Qualifiers for Actions in SFC You assign qualifiers to IEC steps. Qualifiers describe how a step action is processed. Qualifiers are processed by the SFCActionControl function block in the library Iec
SFC flags SFC flags are implicitly generated variables with predefined names. You can use flags to influence the processing of an SFC chart. You can use these flags, for example, to display timeouts o
Library: Analyzation This library contains POUs for the analysis of expressions. When a composite expression has the total value of FALSE , those of its components that contribute to this result can b
Reference: User Interface :
Dialog: Settings – SFC Settings Function : The dialog defines the default settings for all POUs which are used in the project and which are programmed in SFC. Call : View → Properties command; context
Command: Add Entry Action Symbol: Function : The command opens the Add Entry Action dialog where you define a new entry action. Depending on the SFC options, a dialog prompt may open for selecting the
Command: Insert Exit Action Symbol: Function : The command opens the Add Exit Action dialog where you define a new exit action. Depending on the SFC options, a dialog prompt may open for selecting the
Command: Init Step Symbol: Function : The command converts the selected step into an initial step. Call : SFC menu When you execute the command, the border of the step element changes to a double line
