For example, an AND gate outputs 1 only if both inputs are 1, while an OR gate outputs 1 if either input is 1. There are seven basic types of logic gates: AND, OR, NOT, NAND, NOR, XOR and XNOR.

Ladder logic diagram is a graphical language for programming PLCs ... This is a space to share examples, stories, or insights that don’t fit into any of the previous sections.

This document presents a method of a logical links structure recognition between elements on diagrams. The applied approach intuitively mimics a human way of recognition that relies on merging already ...