IM-P343-22 CH Issue 2
9
2.3.8 It is now necessary to fit the options board. Firstly ensure all elements of the yellow
changeover switch SW1 are set at position 'B'. Prepare the ribbon cable by ensuring
that the connector is at right angles to the options PCB, ready for insertion into the main
PCB socket, (only required with 4 - 20 mA retransmit option). Plug the Pepperl and Fuchs
switch sockets onto the options board connectors. The PF1 socket should be engaged in
the PF1 connector. The PF2 socket should be connected to the PF2 connector (refer to
Fig. 9a).
Fig. 9a
PF1 socket
connection
PF2 socket
connection
SW1 set at position B
Ribbon cable
connector
Potentiometer
mounting
bracket
PF1 switch
sensor
PF2 switch
sensor
Fig. 9b
2.3.9 Secure the PF2 switch connector wire behind the potentiometer mounting bracket
(refer to Fig. 9b).
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