Ladder Diagram, based on the most common form of PLC programming language. Structured Text, similar to high-level information technology (IT) programming languages such as C or Pascal. Function Block ...

The differences among and preferences for Instruction List, Structured Text, Ladder Diagram, Function Block Diagram, and Sequential Function Chart PLC programming languages, as well as C and C+, are ...

We stick to Structured Text and the other languages.” Despite the grim outlook for Instruction List, Structured Text will be sticking around as it’s a high-level programming language. “If you're ...