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Units with DC Power Supply
Note: 1. Be sure to connect the COM terminal before turning ON the power supply. If the COM terminal is disconnected, or if the wiring is changed
after turning ON the power supply, a malfunction may occur.
2. Apply the power supply voltage through a relay or switch in such a way that the voltage reaches the rated value within 4 s. If the voltage
is applied gradually, the power may not be reset or unstable output operations may result.
CPU Units with 10 I/O Points
For Connections to Negative (−) Common (PNP Connection)
12 to 24 VDC
COM
CPU Unit with 10 I/O points
For Connecting Analog Input Devices to Input Terminals I4 and I5
12 to 24 VDC
COM
I 0
I1
I 2
I3
CPU Unit with 10 I/O points
Note: When connecting an analog input device, always connect the negative side to the COM terminal.
For Connections to Positive (+) Common (NPN Connection)
12 to 24 VDC
−
+
COM
I0
I1
I2
I3
CPU Unit with 10 I/O points
Note: When connected to the positive (+) common, I4 and I5 cannot be used as analog inputs.
Input device
I4
I5
Input
device
I4
I5
ZEN V2 Units
Programmable Relay
13
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