Overview & Technology:
The Leuze PRK15.XD1/4P-M12 Polarized Retro-Reflective Photoelectric Sensor belongs to the compact Series 15 portfolio engineered by Leuze electronic GmbH + Co. KG (Germany). This next-generation optical sensor integrates a focused visible red LED light source with an advanced polarization filter and evaluation algorithm (.XD1 designation), delivering reliable object detection on highly reflective surfaces, shiny stretch films, and polished metal parts without false triggers or beam pass-through.

Key Features & Highlights:
• Enhanced Detection Algorithm (.XD1): Confidently discriminates between true reflection from designated reflectors and spurious scattering reflections off shiny plastic foils or metallic finishes.
• Versatile Operating Envelope: Delivers dependable sensing distances up to 6 m - 8 m (when paired with standard Leuze reflectors), easily adapting to tight machine spaces as well as standard conveyor transfer points.
• PNP Transistor Output (/4P): Seamlessly interfaces with standard industrial PLCs (Siemens, Mitsubishi, Omron, Delta) with user-selectable Light-on / Dark-on switching behavior.
• High-Speed Performance (Response Time ≤ 1 ms): Effortlessly captures rapid workpiece movements on automated bottling, packaging, and sorting lines.
• Dual LED Alignment Diagnostics: Integrated green LED (power/alignment reserve) and yellow LED (output state) enable fast on-site commissioning and diagnostics.

Durability & Heavy-Duty Construction:
Housed in a rugged, impact-resistant engineering plastic casing with scratch-resistant PMMA optical windows, the unit boasts an IP67 ingress protection rating. It operates reliably across ambient temperatures from -40°C to +60°C, while the standard M12 4-pin circular connector ensures quick, vibration-proof field wiring.

Practical Value for QA/QC:
Deploying the Leuze PRK15.XD1/4P-M12 sensor prevents packaging line interruptions caused by misreadings of wrapped goods, ensures high counting precision, reduces scrap, and enhances overall automated plant productivity.

• Manufacturer: Leuze electronic GmbH + Co. KG
• Product Category: Polarized Retro-Reflective Photoelectric Sensor
• Model Code: PRK15.XD1/4P-M12 (PRK 15.XD1/4P-M12)
• Series: Series 15 (Compact size)
• Country of Origin: Germany
• Operating Principle: Polarized retro-reflective with extra detection capability (.XD1)
• Light Source: Visible Red LED (~620 nm, pulsed)
• Operating Range (Sensing Distance): 0.05 ... 6 m (up to 8 m with Leuze TKS reflectors)
• Supply Voltage: 10 ... 30 V DC (including residual ripple)
• Open-Circuit Current: ≤ 20 mA
• Digital Output Type: Transistor PNP (Light-on / Dark-on selectable)
• Maximum Output Current: 100 mA
• Switching Frequency: 500 Hz
• Response Time: ≤ 1 ms
• Connection Interface: Standard M12 circular connector, 4-pin (A-coded)
• Status Indicators: Yellow LED (Output state), Green LED (Ready / Alignment reserve)
• Ingress Protection Rating: IP67 (dust-tight and temporary water immersion resistant)
• Certifications: cULus, IEC 60947-5-2
• Housing Material: High-grade engineering plastic with PMMA optical window
• Operating Temperature Range: -40°C to +60°C
• Storage Temperature Range: -40°C to +70°C