The State Diagram - ABB ACS880 Firmware Manual

194 Fieldbus control through a fieldbus adapter

The state diagram


POWER ON
SWITCH-ON
INHIBITED
run enable = 1
READY TO
SWITCH ON
CW = x111
or 111x
CW = 0xx0
OPERATION
ENABLED
SWITCH-ON INHIBITED
Interlockings prevent starting and charging.
READY TO SWITCH ON
Main contactor open. No active interlockings that would prevent starting or
charging.
OPERATION ENABLED
Charged and running.
FAULT
Modulation stopped and main contactor open.
run enable = 0
Notation:
xxx: Any bit value combination.
SW:
CW:
SW = xxxx xxxx xxxx 0000
SW =
SW = xxxx xxxx xxxx 0111
SW = xxxx xxxx xxxx 1000
FAULT RESET
from any state
FAULT
FAULT
106.11 Main status word
106.01 Main control word
xxxx xxxx xxxx 0001