Query to Identify Conditions

Discussion created by brendanbell on Feb 20, 2013
Latest reply on Feb 27, 2013 by hanyong

I am trying to write a query that will identify when we have an extreme pressure drop within a short amount of time - say a drop of at least 200 PSI within 5 minutes. We have pressure data in a PI tag. I am open to other solutions than a PI Sql query. Any suggestions are appreciated.