They are programmable via software interfaced via standard computer interfaces ... is the primary programming language for programmable logic controllers (PLCs). Ladder logic programming is a ...

Some PLCs are very simple and some are quite complex, but one thing they do have in common is they are usually programmed using ladder logic. If you’ve ever wanted to learn how to program PLCs ...

A family of programming languages for programmable logic controllers (PLCs). Of the three graphical and two textual languages, ladder logic (see example below) was the first language and widely used.