLATION AND WIRING

Peripheral devices

MCCB Converter unit

INV

2.1.2 Peripheral devices

Selecting the converter unit (FR-CC2)

Select the capacity of the FR-CC2 converter unit according to the connected motor capacity.

Inverter

Motor

capacity

(kW)

280 H315 - - - - - - - - - 315K 07700 547

315 H315K - - - - - - 315K 07700 610 355K 08660 610

355 H355K - - - 315K 07700 683 355K 08660 683 400K 09620 683

400 H400K 315K 07700 770 355K 08660 770 400K 09620 770 450K 10940 770

450 H450K 355K 08660 866 400K 09620 866 450K 10940 866 500K 12120 866

500 H500K 400K 09620 962 450K 10940 962 500K 12120 962 - - -

Converter

unit

FR-CC2-[ ]



 The applicable motor capacity indicated is the maximum capacity applicable for use of the Mitsubishi 4-pole standard motor.

SLD (superlight duty) LD (light duty)

Model

FR-A842-[ ]

Rated

current

(A)

Model

FR-A842-[ ]

Rated

current

(A)

Selecting the breaker/magnetic contactor

Check the model of the inverter and the converter unit you purchased. Appropriate peripheral devices must be selected

according to the capacity.

Refer to the table below to prepare appropriate peripheral devices.

• 400 V class

Motor output (kW)

315 FR-CC2-H315K 700A S-N600

355 FR-CC2-H355K 800A S-N600

400 FR-CC2-H400K 900A S-N800

450 FR-CC2-H450K 1000A 1000A rated product

500 FR-CC2-H500K 1200A 1000A rated product

Applicable converter



model

Molded case circuit breaker (MCCB)

earth leakage circuit breaker (ELB)

(NF, NV type)

ND (normal duty,

initial value)

Model

FR-A842-[ ]

Input-side magnetic contactor

Rated

current

(A)

HD (heavy duty)

Model

FR-A842-[ ]

Rated

current

(A)

 Assumes the use of a Mitsubishi 4-pole standard motor with the power supply voltage of 400

VAC 50 Hz.

 Select an MCCB according to the power supply capacity.

Install one MCCB per converter. For the use in the United States or Canada, provide the appropriate UL and cUL listed fuse or UL489 molded case circuit breaker (MCCB) that is suitable for branch circuit protection. (Refer to page 111.)

 The magnetic contactor is selected based on the AC-1 class. The electrical durability of magnetic contactor is 500,000 times. When the

magnetic contactor is used for emergency stops during motor driving, the electrical durability is 25 times. If using an MC for emergency stop during driving the motor, select an MC regarding the converter unit input side current as JEM1038-AC-3 class rated current. When using an MC on the inverter output side for commercial-power supply operation switching using a general-purpose motor, select an MC regarding the rated motor current as JEM1038-AC-3 class rated current.

NOTE

• When the converter unit capacity is larger than the motor capacity, select an MCCB and a magnetic contactor according to

the converter unit model, and select cables and reactors according to the motor output.

• When the breaker on the converter unit's input side trips, check for the wiring fault (short circuit), damage to internal parts of

the inverter and the converter unit, etc. The cause of the trip must be identified and removed before turning ON the power of

the breaker.

INSTALLATION AND WIRING

Removal and reinstallation of the front cover

2.2 Removal and reinstallation of the front cover

Removal and reinstallation of the operation panel

• Loosen the two screws on the operation panel.

(These screws cannot be removed.)

To reinstall the operation panel, align its connector on the back with the PU connector of the inverter, and insert the operation

panel. After confirming that the operation panel is fit securely, tighten the screws. (Tightening torque: 0.40 to 0.45 N·m)

• Push the upper part of the operation panel and pull the

operation panel to remove.

Removal of the terminal block cover

(a) (b)

(a) Remove the mounting screws to remove the terminal block cover. (The number of the mounting screws differs by the capacity.) (b) With the terminal block cover removed, wiring of the main circuit terminals can be performed.

INSTALLATION AND WIRING

Removal and reinstallation of the front cover

Loosen

Fasten

Removal of the front cover

(a) (b)

Loosen

(a) With the terminal block cover removed, loosen the mounting screws on the front cover. These screws cannot be removed. (b) While holding the areas around the installation hooks on the sides of the front cover, pull out the front cover using its upper side

as a support.

(c) With the front cover removed, wiring of the control circuit and the RS-485 terminals, and installation of the plug-in option can be

performed.

(c)

Reinstallation of the front cover and the terminal block cover

(a)

(a) Insert the upper hooks of the front cover into the sockets of the inverter.

(b) Tighten the mounting screw at the lower part of the front cover. (c) Fasten the terminal block cover with the mounting screws. (The number of the mounting screws differs by the capacity.)

Securely install the front cover to the inverter by fixing the hooks on the sides of the cover into place.

(b) (c)

Fasten

NOTE

• Fully make sure that the front cover and the terminal block cover are installed securely. Always tighten the mounting screws

of the front cover and the terminal block cover.

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

2.3 Installation of the inverter and enclosure design

When designing or manufacturing an inverter enclosure, determine the structure, size, and device layout of the enclosure by

fully considering the conditions such as heat generation of the contained devices and the operating environment. An inverter

uses many semiconductor devices. To ensure higher reliability and long period of operation, operate the inverter in the

ambient environment that completely satisfies the equipment specifications.

2.3.1 Inverter installation environment

The following table lists the standard specifications of the inverter installation environment. Using the inverter in an

environment that does not satisfy the conditions deteriorates the performance, shortens the life, and causes a failure. Refer to

the following points, and take adequate measures.

Standard environmental specifications of the inverter

Item Description

Surrounding air temperature

Surrounding air humidity

Storage temperature -20 to + 65°C

Atmosphere Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)

Altitude Maximum 1,000 m above sea level

Vibration

LD, ND (initial setting), HD -10 to +50°C (non-freezing)

5cm

SLD -10 to +40°C (non-freezing)

With circuit board coating 95% RH or less (non-condensing) Without circuit board coating 90% RH or less (non-condensing)





or less at 10 to 55 Hz (directions of X, Y, Z axes)

2.9 m/s

 Temperature applicable for a short time, e.g. in transit.  For the installation at an altitude above 1,000 m (up to 2,500 m), derate the rated current 3% per 500 m.

(1.97 inches)

Measurement position

Inverter

Measurement position

5cm

(1.97 inches) 5cm (1.97 inches)

Temperature

The permissible surrounding air temperature of the inverter is between -10°C and +50°C (-10°C and +40°C at the SLD rating).

Always operate the inverter within this temperature range. Operation outside this range will considerably shorten the service

lives of the semiconductors, parts, capacitors and others. Take the following measures to keep the surrounding air

temperature of the inverter within the specified range.

(a) Measures against high temperature

• Use a forced ventilation system or similar cooling system. (Refer to page 19.)

• Install the enclosure in an air-conditioned electric chamber.

• Block direct sunlight.

• Provide a shield or similar plate to avoid direct exposure to the radiated heat and wind of a heat source.

• Ventilate the area around the enclosure well.

(b) Measures against low temperature

• Provide a space heater in the enclosure.

• Do not power OFF the inverter. (Keep the start signal of the inverter OFF.)

• Select an installation place where temperature does not change suddenly.

• Avoid installing the inverter near the air outlet of an air conditioner.

• If temperature changes are caused by opening/closing of a door, install the inverter away from the door.

Humidity

Operate the inverter within the ambient air humidity of usually 45 to 90% (up to 95% with circuit board coating). Too high

humidity will pose problems of reduced insulation and metal corrosion. On the other hand, too low humidity may cause a

spatial electrical breakdown. The insulation distance defined in JEM1103 "Control Equipment Insulator" is humidity of 45 to

85%.

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

(a) Measures against high humidity

• Make the enclosure enclosed, and provide it with a hygroscopic agent.

• Provide dry air into the enclosure from outside.

• Provide a space heater in the enclosure.

(b) Measures against low humidity

Air with proper humidity can be blown into the enclosure from outside. Also when installing or inspecting the unit, discharge

your body (static electricity) beforehand, and keep your body away from the parts and patterns.

Condensation may occur if frequent operation stops change the in-enclosure temperature suddenly or if the outside air

temperature changes suddenly.

Condensation causes such faults as reduced insulation and corrosion.

• Take the measures against high humidity in (a).

• Do not power OFF the inverter. (Keep the start signal of the inverter OFF.)

Dust, dirt, oil mist

Dust and dirt will cause such faults as poor contacts, reduced insulation and cooling effect due to the moisture-absorbed

accumulated dust and dirt, and in-enclosure temperature rise due to a clogged filter. In an atmosphere where conductive

powder floats, dust and dirt will cause such faults as malfunction, deteriorated insulation and short circuit in a short time.

Since oil mist will cause similar conditions, it is necessary to take adequate measures.

Countermeasure

• Place the inverter in a totally enclosed enclosure.

Take measures if the in-enclosure temperature rises. (Refer to page 19.)

• Purge air.

Pump clean air from outside to make the in-enclosure air pressure higher than the outside air pressure.

Corrosive gas, salt damage

If the inverter is exposed to corrosive gas or to salt near a beach, the printed board patterns and parts will corrode or the

relays and switches will result in poor contact.

In such places, take the measures given above.

Explosive, flammable gases

As the inverter is non-explosion proof, it must be contained in an explosion-proof enclosure. In places where explosion may

be caused by explosive gas, dust or dirt, an enclosure cannot be used unless it structurally complies with the guidelines and

has passed the specified tests. This makes the enclosure itself expensive (including the test charges). The best way is to

avoid installation in such places and install the inverter in a non-hazardous place.

High altitude

Use the inverter at an altitude of within 1000 m. For use at an altitude above 1,000 m (up to 2,500 m), derate the rated current

3% per 500 m.

If it is used at a higher place, it is likely that thin air will reduce the cooling effect and low air pressure will deteriorate dielectric

strength.

Vibration, impact

The vibration resistance of the inverter is up to 2.9 m/s2 at 10 to 55 Hz frequency and 1 mm amplitude for the directions of X,

Y, Z axes. Applying vibration and impacts for a long time may loosen the structures and cause poor contacts of connectors,

even if those vibration and impacts are within the specified values.

Especially when impacts are applied repeatedly, caution must be taken because such impacts may break the installation feet.

Countermeasure

• Provide the enclosure with rubber vibration isolators.

• Strengthen the structure to prevent the enclosure from resonance.

• Install the enclosure away from the sources of the vibration.

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

INV

Heat pipe

2.3.2 Cooling system types for inverter enclosure

From the enclosure that contains the inverter, the heat of the inverter and other equipment (transformers, lamps, resistors,

etc.) and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure temperature lower than the

permissible temperatures of the in-enclosure equipment including the inverter.

The cooling systems are classified as follows in terms of the cooling calculation method.

(a) Cooling by natural heat dissipation from the enclosure surface (totally enclosed type)

(b) Cooling by heatsink (aluminum fin, etc.)

(d) Cooling by heat exchanger or cooler (heat pipe, cooler, etc.)

Cooling system Enclosure structure Comment

Natural cooling

Forced cooling

Natural ventilation (enclosed, open type)

Natural ventilation (totally enclosed type)

Heatsink cooling

Forced ventilation

Heat pipe This is a totally enclosed for enclosure downsizing.

Heatsink

INV

This system is low in cost and generally used, but the enclosure size increases as the inverter capacity increases. This system is for relatively small capacities.

Being a totally enclosed type, this system is the most appropriate for hostile environment having dust, dirt, oil mist, etc. The enclosure size increases depending on the inverter capacity.

This system has restrictions on the heatsink mounting position and area. This system is for relatively small capacities.

This system is for general indoor installation. This is appropriate for enclosure downsizing and cost reduction, and often used.

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

Vertical

2.3.3 Inverter installation

Inverter placement

• Install the inverter on a strong surface securely with screws.

• 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 nonflammable wall surface.

• When encasing multiple inverters in an enclosure, install them in parallel as a cooling measure.

• For heat dissipation and maintenance, keep clearance between the inverter and the other devices or enclosure surface.

The clearance below the inverter is required as a wiring space, and the clearance above the inverter is required as a heat

dissipation space.

Clearances (side)Clearances (front)

20cm (7.87inches) or more

5cm (1.97 inches) or more

∗1

Inverter

Allow clearance.

Vertical

10cm

(3.94inches)

or more

10cm (3.94inches) or more

20cm (7.87inches) or more

 For replacing the cooling fan, 30 cm (11.81 inches) or more of space is necessary in front of the inverter. Refer to pag e 90 for fan replacement.

Installation orientation of the inverter

Install the inverter on a wall as specified. Do not mount it horizontally or in any other way.

Above the inverter

Heat is blown up from inside the inverter by the small fan built in the unit. Any equipment placed above the inverter should be

heat resistant.

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

Inverter Inverter

Encasing multiple inverters and converter units

When multiple inverters and converter units are placed in the

same enclosure, generally arrange them horizontally as shown

in the figure on the right.

Do not place multiple products vertically. The exhaust air

temperature of the inverter and the converter unit may be

increased.

When mounting multiple inverters and converter units, fully take

caution not to make the surrounding air temperature of the

inverter and the converter unit higher than the permissible value

by providing ventilation and increasing the enclosure size.

Converter

unit

Converter

unit

Arrangement of multiple inverters and converter units

Arrangement of the ventilation fan and inverter

Heat generated in the inverter is blown up from the bottom of

the unit as warm air by the cooling fan. When installing a

ventilation fan for that heat, determine the place of ventilation

fan installation after fully considering an air flow. (Air passes

through areas of low resistance. Make an airway and airflow

plates to expose the inverter to cool air.)

Inverter

Enclosure

Converter

unit

Inverter

Arrangement of the ventilation fan and inverter

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

2.3.4 Protruding the heatsink

When encasing an inverter to an enclosure, the heat generated in the enclosure can be greatly reduced by protruding the

heatsink of the inverter.

When installing the inverter in a compact enclosure, etc., this installation method is recommended.

 Panel cutting

Cut the panel of the enclosure according to the inverter capacity.

FR-A842-07700(315K)

FR-A842-08660(355K)

1515 1270

1300

200

520

Hole

200

6-M10 screw

FR-A842-09620(400K)

FR-A842-10940(450K)

FR-A842-12120(500K)

15152015

1550

660

240 240

Hole

6-M10 screw

INSTALLATION AND WIRING

Installation of the inverter and enclosure design

NOTE

Upper installation frame (rear side)

Lower installation frame (rear side)

 Removal of the rear installation frame

Two installation frames are attached to each of the upper and lower

parts of the inverter. Remove the rear side installation frame on the top

and bottom of the inverter as shown on the right.

 Installation of the inverter

Push the inverter heatsink portion outside the enclosure and fix the enclosure and inverter with upper and lower

installation frame.

Enclosure

Inside the enclosure

Inverter

Exhausted air

Installation frame

There are finger guards behind the enclosure. Therefore, the thickness of the panel should be less than 10 mm (∗1) and also do not place anything around finger guards to avoid contact with the finger guards.

Enclosure

10mm

∗1

140mm

Finger guard

• Having a cooling fan, the cooling section which comes out of the enclosure cannot be used in the environment of water drops,

• Be careful not to drop screws, dust etc. into the inverter and cooling fan section.

oil, mist, dust, etc.

Cooling

wind

185mm

6mm

Dimension of the outside of the enclosure

INSTALLATION AND WIRING

Terminal connection diagrams

2.4 Terminal connection diagrams

FM type

Sink logic

Converter unit

R/L1

P/+

S/L2

N/-

T/L3

RDI

RES

+24

RDB

RDA

RSO

IPF

FAN

Main circuit terminal

Control circuit terminal

Control input signals (No voltage input allowed) 

Forward rotation start

Reverse rotation start

Start self-holding selection

Multi-speed selection

Second function selection

Terminal 4 input selection

Selection of automatic restart

after instantaneous power failure

Contact input common

(Common for external power supply transistor)

Frequency setting signals (Analog)

Frequency setting potentiometer 1/2W1kΩ

Connector for plug-in option connection

Safety stop signal

Safety stop input (Channel 1)

Safety stop input (Channel 2)

High speed

Middle speed

Low speed

Jog operation

Output stop

24V external power

supply input

Common terminal



Auxiliary input

Terminal 4 input (Current input)

Safety stop input common

Brake unit (Option)

Jumper



Earth

(Ground)

Reset

24VDC power supply

(+) (-)

Shorting wire

P/+

N/-

R1/L11 S1/L21

Main circuit

Control circuit

STF

STR

STP(STOP)

JOG



MRS

X10



RES

+24

10E(+10V)

10(+5V)

0 to 5VDC

0 to 10VDC 0 to 20mADC

(Analog common)

0 to ±10VDC

0 to ±5VDC selectable

4 to 20mADC

0 to 5VDC 0 to 10VDC

connector 1 connector 2

connector 3

24V

SIC

SINK

SOURCE

24V

Voltage/current



input switch

OFF

Initial value

selectable

Initial value

selectable

Output shutoff circuit



PU connector

USB A connector

USB mini B connector

RXD+

Terminating

resistor

U V

RUN

Running

Up to frequency

IPF



Overload

Frequency detection

Open collector output common

Sink/source common

F/C

(FM)



TXD+

TXD-

RXD-

VCC

Safety monitor output

SOC

Safety monitor output common

Relay output 1 (Fault output)

Relay output 2

Open collector output 

Calibration resistor

(+)

(-)

Data transmission

Data reception

GND

Motor

Earth (Ground)

Relay output 



Analog signal output (0 to ±10VDC)

RS-485 terminals

(Permissible load current 100mA)

Indicator (Frequency meter, etc.)

Moving-coil type 1mA full-scale

INSTALLATION AND WIRING

Terminal connection diagrams

NOTE

 The terminals R1/L11 and S1/L21 are connected to the terminals P/+ and N/- with a jumper respectively. When using separate power supply for

the control circuit, remove the jumpers from R1/L11 and S1/L21.

 The function of these terminals can be changed with the input terminal assignment (Pr.178 to Pr.189).  Terminal JOG is also used as the pulse train input terminal. Use Pr.291 to choose JOG or pulse.  The X10 signal (NC contact input specification) is assigned to the terminal MRS in the initial setting. Set Pr.599 = "0" to change the input

specification of the X10 signal to NO contact.

 Terminal input specifications can be changed by analog input specification switchover (Pr.73, Pr.267). To input a voltage (0 to 5 V/0 to 10 V), set

the voltage/current input switch OFF. To input a current (4 to 20 mA), set the voltage/current input switch ON. Terminals 10 and 2 are also used as a PTC input terminal. (Pr.561)

 It is recommended to use 2 W 1 k when the frequency setting signal is changed frequently.  The function of these terminals can be changed with the output terminal assignment (Pr.195, Pr.196).  The function of these terminals can be changed with the output terminal assignment (Pr.190 to Pr.194).  No function is assigned in the initial setting. Use Pr.192 for function assignment.  The terminal FM can be used to output pulse trains as open collector output by setting Pr.291.  Not required when calibrating the scale with the operation panel.

• To prevent a malfunction due to noise, keep the signal cables 10 cm or more away from the power cables. Also, separate the

main circuit cables at the input side from the main circuit cables at the output side.

• 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 an enclosure etc., take caution not to allow chips and other foreign matter to enter the

inverter.

• Set the voltage/current input switch correctly. Incorrect setting may cause a fault, failure or malfunction.

INSTALLATION AND WIRING

Terminal connection diagrams

CA type

Sourse logic

Main circuit terminal

Control circuit terminal

Converter unit

R/L1

P/+

S/L2

N/-

T/L3

RDI

RES

+24

RDB

RDA

RSO

IPF

FAN

Control input signals (No voltage input allowed) 

Forward rotation start

Reverse rotation start

Start self-holding selection

Multi-speed selection

Second function selection

Terminal 4 input selection

Selection of automatic restart

after instantaneous power failure

power supply transistor

Frequency setting signals (Analog)

Frequency setting potentiometer 1/2W1kΩ

Connector for plug-in option connection

Safety stop signal

Safety stop input (Channel 1)

Safety stop input (Channel 2)

Middle speed

Jog operation

Common for external

24V external power

supply input

Common terminal



Auxiliary input

Terminal 4 input (Current input)

Safety stop input common

Jumper

(Ground)

High speed

Low speed

Output stop

Reset

Contact input common

24VDC power supply

(+) (-)

Brake unit (Option)



Earth

Shorting wire

P/+

N/-

R1/L11 S1/L21

Main circuit

Control circuit

STF

STR

STP(STOP)

JOG



MRS

X10



RES

+24

10E(+10V)

10(+5V)

0 to 5VDC

0 to 10VDC 0 to 20mADC

(Analog common)

0 to ±10VDC

0 to ±5VDC selectable

4 to 20mADC

0 to 5VDC 0 to 10VDC

connector 1 connector 2

connector 3

24V

SIC

SINK

SOURCE

24V

Voltage/current



input switch

OFF

Initial value

selectable

Initial value

selectable

Output shutoff circuit



PU connector

USB A connector

USB mini B connector

RXD+

Terminating

resistor

Relay output 1 (Fault output)

Relay output 2

RUN

Running

Up to frequency

IPF



Overload

Frequency detection

Open collector output common

Sink/source common

F/C

(CA)

TXD+

TXD-

RXD-

VCC

Safety monitor output

SOC

Safety monitor output common

Open collector output 

Relay output 

(+)

Analog current output (0 to 20mADC)

(-)

(+)

Analog signal output (0 to ±10VDC)

(-)

RS-485 terminals

Data transmission

Data reception

GND

(Permissible load

current 100mA)

Motor

Earth (Ground)

INSTALLATION AND WIRING

Terminal connection diagrams

 The terminals R1/L11 and S1/L21 are connected to the terminals P/+ and N/- with a jumper respectively. When using separate power supply for

the control circuit, remove the jumpers from R1/L11 and S1/L21.

specification of the X10 signal to NO contact.

 Terminal input specifications can be changed by analog input specification switchover (Pr.73, Pr.267). To input a voltage (0 to 5 V/0 to 10 V), set

the voltage/current input switch OFF. To input a current (4 to 20 mA), set the voltage/current input switch ON. Terminals 10 and 2 are also used as a PTC input terminal. (Pr.561)

NOTE

• To prevent a malfunction due to noise, keep the signal cables 10 cm or more away from the power cables. Also, separate the

main circuit cables at the input side from the main circuit cables at the output side.

• 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 an enclosure etc., take caution not to allow chips and other foreign matter to enter the

inverter.

• Set the voltage/current input switch correctly. Incorrect setting may cause a fault, failure or malfunction.

Connection between the converter unit and the inverter

Perform wiring so that the commands sent from the converter unit are transmitted to the inverter without fail. Incorrect

connection may damage the converter unit and the inverter.

For the wiring length, refer to the table below.

Total wiring

length

Across the terminals P and P and

the terminals N and N

Other control signal cables 30 m or lower

50 m or lower

For the cable gauge of the cable across the main circuit terminals P/+ and N/- (P and P, N and N), refer to page 30.

Converter unit

(FR-CC2)

MCCB

Power supply

 Do not install an MCCB across the terminals P/+ and N/- (across terminals P and P/+ or across N and N/-). Connecting the opposite polarity of

terminals N/- and P/+ will damage the inverter.

 For the terminal used for the X10 signal input, set "10" in any of Pr.178 to Pr.189 (input terminal function selection) to assign the function.

(The X10 signal is assigned to the terminal MRS in the initial setting.) For the X10 signal, NC contact input specification is selected in the initial setting. Set Pr.599 = "0" to change the input specification to NO contact.

 For the terminal used for the X11 signal input, set "11" in any of Pr.178 to Pr.189 (input terminal function selection) to assign the function. For

RS-485 or any other communication where the start command is only transmitted once, use the X11 signal to save the operation mode at the time of an instantaneous power failure.

 Always connect the terminal RDA of the converter unit and the terminal MRS (X10) of the inverter, and the terminal SE of the converter unit and

the terminal SD (sink logic) of the inverter. Not connecting these terminals may damage the converter unit.

R/L1

N/-

S/L2

T/L3

R1/L11 S1/L21

RDA

RDB

IPF

RSO





Inverter

P/+P/+ N/-

R1/L11 S1/L21

MRS(X10)





X11

RES

U V

INSTALLATION AND WIRING

Main circuit terminals

2.5 Main circuit terminals

2.5.1 Details on the main circuit terminals of the

inverter

Terminal

symbol

U, V, W Inverter output

R1/L11, S1/L21

P/+, N/- Converter unit connection

Terminal name Terminal function description

Connect these terminals to a three-phase squirrel cage motor or an PM motor.

Connected to the terminals P/+ and N/-. To retain the fault display and fault

Power supply for the control circuit

Earth (ground)

output, or to use the converter unit (FR-CC2), remove the jumpers installed in terminals R1/L11 and S1/L21, and apply external power supply to these terminals. The power capacity necessary when separate power is supplied from R1/L11 and S1/L21 is 80 VA.

Connect the converter unit (FR-CC2), brake unit (FR-BU2), or high power factor converter (FR-HC2).

For earthing (grounding) the inverter chassis. This must be earthed (grounded).

2.5.2 Details on the main circuit terminals of the

converter unit (FR-CC2)

Terminal

symbol

R/L1, S/L2, T/L3

R1/L11, S1/L21

P/+, N/- Inverter connection Connect to terminals P/+ and N/- of the inverter. 24

Terminal name Terminal function description

AC power input Connect these terminals to the commercial power supply. -

Connected to the AC power supply terminals R/L1 and S/L2. To retain the

fault display and fault output, remove the jumpers across terminals R/L1 and Power supply for the control circuit

Earth (ground)

R1/L11 and across S/L2 and S1/L21, and supply external power to these

terminals.

The power capacity necessary when separate power is supplied from R1/L11

and S1/L21 is 80 VA.

For earthing (grounding) the converter unit chassis. This must be earthed

(grounded).

Refer

to page

24, 57

Refer

to page

INSTALLATION AND WIRING

Main circuit terminals

2.5.3 Terminal layout of the main circuit terminals,

wiring of power supply and the motor

FR-CC2-315K to FR-CC2-500K FR-A842-07700(315K) to FR-A842-12120(500K)

R1/L11 S1/L21

Charge lamp

Jumper

N/-

Charge lamp

Jumper

R/L1

S/L2

Power supply

T/L3

N/-

P/+

To inverter

To converter

unit

P/+

Motor

NOTE

• Make sure the power cables are connected to the R/L1, S/L2, and T/L3 of the converter unit. (Phase need not be matched.)

Never connect the power cable to the U, V, and W of the inverter. Doing so will damage the inverter.

• Connect the motor to the U, V, and W of the inverter. (The phases must be matched.)

• When wiring the main circuit conductor, tighten a nut from the right side of the conductor.

When wiring two wires, place wires on both sides of the conductor. (Refer to the diagram below.)

For wiring, use bolts (nuts) provided with the inverter.

• When wiring the main circuit conductor (R/L1, S/L2, T/L3) of the converter unit (FR-CC2), use the bolts (nuts) for main circuit

wiring, which are provided on the front side of the conductor.

FR-CC2-H315K, H355K FR-CC2-H400K to H500K

Connect the cables here.

INSTALLATION AND WIRING

+ 86 hidden pages