KEYENCE LR-W500C

Product Introduction:​ The KEYENCE LR-W500C is a compact, high-performance photoelectric sensor utilizing a white LED full-spectrum light source. It is designed to detect targets based on color, surface finish, and shape variations without being affected by target color or glossiness, making it ideal for complex industrial detection tasks where standard sensors fail.

Category:
Description
Technical Specifications & Performance Parameters:
  • Detection Range:​ 30 to 500 mm (1.18″ to 19.69″)
  • Light Source:​ White LED
  • Minimum Spot Diameter:​ Adjustable; approx. ø3.5 mm at 100 mm, ø9 mm at 250 mm, ø18 mm at 500 mm
  • Response Time:​ Selectable 200 µs / 1 ms / 10 ms / 100 ms / 500 ms
  • Power Supply:​ 10 to 30 V DC (including 10% ripple P-P, Class 2 or LPS)
  • Current Consumption:​ 65 mA max (at 24 V DC no load), 120 mA max (at 12 V DC no load)
  • Control Output:​ NPN or PNP open collector selectable (30 V DC max, 50 mA max, residual voltage 2 V max), N.O./N.C. selectable
  • External Input:​ Tuning / Light emission OFF selectable
  • Timer Functions:​ OFF / ON-delay / OFF-delay / One-shot
  • Mutual Interference Reduction:​ Up to 2 units when alternate frequencies are set
  • Protection Circuits:​ Power reverse connection, power surge, output overcurrent, output surge, output reverse connection
  • Enclosure Rating:​ IP65 / IP67 (IEC 60529)
  • Ambient Light Resistance:​ Incandescent lamp 10,000 lux max, Sunlight 20,000 lux max
  • Operating Temperature:​ -20 to +50 °C (no freezing)
  • Relative Humidity:​ 35 to 85% RH (no condensation)
  • Vibration/Shock Resistance:​ 10 to 55 Hz double amplitude 1.5 mm (2 hrs per axis) / 1,000 m/s² (6 times per axis)
  • Weight:​ Approx. 110 g
  • Connection:​ M12 4-pin connector
  • Communication:​ IO-Link V1.1 / COM2 (38.4 kbps) compatible
Material Composition & Structure:
  • Case:​ Zinc die-cast (Nickel-Chrome plating)
  • Indicator Cover:​ PPSU (Polyphenylsulfone)
  • Buttons:​ PES (Polyethersulfone)
  • Lens Cover and Display:​ PMMA (Acrylic, scratch-resistant coating)
  • Spot Adjustment Dial:​ Iron (Triiron tetraoxide coated)
  • Connector Ring:​ PMP (Polymethylpentene)
  • Connector Socket:​ PEI (Polyetherimide)
  • Cable Bushing (on cable types):​ PBT (Polybutylene terephthalate)
Functional Features & Working Principle:
  • Working Principle:​ Emits a full-spectrum white light and receives reflected light to analyze differences in spectral reflection characteristics (color, gloss, surface texture) for stable detection regardless of target properties.
  • One-Touch Calibration:​ Auto-tuning function automatically determines optimal detection settings for the target.
  • Adjustable Spot:​ Variable spot diameter allows precise focusing on small parts or wider coverage for larger objects.
  • Selectable I/O:​ Supports both NPN and PNP outputs in a single unit, simplifying inventory and standardization.
Application Scenarios:
  • Product differentiation based on color and surface finish variations
  • Registration mark detection on films, labels, and curved surfaces
  • Part presence detection inside molds, dies, and assembly stations
  • Detection of rounded or irregular targets on moving conveyors
  • Coating or treatment verification in quality control processes
Installation Requirements & Usage Notes:
  • Standard mounting pitch of 25.4 mm compatible with existing brackets.
  • M12 4-pin connector allows quick disconnect for easy replacement.
  • When alternate frequencies are set for mutual interference reduction, response time increases by approx. 20%.
  • Ensure power supply ripple does not exceed 10% P-P to maintain stability.
  • Avoid exposing the lens to harsh chemicals or abrasive cleaning to preserve the scratch-resistant coating.
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