The Allen-Bradley 1772-LX is a Mini-PLC-2/16 processor integral to the Allen-Bradley PLC 2 industrial automation system, known for its robust performance and extensive processing capabilities. Featuring 4000 words of both backup EEPROM and general memory, along with 3968 words for data table expansion, it efficiently handles a broad range of instructions including arithmetic, conversion, and logic operations. This processor is equipped with distinct CPU and memory components, a PROC light indicator for status monitoring, and a comprehensive key switch selector with four modes, enabling seamless program manipulation and backup operations. Additionally, its 15-pin interface facilitates connectivity with various industrial components and programming devices, ensuring versatile system integration and maintenance functionality.