Mitsubishi Electric MELSERVO-J3 Series Manual page 441

14. OPTIONS AND AUXILIARY EQUIPMENT
Forward
rotation
Servo motor
0r/min
rotation
Present
ALM
Absent
ON
Base
OFF
ON
RA1
OFF
Invalid
Dynamic brake
Valid
Short
Forced stop
(EMG)
Open
Servo motor speed
Base circuit
Electro magnetic
brake interlock(MBR)
ALM
Main circuit
Control circuit
RA1
Dynamic brake
Note 1. When powering OFF,the RA1 of external dynamic brake circuit will be turned OFF,
and the base circuit is turned OFF earlier than usual before an output shortage occurs.
(Only when assigning the DB as the output signal in the parameter No.PD12 and PD14)
2. Variable according to the operation status.
c. Timing chart when both of the main and control circuit power are OFF
Coasting
a. Timing chart at alarm occurrence
Forward
rotation
0r/min
(Note 1)7ms
ON
OFF
Invalid (ON)
Valid (OFF)
(Note 2)15 to 60ms
Invalid
Valid
ON
Power
OFF
ON
OFF
Invalid (ON)
Valid (OFF)
Dynamic brake
Coasting
Dynamic brake
Electro magnetic
brake interlock
10ms
Electro magnetic
brake operation
delay time
14 - 56
Coasting
Dynamic brake
b. Timing chart at Forced stop (EMG) validity