Omron ZEN Operation Manual page 61

Wiring
DC Power Supplies
24 VDC, 6.5 W
24 VDC, 6.5 W
24 VDC, 6.5 W
38
CPU Units with 10 I/O Points
Connecting a Negative Common (V1 CPU Units)
COM
CPU Unit with
10 I/O points
Connecting Analog Input Devices (Input Range: 0 to 10 V)
to Input Terminals I4 and I5
COM
CPU Unit with
10 I/O points
Connecting Positive Common (V1 CPU Units Only)
COM
CPU Unit with
10 I/O points
Note: Supply power to the COM
terminal at the same time as
to the power supply terminal.
Input device
DC power supply
Note: When connecting an analog
input device, always connect
the negative side to the COM
terminal.
Note: 1. If a positive common is used,
analog input devices cannot
be connected to I4 and I5.
2. Supply power to the COM
Input device
terminal at the same time as
to the power supply terminal.
Section 2-2