Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 426

15. MR-J3W-0303BN6 SERVO AMPLIFIER
(1) Timing chart
(a) When an all-axis stop alarm occurred
ON
Main circuit
power
OFF
Control circuit
ON
Base circuit
OFF
ON
Dynamic brake
OFF
ON
Servo-on command
A-axis
(from controller)
OFF
ON
Alarm
OFF
ON
Reset command
OFF
ON
Base circuit
OFF
ON
Dynamic brake
OFF
ON
Servo-on command
B-axis
(from controller)
OFF
ON
Alarm
OFF
ON
Reset command
OFF
Power on
Note 1. It is different according to the operation status.
2. The dynamic brake does not operate while the control circuit power supply is cut.
The brake operates during the time set in Pr. PF12.
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
1.5s
Fault cause
removed
Occurrence of Alarm reset
all axis stop alarm
Power ON
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
Reset operation
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
50ms or
more
Fault cause
removed Alarm reset
Occurrence of
all axis stop alarm
15 - 21
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
Base circuit Base circuit
ON ON (EDB)
Brake operation
Servo-on
command
Occurrence of
No alarm
all axis stop alarm
Reset operation
50ms or
60ms (Note 1)
more
Main circuit power Main circuit power
supply shut-off supply on
(Note 2)
Power ON
Base circuit
ON
No alarm
Base circuit
ON
No alarm