1. High-Speed Specular Object Detection on Packaging Lines
Detecting highly reflective or glossy surfaces—such as metallic cans or foil-wrapped packages—as they pass on high-speed conveyor belts.
Problem SolvedStandard retroreflective sensors suffer from false 'light received' states when light reflects off shiny target objects instead of the reflector. The CX-491-P solves this using integrated polarizing filters, which filter out depolarized reflections from the target while only responding to the polarized light returned by the corner-cube reflector, preventing false triggers.
Polarizing FiltersRetroreflectiveSpecular ReflectionRed LEDConveyor Belt
2. Food Processing Machinery and Wet Washdown Zones
Object positioning and presence sensing inside food processing and packaging machinery that undergo routine washdowns and sanitization.
Problem SolvedWashdown areas expose sensors to liquid ingress and harsh chemical detergents. With an IP67 rating and a chemical-resistant PBT enclosure (as well as an acrylic lens resistant to ethanol and common detergents), the CX-491-P prevents water ingress and resists chemical degradation under wet conditions.
IP67 ProtectionPBT EnclosureAcrylic LensWet WashdownChemical Resistance
3. Compact Multi-Lane Conveyor Sorting Systems
Tight, adjacent positioning of multiple photoelectric sensors for sensing items on closely spaced conveyor lanes without cross-talk or interference.
Problem SolvedIn dense sensor arrays, light from one sensor can easily trigger an adjacent receiver, leading to false detections. The CX-491-P has a built-in automatic mutual interference prevention function that allows two units of sensors to be mounted close together without cross-talk.
Mutual Interference PreventionPNP OutputCompact Footprint1ms Response TimeCross-talk Mitigation
