Festo CPX-FB14 Electronic Manual page 37

1. Installation
1 Screening
connection,
cable clip
2
Only connected
capacitively
3 CPX field bus
node (smaller
than actual size)
4 Pin assignment in
the socket
5 Continuing field
bus if used as a
T-adapter
Fig. 1/6: Sub-D socket from Festo: Pin assignment and screening connection
en 0206NH
Festo P.BE-CPX-FB14-GB
Sub-D socket from Festo
A floating screening connection is intended with the sub-D
socket from Festo:
Clamp the screening/shield of the field bus cable under
•
the cable clip on the sub-D socket.
The diagram below shows the pin assignment in the Festo
sub-D socket.
1
2
MS PS
NS PL
IO SF
M
3
Please note
The cable clip in the Festo sub-D socket is connected inter-
nally only capacitively with the metallic external ring of the
socket. This is to prevent equalizing currents flowing
through the screening of the field bus cable (Fig. 1/6).
4
5
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