Omron ZEN Operation Manual page 63

Wiring
24 VDC, 6.5 W
COM
24 VDC, 6.5 W
+ −
COM
Note
40
Connecting Analog Input Devices (Input Range: 0 to 10 V)
to Input Terminals Ia and Ib
I0 I1 I2 I3 I4 I5 NC
CPU Unit with
20 I/O points
Connecting Positive Common (V1 CPU Units Only)
I0 I1 I2 I3 I4 I5 NC
Expansion I/O Units
24 VDC, 6.5 W
Expansion I/O Unit
(with DC Power Input)
Either a positive or negative common can be connected with
Expansion I/O Units.
−
I6 I7 I8 I9 Ia Ib
Note: 1. If a positive common is used,
Input device
I6 I7 I8 I9 Ia Ib
ON ≥ 16 V
Input device
OFF ≤ 5 V
Section 2-2
DC power supply
+
analog input devices cannot
be connected to Ia and Ib.
2. Supply power to the COM
terminal at the same time as
to the power supply terminal.
ON ≥ 16 V
OFF ≤ 5 V