ACH550-UH User’s Manual 1-251
Embedded fieldbus
ABB drives profile
The following table and the state diagram later in this sub-section describe the status
word content for the ABB Drives Profile.
ABB Drives Profile (EFB) STATUS WORD
Bit Name Value
Description
(Correspond to states/boxes in the state diagram)
0 RDY_ON 1
READY TO SWITCH ON
0 NOT READY TO SWITCH ON
1 RDY_RUN 1 READY TO OPERATE
0 OFF1 ACTIVE
2 RDY_REF 1 OPERATION ENABLED
0 OPERATION INHIBITED
3 TRIPPED 0…1 FAULT
0No fault
4 OFF_2_STA 1 OFF2 INACTIVE
0 OFF2 ACTIVE
5 OFF_3_STA 1 OFF3 INACTIVE
0 OFF3 ACTIVE
6SWC_ON_INHIB 1 SWITCH-ON INHIBIT ACTIVE
0 SWITCH-ON INHIBIT NOT ACTIVE
7 ALARM 1 Warning/alarm (See “Alarm Listing” in the “Diagnostics”
section for details on alarms.)
0 No warning/alarm
8 AT_SETPOINT 1
OPERATING. Actual value equals (within tolerance limits)
the reference value.
0 Actual value is outside tolerance limits (not equal to
reference value).
9 REMOTE 1 Drive control location:
REMOTE (EXT1 or EXT2)
0 Drive control location: LOCAL
10 ABOVE_LIMIT 1 Supervised parameter’s value > supervision high limit.
Bit remains “1” until supervised parameter’s value <
supervision low limit.
See group 32, Supervision
0 Supervised parameter’s value < supervision low limit.
Bit remains “0” until supervised parameter’s value >
supervision high limit.
See group 32, Supervision
11 EXT CTRL LOC 1 External control location 2 (
EXT2) selected
0 External control location 1 (
EXT1) selected
12 EXT RUN ENABLE 1 External Run Enable signal received
0 No External Run Enable signal received
13… 15 Unused
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