OPEN CLOSE STOP
Figure 18:
.
Actuator control is possible in open-close duty (OPEN – CLOSE - STOP)
only. Modulating duty is not possible.
.
Operation commands can be issued via the fieldbus or via the external
inputs. Switch-over is made via BUS/REMOTE input (see below).
.
Operation commands are made in self-retaining only.
Information In the e
vent of loss of bus communication, the external inputs do not auto-
matically take over!
Information Please refer to the AUMATIC AC 01.1/ACExC 01.1 Profibus DP manual
(Device integration Fieldbus) for details on feedback signals.
Switching between operation commands via fieldbus and external inputs
Ò Apply 0 V DC (input open) at B
US/REMOTE input:
Controls react to fieldbus signals only.
Ò Apply + 24 V DC at BUS/REMOTE input.
Controls reacts to external input signals only:
MODE, CLOSE, OPEN, STOP, EMERGENCY, ANIN1 (the available
external inputs depend on the parameter setting).
82
Actuator controls
AUMATIC AC 01.1/ACExC 01.1 Profibus DP Manual
Figure 18
1 External inputs 2 Fieldbus interface
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