Command: Alternative Symbol: Function : The command converts the selected parallel branch into an alternative branch. Call : SFC menu Requirement : The horizontal connecting line of a branch is select
Command: Insert Action Association Symbol: Function : The command assigns an IEC action to a step. Call : SFC menu Requirement : A step is selected. CODESYS inserts the action element on the right nex
Command: Insert Action Association After Symbol: Function : The command assigns an IEC action to a step. Call : SFC menu Requirement : A step is selected. The command functions similar to the Insert A
Attribute: no_virtual_actions The pragma is used for function blocks that are derived from a function block implemented in SFC and use the fundamental SFC sequence of this base class. The actions call
CODESYS SFC The IEC 61131-3 programming language, Sequential Function Chart (SFC), is a graphical programming language for describing the chronological sequence of individual actions in a program. For
Processing Order in SFC . Basic behavior of elements Active step An active step includes actions currently being executed. In online mode, CODESYS displays active steps in blue. Init Step In the first
Generating an SFC Visualization A visualization with a block diagram can be generated for a POU (type: Program or Function block ) in the Sequential Function Chart (SFC) implementation language. The G
SFC editor The SFC editor is graphical editor. A new SFC POU contains an Initial step and a subsequent transition. In the SFC editor, you can insert individual elements into the chart by means of comm
SFC Editor in Online Mode In the SFC editor, the variables and expressions in use on the controller can be displayed at runtime. You can also write and force variables and expressions. Debugging funct