Mitsubishi Electric Melservo MR-J3-A Instruction Manual page 399

14. ABSOLUTE POSITION DETECTION SYSTEM
(3) At the time of alarm reset
If an alarm occurs, turn OFF the servo-on (SON) by detecting the alarm output (ALM).
If an alarm has occurred, the ABS transfer mode (ABSM) cannot be accepted.
In the reset state, the ABS transfer mode (ABSM) can be input.
Servo-on
(SON)
Reset
(RES)
ABS transfer mode
(ABSM)
ABS request
(ABSR)
ABS transmission
data ready
(ABST)
Transmission
(ABS) data
Base circuit
Alarm output
(ALM)
Ready
(RD)
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Occurrence of alarm
During transfer of ABS
14 - 14
ABS data
95[ms]
Operation
enabled