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PI Data link Calculated Max Value Ignore Dates

Question asked by AndrewCamuso on Jul 18, 2019
Latest reply on Jul 19, 2019 by AndrewCamuso


I am using PI Datalink with “Calculated Data in max mode” and have it set up as follows   

Data Item = ‘Tag name’

Start Time = today

End time = -1year

Mode = Max


The code is working correctly by displaying the Max value for that tag

I need the program to ignore several dates but cannot find the correct expression for this.


I was using:

‘Tag name’ <> ‘1/05/2019’


Is there a way to express this?


Help would be much appreciated