First CompactLogix Controllers were released in late 2000. For almost 25 years they have been playing huge role in automation. There are many machines that run on these controllers every day. Designed for small to medium-size applications (machines). There have been several generations since first CompactLogix controllers were released.

They are a lower-cost alternative to the ControlLogix system. They support I/O expansion modules, motion, safety, communication over Ethernet/IP.