1-270 ACH550-UH User’s Manual
Fieldbus adapter
2OFF3
CONTROL
1 OPERATING Continue operation (OFF3 inactive)
0 EMERGENCY STOP Drive stops within in time specified by
parameter 2208.
Normal command sequence:
• Enter OFF3 ACTIVE
• Proceed to SWITCH ON INHIBITED
WARNING! Be sure motor and driven
equipment can be stopped using this
mode.
3 INHIBIT
OPERATION
1 OPERATION
ENABLED
Enter OPERATION ENABLED (Note the Run
enable signal must be active. See 1601. If
1601 is set to COMM, this bit also actives
the Run Enable signal.)
0
OPERATION
INHIBITED
Inhibit operation. Enter OPERATION
INHIBITED
4 RAMP_OUT_
ZERO
1 NORMAL OPERATION Enter RAMP FUNCTION GENERATOR:
ACCELERATION ENABLED
0 RFG OUT ZERO Force ramp function generator output to
Zero. Drive ramps to stop (current and DC
voltage limits in force).
5 RAMP_HOLD 1 RFG OUT ENABLED Enable ramp function.
Enter
RAMP FUNCTION GENERATOR:
ACCELERATOR ENABLED
0 RFG OUT HOLD Halt ramping (Ramp Function Generator
output held)
6 RAMP_IN_
ZERO
1
RFG INPUT ENABLED Normal operation. Enter OPERATING
0 RFG INPUT ZERO Force Ramp Function Generator input to
zero.
7 RESET 0=>1
RESET Fault reset if an active fault exists (Enter
SWITCH-ON INHIBITED). Effective if 1604 =
COMM.
0
OPERATING Continue normal operation
8…9 Unused
10 REMOTE_CMD 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 1102 =
COMM.
0
EXT1 SELECT Select external control location 1 (EXT1).
Effective if 1102 =
COMM.
12…15 Unused
ABB Drives Profile (FBA)
CONTROL WORD
Bit Name Value
Commanded
State
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