ABB ACS2000 - Stop Sequence

8-6 (18) 2UEA001270 Rev. F ACS2000 User manual
Chapter 8 - Local operation
8.4.3 Stop sequence
Not ready on
Ready run
Ready on
Ready ref
Off command
Operation
AFE Ready on
Stop command
Speed ramps down
INU stops to modulate
Stop command to AFE
Actions:
Auxiliary supply is switched off
Drive is grounded
Stopping
(480 VAC)
2
5
4
3
1
MV switchgear opens
DC link discharges
Fan switches off
after a delay