Actions

An action can be:

• a collection of instructions in the IL language;
• a collection of networks in the FBD language;
• a collection of rungs in the LD language;
• a collection of statements in the ST language;
• a sequential function chart (SFC) organized as defined in this section.

Zero or more actions can be associated with each step. Actions are declared via one of the textual structuring elements listed in the following table.

Structuring element	Description
STEP StepName :(* Step body *)END_STEP	Step (textual form)
INITIAL_STEP StepName :(* Step body *)END_STEP	Initial step (textual form)

Such a structuring element exists in the lsc file for every step having at least one associate action.