Autonics BW20-48P Area Sensor
The Autonics BW20-48P Area Sensor offers Through-beam type(direct beam) sensing, 0.1 to 7m sensing distance, Infrared LED(850nm modulated) light source, 12-24VDC power supply , PNP open collector output. Manufactured by Autonics under the Autonics Area Sensor category, this model belongs to the Autonics BW Series.
| Brand | Autonics |
| Product Type | Area Sensor |
| Model Number | BW20-48P |
Autonics BW20-48P Area Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing type | Through-beam type(direct beam) |
| Sensing distance | 0.1 to 7m |
| Light source | Infrared LED(850nm modulated) |
| Optical axis pitch | 20mm |
| Number of optical axes | 48 |
| Power supply | 12-24VDC |
| Control output | PNP open collector |
| Operation mode | Light ON |
| Environment_Ambient illumination | Ambient light: Max. 10,000lx(receiver illumination) |
| Environment_Ambient temperature | -10 to 55β, storage: -20 to 60β |
| Connection type | Cable connector type(Γ5, 300mm, M12) |
| Protection structure | IP65 |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Min. sensing target | Opaque material of min. Γ30mm |
| Response time | Max. 10ms |
| Material | β’ Case: Aluminum, β’ Front cover, sensing part: Acrylic |
| Cable specification | Γ5mm, 4-wire, 300mm, M12 connector |
| Sensing height/Total length | 940/960mm |
| Accessories | Bracket A: 4, Bracket B: 4, Fixing bolt: 8 |
| Weight | Approx. 2.1kg(approx. 1.4kg) |
The Autonics BW20-48P operates using a through-beam sensing type with 48 optical axes and a 20mm optical axis pitch, providing precise coverage over a 0.1 to 7-meter sensing range. Its PNP open collector output supports Light ON operation mode and enables seamless integration with PLCs and control systems. The sensor efficiently runs on a stable 12β24VDC Β±10% power supply with minimal ripple, ensuring consistent performance in industrial environments.
The sensor body is constructed from robust aluminum with an acrylic front cover and sensing part, balancing durability with lightweight design. Its cable connector type (Γ5, 300mm, M12) allows for secure and flexible connections. With a fast response time of max. 10ms and a sensing height of 940mm, the BW20-48P maintains high-speed, reliable detection even under challenging conditions.
Designed for demanding industrial setups, the BW20-48P is rated IP65, protecting it from dust and water exposure. It functions reliably in ambient temperatures from -10 to 55β and storage conditions from -20 to 60β, with 35β85% RH humidity tolerance. Widely trusted for OEM machinery, automated inspection lines, and conveyor monitoring, the sensor ensures accurate detection and minimal downtime. For official product details, visit Autonics Sensors and Controllers.
Automation students and junior engineers can leverage the BW20-48P for practical learning in industrial setups, understanding beam alignment, detection principles, and integration with control systems. Its consistent performance ensures reliability in training labs as well as production environments, bridging theoretical knowledge with hands-on application.
By providing fast, accurate, and stable object detection, the BW20-48P supports high-efficiency operations while minimizing errors. Its robust design, high IP rating, and wide sensing range make it a trusted choice for engineers seeking reliable General Purpose Area Sensors that withstand industrial conditions over the long term.
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