For example, if the logic diagram shows that a motor should run when two switches are closed, you should close both switches and see if the motor runs and the test light or the buzzer turns on.

Ladder logic diagram is a graphical language for programming PLCs (programmable logic controllers) that uses symbols and connections to represent logic operations. However, like any programming ...

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 ...