148 ACH580 E-Clipse bypass and packaged drive user manual
Embedded fieldbus
DCU profile
The following tables describe the CONTROL WORD content for the DCU profile.
10 Unused (ABB DRV LIM)
REMOTE_CMD
(ABB DRV
FULL)
1 Fieldbus control enabled.
0 • CW 0 or Ref 0: Retain last CW and
Ref.
• CW = 0 and Ref = 0: Fieldbus control
enabled.
• Ref and deceleration/acceleration ramp
are locked.
11 EXT CTRL LOC 1 EXT2 SELECT Select external control location 2 (EXT2).
Effective if drive parameter 19.11 = EFB
MCW bit 11.
0 EXT1 SELECT Select external control location 1 (EXT1).
Effective if drive parameter 19.11 = EFB
MCW bit 11.
12…15 Unused
DCU Profile CONTROL WORD
Bit Name Value Command/Req. Comments
0 STOP 1 Stop Stops according to either the stop
mode parameter or the stop mode
requests (bits 7 and 8).
Simultaneous STOP and START
commands result in a stop command.
0 (no op)
1START 1 Start
0 (no op)
2 REVERSE 1 Reverse direction Setting this bit forces the reference to
be negative regardless of the sign of
the reference sent over fieldbus. If the
bit is cleared, the direction is set
according to the ABB Drives Profile
reference table on page 180.
0 Forward direction
3 LOCAL 1 Local mode When the fieldbus sets this bit, it steals
control and the bypass moves to
fieldbus local control mode.
0 External mode
4 RESET -> 1 Reset Edge sensitive.
other (no op)
5 EXT2 1 Switch to EXT2
0 Switch to EXT1
6 RUN_DISABLE 1 Run disable Inverted run permissive.
0 Run permissive on
7 STPMODE_R 1 Normal ramp stop
mode
0 (no op)
ABB Drives Profile (EFB) CONTROL WORD
Bit Name Value
Commanded
State
Comments
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