ACH550 E-Clipse Bypass User’s Manual 2-183
Embedded fieldbus
1OFF2
CONTROL
1 OPERATING Continue operation (OFF2 inactive)
0 EMERGENCY OFF Drive coasts to stop.
Normal command sequence:
• Enter
OFF2 ACTIVE
• Proceed to SWITCHON INHIBITED
2OFF3
CONTROL
1 OPERATING Continue operation (OFF3 inactive)
0 EMERGENCY STOP Drive stops within in time specified by
drive parameter 2208.
Normal command sequence:
• Enter
OFF3 ACTIVE
• Proceed to SWITCH ON INHIBITED
WARNING! Be sure motor and bypass
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 bypass
parameter 1601. If 1601 is set to COMM,
this bit also actives the Run Enable
signal.)
0
OPERATION
INHIBITED
Inhibit operation. Enter OPERATION
INHIBITED
4 Unused (ABB DRV LIM)
RAMP_OUT_
ZERO
(
ABB DRV FULL)
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 bypass
parameter 1604 =
COMM.
0 OPERATING Continue normal operation
8…9 Unused
ABB Drives Profile (EFB)
CONTROL WORD
Bit Name Value
Commanded
State
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