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Signals and wiring – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual

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3. SIGNALS AND WIRING

Control

mode

Signal

Symbol

Connec-

tor pin

No.

Functions/Applications

I/O

division

P

S

T

To use this signal, set " 1" in parameter No.49.
This signal is output when an alarm occurs. When there is no
alarm, respective ordinary signals (RD, INP, SA, ZSP) are output.
Alarm codes and alarm names are listed below:

(Note) Alarm code

CN1B

19 Pin

CN1A

18 Pin

CN1A

19 Pin

Alarm

display

Name

88888

Watchdog

AL.12

Memory error 1

AL.13

Clock error

AL.15

Memory error 2

AL.17

Board error

AL.19

Memory error 3

AL.37

Parameter error

AL.8A

Serial communication
timeout

0

0

0

AL.8E Serial communication error

AL.30

Regenerative error

0

0

1

AL.33

Overvoltage

0

1

0

AL.10

Undervoltage

AL.45

Main circuit device

AL.46

Servo motor overheat

AL.50

Overload 1

0

1

1

AL.51

Overload 2

AL.24

Main circuit error

1

0

0

AL.32

Overcurrent

AL.31

Overspeed

AL.35

Command pulse frequency
alarm

1

0

1

AL.52

Error excessive

AL.16

Encoder error 1

AL.1A Monitor combination error

AL.20

Encoder error 2

1

1

0

AL.25

Absolute position erase

Alarm code

ACD 0

ACD 1

ACD 2

CN1A

19

CN1A

18

CN1B

19

Note. 0: off

1: on

DO-1