Omron SYSMAC C28K - Page 32

25
A separate power supply must be used for the DC inputs.
Relay contact outputs
Transistor outputs
Inputs (24 VDC)
Power
supply
(24 VDC)
NCNC
Ground
Not in C20K Not in C20K or C28K
Not in C20K
Not in C20K or C28K
High–
speed
counter
input
NC: Do not connect the NC terminals to anything.
COM +
24 VDC
M3.5 screws
7.5 max.
7.5 max.
Load
power
supply
Load
power
supply
Load
power
supply
Load
power
supply
Load
power
supply
Load
power
supply
Load
power
supply
NCNC
Hardware
reset input
CPU C20P, C28P, C40P
(CD_–D)
I/O Wiring Section 2–6