The Allen-Bradley 1784-CF128 is a robust, industrial-grade CompactFlash (CF) memory card designed specifically for use with Rockwell Automation’s line of programmable logic controllers (PLCs) and automation systems. With a storage capacity of 128 MB, this memory card provides a reliable solution for storing user programs, tag data, controller configurations, and firmware updates for controllers such as ControlLogix and CompactLogix. Its durable construction ensures dependable performance in demanding industrial environments, facilitating nonvolatile memory backup, easy program transfer between controllers, and efficient system maintenance.