Under Database in the program tree, there are several items that can be used to add or modify descriptions, symbols, and comments.
- We double-click on Address/Symbol, and the “Address and Symbol Editor” opens. We can double-click on any existing symbol or address description, and an editing window opens. At the bottom of the window, we see that address descriptions and symbols can be added for an address not currently on the list.
- We can edit Page Titles and Rung Comments in the same way. We open the Rung Comments item by double-clicking on it. Rung comments and page titles are often associated with the output instruction for a rung. This way, if rungs are added or deleted, the comment follows the output, not the rung number in the program.
As with the Address/Symbol editor, new comments or page titles can be added using the “Add New Record” button in the Rung Comment editor. When adding comments this way, the editor allows the choice of adding the comment to the rung number or the output instruction.
Whenever the program is saved, the RSLogix program gives the opportunity to add revision notes to the file so that a description of the current revision can be captured.
Entering revision notes is not required but can be helpful later if we need to revert to a previous version.
If these notes e...
One of the most useful methods for documenting and troubleshooting PLC code is to create a report, or printout, of the ladder program, data tables, cross reference, or other aspects of the RSLogix 500 configuration.
We will format the page layout for the report.
In the Layout section of the Report Options window, we see that we can define the report page title, the page header, and the page footer.
- We select Title in the window’s menu, and see the default title is RSLogix Title. We also see that the RSLog...
