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AVEVA™ Historian

Minutely (v1 only)

  • Last UpdatedMar 19, 2025
  • 2 minute read

Description

Retrieves summary values with a 1-minute resolution for the tags specified. Default duration for minutely summaries is the last 1 hour. The default for Minutely is to report summary values for the last hour.

URL

/Minutely

Method

GET 

Required Parameters

  • FQN=[string]
    The fully qualified name for the tag. A fully qualified tagname uses the format: DataSourceName.TagName.

  • StartDateTime=[DateTimeOffset]
    The starting date and time for the retrieval cycle. This is always specified in UTC using the RFC3339 / ISO8601 format with the Z time zone designator. For example: 2016-09-03T18:44:09.352247Z

  • EndDateTime=[DateTimeOffset]
    The ending date and time for the retrieval cycle. This is always specified in UTC using the RFC3339 / ISO8601 format with the Z time zone designator. For example: 2016-09-03T18:44:09.352247Z

Optional Parameters

  • TimeZone=[string]
    The timezone used for the timeframe. See "Accepted values for TimeZone" below.

  • OPCQuality=[Int32]
    OPC quality. Normal OPC quality retrieval logic is applied if:

    All the point found and processed for this row have GOOD quality. If they all have the same GOOD quality, then that quality is returned.

    If there is a gap in the entire calculation cycle, then BAD quality is returned for the tag.

    For any other scenario with any mixture of GOOD and BAD points, a DOUBTFUL OPC quality (64) is returned.

  • PercentGood=[Double]
    The ratio of the number of rows that have "good" quality to the total number of rows in the retrieval cycle, expressed as a percentage in the range 0 to 100.

  • Analog=[analog statistics]
    An embedded collection that maps to AnalogSummary.

  • Split=[collection of state statistics]
    An embedded collection that maps to StateSummary for the ValueState retrieval mode.

  • Contained=[collection of state statistics]
    An embedded collection that maps to StateSummary for the ContainedState retrieval mode.

  • Raw
    A URL used to retrieve all stored values for a specified time period and tag. This is equivalent to a preconfigured ProcessValue query.

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