2D Code ReaderSR-500 series


Compact 2D Code Reader, High-resolution Type

[Discontinued model]

This model has been discontinued.

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High-resolution type

I/O specifications

Trigger/preset input

No-voltage input (with contacts, without contacts) for each input * TTL input is also possible.

Judgment output


4-output (OK, NG, ERROR, and BUSY) NPN open collector

Rated load

24 VDC, 30 mA

Leakage current (at OFF)

0.1mA or less

ON residual voltage

0.8V or less

Serial interface

Communication method

Conforms to EIA RS-232C

Communication speed

9,600, 19,200, 38,400, 57,600, 115,200 bps

Synchronisation between the transmitter and receiver


Data bit length

7 or 8 bits

Stop bit length

1 bit or 2 bits

Parity check

None, odd, even

Laser pointer specifications

Light source

Visible semiconductor laser (655 nm)


600 µW

Pulse duration

200 µs

Reading specifications

Reading distance (typical examples)

QR: 24 to 30 mm (cell size: 0.08 mm), 20 to 34 mm (cell size: 0.127 mm), 16 to 43 mm (cell size: 0.25 mm); DataMatrix: 25 to 29 mm (cell size: 0.08 mm), 21 to 34 mm (cell size: 0.127 mm), 20 to 40 mm (cell size: 0.25 mm)

Reading view range

18.5 × 13.9 mm (distance: 29 mm)

Laser pointer specifications

Laser Class

Class 1 (JIS C6802)


Supported codes

CODE39; ITF; Industrial 2 of 5; COOP 2 of 5; NW-7; CODE128; GS1-128 (EAN-128); CODE93; JAN, EAN, UPC (add-on code support); Trioptic CODE39; GS1 Databar (RSS); QR code; Micro QR; DataMatrix (ECC200); PDF417; MicroPDF; MaxiCode; composite symbol (CC-A, CC-

Minimum resolution

2D code: 0.08 mm



5 VDC + 5% to 10%

Current consumption

400mA or less

Environmental resistance

Enclosure rating


Operating ambient temperature

0 to +45°C

Ambient temperature for storage

-10 to +50°C

Operating ambient humidity

35 to 85%RH (no condensation)

Operating ambientluminance

Sunlight: 10000 lux, Incandescent lamp: 6000 lux, Fluorescent lamp: 2000 lux

Operating environment

No dust or corrosive gas present


10 to 55 Hz, 1.5 mm double amplitude for 3 hours in each of the X, Y, and Z directions


Approx. 274 g (including the cable)

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