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Red rectangular area sensor with twelve optical axes at 20mm pitch

Autonics Corp

Autonics Corp BWP20-12 Area Sensor 12 Axes 20mm Pitch electrician tool

SKU CH-GCFN-7XCPH MPN BWP20-12

Through-beam area sensor with 12 infrared axes on 20 mm pitch, 0.1 to 5 m range and NPN output

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • 12 optical axes cover a wide detection area
  • 20 mm axis pitch gives fine object resolution
  • Sensing range reaches 0.1 to 5 m
  • 850 nm infrared LED provides reliable through-beam detection
  • NPN open collector output works with 12-24 VDC supply

12-Axis Through-Beam Area Sensor

The Autonics BWP20-12 is a through-beam area sensor with 12 optical axes spaced at a 20mm pitch. It detects objects across a sensing distance of 0.1 to 5m using an 850nm infrared LED light source. The unit operates on a 12-24VDC power supply and provides an NPN open collector output configurable for Light ON or Dark ON operation via a switch.

Industrial detection and safety applications

This sensor suits automated production lines, packaging equipment and safety guarding where a multi-axis light curtain is required to monitor a defined area. Buyers needing a diffuse-reflective or retro-reflective sensing method should look elsewhere, as this model uses through-beam detection only. Installations requiring a PNP output type or a different axis pitch are not served by this unit.

12 optical axes at 20mm pitch

The number of optical axes and their spacing define the detection resolution and the total height of the sensing field. This configuration determines the minimum object size that can be reliably detected and whether the sensor covers the required vertical span for the application. Verify that 12 axes at 20mm pitch match the specific detection zone requirements before purchase.

Highlights

  • 12 optical axes cover a wide detection area
  • 20 mm axis pitch gives fine object resolution
  • Sensing range reaches 0.1 to 5 m
  • 850 nm infrared LED provides reliable through-beam detection
  • NPN open collector output works with 12-24 VDC supply

Specifications

BrandAutonics
ModelBWP20-12
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

What is the maximum sensing distance before the infrared beam loses reliability?

The sensor detects objects up to 5 m away using an 850 nm modulated infrared LED.

How much power does the unit draw during continuous operation?

It runs on 12–24 VDC ±10 % with a maximum 10 % ripple, and the NPN open-collector output switches the load.

Which supply voltage must already be available on site for the sensor to operate?

A 12–24 VDC source with no more than 10 % peak-to-peak ripple is required.

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