The Sick light sensor is a background-suppression retro-reflective photoelectric sensor. It detects objects at a maximum range of 1–500 mm, with a second sensing range of 1–350 mm, and uses visible red light from an LED emitter.

• Detection principle: Background-suppression retro-reflective photoelectric
• Sensing range: 1–500 mm and 1–350 mm
• Light source: Visible red light, LED
• Light spot size: Ø 20 mm at 400 mm
• Diffusion angle: Approx. 1.5°
• Wavelength: 645 nm
• Adjustment: 270° potentiometer for sensing range
• Supply voltage: 10–30 V DC
• Ripple: ±10%
• Power consumption: ≤ 30 mA
• Output: PNP
• Switching mode: Light/dark
• Output mode selection: Via L/D control wire
• PNP signal: High/low, approx. UV - 1.8 V/0 V
• Maximum output current: ≤ 100 mA
• Response time: ≤ 0.5 ms
• Switching frequency: 1,000 Hz
• Connection: M12, 4-pin connector
• Protection circuits: A, B, D
• Protection class: III
• Ingress protection rating: IP67
• Housing: Chrome-plated brass and polycarbonate
• Optical system: Plastic, PMMA
• Housing shape: Cylindrical, axial
• Length: 69.8 mm
• Thread: M18 x 1
• Optical axis: Axial
• Weight: 47 g
• Operating temperature: –25 to +55 °C
• Storage temperature: –40 to +70 °C
• Package contents: 2 mounting nuts