Start Sequence Of The Drive - ABB ACS6000 User Manual

8.8.1

Start sequence of the drive

1) NotReadyOn
2) ARU ReadyOn
3) ReadyOn
4) On command
5) Charging
6) ARU ReadyRef
7) ReadyRun
8) Start command
9) ReadyRef
10) Operation
3BHS212794 E01 REV M
• Only drives with an ARU (see the next step, ReadyOn, for
the conditions)
• Auxiliary power supply on
• Doors of medium voltage units closed and locked
• Drive is not grounded
• No emergency-off
• No fault
• WCU ready
• DC link charges
• MCB closes
• Cooling system switches on
• Only in drives with an ARU
• INU starts magnetizing (only in drives with an ARU)
• INU starts to modulate
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