In the world of industrial control, serve as a critical tool for organizing complex logic. Unlike standard text-based programming, SFC is a graphical language that represents processes as a series of steps and transitions. This structure is essential for modern manufacturing, where timing and sequence are as important as the code itself. The IEC 61131-3 Standard

Conditions that must be met (e.g., a sensor being triggered) before moving from one step to the next.

The filename appears to be a compressed archive, where "SFCS" likely stands for Sequential Function Charts . This is a specialized programming language defined by the IEC 61131-3 standard for industrial automation and control processes.

Rectangles representing specific states of the process (e.g., "Wait," "Close Door").