382 Fieldbus control through the embedded fieldbus interface (EFB)
State transition diagrams
State transition diagram for the ABB Drives profile
The diagram below shows the state transitions in the drive when the drive is using the
ABB Drives profile and the drive is configured to follow the commands of the control
word from the embedded fieldbus interface. The upper case texts refer to the states
which are used in the tables representing the fieldbus Control and Status words.
See sections Control Word for the ABB Drives profile on page 377 and Status Word
for the ABB Drives profile on page 380.
11 REVERSE_ACT 1 Not yet implemented.
0 Not yet implemented.
12 PANEL_LOCAL 1 Panel/keypad (or PC tool) is in local control mode.
0 Panel/keypad (or PC tool) is not in local control mode.
13 FIELDBUS_LOC
AL
1 Fieldbus is in local control mode.
0 Fieldbus is not in local control mode.
14 EXT2_ACT 1 External control location EXT2 is active.
0 External control location EXT1 is active.
15 FAULT 1 Drive is faulted.
0 Drive is not faulted.
16 ALARM 1 Warning/Alarm is active.
0 No warning/alarm.
17 Reserved
18 Reserved for
DIRECTION_LO
CK
Not yet implemented.
19 Reserved
20 Reserved
21 Reserved
22 USER_0 Status bits that can be combined with drive logic for
application-specific functionality.
23 USER_1
24 USER_2
25 USER_3
26 REQ_CTL 1 Control is requested in this channel.
0 Control is not requested in this channel.
27 …
31
Reserved
Bit Name Value State/Description
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