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
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
Implicit Variables Every SFC object supplies implicit variables for you to monitor the status of steps and IEC actions at runtime. These implicit variables are automatically declared for each step and
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: Project Settings – SFC Symbol: Function : The dialog is used to configure the settings of SFC objects. The properties of each new SFC object automatically have the configured settings. Call :
