Insight Historian API

Tags

This custom query returns the tags based on the query expression.

Sample query expression

{

"QueryName": "WeatherTags",

"Service":{

"Method": "Get",

"ItemPath":"apis/Historian/v2/Tags",

"QueryParameter": "$filter=startswith(FQN, ‘Weather.Los Angeles’)",

"NextPage": "@odata.nextLink"

}

}

ProcessValues

This custom query returns the process values for the given tags.

Sample query expression

{

"QueryName": "ProcessValues",

"Service":

{

"Method": "Get",

"ItemPath":"apis/Historian/v2/ProcessValues",

"QueryParameter": "TagFilter=startswith(FQN, 'London.Mash200.temperature_PV')&StartDateTime=\"[RequestedStartTime]\"&EndDateTime=\"[RequestedEndTime]\"&RetrievalMode=Full",

"NextPage": "@odata.nextLink"

}

}