Autonics BW20-36 Overview The Autonics BW20-36 is a general-purpose area sensor designed for precise detection of objects across a wide sensing area. With 36 optical axes spaced at 20 mm intervals, it ensures reliable detection even for irregularly shaped objects. Its durable aluminum housing and IP65 protection rating make it suitable for industrial environments such as conveyors, packaging lines, and automation systems. The sensor features through-beam detection with a sensing distance of up to 7 meters, operating on 12–24 V DC, and providing a standard NPN open-collector output. Built-in LED indicators and self-diagnosis functions enhance operational safety and maintenance efficiency. Key Features 36 optical axes with 20 mm spacing for wide-area detection Long detection range up to 7 meters NPN open-collector output for easy system integration Compact and durable aluminum housing LED indicators for power and operation status IP65-rated protection against dust and water Self-diagnosis and interference prevention functions Fast response time for real-time detection Technical Specifications Manufacturer: Autonics Model: BW20-36 Type: Area sensor (through-beam) Number of Axes: 36 Pitch Between Axes: 20 mm Sensing Distance: Up to 7 meters Output Type: NPN open-collector Supply Voltage: 12–24 V DC Response Time: Approximately 12 ms Operating Temperature: –10 °C to +55 °C Protection Rating: IP65 Light Source: Infrared LED (850 nm) Housing Material: Aluminum body with optical cover Functions: Self-diagnosis, interference prevention, LED status indicators Applications Object detection in conveyor and packaging lines Entrance and exit monitoring in automated systems Part counting and positioning in assembly processes Sorting and material handling systems Area monitoring in industrial automation Why Choose Autonics BW20-36? Reliable detection over wide areas Long sensing distance ideal for industrial use Strong and compact aluminum construction Simple wiring and quick setup Proven Autonics performance and durability Order Now Upgrade your automation system with the Autonics BW20-36, the dependable choice for accurate and stable wide-area detection in industrial applications.