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The Allen-Bradley/Rockwell Automation 1756-M3 expansion memory module, part of the Bulletin 1756 product line designed for ControlLogix systems, enhances system performance with capabilities to handle a memory capacity ranging from 750 kilobytes to 32 megabytes. Engineered for robustness, it operates smoothly within a temperature range from 0 to 60 degrees Celsius and withstands vibration up to 2 G at 10 to 500 Hertz and shock up to 30 G, while maintaining ESD immunity to IEC 61000-4-2 standards. With backplane current requirements of 1.20 to 1.25 Amps at 5.1 Volts DC and 0.014 Amps to 14 milliAmps at 24 Volts DC, this module is a crucial component in the sophisticated ControlLogix environment, ensuring optimized communication, enhanced safety, and reliable real-time operations.