The document describes Modicon M221 and M221 Book logic controllers for machine control. The M221 controllers offer best-in-class performance with embedded I/O, communication ports, and functions. They integrate with the EcoStruxure Machine architecture to enable smart, connected machines. Programming is done with the EcoStruxure Machine Expert - Basic software for simplified engineering. The controllers are available in different sizes with optional I/O expansion modules, cartridges, and remote displays to suit a variety of machine control applications.