Wiring Precautions

Section 3-6

3-6-2 Connecting I/O Devices

Input Devices

Use the following information for reference when selecting or connecting input devices.

DC Inputs

The following types of DC input devices can be connected.

Contact output

Two-wire DC output

Sensor power supply

NPN open-collector output

IN

DC input

 

COM

IN

DC input

+ COM +

+

Sensor power supply

Output

7mA

0V

IN DC input

COM +

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Omron FQM1-MMP21, FQM1-CM001, FQM1-MMA21 operation manual Connecting I/O Devices, Input Devices, Com +