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Allen Bradley ControlLogix 1756-M22

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1756-M22

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The Allen Bradley 1756-M22 is a memory board module designed for the ControlLogix series. It provides 750 KB of nonvolatile memory expansion and is compatible with ControlLogix 5555 controllers. This module operates effectively in temperatures ranging from 0 to 60°C.

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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 1756-M22

ManufacturerAllen Bradley
Product TypeMemory Board Module
Product LineControlLogix
Part Number1756-M22
Weight0.50 lbs (0.23 kg)
Memory Capacity750 KB of nonvolatile memory expansion
Controller CompatibilityControlLogix 5555 controllers
Operating Temperature0 to 60°C
Storage TemperatureUp to 85°C
Installation Altitude2000 m
Relative Humidity5 to 95%, non-condensing
Shock Resistance (Operating)30 G
Shock Resistance (Non-operating)50 G
Pollution DegreeDegree 2
Overvoltage CategoryCategory II
Electromagnetic CompatibilityClass A
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Designed for use within the ControlLogix series, the Allen Bradley 1756-M22 memory board module allows for significant memory expansion. This unit offers a total capacity of 750 KB of nonvolatile memory, specifically engineered to be compatible with ControlLogix 5555 controllers. The product functions within an extensive operating temperature range from 0°C to 60°C and can be stored at temperatures as high as 85°C.

This memory module has been built to operate effectively in environments up to an altitude of 2000 meters. For humidity, it tolerates levels from 5% up to 95% without condensation, making it suitable for various conditions. The shock resistance characteristics are notable; it can withstand shocks of up to 30 G when operating and even up to 50 G when not powered, indicating robust construction for demanding applications.

Rated as Degree 2 for pollution, this module is designed to perform reliably under typical environmental factors. It falls under Overvoltage Category II, which provides essential operational safety in various setups. Furthermore, the electromagnetic compatibility is classified as Class A, ensuring proper immunity against interference from electronic devices.

Revision Part #Also known as
1756-M22 Ser A1756-M22/A, Series A, Rev A
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