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Sick WL8G-N2231 Overview



Photoelectric reflex switch WL8G-N2231 for transparent objects, red light, polarization filter, NPN, light/dark switching, sensitivity adj. potentiometer, plug M8 4 pin, incl. reflector and mounting bracket

Sick WL8G-N2231 Description



  • Autocollimation
  • Red PinPoint LED
  • Standard miniature housing with M3 threaded mounting holes
  • Light/dark switching selectable via rotary switch
  • Adjustable sensing range
  • All necessary accessories (BEF-W100-A and P250) are included with delivery
  • Your benefits

  • Reliable object detection of transparent objects even at the shortest distances (no blind spot) or through narrow gaps
  • Highly visible light spot makes alignment quick and easy
  • Reliable detection of all materials, including small and/or transparent objects, min. attenuation 15 %
  • All necessary accessories (bracket and reflector) are included with delivery, reducing installation and procurement costs
  • M3 mounting hole provides quick installation

Features
Dimensions (W x H x D)::11 mm x 31 mm x 20 mm
Sensing range max.: 0 m ... 3 m 1)
Sensing range: 0 ... 1.7 m 2)
Housing desig (light emission):Cuboid, Slim
Light source:LED 3)
Type of light:visible red light
Wave length:650 nm
Sensitivity adjustment:Potentiometer, 270
Sensor/detection principle:Photoelectric retro-reflective sensor, autocollimation
Light spot (distance):O 70 mm (2 m)
Alarm output:-
1) 2) PL80A 3) Average service life of 100,000 h at TA = +25 C
Mechanics/electronics
Enclosure rating:IP 67
Supply voltage:10 V DC ... 30 V DC 1)
Residual ripple: 10 % 2)
Power consumption:≤ 30 mA 3)
Switching output:NPN, light/dark-switching, manually selectable, open collector
Output current Imax.:100
Response time:≤ 0.5 ms 4)
Switching frequency:1,000 5)
Connection type:Connector M8, 4-pin
Circuit protection:A
B
D 6) 7) 8)
Weight:10 g
Housing material:ABS
Optics material:PMMA
Ambient temperature, operation:-25 C ... 55 C
Ambient temperature, storage:-40 C ... 70 C
Polarisation filter:
Items supplied:Stainless steel mounting bracket (1.4301/304) BEF-W100-A, Reflector P250
Signal voltage NPN HIGH / LOW:approx. VS / < 1.8 V
Focus adjustable:-
Voltage supply-LED:-
Output state-LED:-
Attenuation along light beam:≤ 20 %
Special Design:for transparent objects
Front screen heating:-
AS-Interface-Chip:-
Anti-interference:0
1) Limit values, operation in short-circuit protected network max. 8 A 2) May not exceed or fall short of VS 3) Without load 4) Signal transit time with resistive load 5) With light/dark ratio 1:1 6) A = VS connections reverse-polarity protected 7) B = inputs and output reverse-polarity protected 8) D = outputs overcurrent and short-circuit protected


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