Sick Retroreflective Photoelectric Sensor, Miniature Sensor, 0 → 4 m Detection Range

The W4S-3 family of photoelectric sensors offers best-in-class performance in a slim housing design. Universal use of the latestASIC and Pinpoint LED technologies provide maximum reliability in the detection of all objects, including transparent and shiny objects like blisters, e-cards and aluminium cans.

Optical axes on the flat side enable simple, space-saving integration in the machine environment - even without separate mounting brackets.

Best background suppression sensor in its class
Universal use of Pinpoint LED technology in all models
BGS proximity sensor with laser-like light spot for precise detection tasks
Reliable setting via 5-turn potentiometer, teach-in pushbutton, teach-in via cable or IO-Link
Flexible sensor settings, monitoring, advanced diagnostics, and visualization thanks to IO-Link

Application versatility due to reliable detection of shiny, transparent or jet-black objects
Very quick and easy alignment due to the highly visible, intense Pinpoint LED light spot
Rugged mounting system with M3 threaded metal inserts reduces maintenance costs due to a long service life
Background suppression sensors with a laser-like light spot reduce costs and installation of additional protective measures by replacing laser sensors
IO-Link provides easy data access from the PLC
Quick and easy configuration
Quick and easy integration using function blocks