Retro-Reflective Sensors

Sensors that combine the emitter and receiver in one housing and measure light bounced back from a reflector mounted opposite.

A retro-reflective sensor combines the emitter and receiver in a single housing; light bounces back to the receiver from a reflector mounted on the opposite side. Wiring is simpler than the through-beam type. Panasonic’s coaxial LS-H9x series, Omron’s E3Z-R series, and Telemecanique’s reflex XUB/XUM series models are used in line and door applications that need single-side mounting. Reflector type and sensing distance are chosen to match the application.

Panasonic CX-400 — retro-reflective models (5)

The retro-reflective models of Panasonic’s CX-400 Ver.2 series come in two groups: CX-491 (3 m) and CX-493 (5 m) with polarizing filters prevent false detection on shiny objects; the infrared CX-481/CX-483/CX-482 are designed for transparent-object (bottle, film) detection. The -P suffix denotes PNP output. All models below are verified against the manufacturer’s (industry.panasonic.com) current catalogue.

Panasonic

CX-491

CX-400 Ver.2 · retro-reflective · with polarizing filters · Sn 3 m · red LED · NPN / PNP (-P) · Light-ON/Dark-ON selectable · 1 ms · IP67 · 12-24 V DC

In production

Panasonic

CX-493

CX-400 Ver.2 · retro-reflective · with polarizing filters · long range · Sn 5 m · red LED · NPN / PNP (-P) · Light-ON/Dark-ON selectable · 1 ms · IP67 · 12-24 V DC

In production

Panasonic

CX-481

CX-400 Ver.2 · retro-reflective · for transparent objects · Sn 50-500 mm · infrared LED · NPN / PNP (-P) · Light-ON/Dark-ON selectable · 1 ms · IP67 · 12-24 V DC

In production

Panasonic

CX-483

CX-400 Ver.2 · retro-reflective · for transparent objects · Sn 50-1000 mm · infrared LED · NPN / PNP (-P) · Light-ON/Dark-ON selectable · 1 ms · IP67 · 12-24 V DC

In production

Panasonic

CX-482

CX-400 Ver.2 · retro-reflective · for transparent objects · Sn 0.1-2 m · infrared LED · NPN / PNP (-P) · Light-ON/Dark-ON selectable · 1 ms · IP67 · 12-24 V DC

In production

Telemecanique XU series — retro-reflective models (4)

Reflex and polarised-reflex models in XUK 50×50 compact and XUX 92×71 housings; DC and 24-240 V AC/DC versions. The multimode XUB0/XUM0/XUK0/XUX0 sensors also work in this mode with a reflector accessory (Diffuse card). Telemecanique’s single-mode XUB M18 reflex models are discontinued and not listed. Every model is verified from the manufacturer’s current catalogue.