SICK Photoelectric Sensor

SICK Photoelectric Sensor WT12L-2B550

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The W12L-2 series of photoelectric sensors features laser technology that is optimally designed for individual applications. These sensors provide reliable object detection, fast response times and are enclosed in a rugged metal housing, which is ideal for use in all types of industrial applications.
At a glance-
• Best-in-class retro-reflective laser performance in a metal housing.
• Teflon® coating available.
• Precise autocollimation optics.
• Adjustable focus on retro-reflective sensors.
• High switching frequency of 2.5 kHz.
• Connection via cable or rotatable connector.
• Mounting options with through holes, blind holes, oblong holes and dovetail.
• Laser protection class 1 or 16.

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Description

SICK Photoelectric Sensor WT12L-2B550

TECHNICAL DATA-

Features-

Functional principle Photoelectric proximity sensor
Functional principle detail Background suppression
Sensing range max. 30 mm … 200 mm 1)
Emitted beam
Light source Laser 2)
Type of light Visible red light
Light spot size (distance) Ø 0.2 mm (100 mm)
Key laser figures
Normative reference EN 60825-1:2014, IEC 60825-1:2007
Laser class 2 3)
Key LED figures
Wave length 650 nm
Adjustment Potentiometer
Special applications Detecting small objects, Detection of objects moving at high speeds
Items supplied 2 x clamps BEF-KH-W12, incl. screws
  • 1)Object with 18% remission (based on standard white, DIN 5033).
  • 2)Average service life: 50,000 h at TU = +25 °C.
  • 3)Pulse length 4 µs, max. pulse power < 5,0 mW.
Electrical data
Supply voltage UB 10 V DC … 30 V DC 1)
Ripple < 5 Vpp 2)
Current consumption 55 mA 3)
Protection class III
Digital output
Type PNP 4)
NPN 5)
Signal voltage PNP HIGH/LOW Uv – < 2 V, Uv / 0 V, <= 1.5 V
Signal voltage NPN HIGH/LOW Uv – < 2 V, Uv / 0 V, <= 1.5 V
Output current Imax. ≤ 100 mA
Response time ≤ 200 µs 6)
Switching frequency 2,500 Hz 7)
Switching mode Light switching 4)

Dark switching 5)
Switching mode selector Selectable via L/D control cable
Circuit protection A 8)

C 9)

D 10)
  • 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.
Mechanical data-
Housing Rectangular
Dimensions (W x H x D) 15 mm x 49 mm x 41.5 mm
Connection Male connector M12, 5-pin
Material
Housing Metal
Front screen Plastic, PMMA
Weight 130 g
Ambient data
Enclosure rating IP67

IP69K
Ambient operating temperature –10 °C … +50 °C
Ambient temperature, storage –25 °C … +75 °C
UL File No. NRKH.E181493 & NRKH7.E181493