Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 341

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
(b) Forced stop in the drive unit
When the forced stop is made valid in the drive unit, the drive unit in operation stops, Main circuit off
warning (E9) appears, and then the drive unit is forcedly stopped. Configure to activate the forced stop
of the drive unit as the forced stop of the converter unit is activated, and to activate the forced stop of the
converter unit as the forced stop of the drive unit is activated. Shut off the power supply by the external
sequence as soon as the forced stop is activated.
Servo motor speed
Base circuit
Electromagnetic brake
Forced stop command
(from controller) or
forced stop (EM1)
Main circuit
power supply
ON
OFF
Invalid (ON)
interlock (MBR)
Valid (OFF)
ON
OFF
ON
OFF
Dynamic brake
Dynamic brake
Electromagnetic brake
Electromagnetic brake
(10ms)
Electromagnetic brake
operation delay time
13 - 44
Electromagnetic brake release
(3s)
(3s)