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Allen Bradley ControlLogix 1756-M12

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

1756-M12

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The 1756-M12 memory board, designed for Allen Bradley's ControlLogix series, serves as a replacement part compatible with the ControlLogix 5555. With a capacity of 750 kB, this nonvolatile memory board mounts internally and relies on the backplane for power.

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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-M12

ManufacturerAllen Bradley
Product TypeMemory Board
Product LineControlLogix
Part Number1756-M12
Weight0.19 lbs (0.09 kg)
SeriesSeries A
Spare Part/AccessoryYes
CompatibilityControlLogix 5555
Memory TypeNonvolatile
Capacity750 kB
MountingInternal
Power SourceBackplane
Relative Humidity5 to 95%
Operating Temperature0 to 60 °C
Storage Temperature-40 to 85 °C
Max. Operating Altitude1000 meters above sea level
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Model 1756-M12 is a memory board from the Allen Bradley ControlLogix series, specifically designed as a spare part for the ControlLogix 5555 system. This internal memory module features a nonvolatile memory type with a storage capacity of 750 kB. It acquires power through the backplane, ensuring stability and efficiency in operation.

Operationally, this memory board is suitable for environments with an operating temperature ranging from 0 to 60 degrees Celsius, making it adaptable to various conditions. Furthermore, in terms of storage, it withstands temperatures as low as -40 degrees Celsius up to 85 degrees Celsius, establishing a broad thermal range suited for diverse industrial settings.

With a maximum operating altitude rating of 1000 meters above sea level, the 1756-M12 can maintain performance in higher elevations in conjunction with a relative humidity tolerance between 5% and 95%. This ensures the board remains functional and reliable under varying atmospheric conditions.

Revision Part #Also known as
1756-M12 Ser A1756-M12/A, Series A, Rev A
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