as Preparation of function charts for control systems, and was based on GRAFCET [fr] (itself based on binary Petri nets). It can be used to program processes
medium volume. They can execute PLC languages such as Ladder, Flow-Chart/Grafcet, etc. They are similar to traditional PLCs, but their small size allows
Transactions IEC - International Electrotechnical Commission IEC 60848: 2002, GRAFCET specification language for sequential function charts IEC 60050-351: 2006
(rate) meters and/or monitors for beta, X and gamma radiation IEC 60848 GRAFCET specification language for sequential function charts IEC 60849 Sound Systems