Rung Comment List in Sysmac
Written by Arlo D'Cruz
Updated at June 8th, 2026
The Rung Comment List is a list that displays only rung comments in a Ladder Editor diagram. It helps you understand the processing flow of ladder rungs and identify specific rungs you want to navigate to. It can also display rung comments hierarchically if you set titles.
The Rung comment list is found on the left side of your section and can be expanded if you click on it.
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Rung comments you defined in your code will appear in this section, and clicking on them will navigate to that section of code.
Collapsible headings can be defined by prefixing a rung comment with the “#” symbol.