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Status Declined
Categories Data Archive
Created by Guest
Created on Aug 20, 2022

Prevent PI-TAGs to be overwritten with new data for certain time range

Normally our TAGs are filled with data coming from an analysis (or PI-Equation) by snapshot-data or recalculated data. But sometimes we have to do manual corrections due to data loss and have to write data to this PI-TAGs manually. And we are not allowed to change these corrections afterwards (e.g. when our obligatory technical account is already done). In this cases it would be great if I were able to configure (in AF) time ranges for PI-TAGs in which all archive data for these TAGs is locked and cannot be overwritten by other data (independent from where it comes from).
  • ADMIN RESPONSE
    Aug 20, 2022
    After careful investigation of this request, we have made the decision not to implement this request at this time. By "locking" a particular time range to disallowing overwriting data, there may be unintended consequences, such as for interpolations, especially if there are not archive values at the exact time boundaries. There are too many unknowns and risks especially with the existing data access methodologies.
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  • Guest
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    Aug 20, 2022
    The current closest thing to this is the EditDays tuning parameter.