Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 340

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
(3) Forced stop (EM1) ON/OFF timing chart
(a) When control function of magnetic controller is enabled
1) Converter unit
When the forced stop is made valid in the converter unit, the magnetic contactor is turned off and the
main circuit power supply is shut off. The drive unit in operation stops, and Main circuit off warning
(E9) appears. When the forced stop is deactivated in the converter unit, the magnetic contactor is
turned on, the main circuit power is supplied, and then the drive unit automatically resumes the
operation.
Servo motor speed
Base circuit
Electromagnetic brake
Converter main circuit
off warning
Main circuit
power supply
Forced stop (EM1)
2) When CNP1 is invalid
When the forced stop is input in the converter unit, the drive unit in operation stops and Main circuit
off warning (E9) appears. When the forced stop is deactivated in the converter unit, the drive unit
automatically resumes the operation.
Servo motor speed
Base circuit
Electromagnetic brake
Converter main circuit
off warning
Main circuit
power supply
Forced stop (EM1)
ON
OFF
Invalid (ON)
interlock (MBR)
Valid (OFF)
ON
OFF
ON
OFF
Invalid (ON)
Valid (OFF)
ON
OFF
Invalid (ON)
interlock (MBR)
Valid (OFF)
ON
OFF
ON
OFF
Invalid (ON)
Valid (OFF)
Dynamic brake
Dynamic brake
Electromagnetic brake
Electromagnetic brake
(10ms)
Electromagnetic brake
operation delay time
Dynamic brake
Dynamic brake
Electromagnetic brake
Electromagnetic brake
(10ms)
Electromagnetic brake
operation delay time
13 - 43
Electromagnetic brake release
(3s)
(3s)
(3s)
Electromagnetic brake release
(3s)
(3s)
(3s)