Schneider Electric Processor Adapter - Manual (Page 179)

Using the I/OBus Port
870 USE 101 10 V.2 179
Pinouts
Interbus Cable The following illustration shows how to wire the connectors of the remote bus
cable:
Pin Wire Color Outgoing Connection Pin Wire Color Ingoing Connection
1 Yellow DO
Data Out 1 Yellow DO
Data Out
2 Gray DI
Data In 2 Gray DI
Data In
3 Brown Common 3 Brown Common*
4 GND
Reference conductor,
fiber-optic adapter 4 GND*
Reference conductor,
fiber-optic adapter
5 Vcc
Power-supply for fiber-
optic adapter 5 Vcc*
Power-supply for fiber-
optic adapter
6 Green DO_N
Data Out Negated 6 Green DO_N
Data Out Negated
7 Pink DI_N
Data In Negated 7 Pink DI_N
Data In Negated
8 Vcc
Additional power
supply for fiber-optic
adapter 8 Vcc*
Additional power
supply for fiber-optic
adapter
9 Plug identification 9 Not used
* Physically isolated