Sequential function chart software8/17/2023 ![]() ![]() For this the branch must be an alternative branch. This command inserts a jump in the SFC editor at the end of the branch, to which the marked block belongs. To allow jumps to the parallel branches that have been created, these must be provided with a jump label (see 'Extras' 'Add label to parallel branch'). ![]() The new branch is then made up of one step. For this the marked block must both begin and end with a step. This command inserts a parallel branch in the SFC editor as the left branch of the marked block. To allow jumps to the parallel branches that have been created, these must be provided with a jump label. This command inserts a parallel branch in the SFC editor as the right branch of the marked block. The new branch is then made up of one transition. For this the marked block must both begin and end with a transition. This command inserts an alternative branch in the SFC editor as the left branch of the marked block. This command inserts an alternative branch in the SFC editor as a right branch of the marked block. This command inserts a step in the SFC editor followed by a transition after the first transition in the marked block. This command inserts a step in the SFC editor followed by a transition in front of the marked block. Observe that all commands can only be executed, if they do not contradict the conventions of the language. The resulting selection is the smallest cohesive group of elements that includes both of these elements. In order to mark a group of several elements, press for a block already marked, and select the element in the lower left or right corner of the group. You can select an element (a step, a transition, or a jump) by pointing the mouse on this element and pressing the left mouse button, or you can use the arrow keys. (In the example somewhat above, the step is marked Switch1.) In reference to these, the following menu items will be of service.Ī marked block is a bunch of SFC elements that are enclosed in a dotted rectangle. The editor for the sequential function chart must agree with the particulars of the SFC. Tooltips show in Offline as well as in Online mode and in the zoomed state the full names or expressions of steps, transitions, jumps, jump labels, qualifiers or associated actions.įor information about the sequential function chart, see the chapter about Sequential Function Chart editor. The most important commands are found in the context menu (right mouse button). The sequential function chart editor is a graphic editor. This is how a POU written in the SFC appears in the TwinCAT PLC Control editor:Īll editors for POUs consist of a declaration part and a body. ![]()
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