Omron NX-AD series - Wiring Examples; Wiring the Analog Input Units

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4 Installation and Wiring
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
4-4 Wiring Examples
4
4-4-1 Wiring the Analog Input Units
4-4 Wiring Examples
This section gives wiring examples for the Analog Input Units and Analog Output Units and precautions
for wiring.
z Wiring Example 1 (Input method: Single-ended input)
z Wiring Example 2 (Input method: Differential input)
4-4-1 Wiring the Analog Input Units
Input +
24 V (Sensor power supply +)
0 V (Sensor power supply − / Input −)
Three-wire sensor
IOV
IOG
IOV
IOG
IOV
IOG
IOV
IOG
Additional I/O
Power Supply Unit
NX-PF0630
Input1+
IOG
IOV
IOV
A1 B1
A8 B8
IOG
Input2+
IOG
IOV
IOV
IOG
Voltage Input Unit
NX-AD3603
24 VDC
A1 B1
A8 B8
Input3+ Input4+
Input +
Input −
Input1+
Input2+
A1 B1
A8 B8
Input3+ Input4+
Input5+ Input6+
Input7+ Input8+
Input1−
Input2−
Input3− Input4−
Input5− Input6−
Input7− Input8−
Current Input Unit
NX-AD4204