The 1756-M14 module is a volatile ControlLogix5555 memory expansion module manufactured by Allen-Bradley. It belongs to the A series of Allen-Bradley ControlLogix memory modules and has a capacity of 3.5 MB. It is a spare part for the Allen-Bradley ControlLogix5555 controller that supports redundant systems and can be used with non-volatile memory to support controllers that use 2 EEPROM units on the same module. Its simple design eliminates the need for special equipment when installing modules, and its slots are easily accessible on the side of the controller.
The 1756-M14 ControlLogix5555 memory expansion module is designed for use in environments where it is not in direct contact with corrosive materials, which may interfere with its performance. Its recommended operating temperature range is 0 to 60 degrees Celsius. When not in use, this module should be stored in a temperature range of -40 to 85 degrees Celsius. To prevent arcing that may damage the 1756-M14 memory board, all power supplies (including battery module power) must be disconnected before installing or removing the memory module.
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