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Allen Bradley PLC 5 1771-HM

Product image is representative; revision or series may vary. Contact us to request a specific version.

1771-HM

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The 1771-HM memory module, part of Allen Bradley's PLC 5 series, is designed for seamless operation in industrial environments. With a capacity of 32K and battery-backed retention, this CMOS memory module is a reliable solution for PLC-5 I/O chassis applications.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1771-HM

ManufacturerAllen Bradley
Product TypeMemory Module
Product LinePLC 5
Part Number1771-HM
Weight0.25 lbs (0.11 kg)
RetentionBattery-backed
InterfaceDirect plug
Capacity32K
Memory TypeCMOS
SystemPLC-5 I/O chassis
MountingModule slot
FormatPlug-in cartridge
Use caseIMC-12x controllers
EnvironmentIndustrial use
Compatibility1771 PLC system
Efficiency0.98
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The memory module 1771-HM from Allen Bradley, part of the PLC 5 lineup, provides an essential component for industrial automation systems. This unit is classified as a memory module featuring a capacity of 32K, leveraging CMOS technology to ensure efficient data storage and retrieval. A key feature is its battery-backed retention, which guarantees data preservation even in power loss scenarios.

Designed to fit into an I/O chassis for the PLC-5 series, the module utilizes a direct plug interface allowing for straightforward installation into the available module slots. Its format as a plug-in cartridge ensures easy replacement when necessary, streamlining maintenance efforts.

The 1771-HM is predominantly utilized in conjunction with IMC-12x controllers, ensuring compatibility with the wider 1771 PLC system. This makes it a versatile choice for a variety of applications in industrial settings. It operates at an efficiency rate of 0.98, reflecting its dependable functionality in demanding environments.