that's so much easier to do in a high-level textual language than in [a graphical programming language like] Ladder Diagram, where you're going to be dealing with each byte individually.” Explaining ...

This means gaining a clear understanding of ladder diagrams and ladder logic ... Let's take a closer look at what's involved in learning the symbolic language of motor control. First, it's important ...

This programming language would use symbols encountered in conventional ladder diagrams of the hard-wired variety. The original purpose of the PLC was to allow electro-mechanical and electronic input ...