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Force a bad value?

Question asked by lsexton1 on Aug 17, 2018
Latest reply on Aug 20, 2018 by lsexton1

We have a legacy interface that recently failed catastrophically and will not be restored since we've created these tags on newer interfaces.  The tags belonging to this interface continue to show the last value recorded with a timestamp of when the interface failed.  Since we have a large number of spreadsheets and displays created that may be still referencing the tags on this old interface we would like to force a bad value into the archive for these tags so that the tags are easily identifiable in any displays that may still be using them.  People may not notice that a value is not changing, but they would notice Bad Value or something similar.  Is there a way to write a Bad Status value to these tags?  Most of these will be either float or integer tags.  Thanks!