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Photoelectric Retro-Reflective Sensor | 4m Sensing Range | PinPoint LED | IP66/IP67 Rated | by SICK
The Photoelectric Retro-Reflective Sensor is designed for industrial automation, featuring a sensing range of up to 4 meters and a PinPoint LED light source for precise detection. With a robust IP66/IP67 rating and a wide operating temperature range from -40 °C to +60 °C, this sensor is perfect for packaging lines and conveyor systems, ensuring reliable object detection in demanding environments.
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Technical Specifications
- Functional principle: Photoelectric retro-reflective sensor without reflector minimum distance
- Sensing range: 0 to 4 meters, recommended 0 to 2.6 meters
- Light source: PinPoint LED, visible red light, 635 nm wavelength
- LED risk group: Free group according to EN 62471
- Supply voltage: 10 V DC to 30 V DC
- Current consumption: ≤ 20 mA at 24 V
- Digital outputs: 2 push-pull (PNP/NPN), light/dark switching
- Switching frequency: up to 1,000 Hz
- Response time: ≤ 500 µs
- Protection class: III
- Enclosure rating: IP66 and IP67
- Operating temperature: -40 °C to +60 °C
- Connection: Cable with M12 male connector, 4-pin, 190 mm length
- Housing material: Plastic VISTAL®
- Compliance: EN 60947-5-2 electromagnetic compatibility
- Dimensions (H x L x W): 42mm x 19mm x 12mm
- Weight: 0.1 kg
Key Features
- Photoelectric retro-reflective sensor with autocollimation/coaxial optics
- Sensing range up to 4 meters with recommended range 0 to 2.6 meters
- PinPoint LED visible red light with 635 nm wavelength
- Polarisation filters for improved detection
- IO-Link V1.1 interface for sensor parameter configuration and Smart Task functions
- LED indicators for alignment aid, operating status, and light beam status
- High switching frequency up to 1,000 Hz and fast response time ≤ 500 µs
- Robust plastic VISTAL® housing with IP66/IP67 protection rating
- Wide ambient operating temperature range from -40 °C to +60 °C
- Resistance to cleaning agents and electromagnetic compatibility compliant
Professional Installation Requirements
- Installation by qualified personnel is recommended to ensure proper alignment, wiring, and configuration using IO-Link for optimal sensor performance.
Applications
- Industrial automation for object detection
- Packaging lines for detecting objects wrapped in film
- Conveyor systems requiring precise sensing
- Factory automation requiring reliable presence detection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Energy-efficient LED light source with long service life of 100,000 hours
- Durable design reduces waste and replacement frequency
- Compliant with environmental regulations including China-RoHS
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK WLA4SP-84162100A00 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
