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Communication UnitN-R2/R4/UB/L20 series

Communication unit Ethernet connection type



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Display I/F

11-point LED display (Head RD, Head SD, Ethernet Link, Power (Capable of multi-color representation), 6 I/O terminals, Error)

Code reader power supply

5 VDC ±5% (650 mA)

Terminal block


Number of inputs

2 inputs (IN1 and IN2)

Input type

Bidirectional voltage input

Maximum rating

26.4 VDC

Minimum ON voltage

15 VDC

Maximum OFF current

1 mA


Number of outputs

4 outputs (OUT1 to 4)

Output type

Photo MOS relay output

Rated load

30 VDC, 100 mA

Leakage current when OFF

0.1 mA or less

Residual voltage when ON

1 V or less

Communication specifications

Communication standard

Ethernet: IEEE 802.3 compliant, 10BASE-T/100BASE-TX
USB: USB2.0 Full Speed compliant

Supported protocol

Ethernet: TCP, UDP, FTP, BOOTP, EtherNet/IPTM, PROFINET, KV STUDIO, MC protocol, OMRON PLC link


USB: 1 point (Mini-B)


Power voltage

24 VDC +10 %, -20 %

Current consumption

380 mA or less

Environmental resistance

Ambient temperature

0 to +50 °C 32 to 122 °F (No freezing)

Storage temperature

-20 to +60 °C -4 to 140 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Operating environment

No dust or corrosive gases present

Vibration resistance

10 to 55 Hz, Double amplitude 0.3 mm 0.01", 2 hours in each of the X, Y, and Z directions


Approx. 150 g

*1 Supported protocol: TCP, UDP, FTP, BOOTP, EtherNet/IPTM, PROFINET, KV STUDIO, MC protocol, OMRON PLC link.

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