Festo CPX-M-FB20 Manual page 29

1. Installation
Plugs
OUT
IN
Plugs
OUT
IN
Tab. 1/6: Connection assignment of bus connection (remote bus)
Festo P.BE-CPX-FB20/21-EN en 1202a
Pin Bus connection (fibre optic cable) in first Rugged Line plug,
incoming
OUT Transmitted data, wire colour = black
IN Received data, wire colour = orange
Pin Bus connection (fibre optic cable) in second Rugged Line plug,
continuing (FB21 only)
OUT Transmitted data, wire colour = orange
IN Received data, wire colour = black
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