3.3 Pin allocation for Rugged Line plug
Bus, fibre optic cable (FOC)
OUT
Incoming FOC:
OUT =
Transmitted data
Wire colour = black
IN =
Received data
Wire colour = orange
Continuing FOC (FB21 only):
OUT = Transmitted data
Wire colour = orange
IN =
Received data
Wire colour = black
Festo CPX-M-FB20/21-Z6 1202a English
Operating voltage
IN
1 = 24 V supply
Electronics, inputs
2 = 0 V electronics, inputs
3 = 24 V supply
Valves, outputs
4 = 0 V valves, outputs
5 = Functional earth
2 5
3
4
1
23