OPC 10000-4specifies all Services needed for OPC UA Aggregates. In particular:

  • The Browse Service Set or Query Service Set to detect Aggregatesand their configuration.
  • The HistoryRead Service of the Attribute Service Set to read the aggregated history of the HistoricalNodes.
  • The CreateMonitoredItems Service allows specifying a filter for each MonitoredItem to read aggregated data.