Preserve non-volatile tags when downloading new program
Posted: Mon Sep 03, 2012 12:24 pm
Is there a way to preserve the non-volatile tags when I download a new version of my program to a txa panel?
You could write a script that saves the tag values to a file then reads back the values into memory on program startup. A script module is instantiated on program startup, which means you could put your "Load tag" code in the constructor of the Script Module.
You would want to periodically save the data to the file, as there is no way to know when the T7A will go into transfer mode.
You can also look at using a Recipe to do what you want.