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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 con verter unit, the drive unit in operation stops a nd Main
circuit off warning (E9) appears. When the force d stop (EM1) is deactivated in the converter un it, the
drive unit automatically resumes the operatio n.
(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