What are SFC ?
SFC stands for sequential function charts.
The sequential function chart is a graphically oriented language which allows to describe the chronological order of particular actions within a program.These actions are available as separate programming objects,written in any available programming language.
In a SFC the actions are assigned to step elements and the sequence of processing is controlled by transition elements.
SFC is a high level language to describe control sequence in graphical form.
Why SFC’s are used ?
Complex logic can be difficult to write using scripting alone.
SFC streamline the creation,organization and visualization of robust logic systems.