But how do you talk to these industrial computers? Most manufacturers follow the , which defines five core programming languages. 1. Ladder Diagram (LD): The Industry Veteran

In the late 1960s, a team at Bedford Associates led by Dick Morley introduced the , the world’s first PLC. It was designed to replace the massive, "spaghetti-wired" relay panels used in automotive assembly lines. Today, PLCs are the "digital brains" behind everything from traffic lights to robotic factory arms.

This blog post provides a comprehensive overview of , focusing on the standard programming methods that drive modern industrial automation. The Digital Brain of Industry: A Guide to PLC Programming

is the most widely used language, making up approximately 80% of all PLC programs. What does a PLC do and how does it work? | Eaton PSEC