Enter notes for steps and transitions
"Sequential function chart"
It can be used to program processes that can be split into steps.
The main components of SFC are:
- Steps with associated actions
- Transitions with associated logic conditions
- Directed links between steps and transitions editor supports the definition of text notes for
each step and transition. The notes are entered in the level 2 editing window of
steps and transitions. Refer to the following topics for further information
about the level 2 editing window:
- entering Level 2 for steps
- entering Level 2 for transitions
Notes can be displayed in the chart. The last button of the toolbar enables you to switch between possible displays:
Swap between possible overviews of level 2 in
the level 1 chart: |
Notes have no meaning for the execution of the chart. Entering notes for steps and transitions enables you to enhance the auto-documentation of your programs. It also provides an easy way to write and exchange specifications of an SFC program before actions and conditions are programmed.