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Allen Bradley 42GDU-9004-QD Photoelectric Sensor

Allen Bradley 42GDU-9004-QD: Diagnostic Photoelectric Sensor

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ManufacturerAllen Bradley

Part number42GDU-9004-QD

Sensing Mode Retroflective

Sensing Distance 9.14m (30ft)

Operating Voltage 90-264V AC

Output Type N.O. SPDT EM Relay

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Veteran-owned

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Diagnostic capabilities Retroflective sensing Wide AC voltage input SPDT relay output Mini Quick-Disconnect

Product description

The Allen Bradley 42GDU-9004-QD is a diagnostic photoelectric sensor from the Series 9000 line. It features a retroflective sensing mode with a maximum sensing distance of 9.14m (30ft). This sensor operates on a 90-264V AC power supply and provides an N.O. SPDT EM Relay output. It utilizes a mini quick-disconnect connector for easy integration.

This sensor is suitable for various industrial applications requiring reliable object detection, such as in manufacturing, packaging, and material handling systems. Its diagnostic capabilities provide valuable insights into application quality, helping to maintain optimal performance and prevent downtime.

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Technical specifications

Sensing Mode	Retroflective
Sensing Distance	9.14m (30ft)
Operating Voltage	90-264V AC
Output Type	N.O. SPDT EM Relay
Connection	Mini Quick-Disconnect

Common applications

Manufacturing Automation

Packaging Systems

Material Handling

Industrial Safety

Machine Vision

Compatible systems

Compatible with various control systems requiring a 90-264V AC input and relay output.

Also known as

Allen Bradley 42GDU-9004-QD8 Series 9000 GP Sensor

Replaces / compatible with

This part has been discontinued by the manufacturer. Please consult manufacturer documentation for potential replacements or compatible alternatives.

Technical note

Expert tip

The diagnostic output of this sensor changes state based on signal margin, providing an indication of application quality. This feature is crucial for detecting issues like lens contamination or misalignment.

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Frequently asked questions

What is the sensing range and output type of the Allen Bradley 42GDU-9004-QD?

The Allen Bradley 42GDU-9004-QD has a maximum sensing distance of 9.14 meters (30 feet) and features an N.O. SPDT EM Relay output. This makes it suitable for a variety of control applications where a reliable switch closure is needed.