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08 OPERATION
3BHS212794 E01 REV M
ACS6000
USER MANUAL
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8.8.3
Emergency-off sequence
8.8.4
Prevention of unexpected startup sequence
1) Operation
2) ReadyRef
3) Emergency-off command
• Stop command to ARU (only in drives with an ARU)
• MCB opens
• INU stops modulating
• Speed coasts down
4) Emergency-off
1) Operation
2) ReadyRef
3) Prevention of unexpected startup command
• Drives stops according to Ramp, Torque, and Ramp
stop modes
• Open disconnector
• Prevention of unexpected startup complete
• Drive remains charged, MCB closed
4) INU operation prevention feedback