Omron CPM2A - 11-2005 Manual page 80

Wiring and Connections
CPM1A-20EDR1, CPM1A-20EDT, and CPM1A-20EDT1
Terminals 00 through 11 of "mCH" correspond to bits 00 through 11 of word IR m.
24 VDC
CPM1A-8ED
Terminals 00 through 07 of "mCH" correspond to bits 00 through 07 of word IR m.
Note Although the commons are connected internally, they must all be wired.
24 VDC
04
05
Section 3-4
Input
devices
Input
devices
06
07
61