Sequential Function Chart (SFC) is one of the PLC programming languages defined in the IEC-61131 standard. SFC has been increasingly used in practical applications because even small controllers can ...

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.

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 ...

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 ...