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The Allen-Bradley 1771-UC1 microcontroller, part of the 1771 series, is engineered for high-speed, versatile assembly language programming. It integrates seamlessly with any 1771 I/O module, supporting both single and discrete configurations, and features a plug-in UV EPROM with a memory capacity up to 14K, specifically the 1770-XP EPROM. With key operational components such as an RS-232-C port, an 8-slot I/O rack, and distinct diagnostic indicators, this microcontroller ensures efficient status monitoring and control. Additionally, it is equipped with a three-position key switch for operational security and versatile mounting options, making it a robust solution for diverse industrial applications that require precise technical knowledge.