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The Allen-Bradley 1756-L55M22 ControlLogix Controller is a robust member of the Logix5000 series, offering 750 KB of data and logic memory alongside 208 KB of I/O memory, complemented by an integrated nonvolatile backup. It features dual CPUs for efficient task management, with the Logix CPU focused on executing applications and the backplane CPU managing data exchange and communication via networks such as Ethernet/IP, ControlNet, and DeviceNet. Designed for versatility, this controller supports multitasking, online and offline Logix5000 programming, and system-shared tag production, with connectivity enabled through a serial port and a 1756-CP3 cable; its diagnostic capabilities and I/O communication safeguards further ensure reliable operation.