KEYENCE SR-751 Ethernet-compatible 2D Code Reader, Medium-distance Type

Type

Middle-range type

Receiver

Sensor

CMOS Image Sensor

Number of pixels

752 × 480 pixels

Lighting

Light source

Red LED

Laser pointer

Visible semiconductor laser, Wavelength 660 nm

Output

60 µW

Pulse duration

200 µs

Laser class

Class 1 Laser Product (IEC60825-1, FDA (CDRH) Part 1040.10^*1)

Reading specifications

Minimum resolution

2D

0.19 mm

Barcode

0.127 mm

Supported symbol

2D

QR, MicroQR, DataMatrix (ECC200), GS1 DataMatrix, PDF417, MicroPDF, Composite Code (CC-A, CC-B, CC-C)

Barcode

GS1DataBar,CODE39,ITF,NW-7 (Codabar),CODE128,GS1-128,JAN/EAN/UPC,CODE39 FullASCII,
CODE93,2of5 (Industrial 2of5),COOP 2of5,Trioptic CODE39

Reading distance (typical examples)

DataMatrix QR

45 to 165 mm
(Cell size
= 0.5 mm)

Barcode

45 to 195 mm
(Narrow bar width
= 0.5 mm)

Focal distance

100 mm

Field of view (at focal distance)

70.6 mm × 45.0 mm

I/O specifications

Control input

Number of inputs

2

Input type

Bidirectional voltage input

Maximum rating

26.4 VDC

Minimum ON voltage

15 VDC

Maximum OFF current

0.2 mA or less

Control output

Number of outputs

3

Output type

Photo MOS relay output

Maximum rating

30 VDC

Maximum load current

1 output: 50 mA or less, Total of 3 outputs: 100 mA or less

Leakage current when OFF

0.1 mA or less

Residual voltage when ON

1 V or less

Ethernet

Communication standard

10BASE-T/100BASE-TX

Supported protocol

TCP/IP, FTP, SNTP, BOOTP, EtherNet/IP™^*2, PROFINET^*3, MC protocol, KV STUDIO

Serial communication

Communication standard

RS-232C compliant

Transmission speed

9600, 19200, 38400, 57600, 115200 bps

Supported protocol

Non-procedural, MC protocol, SYSWAY, KV STUDIO

Rating

Power voltage

Control port: 24 VDC ±10 % or Ethernet port: PoE TypeA/B 36 to 57 V (Cannot supply at the same time)^*4

Current consumption

Control port: 220 mA (When 24 VDC power supply is used)
Ethernet port: PoE Power Class 2^*5

Environmental resistance

Enclosure rating

IP65

Ambient light

Sunlight: 10,000 lux, Incandescent lamp: 6,000 lux, Fluorescent lamp: 2,000 lux

Ambient temperature

0 to +45 °C

Storage temperature

-10 to +50 °C

Relative humidity

35 to 95 % RH (No condensation)

Storage relative humidity

Operating environment

No dust or corrosive gas present

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 55 to 500 Hz, Acceleration 5G, 3 hours in each of the X, Y, and Z directions

Weight

Approx. 160 g

^*1 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice.
^*2 EtherNet/IP™ is a trademark or registered trademark of ODVA.
^*3 PROFINET is a trademark or registered trademark of PROFIBUS International.
^*4 To comply with CSA No.61010-1/UL61010-1/IEC61010-1, use the following power supply.
- one that provides Class 2 output as defined in the CEC and NEC, or
- one that has been evaluated as a Limited Power Source as defined in CAN/CSA-C22.2 No.60950-1/UL60950-1/IEC60950-1.
^*5 Peak operating current for PoE Power Class 2: 210 mA maximum.