When learning ladder logic, I was told that some new PLC systems were moving to scripted programming languages. My instructor assured us that we would not need to know anything other than ladder logic ...

Hardware for PLCs provides essential information on the basic functions of a PLC's hardware components and how they work together to execute a PLC program. The hardware components of a PLC are the ...

Some common pitfalls in machine safety have to do with not wiring devices correctly. Many devices today can cover a range of safety levels, such as SIL 1 through SIL 3, but have different wiring ...