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8.4
Remote operation with external
position sensor
In this variant, the positioner does not have a position sensor in
the form of an angle of rotation sensor but has an external remote
sensor.
The Type 8798 remote sensor is connected using a serial digital
interface.
8.4.1 Attachment accessories
There are two options for attaching the positioner in remote ope-
ration (see "Fig. 16").
Installation on a standard
rail
Holder for standard rail
installation
Order number 675702
Fig. 16: Attachment types in remote operation
24
Wall installation
Hoop for wall installation
Order number 675715
english
Type 8791 REV.2
Attachment and assembly
8.4.2 Connection and start-up of the remote
sensor Type 8798
WARNING!
Risk of injury due to improper start-up.
▶ Start-up may be carried out by authorised technicians only
and with the appropriate tools.
Risk of injury due to unintentional activation of the system
and uncontrolled restart.
▶ Secure the system against unintentional activation.
▶ Ensure a controlled restart after installation.
→ Connect the 4 wires of the sensor cable to the screw-type
terminals of the positioner intended for this (see Chapter
"10.3.5 Terminal assignment for external position sensor (only
remote variant)").
→ Mount the remote sensor on the actuator.
The proper procedure is described in the quickstart for the
Type 8798 remote sensor.
→ Pneumatically connect the positioner to the actuator.
→ Connect compressed air to the positioner.
→ Switch on the positioner supply voltage.
→ Perform theX.TUNE function.
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