SICK sensor one of the world’s leading producers of sensors and sensor solutions for industrial applications. SICK is a technology and market leader in Factory and Logistics Automation as well as Process Automation. The sensor range are: Laser Sensors, Cylinder Sensors, Photoelectric Sensors, Fork Sensors, Encoders, Color Sensors, Distance Sensor, Contrast Sensor, Color Sensor, Inductive Proximity Sensors, Fiber Optic Sensor with our signature range sick sensor intelligence.

Part Number:1047959
Photoelectric Sensor Model:WL12L-2B531
OEM Spec Ref 

Features

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Sensor/ detection principle Photoelectric retro-reflective sensor, autocollimation
Dimensions (W x H x D) 15 mm x 49 mm x 41.5 mm
Housing design (light emission) Rectangular
Sensing range max. 0 m … 18 m 1)
Type of light Visible red light
Light source Laser 2)
Light spot size (distance) Ø 0.8 mm (300 mm)
Wave length 650 nm
Laser class 1 3)
Adjustment Potentiometer
Special applications Detecting small objects

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  • 1) Reflector PL80A.
  • 2) Average service life: 50,000 h at TU = +25 °C.
  • 3) Pulse length 4 µs, max. pulse power < 5,0 mW.

Mechanics/electronics

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Supply voltage 10 V DC … 30 V DC 1)
Ripple < 5 Vpp 2)
Current consumption 55 mA 3)
Switching output PNP 4)

NPN 5)
Switching mode Light switching 4)

Dark switching 5)
Switching mode selector Selectable via L/D control cable
Signal voltage PNP HIGH/LOW Uv – < 2.9 V, Uv V / 0 V <= 1.5 V
Signal voltage NPN HIGH/LOW Uv – < 2.9 V, Uv V / 0 V <= 1.5 V
Output current Imax. ≤ 100 mA
Response time ≤ 500 µs 6)
Switching frequency 1,000 Hz 7)
Connection type Male connector M12, 5-pin
Circuit protection A 8)

C 9)

D 10)
Protection class III
Weight 130 g
Polarisation filter ✔
Housing material Metal
Optics material Plastic, PMMA
Enclosure rating IP67

IP69K
Items supplied 2 x clamps BEF-KH-W12, incl. screws
Ambient operating temperature –10 °C … +50 °C
Ambient temperature, storage –25 °C … +75 °C
UL File No. NRKH.E181493 & NRKH7.E181493

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  • 1) Limit values when operated in short-circuit protected network: max. 8 A.
  • 2) May not exceed or fall below Uv tolerances.
  • 3) Without load.
  • 4) 0 V or not connected, light switching.
  • 5) Uv, dark switching.
  • 6) Signal transit time with resistive load.
  • 7) With light/dark ratio 1:1.
  • 8) A = VS connections reverse-polarity protected.
  • 9) C = interference suppression.
  • 10) D = outputs overcurrent and short-circuit protected.

Safety-related parameters

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MTTFD 404 years
DCavg 0%

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