Omron CP1H CPU Operation Manual page 172

CP-series Expansion I/O Unit Wiring
Output Wiring
8-point Input Units (CP1W-8ED/CPM1A-8ED)
Input Wiring
138
CP1W-16ET (Sinking Transistor Outputs)
Upper Terminal Block
NC COM COM COM
NC 00 01
L L
CP1W-16ET1 (Sourcing Transistor Outputs)
Upper Terminal Block
CIO n+1
NC COM COM COM
NC 00 01 02
L
L L
CIO n+1
Unit Upper Terminal Block
24 VDC
−
+
+ −
COM 01 03
00 02
CIO n+1
L L
04 06 COM
02 03 05 07
L L L L
CIO n+1
L L
04 06 COM
NC
03 05 07
L L
L
Unit Lower Terminal Block
04 06
COM 05 07
−
+
−
+
24 VDC
Section 3-6
Lower Terminal Block
CIO n+2
L L L L
NC 00 02 04 05
NC COM 01 03 COM 06
L
L L
CIO n+2
Lower Terminal Block
CIO n+2
L L L L
NC 00 02 04 05
COM 01 03 COM 06
L L
L
CIO n+2
The Unit's upper terminal block COM
and lower terminal block COM are
connected internally, but connect them
externally as well.
L
07 NC
NC
L L
07 NC
NC