The Allen-Bradley 1756-M24 is a memory expansion module specifically designed for the ControlLogix5555 series. Featuring 3.5 Megabytes of nonvolatile memory, it efficiently stores controller project data without requiring continuous power. Compatible with multiple controllers within a ControlLogix chassis, the module includes an LED indicator for installation verification. Its open enclosure design incorporates an operating temperature range from 0 to 60 degrees Celsius, ensuring reliability in diverse conditions. Importantly, power must be disconnected prior to installation to prevent damage.
