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Communication profiles
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Table 7. The Control Word for the ABB Drives communication
profile. The upper case boldface text refers to the states shown in
Figure 9 .
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 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 INHIBIT_
OPERATION 1 Proceed to OPERATION ENABLED .
Note: Run enable signal must be active; see the
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 .
4 RAMP_OUT_
ZERO 1 Normal operation. Proceed to RAMP FUNCTION
GENERATOR: OUTPUT ENABLED .
0 Force Ramp Function Generator output to zero.
Drive ramps to stop (current and DC voltage limits in
force).