Sequential Function Charts (SFC) is a visual programming language commonly used for programming programmable logic controllers (PLCs) and is part of the IEC 61131-3 standard. Include information and tags for the SFC IDE such as RsLogix, [wago], or [codesys] on questions about usage.
SFC is a programming language for PLCs development and can also be used to implement supervisory controllers for industrial applications. Sequential Function Charts could allow analysis of workflow in conjunction with plant models.
Basically, they are composed of
- steps (actions)
- transitions (logical test)
- directed links