hisTotalized
Kind: | Marker |
---|
Indicates values which are a continuous stream of totalization and should be read by computing the delta.
From: Structure | Point His
If a point is historized this means that we have a time-series sampling of the point's value over a time range. Historized points are sometimes called logged or trended points. Historized points should be tagged with the his
tag.
Historized points can have their time-series data read/write over HTTP via the hisRead and hisWrite operations.
If a point implements the his
tag, then it should also implement these tags:
tz
: all historized points must define this tag with their timezone name (must match the point's site timezone)hisInterpolate
: optionally defined to indicate whether the point is logged by interval of change-of-valuehisTotalized
: optionally defined to indicate a point is collected an ongoing accumulated value
The current status of historization is modeled with: