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Communication Unit

N-R2/R4/UB/L20 series

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Display I/F

11-point LED display (Head RD, Head SD, Ethernet Link, Power (Capable of multi-colour 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


Head port

Number of inputs

1 (12-pin round connector)

Supported communication standards

RS-232C compliant

Communication speed

4800, 9600, 19200, 31250, 38400,57600, 115200 bit/s

4800, 9600, 19200, 31250, 38400, 115200 bit/s

4800, 9600, 19200, 38400,57600, 115200 bit/s

Data bit length

7/8 bits

Stop bit length

1/2 bits

Parity check


Communication specifications

Communication standard

RS-232C compliant

RS-422A/RS-485 (Maximum connectable units: 31) Switchable

USB 2.0 (Full-Speed
12 Mbps)

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


1 (D-sub 9-pin connector)

1 (removable 5-pole connector)

1 (USB - Type B)

USB: 1 point (Mini-B)


Output interface

Total extension length

15 m or less
(including the head cable)

1.2km or less

5m or less


Power voltage

24 VDC +10 %, -20 %

Current consumption

380 mA or less

Environmental resistance

Ambient temperature

0 to +50 °C (No freezing)

Storage temperature

-20 to +60 °C (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Operating environment

No dust or corrosive gas present

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

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


Approx. 135 g

Approx. 135 g (excluding connector)

Approx. 155 g

Approx. 150 g

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

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