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Cummulative value calculation using PI Expression

Question asked by MDA_Nuclear on Jun 3, 2016
Latest reply on Jun 20, 2016 by gachen

I am quite new to Processbook and PI in general. I am monitoring a tag over the course of the last 24 hours. I am wondering if I can create a dataset using PI Calc expressions which gives me the cumulative value of the tag at each point?

 

A Very short Example:

Time                                    Data           Cummulative Value (New dataset)

01-03-16 17:00:01              0.002                     0

01-03-16 17:00:02              0.010                     0.098

01-03-16 17:00:04              0.013                     0.101

01-03-16 17:00:05              0.002                     0.112

01-03-16 17:00:06              0.001                     0.113

01-03-16 17:00:10              0.040                     0.152

 

Thanks in advance

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