Appendices
A-16
CP1E CPU Unit Hardware User’s Manual(W479)
The first input word allocated to the Expansion I/O Unit is CIO m and the first output word is CIO n.
 
A-3-2 Expansion I/O Units
8-point Input Unit
Input Wiring Diagram Output Wiring Diagram
Outputs not provided.
8-point Output Units
Input Wiring Diagram Output Wiring Diagram
Inputs not provided.
z Relay Outputs 
CP1W-8ER
24V DC 
24V DC 
- 
+ 
+ 
- 
- 
+ 
+ 
- 
CIO m
COM 01 03
00 02
COM 05 07
04 06
The COM terminals 
on the upper terminal 
block and the COM 
terminals on the lower 
terminal block are 
internally connected, 
but they must also be 
wired externally.
Unit Upper Terminal Block Unit Lower Terminal Block
L L
L L
L L
L L
CIO n
Unit Lower Terminal Block
24V DC
24V DC
Unit Upper Terminal Block
COM 01 03
00 02
COM 05 07
04 06