The Status Word - ABB ACS 400 User Manual

The Status Word

Holding Register: 40004
The Status Word is a read-only word containing information of the ACS 400 status.
The contents of Status Word is presented in the following table. The text in italics refers to the
states in Figure 43.
Table 22 The Status Word.
Bit Value
0 1
READY TO SWITCH ON
0
NOT READY TO SWITCH ON
1 1
READY TO OPERATE
0 1
OFF
2 1
OPERATION ENABLED
0 Not ready (
3 0 - 1
FAULT
0 No fault
4 1 2 inactive
OFF
0 2
OFF
5 1 3 inactive
OFF
0 3
OFF
6 1
SWITCH
0
7 1 Any alarm except AL1-AL7, AL15, AL27, and AL28.
0 No alarm
8 1
OPERATING
limits).
0 Actual value differs from reference value (= is outside tolerance limits)
9 1 Drive control location:
0 Drive control location:
10 1 The value of first supervised parameter equals to or is greater than
supervision limit. Refer to Group 32 Supervision.
0 The value of first supervised parameter is below supervision limit
11 1 External control location 2 (
0 External control location 1 (
12 1 Run Enable signal received
0 No Run Enable signal received
13 to 15 Unused
110
ACTIVE
OPERATION INHIBITED
ACTIVE
ACTIVE
-
ON INHIBITED
. Actual value equals reference value (= is within tolerance
REMOTE
LOCAL
EXT
EXT
Description
)
2) selected
1) selected
ACS 400 User's Manual