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Import NULL PI Values Using piconfig

Question asked by bjohanneck on May 27, 2020

I'm working in a development environment, and need to import NULL PI Value's as place holders for the time interval.


The goal here is to trend multiple (4-6) Attributes, and have one attribute trend mirror one other - identically.


5 out of 6 datasets have have NULL Values, and one doesn' I recognize that this is somewhat contradictory - as the datasets aren't identical.


I've read other posts regarding using a digital state (NoSample, NoResult, NoData etc) but am not clear on what exactly to use as PI Values in my .csv file for piconfig import.


I also tried setting Questionable flags on the NULL intervals, and that didn't seem to help.


Is this even possible?