Mitsubishi Electric FR-A7AZ User manual

INSTRUCTION MANUAL

INVERTER

Plug-in option

FR-A7AZ

Bipolar analog output function

High resolution analog input function

Motor thermistor interface

INSTALLATION AND WIRING

PARAMETER LIST

BIPOLAR ANALOG OUTPUT

PRE-OPERATION INSTRUCTIONS

HIGH RESOLUTION ANALOG INPUT

MOTOR THERMISTOR INTERFACE

A-1

Thank you for choosing this Mitsubishi Inverter plug-in option.

This Instruction Manual gives handling information and

precautions for use of this equipment. Incorrect handling might

cause an unexpected fault. Before using the equipment, please

read this manual carefully to use the equipment to its optimum.

Please forward this manual to the end user.

1. Electric Shock Prevention

This section is specifically about

safety matters

Do not attempt to install, operate, maintain or inspect this

product until you have read through this Instruction Manual 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.

In this Instruction Manual, 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.

WARNING

CAUTION

SAFETY INSTRUCTIONS

WARNING

•While power is ON or when the inverter is running, do not

open the front cover. You may get an electric shock.

•Do not run the inverter with the front cover or wiring cover

removed. Otherwise, you may access the exposed high-

voltage terminals and charging part 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, power must be switched OFF. To

confirm that, LED indication of the operation panel must be

checked. (It must be 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.

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

equipment shall be fully competent to do the work.

•The plug-in option must be installed before wiring. Otherwise,

you may get an electric shock or be injured.

•Do not touch the plug-in option or handle the cables with wet

hands. 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.

A-2

2. Injury Prevention

3. Additional Instructions

Also the following points must be noted to prevent an accidental

failure, injury, electric shock, etc.

1) Transportation and mounting

2) Trial run

3) Usage

4) Maintenance, inspection and parts replacement

5) Disposal

6) General instruction

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.

•Polarity 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 they will be extremely hot. Doing so can

cause burns.

CAUTION

•Do not install or operate the plug-in option if it is damaged or

has parts missing.

•Do not stand or rest heavy objects on the product.

•The mounting orientation must be correct.

•Foreign conductive objects must be prevented from entering

the inverter. That includes screws and metal fragments or

other flammable substances such as oil.

CAUTION

•Before starting operation, each parameter must be confirmed

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

make unexpected motions.

WARNING

•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

•

When parameter clear or all parameter clear is performed, the

required parameters must be set again before starting operations

because all parameters return to the initial value.

•Static electricity in your body must be discharged before you

touch the product. Otherwise the product may be damaged.

CAUTION

•Do not test the equipment with a megger (measure insulation

resistance).

CAUTION

•This inverter plug-in option must be treated as industrial

waste.

Many of the diagrams and drawings in this Instruction Manual

show the inverter without a cover or partially open for

explanation. Never operate the inverter in this manner. The

cover must be reinstalled and the instructions in the inverter

manual must be followed when operating the inverter.

⎯CONTENTS ⎯

1 PRE-OPERATION INSTRUCTIONS 1

1.1 Inverter model ....................................................................................................................................1

1.2 Unpacking and product confirmation ..............................................................................................2

1.2.1 Product confirmation.......................................................................................................................................2

1.2.2 Parts ...............................................................................................................................................................3

1.3 Compatible inverters .........................................................................................................................4

2 INSTALLATION AND WIRING 7

2.1 Pre-installation instructions .............................................................................................................7

2.2 Installation procedure .......................................................................................................................8

2.3 Wiring................................................................................................................................................10

3 PARAMETER LIST 14

4 BIPOLAR ANALOG OUTPUT 16

4.1 Connection diagram ........................................................................................................................16

4.2 Terminals ..........................................................................................................................................17

4.3 Bipolar analog outputting parameter.............................................................................................17

4.3.1 Parameter list ...............................................................................................................................................17

4.3.2 Calibration of the indicator (Pr. 838, Pr. 857, C0).........................................................................................18

4.3.3 Monitor item list ............................................................................................................................................19

4.3.4 Terminal DA1 response level adjustment (Pr. 839)......................................................................................20

5 HIGH RESOLUTION ANALOG INPUT 21

5.1 Connection diagram ........................................................................................................................21

5.2 Terminals ..........................................................................................................................................21

5.3 High resolution analog input parameter........................................................................................22

5.3.1 Parameter list ...............................................................................................................................................22

5.3.2 Selection of terminal 6 function (Pr. 406) .....................................................................................................23

5.3.3 Calibration of terminal 6 (Pr. 148, Pr. 149, Pr. 846 to Pr. 848, C30 to C37).................................................25

5.4 Noise reduction techniques............................................................................................................28

5.5 Specifications...................................................................................................................................29

6 MOTOR THERMISTOR INTERFACE 30

6.1 Connection diagram ........................................................................................................................30

6.2 Terminals ..........................................................................................................................................31

6.3 Motor thermistor parameter............................................................................................................31

6.3.1 Parameter list ...............................................................................................................................................31

6.3.2 Thermistor setting.........................................................................................................................................32

6.3.3 Activating the motor thermistor.....................................................................................................................33

6.3.4 Thermistor calibration (C29) .........................................................................................................................34

6.3.5 Motor temperature detection signal..............................................................................................................37

6.3.6 Motor temperature monitor output ................................................................................................................38

1PRE-OPERATION INSTRUCTIONS

1.1 Inverter model

The inverter models 55K and 75K stated in this Instruction Manual differ according to -NA, -EC, -CH(T)

versions. Refer to the following correspondence table for each inverter type. (Refer to the Instruction Manual

of each inverter for the inverter type.)

For example, "for the 75K or higher" indicates "for the FR-A740-01440-NA or higher" in the case of FR-

A740 of NA version.

NA EC CH

A700

FR-A720-55K FR-A720-02150-NA ⎯⎯

FR-A720-75K FR-A720-02880-NA ⎯⎯

FR-A740-55K FR-A740-01100-NA FR-A740-01800-EC FR-A740-55K-CHT

FR-A740-75K FR-A740-01440-NA FR-A740-02160-EC FR-A740-75K-CHT

PRE-OPERATION INSTRUCTIONS

1.2 Unpacking and product confirmation

Take the plug-in option out of the package, check the product name, and confirm that the product is as you

ordered and intact.

This product is a plug-in option dedicated for the FR-A700/A701 series.

Refer to page 4 for details of compatible inverters.

1.2.1 Product confirmation

Check the enclosed items.

Plug-in option ................... 1 Mounting screw (M3 ×6mm)

.............. 2 (Refer to page 8.)

Hex-head screw for option

mounting (5.5mm)

............... 1 (Refer to page 8.)

5.5mm

PRE-OPERATION INSTRUCTIONS

1.2.2 Parts

Front view Rear view

Mounting

hole

Mounting

hole

Terminal

block

Connector

Connect to the inverter

option connector.

TST

TH2

TST

DA1

TH1

SW2

SW1

SW3

FR-A7AZ

Switch for manufacturer setting (SW3)

Do not change from initially-set status

(1, 2: OFF ).

Switch for manufacturer setting (SW1)

Do not change from initially-set status

(1, 2: ON ).

Switch for thermistor calibration (SW2)

Change the setting when calibrating the

thermistor.

1 All terminal 5 are connected internally.

2 TST are not used. Keep these open.

Accidental connection will damage the

option.

Mounting

hole

Terminal layout

(Refer to page 8.)

(Refer to page 34.)

PRE-OPERATION INSTRUCTIONS

1.3 Compatible inverters

This product can be used with the FR-A700 series inverters assembled in and after July 2006 and the FR-

A701 series.

Check the SERIAL number indicated on the inverter rating plate or package.

Refer to the Inverter Manual for the location of the rating plate.

Rating plate example

6 7 {{{{{{

Symbol Year Month Control number

SERIAL (Serial No.)

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

and month, and six characters indicating 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.)

PRE-OPERATION INSTRUCTIONS

(1) Japanese specification/NA specification

(2) CHT specification

Type SERIAL (the first three digits)

FR-A720-0.4K to 90K, FR-A740-0.4K to 500K 67{{{{{{ or later

FR-A720-00030 to 03460-NA, FR-A740-00015 to 09620-NA

Type SERIAL Type SERIAL

FR-A740-0.4K/0.75K-CHT M67{{{{{{ or later

FR-A740-185K to 250K-CHT

F67{{{{{{ or later

FR-A740-1.5K to 3.7K-CHT N67{{{{{{ or later FR-A740-280K-CHT G67{{{{{{ or later

FR-A740-5.5K/7.5K-CHT M67{{{{{{ or later FR-A740-315K-CHT F67{{{{{{ or later

FR-A740-11K to 22K-CHT N67{{{{{{ or later FR-A740-355K-CHT D67{{{{{{ or later

FR-A740-30K to 55K-CHT K67{{{{{{ or later FR-A740-400K/450K-CHT F67{{{{{{ or later

FR-A740-75K to 160K-CHT G67{{{{{{ or later FR-A740-500K-CHT G67{{{{{{ or later

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