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Allen Bradley GuardShield 440L-R4K1280YD

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440L-R4K1280YD

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The 440L-R4K1280YD is a safety receiver from the Allen Bradley GuardShield series designed to provide reliable safeguarding in various applications. With a maximum sensing height of 1280 mm, it operates over distances ranging from 0.3 to 16 meters.

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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 440L-R4K1280YD

ManufacturerAllen Bradley
Product TypeSafety receiver
Product LineGuardShield
Part Number440L-R4K1280YD
UPC611320944204
Weight5.00 lbs (2.27 kg)
Laser Alignment AidNo
Sensing Height1280 mm
Beam Resolution30 mm
Operating Range0.3 to 16 m
Beam Count64 beams
Electrical InterfaceM12 8‑pin (Rx)
Supply Voltage24V DC ±20%
Maximum Current Draw400 mA
Output Reaction Time20‑35 ms
Safety Output TypeTwo OSSD, 500 mA
Start/Restart InterlockConfigurable, N.O. button
Fixed BlankingTeachable
Floating Blanking1 or 2 beams
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The Allen Bradley 440L-R4K1280YD functions as a proficient safety receiver, specifically developed to enhance safety measures in various settings. It features an impressive sensing height of 1280 mm and can effectively operate within a distance span of 0.3 to 16 meters. Designed with precision, the safety receiver incorporates a beam resolution of 30 mm and consists of 64 beams, allowing for thorough coverage and efficient detection.

An electrical interface of M12 8-pin (Rx) allows for straightforward connections to control systems, ensuring effective communication and operation. This unit operates with a supply voltage of 24V DC, with a tolerance of ±20%. It draws a maximum current of 400 mA during operation, providing sufficient power for optimal functioning.

For output capabilities, the 440L-R4K1280YD provides a reaction time ranging from 20 to 35 ms, addressing prompt responsivity needs. The device is capable of two OSSD (Output Signal Switching Devices) safety outputs, each up to 500 mA, ensuring compliance with safety requirements. Additionally, it includes a configurable start/restart interlock button that operates in a normally open (N.O.) configuration, adding flexibility during setup.

In terms of beam management, the safety receiver is equipped with teachable fixed blanking and allows for floating blanking of either one or two beams, enabling customization based on specific application requirements. Overall, the 440L-R4K1280YD provides a robust and adaptable safety solution tailored for various industrial applications.