Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 335

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
3) When controlling magnetic contactor by external sequence
When an alarm occurs, turn OFF the magnetic contactor by the external sequence and shut off the
main circuit power supply.
ON
Drive unit control
power supply
OFF
ON
Converter unit control
power supply
OFF
ON
Main circuit
power supply
OFF
ON
Base circuit
OFF
ON
Servo-on command
(from controller)
OFF
(3s)
13 - 38
10ms 95ms