Ladder logic diagrams are one of the most common ways to program a PLC (programmable logic controller), a device that controls industrial processes and machines. Ladder logic diagrams use symbols ...

Function block diagram is another graphical PLC programming language that uses ... applications in which you have a state machine or a sequence (an example is the traffic light control system).

When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming.Their ability to accept programming in ladder ...

Explaining the principal differences among the graphical PLC programming languages, Yerger started with Ladder Diagram, noting its development ... it's going to move on to the next action in the ...

gives the programming tool the ability to display data that shows the status of a PLC program as it runs on a sequence CPU module. This improves work efficiency by enabling engineers to monitor a ...