The graphical programming realm Explaining the principal differences among the graphical PLC programming languages, Yerger started with Ladder Diagram, noting its development from relay logic. “It ...

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 ...

Matteo Dariol: Ladder logic is like Assembly or C, they are old but widely used languages. They all have pros and cons, but they are all tools in a control engineer’s toolbox.

Until recently, programming and the integration of controls and motion components usually required several programming languages. Ladder logic was used for the control logic of a PLC and for the ...

Logic programming is investigated as a vehicle for structuring and implementing decision support systems, with particular attention paid to those dealing with financial modeling. This approach to ...