Allen-Bradley 1756-L61 ControlLogix IO Module

Allen-Bradley 1756-L61 ControlLogix CPU is the central processing unit of Rockwell Automation’s ControlLogix family, belonging to the 5561 processor line. This controller plugs into a ControlLogix backplane and runs your PLC program while coordinating I/O data across 1756‑series modules and communications through supported networks. As a mid‑range Rockwell CPU, it supports ladder logic, function block, and structured text programming, enabling scalable automation for machine, line, or batch processes. Typical applications include factory automation lines, packaging equipment, conveyors, and other integrated manufacturing systems that require reliable centralized control and seamless I/O management.