1. Installation
1−24
Festo P.BE−CPX−FB13−EN en 0811c
1.4 Bus connection with terminating resistors
Note
If the CPX terminal is at the beginning or end of the field
bus segment, a bus termination will be required.
· Fit a bus termination to both ends of a bus segment.
Recommendation:
Use the ready−to−use field bus plugs from Festo for the bus
termination. A suitable resistor network is incorporated in the
housing of this plug (see Fig.1/7).
Receive/send data P
(data cable B)
Receive/send data N
(data cable A)
390
390
220
Pin 6: Supply voltage
Pin 5: Data reference potential
Pin 3
Pin 8
120 nH
120 nH
Fig.1/7: Circuit diagram for bus termination network for
cable type A as per EN 50170 (switch in Festo field
bus plug set to ON)
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