ABB ACS880 ESP, Firmware Manual

Page: 467 / 494

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
Drive Fieldbus
0