Communication profiles
55
Table 5. The Control Word for the PROFIdrive communication
profile. The upper case boldface text refers to the states shown in
Figure 11.
Bit Name Value Proceed to STATE/Description
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.
3 OPERATION_
ENABLE
1 Proceed to ENABLE OPERATION.
0 Inhibit operation. Proceed to OPERATION INHIBIT.
4RAMP_OUT_
ZERO
1 Normal operation.
Proceed to RAMP FUNCTION GENERATOR: ENABLE
OUTPUT.
0 Stop according to selected stop type.
5 RAMP_HOLD 1 Normal operation.
Proceed to RAMP FUNCTION GENERATOR: ENABLE
ACCELERATOR.
0 Halt ramping (Ramp Function Generator output held).
6RAMP_IN_
ZERO
1 Normal operation. Proceed to OPERATING.
Note: This bit is effective only if the fieldbus interface is
set as the source for this signal by drive parameters.
0 Force Ramp Function Generator input to zero.
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