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Photoelectric Retro-Reflective Sensor 4m Sensing Range IO-Link Enabled SICK
The Photoelectric Retro-Reflective Sensor is designed for industrial automation, featuring a sensing range of up to 4 meters and IO-Link capability for smart
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Alternatively Known As: Photoelectric Sensor, Retro-Reflective Sensor, SICK WLA4SP Sensor, Industrial Object Sensor, IO-Link Photoelectric Sensor
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
- Response time: ≤ 500 µs
- Switching frequency: 1,000 Hz
- Protection class: III
- Enclosure rating: IP66 and IP67
- Operating temperature: -40°C to +60°C
- Connection: Male M8, 4-pin connector
- Housing material: Plastic VISTAL®
- Front screen: Plastic PMMA
- Shock resistance: 30 g, 11 ms
- Vibration resistance: 10 Hz to 1,000 Hz, amplitude 1 mm
- Communication: IO-Link V1.1, COM2 (38.4 kBaud), cycle time 2.3 ms
- 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 filter for improved detection
- IO-Link enabled for sensor parameter configuration and Smart Task functions
- LED indicators for alignment, operating status, and light beam status
- Robust plastic VISTAL® housing with IP66/IP67 protection
- Operating temperature range from -40°C to +60°C
- High shock and vibration resistance
- Dual push-pull digital outputs with light/dark switching
Professional Installation Requirements
- Installation by qualified personnel 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 safety and process control
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
- Supports smart configuration to optimize sensor performance and reduce energy consumption
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK WLA4SP-22162100A00 Photoelectric Retro-Reflective Sensor is available for immediate purchase, ideal for industrial automation and object detection applications.
