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The Allen-Bradley 1756-L73K is a robust controller from the ControlLogix 5570 series, offering 8 megabytes of user memory and supporting extensive I/O capabilities with nearly 1 megabyte of dedicated I/O memory. Designed for versatility and high-performance industrial applications, it can manage up to 32 controller tasks and run 100 programs while handling up to 500 connections for Ethernet I/O and messaging. Equipped with a USB 2.0 port for rapid communication, it supports multiple network protocols such as EtherNet/IP, ControlNet, and DeviceNet. This controller is built with a durable, conformal coating for added environmental protection and features a scrolling LED display for real-time monitoring. It comes with an energy storage module and ships with a 1-gigabyte SD card, making it a reliable choice for complex automation environments.