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Ignition database test

2022-01-27 02:28:36 Danshui Yu

Environmental Science

Ignition 8.1.2 (b2021020311)

Delete point

tag Do not cancel history storage , Delete directly ,retired Recording time
tag Cancel history storage , And then delete ,retired Don't record the time
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After deleting , Add a point with the same name , The curve continues :
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Point modification name

tag Start naming :valve tag
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tag Change the name :valve tag2
The curve starts again , Will not save before tag The curve of
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here , Database to modify , Put the previous curve tag valve tag Change the name to the latest valve tag2, The curve remains continuous

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Summary

  1. Delete the stored history tag, Just delete it ,retired The deletion time will be recorded automatically .
  2. modify tag name , If you want to keep the curve continuous , You can modify the data in the database tag The name of .

copyright notice
author[Danshui Yu],Please bring the original link to reprint, thank you.
https://en.cdmana.com/2022/01/202201270228338313.html

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