Omron CP1E Series User Manual page 215

3
Wire the CompoBus/S communications path.
BD L
BD L
BD H
CP1E CPU Unit Hardware User's Manual(W479)
9 Using Expansion Units and Expansion I/O Units
These terminals are not used. They can
however be used as communications power
BD H NC (BS+)
supply relay terminals.
NC (BS−) NC
Connect the CompoBus/S Communications Cable.
9
9-55