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42 Modbus/TCP – Communication profiles
Status word contents
The table below shows the contents of the Status word for the ABB Drives
communication profile. The upper case boldface text refers to the states shown on
page 44.
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
Value
STATE/Description
1
READY TO SWITCH ON
0
NOT READY TO SWITCH ON
1
READY TO OPERATE
0
OFF1 ACTIVE
1
OPERATION ENABLED
0
OPERATION INHIBITED
1
FAULT
0
No fault
1
OFF2 inactive
0
OFF2 ACTIVE
1
OFF3 inactive
0
OFF3 ACTIVE
1
SWITCH-ON INHIBITED
0
–
1
Warning/Alarm
0
No warning/alarm
1
OPERATION. Actual value equals reference (= is within tolerance
limits, i.e., in speed control, speed error is 10% max. of nominal
motor speed).
0
Actual value differs from reference (= is outside tolerance limits).
1
Drive control location: REMOTE (EXT1 or EXT2)
0
Drive control location: LOCAL
1
Actual frequency or speed equals or exceeds supervision limit
(set by drive parameter). Valid in both directions of rotation.
0
Actual frequency or speed within supervision limit
1
External Control Location EXT2 selected. Note concerning
ACS880: This bit is effective only if the fieldbus interface is set
as the target for this signal by drive parameters. User bit 0 se-
lection (06.33)
0
External Control Location EXT1 selected
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