“It (Ladder Diagram) looks like old school hardware relay logic diagrams. It's basically all Boolean math and Boolean decisions, for the most part,” he said. Meanwhile, the Function Block language ...

THE use of function blocks for programming of programmable logic controllers (PLCs) is gaining wider acceptance. Rather than the classic “contact and coil” representation of ladder diagram or relay ...

An overview of the hardware and software components of PLCs and their programming languages. A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and ...

On the surface, a programmable logic controller (PLC) might seem like nothing more than a generic microcontroller, perhaps outfitted to operate in industrial settings with things like high temperat… ...