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 ...

As a industrial controls engineer that has worked globally, keep the arduino in hobby zone where it belongs. There are machines running with 20, or 30 year old control systems that are PLC controlled.

Use this window to control your PLC program. 5] WTE PLC Configuration Tool. ... After designing a PLC ladder logic diagram, you can run the simulation and view the output on the right pane.