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PI Analyses Failed to Calculate Data Completely

Question asked by Weikang on Nov 30, 2018

HI folks,

I was trying to setup a PI AF Analyses to calculate the median of 5 tags and write it in to another pi tag (EventMedian). Below is my set up:

The data of the EventSource1 to EventSource5 come into the PI system in packs intermittently. Each pack contains 6 minutes data.

Below is a sample 6-minute data, and the blue curve is the calculated value (EvenMedian). It seems the analyses succeeded to calculate the former part of the data (~3 mins), but failed to calculate the later part of the data (~3 mins)

Can anyone please guide what did I do wrong in the setup?