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Contents of the fieldbus Control word (ABB Drives profile)
The upper case boldface text refers to the states shown in the state diagram (page
STATE/Description
Value
Name
Bit
Proceed to READY TO OPERATE.
1
Off1 control
0
Stop along currently active deceleration ramp. Proceed
to OFF1 ACTIVE; proceed to READY TO SWITCH ON
unless other interlocks (OFF2, OFF3) are active.
0
Continue operation (OFF2 inactive).
1
Off2 control
1
Emergency OFF, coast to a stop.
0
Proceed to OFF2 ACTIVE, proceed to SWITCH-ON IN-
HIBITED.
Continue operation (OFF3 inactive).
1
Off3 control
2
Emergency stop, stop within time defined by drive
parameter.
0
Proceed to OFF3 ACTIVE; proceed to SWITCH-ON IN-
HIBITED.
WARNING!
Ensure motor and driven machine can be stopped
using this stop mode.
Proceed to OPERATION ENABLED.
1
Run
3
Note: Run enable signal must be active. If the drive is
set to receive the Run enable signal from the fieldbus,
this bit activates the signal. See also parameters
and
.
Inhibit operation. Proceed to OPERATION INHIBITED.
0
Normal operation. Proceed to RAMP FUNCTION GEN-
ERATOR: OUTPUT ENABLED.
1
Ramp out zero
4
Force Ramp function generator output to zero. The
drive will immediately decelerate to zero speed (ob-
serving the torque limits).
0
Enable ramp function.
1
Ramp hold
5
Proceed to RAMP FUNCTION GENERATOR: ACCELER-
ATOR ENABLED.
Halt ramping (Ramp Function Generator output held).
0
Normal operation. Proceed to OPERATING.
1
Ramp in zero
6
Note: This bit is effective only if the fieldbus interface
is set as the source for this signal by drive parameters.
Force Ramp function generator input to zero.
0
Fieldbus control through a fieldbus adapter 735
Содержание ACS880 Series
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