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Allen Bradley 42SMU-7201 Polarized Retroreflective Photoelectric Sensor

Allen Bradley 42SMU-7201: Polarized Retroreflective Photoelectric Sensor.

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ManufacturerAllen Bradley

Part number42SMU-7201

Type Photoelectric Sensor

Sensing Mode Polarized Retroreflective

Light Source Infrared (880nm)

Operating Voltage 11-28V DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Polarized retroreflective sensing Infrared light source Fast 0.5 ms response time PNP output 11-28V DC operation Suitable for reflective surfaces

Product description

The Allen-Bradley 42SMU-7201 is a polarized retroreflective photoelectric sensor from the 7000 Series, designed for reliable detection of objects, including those with reflective surfaces. It uses infrared light and operates on 11-28V DC, with a rapid 0.5 ms response time. This sensor is known for its performance in challenging detection tasks.

This sensor is ideal for industrial automation, packaging, and material handling applications where distinguishing objects based on their reflective properties is important. Its PNP output offers broad system compatibility.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 42SMU-7201. We provide quality industrial components to ensure your automation systems remain operational and efficient.

Technical specifications

Type	Photoelectric Sensor
Sensing Mode	Polarized Retroreflective
Light Source	Infrared (880nm)
Operating Voltage	11-28V DC
Output Type	PNP
Response Time	0.50 ms
Sensing Distance	up to 1500mm

Common applications

Industrial Automation

Packaging

Material Handling

Object Detection

Conveyor Systems

Sorting Applications

Industrial Control

Compatible systems

Compatible with industrial control systems requiring PNP inputs. Requires a reflective target.

Also known as

Allen Bradley 42SMU-7201 PHOTOSWITCH 42SMU-7201 7000 Series Retroreflective

Replaces / compatible with

This sensor is part of the Allen-Bradley Series 7000, which has been discontinued. It was designed for polarized retroreflective detection challenges.

Technical note

Expert tip

The polarized retroreflective technology helps to reduce false triggering from shiny or reflective surfaces, ensuring more reliable detection.

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Frequently asked questions

What is the maximum sensing distance for the Allen Bradley 42SMU-7201?

The Allen Bradley 42SMU-7201 has a maximum sensing distance of up to 1500mm (1.5 meters). This range makes it suitable for various industrial automation tasks.