A family of programming languages for programmable logic controllers (PLCs). Of the three graphical and two textual languages, ladder logic (see example below) was the first language and widely used.

A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. 1. The image above is ...

DevicesGUIX™, the new graphical user interface (GUI) development framework from Express Logic, is a small-footprint, low-overhead runtime engine and development tool featuring automatic code ...

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