Adding Comments to Ladder Program

Select the rung you wish to comment by placing the box cursor on the left power rail of the rung, or on any instruction in the rung.
Right-click on the left power rail for the rung
Select Edit Rung Comment
A window opens with a vertical cursor. Type descriptive text. Two consecutive <Enter> keys will terminate the comment.

To change an existing rung comment double click on the comment box and a text window opens with the comment. Make your changes. Click on the green check mark when finished.

To display the rung comments on the ladder logic display, the “Display page titles/rung descriptions" must be enabled. From the main menu:

Select Tools
Select Options...
Expand the Ladder Editor line
Select Display
Make sure "Show Rung Comments" is check marked