PLC scan cycle with Ladder Logic Part II

What is Ladder Logic?

Ladder Logic (also known as Ladder Diagram or LD) is a programming language used to program a PLC (Programmable Logic Controller). It is a PLC graphical programming language that uses ladder diagrams to express logical operations with symbolic notation, much like the rails and rungs of a typical relay logic circuit.  Ladder logic is made …

What is Ladder Logic? Read More »