This document explains the advantages of Sequential Function Chart, SFC. This is a very expressive graphic formalism of the IEC 61131-3 standard. It is not considered a programming language as it needs other languages to express transition conditions and actions.
The original specification was created by a joint working group of PLCopen and the OPC Foundation and released in 2010. It defines an OPC UA Information Model to represent the IEC 61131-3 architectural models.
Industry 4.0, or Industrie 4.0, is a movement that has great impact on the world of industrial automation.
We are very proud to announce that PLCopen is celebrating its 25th anniversary.
On June 9, PLCopen had a very successful annual General Meeting in Amsterdam.
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