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As described earlier, the contents of the STATUS WORD is status information, sent by the drive to the master station. The
following table and the state diagram later in this sub-section describe the 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
SWC_ON_INHIB
7
ALARM
8
AT_SETPOINT
9
REMOTE
10
ABOVE_LIMIT
11
EXT CTRL LOC
12
EXT RUN
ENABLE
13-
Not in use
15
E.17.4 State diagram
MN796 - ACB530
ABB Drives Profi le (FBA) STATUS WORD
Value
(Correspond to states/boxes in the state diagram)
1
READY TO SWITCH ON
0
NOT READY TO SWITCH ON
1
READY TO OPERATE
0
OFF1 ACTIVE
1
OPERATION ENABLED
0
OPERATION INHIBITED
0...1
FAULT
0
No fault
1
OFF2 inactive
0
OFF2 ACTIVE
1
OFF3 inactive
0
OFF3 ACTIVE
1
SWITCH-ON INHIBITED
0
Switch-on inhibit not active
1
Alarm
0
No alarm
1
OPERATING. Actual value equals (within tolerance limits) the reference value.
0
Actual value differs from reference value (= is outside tolerance limits).
1
Drive control location: REMOTE (EXT1 or EXT2)
0
Drive control location: LOCAL
1
Supervised parameter value exceeds the supervision high limit. Bit value is 1
until the supervised parameter value falls below the supervision low limit.
0
Supervised parameter value falls below the supervision low limit. Bit value is
0 until the supervised parameter value exceeds the supervision high limit.
1
External control location EXT2 selected
0
External control location EXT1 selected
1
External Run enable signal received
0
No external Run enable received
STATE/Description
Fieldbus Communications E-29
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