Sequential Function Chart (SFC) Editor

The SFC editor is a powerful graphical tool that enables you to enter and manages 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 rapidly and freely 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.


SFC diagram components:
Related sections:
Parallel branches
Jump to a step
Macro steps
Timeout check
Using the SFC toolbar
Drawing divergences
Viewing the chart
Moving or copying parts of the chart
Entering macro-steps
Renumbering steps and transitions
Entering actions of a step
Entering condition of a transition
Notes for steps and transitions


- To change the number of a step, transition or jump, select it and hit Ctrl+ENTER keys.
- Hit SPACE bar on the main corner (on the left) of a divergence or convergence to set double/single horizontal line style.