SFC Element: Action Symbol: An action includes one or more statements in one of the valid implementation languages. You can assign an action to a Step and Transition . Actions that you use in SFC step
SFC Element: Branch Symbol: You use branches to program parallel or alternative sequences in the sequential function chart. In the case of alternative branches, CODESYS processes just one of the branc
SFC Element: Jump Symbol: A jump defines which step should be executed next as soon as the transition preceding the jump is TRUE . Jumps may become necessary, as execution paths cannot cross or lead u
SFC Element: Macro Symbol: A macro contains a part of the SFC chart which is not shown in detail in the main view of the editor. Using macros does not influence the processing flow. Macros are used to
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
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 :
transitions. Table 4 . SFC [...] only for compiler versions < 3.4 [...] Sfc.library in compiler version 3.4
Dialog: Options – SFC editor Symbol: Function : The dialog is used to configure the settings for the SFC editor . Call : Tools → Options command, SFC editor category Tab: Layout Table 5 . Elements Def
