Data services feedback portal

Welcome to our feedback site!


We created this site to hear your enhancement ideas, suggestions and feedback about CONNECT products and services. All of the feedback you share here is monitored and reviewed by the CONNECT product managers.

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Status No status
Product General
Categories Calculations
Created by Guest
Created on Aug 19, 2022

RELATED IDEAS

Time based summary calculations

Ability to perform hourly, daily, weekly monthly, quarterly aggregation summary calculations on data. Often useful for utility consumption KPIs / metrics.
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  • Guest
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    |     Aug 19, 2022
    A very common requirement, unfortunately currently made difficult in PI. The current workaround requires cascading a busy analogue into hourly buckets and then to daily buckets etc. This is done to take the load off the AF where the only other alternative is for PI to rerun calcs on busy analogues constantly and frequently. This approach is difficult as triggers require the pre-requisite values (e.g. hourly) to be calculated before rolling up into the next calculation (e.g. daily). It is possible to hard code the timestamps in the analysis expression to get the required results, although for functions like tagtot, for periodic scheduling it resets values to 0 at midnight even if you require to Output Timestamp to relative trigger time. This cuts-off the calcs for the previous day. The requirement must ensure the values align at similar time intervals, not as a cascading rolled-up sequence that becomes out of sync with real-time).