Communication profiles
57
Table 4. The Control Word for the PROFIdrive communication
profile (PROFIBUS Parameter 967). The upper case boldface text
refers to the states shown in Figure 4.
Bit Name Value
Proceed to STATE/Description
Speed control mode Positioning mode
0 ON 1 Proceed to READY TO OPERATE.
OFF1 0 Emergency OFF, stop by the selected deceleration ramp.
Proceed to OFF1 ACTIVE; proceed further to READY
TO SWITCH ON unless other interlocks (OFF2, OFF3)
are active.
1 OFF2 1 Continue operation (OFF2 inactive).
0 Emergency OFF, coast to stop.
Proceed to OFF2 ACTIVE; proceed further to SWITCH-
ON INHIBIT.
2 OFF3 1 Continue operation (OFF3 inactive).
0 Emergency stop, stop according to fastest possible
deceleration mode. Proceed to OFF3 ACTIVE; proceed
further to SWITCH-ON INHIBIT. Warning: Ensure motor
and driven machine can be stopped using this stop
mode.
3OPERATION_
ENABLE
1 Proceed to ENABLE OPERATION.
0 Inhibit operation. Proceed to OPERATION INHIBIT.
4ENABLE_
RAMP_
GENERATOR
or
TRAVERSING
_TASK
1 Normal operation.
Proceed to RAMP
FUNCTION GENERATOR:
ENABLE OUTPUT.
Normal operation.
Do not reject traversing
task.
0 Stop according to selected
stop type.
Reject traversing task.
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