Stop Sequence Of The Drive - ABB ACS6080 User Manual

8.9.2

Stop sequence of the drive

1) Operation
2) Ready ref
3) Stop command
4) Stopping
5) Off command
6) Ready run
7) ARU Ready on
8) Ready to switch on
9) Not ready to switch on
3BHS842007 E01 REV C
• 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
ACS6080 USER MANUAL
08 OPERATION
176/238