Fieldbus control through a fieldbus adapter 467
Scaling of actual values
The actual values are scaled as shown below. The values REFx MIN and REFx MAX
are set by parameters 46.01...46.04 which scaling is in use depends on the setting of
parameters 50.04 and 50.05.
Contents of fieldbus Control word
The upper case boldface text refers to the states shown in the state diagram
(page 470).
Bit Name Value STATE/Description
0 Off1 control 1 Proceed to READY TO OPERATE.
0
Stop along currently active deceleration ramp. Proceed to OFF1
ACTIVE; proceed to READY TO SWITCH ON unless other
interlocks (OFF2, OFF3) are active
.
1 Off2 control 1 Continue operation (OFF2 inactive).
0 Emergency OFF, coast to a stop.
Proceed to OFF2 ACTIVE, proceed to SWITCH-ON INHIBITED.
2 Off3 control 1 Continue operation (OFF3 inactive).
0 Emergency stop, stop within time defined by drive parameter.
Proceed to OFF3 ACTIVE; proceed to SWITCH-ON INHIBITED.
WARNING: Ensure motor and driven machine can be
stopped using this stop mode.
3 Run 1 Proceed to OPERATION ENABLED.
Note: Run enable signal must be active; see drive documentation.
If the drive is set to receive the Run enable signal from the fieldbus,
this bit activates the signal.
0 Inhibit operation. Proceed to OPERATION INHIBITED.
REFx MAX
-(REFx MAX)
0
ACT: -10000
ACT: -20000
ACT2: 10000
ACT1: 20000
DriveFieldbus
0
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