Rockwell Automation RECOMM-IBUS Interbus Communications Module - Manual (Page 16)

3-2 Interbus Communications Module
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Table 3.1 – Bus In Connector (From Previous Node on the Network)
Terminal Name Description
1 /DO1 Receive
2 DO1 Receive
3 /DI1 Transmit
4 DI1 Transmit
5 GND Ground Connection
6 PE Protective Earth
Table 3.2 – Bus Out Connector (To Next Node on the Network)
Terminal Name Description
1 /DO2 Receive
2 DO2 Receive
3 /DI2 Transmit
4 DI2 Transmit
5 GND 1 Ground Connection
6 RBST 1 Termination
7 PE Protective Earth
1 Connect GND to RBST if the module is NOT the last module on the bus. If
the connection is not made, the module will terminate the outgoing bus.