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