ABB ACH550-UH User Manual page 252

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ABB drives profile
The following table and the state diagram later in this sub-section describe the
CONTROL WORD
Bit
0
1
2
3
4
5
6
Embedded fieldbus
content for the ABB Drives Profile.
ABB Drives Profile (EFB)
Name Value
OFF1 1
CONTROL
0
OFF2 1
CONTROL
0
OFF3 1
CONTROL
0
INHIBIT 1
OPERATION
0
Unused ( )
ABB DRV LIM
RAMP_OUT_ 1
ZERO
( )
ABB DRV FULL
0
RAMP_HOLD 1
0
RAMP_IN_ 1
ZERO
0
CONTROL WORD
Commanded
State
Enter
READY TO OPERATE
Drive ramps to stop according to currently
EMERGENCY OFF
active deceleration ramp (2203 or 2205)
Normal command sequence:
• Enter
• Proceed to
unless other interlocks (
active.
Continue operation (OFF2 inactive)
OPERATING
Drive coasts to stop.
EMERGENCY OFF
Normal command sequence:
• Enter
• Proceed to
Continue operation (OFF3 inactive)
OPERATING
Drive stops within in time specified by
EMERGENCY STOP
parameter 2208.
Normal command sequence:
• Enter
• Proceed to
WARNING! Be sure motor and driven
equipment can be stopped using this
mode.
Enter
OPERATION
enable signal must be active. See 1601. If
ENABLED
1601 is set to
the Run Enable signal.)
Inhibit operation. Enter
OPERATION
INHIBITED INHIBITED
Enter
NORMAL OPERATION
ACCELERATION ENABLED
Force ramp function generator output to
RFG OUT ZERO
Zero. Drive ramps to stop (current and DC
voltage limits in force).
Enable ramp function.
RFG OUT ENABLED
Enter
ACCELERATOR ENABLED
Halt ramping (Ramp Function Generator
RFG OUT HOLD
output held)
Normal operation. Enter
RFG INPUT ENABLED
Force Ramp Function Generator input to
RFG INPUT ZERO
zero.
ACH550-UH User's Manual
Comments
READY TO OPERATE
1
OFF ACTIVE
READY TO SWITCH ON
2,
OFF
2
OFF ACTIVE
SWITCHON INHIBITED
3
OFF ACTIVE
SWITCH ON INHIBITED
(Note the Run
OPERATION ENABLED
, this bit also actives
COMM
OPERATION
RAMP FUNCTION GENERATOR
RAMP FUNCTION GENERATOR
OPERATING
,
3) are
OFF
:
: