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| Haystack Tag | Niagara Type | Description |
|---|---|---|
| hs:his | Marker | The his tag is used to define a historized point |
| hs:seriesTransform | BOrd | The BOrd to the Transform Graph component |
| hs:sourceName# | String | The name of the History Source within the Transform Graph. The '#' allows configuration of multiple history sources. This number should start at "1" and continue up to the n number of sources. |
| hs:sourceOrd# | BOrd | The BOrd to the history that will be plugged into the transform graph. |
| hs:unit | String | The unit facet (the value facet used in the transform graph is not used with Periscope). |
Example
Here we have a simple TransformGraph located at station:|slot:/PeriscopeTechDemo/TransformGraph. This graph contains one History Source Node simply called "HistorySource" which goes through a Scale Node and finishes at the Terminal. In order to apply this transformation and make the result usable in Periscope we need to setup a record with the appropriate tags.
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