Stop Sequence Of The Drive - ABB ACS6000 User Manual

8.8.2

Stop sequence of the drive

1) Operation
2) ReadyRef
3) Stop command
4) Stopping
5) Off command
6) ReadyRun
7) ARU ReadyOn
8) ReadyOn
9) NotReadyOn
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• Speed ramps down
• INU stops modulating
• Stop command to ARU (only in drives with an ARU)
• MCB opens
• DC link discharges
• Cooling system switches off after a delay
• Only in drives with an ARU
• Drive is grounded
• Doors in medium voltage units are released for opening
• Auxiliary power supply switched off
ACS6000 USER MANUAL
08 OPERATION
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