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So Totalizer tags have a filter condition option. If you are using the PI-SMT Totalizers plugin, look under the Sampling tab - you will see an option labelled 'Filter the source data with the following expression'. You use standard PE expression syntax here, like 'ATag' > 100.
2 of 2 people found this helpful
John's answer is correct. I just want to bring to your attention that this can be done with Asset Analytics in AF and easily done with the array implementation in 2018. This is new technology preferred over the much older Totalizer functionality in the PI Data Archive.