Sequential Function Chart (SFC) Editor

The SFC Editor is a graphic tool used to enter and manage Sequential Function Chart according to the IEC 61131-3 standard.

The editor supports advanced graphic features such as drag-and-drop, so that you can freely and rapidly arrange the elements of your diagram. It also supports automatic chart formatting when inserting or deleting items, and thus enables quick input using the keyboard.


  • For each step, the cells referring to P1, N, and P0 actions are colored when they are defined.


    • Select a step, transition, or jump and press Ctrl+ENTER to change its number.
    • Press the Spacebar on the main corner (on the left) of a ulergence or convergence, to set either double or single horizontal line style.

See (➜ # 1, Sequential Function Chart (SFC)) for more information.

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