Allen Bradley 1756-M16 ControlLogix Memory Expansion Module

The Allen Bradley 1756-M16 memory board is a ControlLogix5555 memory board. This expansion memory module is only compatible with the Allen Bradley ControlLogix5555 controllers and it cannot be installed in other series of Allen Bradley controllers. The list of compatible controllers includes the Allen Bradley 1756-L55M22, 1756-L55M23, 1756-L55M24, 1756-L55M12, 1756-L55M13, 1756-L55M14, 1756-L55M16, and the 1756-L55 controllers. If this expansion memory board is acquired to replace a defective memory board on the ControlLogix5555 controller, then before making the replacement, check if the old memory board is of the same type. If this is the case, then the old board can be quickly and easily replaced. Before the controller can be put back to work, the users must update the ControlLogix5555 controller to a revision that is well-matched with the memory board connected to it.

The same holds true if some other type of memory module was installed (such as the 1756-M1, -M2, -M3, -M12, -M13, -M14, -M22, -M23, or 1756-M24 modules) on the controller that if that memory module is going to be replaced with the 1756-M16 memory module. The Allen Bradley 1756-M16 memory board has 7.5 MB of memory that is not non-volatile. If a ControlLogix5555 controller is purchased without a memory board, then the memory board like the 1756-M16 board must be fitted to it for the controller to be functional. Only 1 memory board can be installed on the controller at a time. The operating temperature range for this product is from 0 to 60 degrees Celsius, and its storage temperature range is from -40 to 85 degrees Celsius. The product is CSA, C-Tick, CE, and UR certified.

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Specification Sheet .pdf