SICK VL18-4N3240 Retro-Reflective Photoelectric Sensor

SICK VL18-4N3240 Retro-Reflective Photoelectric Sensor for Reliable Object Detection

The SICK VL18-4N3240 retro-reflective photoelectric sensor is a compact M18 industrial sensor engineered for dependable object detection in automated systems. It uses visible red LED light combined with a polarized optical design to achieve stable sensing performance while reducing interference from reflective backgrounds. With a sensing distance suitable for medium-range applications and a rugged metal housing, this sensor is designed to operate consistently in demanding production environments. Its cylindrical form factor allows easy mechanical integration, making it a practical choice for machine builders and system integrators seeking reliable presence detection.

The SICK VL18-4N3240 retro-reflective photoelectric sensor supports smooth operation in packaging, intralogistics, and assembly lines where precise detection is essential. The polarized optics improve detection accuracy on shiny objects, while fast switching response enables use in higher-speed processes. Sensitivity adjustment allows fine tuning during commissioning, helping reduce setup time and false signals. Its durable metal construction and high ingress protection rating ensure long service life in environments exposed to dust, vibration, and temperature variation, contributing to reduced downtime and stable automation performance.

Why SICK VL18-4N3240?

The SICK VL18-4N3240 stands out because it combines precise retro-reflective sensing with industrial-grade durability in a compact M18 form. Its polarized optical design ensures stable detection even in visually challenging environments, while the robust metal housing supports long-term use on busy production floors. This balance of accuracy, reliability, and easy integration makes it a dependable choice for modern automation systems.

What problem does it solve?

The SICK VL18-4N3240 addresses unreliable object detection caused by reflective surfaces, inconsistent lighting, and harsh operating conditions. It ensures consistent presence detection in conveyor and packaging applications where false triggers or missed signals can disrupt workflows. By delivering stable switching and fast response, it helps maintain process continuity, reduce stoppages, and protect overall production efficiency.

Key Features & Specifications – SICK VL18-4N3240: Part Number 6013542

Download SICK VL18-4N3240 (6013542) Datasheet

Commercial Information – SICK VL18-4N3240

The Applications

1. Precision Detection on High-Speed Conveyor Lines

In automated conveyor operations, consistent detection is essential to maintain sorting accuracy and prevent downstream errors. This sensor can be installed alongside conveyor belts to detect cartons, bins, or trays moving at high speed. The retro-reflective sensing principle, combined with polarized optics, helps maintain reliable switching even when packaging materials are glossy or uneven. Fast response behavior ensures that closely spaced items are detected individually, while adjustable sensitivity allows adaptation to different product sizes. These characteristics help logistics and distribution facilities maintain steady throughput, reduce miscounts, and keep automated handling systems running smoothly.

2. Reliable Presence Sensing in Packaging Machinery

Packaging machines demand dependable sensing in compact, vibration-prone environments. This sensor is commonly used to verify product presence before sealing, labeling, or coding operations. Its cylindrical metal housing allows easy integration into tight machine frames, while its rugged construction supports continuous operation. Polarized optics improve detection reliability when transparent films or reflective surfaces are involved. Sensitivity adjustment enables quick changeovers between different package formats. By ensuring accurate presence confirmation, the sensor helps prevent empty packages, minimizes material waste, and supports consistent packaging quality during long production cycles.

3. Accurate Part Verification in Automated Assembly Lines

In assembly automation, confirming the presence of components before processing steps is critical for avoiding costly errors. This sensor can be positioned to check whether parts are correctly placed on fixtures, pallets, or carriers. The visible light emission simplifies alignment during setup, reducing commissioning time. Stable switching behavior minimizes false signals that could interrupt robotic movements or assembly sequences. Its reliable detection range supports flexible cell layouts. These advantages contribute to smoother assembly workflows, fewer rejected parts, and improved overall equipment effectiveness in manufacturing environments.

4. Durable Object Monitoring in Material Handling Systems

Material handling installations often operate under challenging conditions, including dust, temperature changes, and continuous mechanical stress. This sensor is suitable for monitoring transfer points, accumulation zones, or load positions in such systems. Its robust construction supports long-term use, while high environmental protection helps maintain consistent performance. Sensitivity tuning allows the same sensor to handle different load types without redesigning the system. By delivering dependable object monitoring in harsh environments, it helps reduce unplanned downtime, lowers maintenance effort, and ensures stable material flow across industrial operations.

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