Autonics BW20-20 Area Sensor

Autonics BW20-20 General Purpose Area Sensors use a through-beam architecture with 20 optical axes at 20 mm pitch to create a 380 mm sensing height. A modulated 850 nm infrared LED provides stable detection across a 0.1–7 m sensing range, even under receiver illumination up to 10,000 lx. The receiver’s Light ON logic and NPN open-collector output map cleanly to PLC inputs, while a fast 10 ms response preserves count accuracy on moving lines. Powering is via 12–24 VDC ±10% (ripple P-P max 10%), supporting mixed-control cabinets without overstressing supplies. Minimum detectable target is an opaque Ø30 mm object, suitable for boxes, trays, and irregular stock. For durability, the aluminum case and acrylic front cover are sealed to IP65, resisting dust and washdown spray. An M12, 4-wire Ø5 mm, 300 mm connector simplifies installation, maintenance swaps, and spare management; bracket sets are included for rigid alignment. Operating limits of −10 to 55 °C and 35–85% RH reflect real plant conditions, aiding continuous service. These details help engineers specify confidently, commission quickly, and document compliance from a single, dependable sensor family.

Autonics BW20-20 streamlines three common tasks. First, form a wide detection curtain on in-feed conveyors to confirm presence and alignment before printing, sealing, or weighing. Next, use the 20-axis grid to track carton edges or tray profiles so misfeeds and gaps are flagged early, protecting downstream tools. Finally, leverage the 10 ms response for count, jam, and out-of-sequence checks on fast FMCG and electronics lines. Routine alignment with the supplied brackets, periodic cleaning of the acrylic window, and tidy M12 harnessing keep results consistent. For procurement speed and local guidance, coordinate with our wholesalers, dealers, and distributors to match I/O logic, cabling, and mounting to your line standard.

BW20-20 within the General Purpose Area Sensors category is frequently specified under searches such as autonics bw20-20, autonics bw20, bw20, and bw20 20. Engineers select this model for its precise 20 mm pitch, reliable through-beam performance, and fast output response. With IP65 durability and straightforward PLC compatibility, it provides consistent performance in demanding environments. Wholesalers, dealers, and distributors ensure timely availability and technical support. For consistent wide-area object detection in conveyors, packaging, and machine guarding, the Autonics BW20-20 Area Sensor remains a trusted industrial solution.