Omron SYSMAC C20K Installation Manual page 37

I/O Wiring
I/O Unit C20P/C28P/C40P (EA_–A)
Power
supply
Relay contact outputs
(100 to
240 VAC)
Triac outputs
M3.5 screws
7.5 max.
7.5 max.
Inputs (100 VAC)
I/O Unit C20P/C28P/C40P
(ED_–D)
Power
supply
Relay contact outputs
(24 VDC)
Triac outputs
M3.5 screws
7.5 max.
7.5 max.
Inputs (24 VDC)
30
Load Load Load
power power power
Ground
supply supply supply
NC
NC
A separate power supply must be used for the DC inputs.
Load Load Load
power power power
supply supply supply
Ground
NC
NC
Not in C20K
Load Load
power power
supply supply
Not in C20K or C28K
Not in C20K
100 to 120 VAC
Not in C20K
Load Load
power power
supply supply
Not in C20K Not in C20K or C28K
Section 2–6
Not in C20K or C28K
Load Load
power power
supply supply
24 VDC
output
(0.2 A max.)
COM
Not in C20K or C28K
Load Load
power power
supply supply