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Allen Bradley Photoswitch 42DRC-5400

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42DRC-5400

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The Allen Bradley 42DRC-5400 is an analog photoelectric sensor designed for both retroreflective and diffuse control applications. It operates on a supply voltage of 22 to 28 V DC and can handle a maximum current output of 40V DC, supporting reliable performance in industrial environments.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 42DRC-5400

ManufacturerAllen Bradley
Product TypeAnalog photoelectric sensor (retroreflective/diffuse control)
Product LinePhotoswitch
Part Number42DRC-5400
Weight0.38 lbs (0.17 kg)
Supply Voltage22–28 V DC
Current Output40V DC Max.
Output Indicators- Setpoint A: Red LED
Response Time100 ms
Setpoint Adjustment15%
Operating Distance (Retroreflective)2–15 ft (0.61–4.57 m)
Operating Distance (Diffuse)6 in – 5 ft (0.15–1.5 m)
SetpointsTwo adjustable setpoints with NPN outputs (100 mA max)
Slope SelectionPositive or negative selectable slope
Transient Noise ProtectionYes
Short Circuit ProtectionAnalog output only
Analog Output CalibrationYes
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The 42DRC-5400 from Allen Bradley is a sophisticated analog photoelectric sensor. This unit operates on a supply voltage between 22 and 28 V DC, with the capability to output a maximum current of 40V DC. It is engineered for use in both retroreflective and diffuse sensing applications.

The sensor has two adjustable setpoints, which can be fine-tuned with a setpoint adjustment tolerance of 15%. Each setpoint features an NPN output, allowing a maximum load of 100 mA, making it versatile for various automation tasks. Users can choose between a positive or negative slope for the sensing characteristics, optimizing the unit for specific operational requirements.

Visual output indicators are provided by colored LEDs — red for setpoint A and green for setpoint B — facilitating quick identification of the sensor's status. The response time is optimized to 100 milliseconds, ensuring adequate processing speed for most applications.

In terms of sensing range, the retroreflective mode functions effectively within 2 to 15 feet (0.61 to 4.57 meters), while in diffuse mode, it operates between 6 inches and 5 feet (0.15 to 1.5 meters). The unit is designed with transient noise protection, which helps maintain functionality in noisy environments. Short circuit protection is included for the analog output, enhancing reliability. Additionally, the device allows for calibration of the analog output, ensuring precision in measurement and control across various tasks.