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Communication profiles

Table 10. 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 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).

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ABB FPBA-01 Bedienungsanleitung Seite 55