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Allen Bradley 42SMP-7021-QD Fixed Focus Diffuse Photoelectric Sensor

Allen Bradley 42SMP-7021-QD: Fixed Focus Diffuse Photoelectric Sensor.

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ManufacturerAllen Bradley

Part number42SMP-7021-QD

Type Photoelectric Sensor

Sensing Mode Fixed Focus Diffuse

Light Source Visible Red LED

Operating Voltage 11-28V DC

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Fixed focus diffuse sensing Visible red LED Fast 0.5 ms response time PNP output 4-pin DC Micro QD connector 11-28V DC operation

Product description

The Allen-Bradley 42SMP-7021-QD is a fixed-focus, diffuse photoelectric sensor from the 7000 Series, equipped with a 4-pin DC micro quick-disconnect (QD) connector for easy installation. It utilizes a visible red LED and operates within an 11-28V DC voltage range, offering a rapid 0.5 ms response time. This sensor is designed for reliable object detection in industrial automation.

Its applications include manufacturing lines, material handling, and other automated processes where precise, short-range detection is needed. The PNP output ensures broad compatibility with various control systems.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, provides the Allen Bradley 42SMP-7021-QD. We ensure you receive quality components to maintain your operational uptime.

Technical specifications

Type	Photoelectric Sensor
Sensing Mode	Fixed Focus Diffuse
Light Source	Visible Red LED
Operating Voltage	11-28V DC
Output Type	PNP
Response Time	0.50 ms
Connection	4-pin DC Micro QD

Common applications

Industrial Automation

Material Handling

Manufacturing Processes

Object Detection

Assembly Lines

Packaging

Quick Disconnect Installation

Compatible systems

Compatible with industrial control systems requiring PNP inputs and 4-pin DC Micro QD connections.

Also known as

Allen Bradley 42SMP-7021 QD PHOTOSWITCH 42SMP-7021-QD

Replaces / compatible with

This sensor is part of the Allen-Bradley Series 7000. While specific replacements may vary, it is designed for fixed-focus diffuse sensing with QD connectivity.

Technical note

Expert tip

The 4-pin DC micro QD connector simplifies installation and maintenance, allowing for quick replacement of the sensor in automated systems.

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Frequently asked questions

What type of output does the Allen Bradley 42SMP-7021-QD have?

The Allen Bradley 42SMP-7021-QD features a complementary PNP output. This allows for flexible integration with various control systems and PLCs.