When you get to the agitation step, control of the motors might be done in Ladder Diagram, which will trigger the Sequential Function Charts running in a separate process. When the Sequential Function ...

Ladder diagram programming allows PLCs to perform several different types of tasks, including Boolean logic, timing, counting, arithmetic, and special functions. We'll discuss the basic instructions ...

Ladder Diagram, or ladder logic, can still be used and works well for discrete logic programming, such as describing the action of a simple pneumatic circuit, Ryan says. But today’s advanced machines ...