Sequential Function Chart (SFC) is a powerful graphical formalism for the specification of logic controllers that is well recognized and very successful in industry. In this paper, a scheme for the ...

Learn how to create and test sequential function charts (SFCs) for Siemens PLCs using S7-GRAPH software. Follow a simple example of a conveyor belt system.

Graphical ladder logic function block diagram sequential function chart Textual structured text instruction list The following example of ladder logic shows how logical AND and OR gates are ...