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Compression does not recognize zero

Question asked by Hobbe on Oct 15, 2019



I have a problem that is serious with a signal! 

The signal on OPC side is altering between 76 and 75,9000002


Sometimes the OPC writes 0,0005 but imediatelly after that it writes 76 again!


Some how the compression does not recognize the 0,0005. So when PI Vision plots the signal it looks that it have been in 0,0005 for a couple of minutes!

The snapshot plots the signal as it should be but if i update it it shows 0,0005 again whn it reads from archive.



The signal lokks like this with no step!



This is the settings