Omron CP1E Series - Page 215

9-55
9 Using Expansion Units and Expansion I/O Units
CP1E CPU Unit Hardware User’s Manual(W479)
9-5 CompoBus/S I/O Link Units
9
9-5-4 Flow of Processing
3 Wire the CompoBus/S communications path.
BD L
BD H
Connect the CompoBus/S Communications Cable.
BD L
BD H
NC (BS+)
NC NC (BS−)
These terminals are not used. They can
however be used as communications power
supply relay terminals.