Festo CPX Series Manual page 39

1. Installation
PLC or switch
TP1 TP2
1
1
Switch port, e.g. of the PLC
(crossover" pin allocation)
2
Terminal port of an I/O device
Fig. 1/4: Wiring of the I/O devices for Fast Start−up" with deactivated crossover"
detection or autonegotiation" (configuration example)
Festo P.BE−CPX−PN IO−EN en 1008b
Note pin allocation TP2
Deactivation of the crossover detection changes the pin
allocation of the outgoing port TP2 to crossover".
Choose the network line (patch cable or crossover cable)
depending on the circuitry of the connected devices
(I/O devices).
Make sure that the function
·
Autonegotiation/Autocrossover" is deactivated in your
control software before placing the system in operation
(see section 2.6.4).
If necessary, the function Autonegotiation/Autocrossover"
·
must also be deactivated on the hardware−side, in the
basic setting of your controller (PLC) or switches or
routers in between: Check this with the port settings.
I/O device
TP1
3 2
3
TP2
3
Patch cable
I/O device
TP1 TP2
2
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