For example, a rung may contain a switch, a contact, and a coil, which form a series connection. The logic of the circuit can be read from left to right, following the flow of current.

Network diagram symbols are visual representations of different devices, connections, and functions in a network. They can help you create clear and consistent documentation of your network design ...

Scope: This Standard sets forth principles governing the formation of graphical symbols for logic diagrams in which connections between symbols are generally shown with lines. Definitions of logic ...