Issue
WorkPlace Tech application was created with constant tags for writing test values to the application. After uploading a previously downloaded application that contains constant tags with a [NA] value, none of those constant tags are drawn on the regenerated application drawing.
Product Line
TAC IA Series
Environment
- I/A Series WorkPlace Tech Tool version 4.x (any release)
- I/A Series WorkPlace Tech Tool version 5.x.x (any release)
Cause
The default input value for any unused control object input is a value of [NA]. Since all unused inputs have the implied [NA] constant, they are not drawn on a regenerated WorkPlace Tech application drawing.
Resolution
This action is by design.
By design, a constant tag can be added to any previously unused control object input and a value written to the controller via that constant tag using the Write to Ram function. When adding constant tags to inputs, it is not necessary to recompile and download the application unless you desire that the new "Non-NA" value be saved in the application hex file. With this in mind, remember that constant values are written to an installed application using the "Write to Ram" function will be lost when the controller is rebooted.
