Mitsubishi Electric MELSERVO-JE Bedienungsanleitung

SH(NA)030166ENG-D(1708)MEE Printed in Japan Specifications are subject to change without notice.

This Instruction Manual uses recycled paper.

MODEL

CODE

General-Purpose AC Servo

MELSERVO-JE Servo amplifier INSTRUCTION MANUAL (TROUBLE SHOOTING)

HEAD OFFICE: TOKYO BLDG MARUNOUCHI TOKYO 100-8310

MELSERVO-JE Servo amplifier

INSTRUCTION MANUAL (TROUBLE SHOOTING)

1CW710

MR-JE INSTRUCTIONMANUAL

(TROUBLESHOOTING)

A - 1

Safety Instructions

Please read the instructions carefully before using the equipment.

To use the equipment correctly, do not attempt to install, operate, maintain, or inspect the equipment until

you have read through this Instruction Manual, Installation guide, and appended documents carefully. Do not

use the equipment 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".

WARNING

Indicates that incorrect handling may cause hazardous conditions,

resulting in death or severe injury.

CAUTION Indicates that incorrect handling may cause hazardous conditions,

resulting in medium or slight injury to personnel or may cause physical

damage.

Note that the CAUTION level may lead to a serious consequence according to conditions.

Please follow the instructions of both levels because they are important to personnel safety.

What must not be done and what must be done are indicated by the following diagrammatic symbols.

Indicates what must not be done. For example, "No Fire" is indicated by .

Indicates what must be done. For example, grounding is indicated by .

In this Instruction Manual, instructions at a level lower than the above, instructions for other functions, and so

on are classified into "POINT".

After reading this Instruction Manual, keep it accessible to the operator.

A - 2

1. To prevent electric shock, note the following.

WARNING

Before wiring and inspections, turn off the power and wait for 15 minutes or more until the charge lamp

turns off. Otherwise, an electric shock may occur. In addition, always confirm that the charge lamp is off

from the front of the servo amplifier.

Do not operate switches with wet hands. Doing so may cause an electric shock.

2. To prevent injury, note the following.

CAUTION

The servo amplifier heat sink, regenerative resistor, servo motor, etc. may be hot while the power is on,

or for some time after power-off. Take safety measures, such as providing covers, to avoid accidentally

touching the parts (cables, etc.) by hand.

3. Additional instructions

The following instructions should also be fully noted. Incorrect handling may cause a malfunction, injury,

electric shock, etc.

(1) Wiring

CAUTION

Make sure to connect the cables and connectors by using the fixing screws and the locking mechanism.

Otherwise, the cables and connectors may be disconnected during operation.

Wire the equipment correctly and securely. Otherwise, the servo motor may operate unexpectedly.

To avoid a malfunction, connect the wires to the correct phase terminals (U/V/W) of the servo amplifier

and servo motor.

Connect the servo amplifier power outputs (U/V/W) to the servo motor power inputs (U/V/W) directly. Do

not connect a magnetic contactor, etc. between them. Otherwise, it may cause a malfunction.

Servo motor

Servo amplifier Servo motorServo amplifier

Configure a circuit to turn off EM2 or EM1 when the power supply is turned off to prevent an unexpected

restart of the servo amplifier.

To prevent malfunction, avoid bundling power lines (input/output) and signal cables together or running

them in parallel to each other. Separate the power lines from the signal cables.

A - 3

(2) Usage

CAUTION

Before resetting an alarm, make sure that the run signal of the servo amplifier is off in order to prevent a

sudden restart. Otherwise, it may cause an accident.

Use the servo amplifier with the specified servo motor.

Correctly wire options and peripheral equipment, etc. in the correct combination. Otherwise, an electric

shock, fire, injury, etc. may occur.

If the dynamic brake is activated at power-off, alarm occurrence, etc., do not rotate the servo motor by an

external force. Otherwise, it may cause a fire.

(3) Corrective actions

CAUTION

Ensure safety by confirming the power off, etc. before performing corrective actions. Otherwise, it may

cause an accident.

If it is assumed that a power failure, machine stoppage, or product malfunction may result in a hazardous

situation, use a servo motor with an electromagnetic brake or provide an external brake system for

holding purpose to prevent such hazard.

Configure an electromagnetic brake circuit which is interlocked with an external emergency stop switch.

Servo motor

Electromagnetic brake

Contacts must be opened

with the emergency stop switch.

Contacts must be opened when ALM

(Malfunction) or MBR (Electromagnetic

brake interlock) turns off.

24 V DC

When an alarm occurs, eliminate its cause, ensure safety, and deactivate the alarm before restarting

operation.

If the molded-case circuit breaker or fuse is activated, be sure to remove the cause and secure safety

before switching the power on. If necessary, replace the servo amplifier and recheck the wiring.

Otherwise, it may cause smoke, fire, or an electric shock.

Provide an adequate protection to prevent unexpected restart after an instantaneous power failure.

To prevent an electric shock, injury, or fire from occurring after an earthquake or other natural disasters,

ensure safety by checking conditions, such as the installation, mounting, wiring, and equipment before

switching the power on.

A - 4

«About the manual»

This Instruction Manual covers the following models.

MR-JE-_A

MR-JE-_B

MR-JE-_C

The symbols in the target column mean as follows.

[A]: MR-JE-_A

[B]: MR-JE-_B

[C]: MR-JE-_C

CONTENTS

1. SERVO AMPLIFIER TROUBLESHOOTING 1- 1 to 1-70

1.1 Explanations of the lists .................................................................................................................... 1- 1

1.2 Alarm list ........................................................................................................................................... 1- 3

1.3 Warning list ....................................................................................................................................... 1- 7

1.4 Remedies for alarms......................................................................................................................... 1- 9

1.5 Remedies for warnings .................................................................................................................... 1-44

1.6 Trouble which does not trigger an alarm/warning ........................................................................... 1-58

2. DRIVE RECORDER 2- 1 to 2- 8

2.1 How to use the drive recorder........................................................................................................... 2- 1

2.2 How to display drive recorder information ........................................................................................ 2- 7

APPENDIX App. - 1 to App. - 1

App. 1 Detection points of [AL. 25], [AL. 92], and [AL. 9F]...............................................................App.- 1

MEMO

1. SERVO AMPLIFIER TROUBLESHOOTING

1 - 1

1. SERVO AMPLIFIER TROUBLESHOOTING

POINT

As soon as an alarm occurs, turn SON (Servo-on) off and interrupt the power.

[AL. 37 Parameter error] and warnings (except [AL. F0 Tough drive warning])

are not recorded in the alarm history.

When an error occurs during operation, the corresponding alarm or warning is displayed. If an alarm is

displayed, refer to section 1.4 and take the appropriate action. When an alarm occurs, ALM (Malfunction)

turns off.

If any warning occurs, refer to section 1.5 and take the appropriate action.

1.1 Explanations of the lists

(1) No./Name/Detail No./Detail name

Indicates the No./name/detail No./detail name of alarms or warnings.

(2) Stop method

For the alarms and warnings in which "SD" is written in the stop method column, the servo motor stops

with the dynamic brake after forced stop deceleration. For the alarms and warnings in which "DB" or

"EDB" is written in the stop method column, the servo motor stops with the dynamic brake without forced

stop deceleration.

(3) Alarm deactivation

After the cause of the alarm has been removed, the alarm can be deactivated by any of the methods

marked in the alarm deactivation column. Warnings are automatically canceled after the cause of

occurrence is removed. Alarms are deactivated by alarm reset, CPU reset, or power cycling.

(a) MR-JE-_A

Alarm deactivation Explanation

Alarm reset 1. Turn on RES (Reset) with an input device.

2. Push the "SET" button while the display of the servo amplifier is in the current

alarm display mode.

3. Click "Occurring Alarm Reset" in the "Alarm Display" window of MR Configurator2.

Power cycling Turn off the power, check that the 5-digit, 7-segment LED display is off, and then

turn on the power.

(b) MR-JE-_B

Alarm deactivation Explanation

Alarm reset 1. Error reset command from the controller

2. Click "Occurring Alarm Reset" in the "Alarm Display" window of MR Configurator2.

CPU reset Reset the controller itself.

Power cycling Turn off the power, check that the 3-digit, 7-segment LED display is off, and then

turn on the power.

Alarm deactivation Explanation

Alarm reset 1. Turn on RES (Reset) with an input device.

2. Error reset command from the controller

3. Click "Occurring Alarm Reset" in the "Alarm Display" window of MR Configurator2.

Power cycling Turn off the power, check that the 3-digit, 7-segment LED display is off, and then

turn on the power.

1. SERVO AMPLIFIER TROUBLESHOOTING

1 - 2

(4) Alarm code

Alarm codes are outputted from the MR-JE-_A or MR-JE-_C. To output alarm codes, set [Pr. PD34] to "_

_ _ 1" for the MR-JE-_A or set [Pr. PD39] to "_ _ _ 1" for the MR-JE-_C. Warnings ([AL. 90] to [AL. F3])

do not have alarm codes. The alarm codes in the following table are outputted when they occur. The

alarm codes are not outputted in normal condition.

1. SERVO AMPLIFIER TROUBLESHOOTING

1 - 3

1.2 Alarm list

No. Name

Detail

No. Detail name

Stop

method

(Note 2,

Alarm deactivation Alarm code

(Note 5)

Alarm

reset

CPU

reset

Power

cycling

ACD2

(Bit 2)

ACD1

(Bit 1)

ACD0

(Bit 0)

Alarm

10 Undervoltage

10.1 Voltage drop in the power EDB 0 1 0

10.2 Bus voltage drop SD

12.1 RAM error 1 DB

12.2 RAM error 2 DB

12 Memory error 1 (RAM) 12.3 RAM error 3 DB 0 0 0

12.4 RAM error 4 DB

12.5 RAM error 5 DB

12.6 RAM error 6 DB

13.1 Clock error 1 DB

13 Clock error 13.2 Clock error 2 DB 0 0 0

13.3 Clock error 3 DB

14.1 Control process error 1 DB

14.2 Control process error 2 DB

14.3 Control process error 3 DB

14.4 Control process error 4 DB

14.5 Control process error 5 DB

14 Control process error 14.6 Control process error 6 DB 0 0 0

14.7 Control process error 7 DB

14.8 Control process error 8 DB

14.9 Control process error 9 DB

14.A Control process error 10 DB

14.C Control process error 12 DB

14.D Control process error 13 DB

15 Memory error 2

(EEP-ROM)

15.1 EEP-ROM error at power on DB

0 0 0

15.2 EEP-ROM error during operation DB

15.4 Home position information read

error DB

16.1

Encoder initial communication -

Receive data error 1 DB

16.2

Encoder initial communication -

Receive data error 2 DB

16.3

Encoder initial communication -

Receive data error 3 DB

16.5

Encoder initial communication -

Transmission data error 1 DB

16.6

Encoder initial communication -

Transmission data error 2 DB

Encoder initial

communication error 1

16.7 Encoder initial communication -

Transmission data error 3 DB

1 1 0

16.A Encoder initial communication -

Process error 1 DB

16.B

Encoder initial communication -

Process error 2 DB

16.C

Encoder initial communication -

Process error 3 DB

16.D

Encoder initial communication -

Process error 4 DB

16.E

Encoder initial communication -

Process error 5 DB

16.F

Encoder initial communication -

Process error 6 DB

17.1 Board error 1 DB

17.3 Board error 2 DB

17 Board error

17.4 Board error 3 DB 0 0 0

17.5 Board error 4 DB

17.6 Board error 5 DB

17.7 Board error 7 DB

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