SFC macro steps
A: Main Chart
B: Body of the macro-step
1: Macro step symbol
2: "Begin" step
3: "End" step
-
-
- The macro-step symbol and the beginning step must have
the same number.
- The body of the macro-step must have no link with other parts of the main
diagram (must be connected).
- A macro step is not a "sub program". It is just a drawing features that enables you to make clearer charts. You must never insert several macro-step symbols referring to the same macro-step body.
- The macro-step symbol and the beginning step must have
the same number.