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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
2) When CNP1 is invalid
When the forced stop (EM1) is input in the converter unit, the drive unit in operation stops and Main
circuit off warning (E9) appears. When the forced stop (EM1) is deactivated in the converter unit, the
drive unit automatically resumes the operation.
(3s)
(3s)
(3s)
Electromagnetic brake
interlock (MBR)
(10ms)
ON
OFF
Base circuit
ON
OFF
Servo motor speed
Converter main circuit
off warning
ON
OFF
Main circuit
power supply
ON
OFF
Forced stop (EM1)
Invalid (ON)
Valid (OFF)
Dynamic brake
Dynamic brake
Electromagnetic brake
Electromagnetic brake
Electromagnetic brake
operation delay time
Electromagnetic brake release
(Note)
Note. ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated