ABB ACH550-01 User Manual page 164

Status Word. The Status Word is a 16-bit word containing status
information, sent by the drive to the fieldbus controller. The
following table and the state diagram on page
Status Word content.
Bit Name
0 RDY_ON
1 RDY_RUN
2 RDY_REF
3 TRIPPED
4 OFF_2_STA
5 OFF_3_STA
6 SWO_ON_INHIB 1
7 ALARM
8 AT_SETPOINT
9 REMOTE
152
Status Word
Description (corresponds to states/boxes
Value
in the state diagram)
1
READY TO SWITCH ON
0
NOT READY TO SWITCH ON
1
READY TO OPERATE
0 1
OFF ACTIVE
1
OPERATION ENABLED
0 (
NOT READY
0...1
FAULT
0 No fault
1 2
OFF INACTIVE
0 2
OFF ACTIVE
1 3 inactive
OFF
0 3
OFF ACTIVE
-
SWITCH ON INHIBITED
0
1 Alarm is active.
0 No alarm
1 . Actual value equals reference
OPERATING
value (= is within tolerance limits).
0 Actual value differs from reference value (= is
outside tolerance limits).
1 Drive control location:
0 Drive control location:
ACH550 User's Manual
154 describe the
OPERATION INHIBITED
(
REMOTE
(
LOCAL REM
Serial communications
)
)
AUTO
)