Key Features & Strengths:

Advanced Background Suppression (BGS): The core feature of this sensor. It operates on the triangulation principle to detect objects only within a fixed, pre-calibrated sensing window. This eliminates false triggers from objects outside the set range, regardless of their color or reflectivity.

High Reliability on Varied Surfaces: Excellent at detecting objects with different colors, textures, or materials (e.g., matte black, shiny metal, transparent glass) with consistent accuracy, a task where standard diffuse sensors often struggle.

Compact and Space-Saving Design: Its small rectangular form factor (36 x 15 x 38.5 mm) allows for easy integration into machinery with limited mounting space.

Visible Red Light Beam: The 650 nm red light spot simplifies installation, alignment, and troubleshooting, ensuring the sensor is aimed correctly at the target.

Easy Configuration: Features a potentiometer for precise sensitivity adjustment and a switch to select between Light-On and Dark-On operating mode.

Robust Industrial Construction: Housed in a PBT plastic body with an IP67 protection rating, making it resistant to dust, oil, and water jets, suitable for harsh environments.

Fast Response Time: High switching frequency enables it to handle high-speed applications like counting small parts on a fast-moving conveyor.

Clear Status Indication: Integrated LEDs provide clear visual feedback for power (green) and output switching state (yellow).

Technical Specifications (General):

Sensing Principle: Background Suppression (BGS)

Light Source: Visible red light, 650 nm

Sensing Range: Fixed (e.g., a common model is 30...300 mm). (Note: Exact range depends on specific variant; please confirm model number.)

Operating Voltage: 10...30 V DC

Output Type: Available in both PNP (sourcing) and NPN (sinking) configurations (e.g., WE36-B4301P1 = PNP).

Output Function: Switch-selectable (Light/Dark-On)

Connection: 4-pin M12 quick-disconnect connector

Housing Material: Plastic (PBT)

Protection Class: IP67

Typical Applications:
The WE36-B430 is ideal for tasks requiring precise detection independent of the background:

Object detection and counting on assembly lines and packaging machinery

Pallet presence and height verification

Detecting objects with varying surface properties (e.g., labels on bottles, electronic components)

End-of-stroke and position monitoring in automation systems

Robotics for part presence verification