MITSUBISHI ELECTRIC MR-J2S- A - Manual (Page 68)

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3. SIGNALS AND WIRING
Control
mode
Signal Symbol
Connector
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