Search

1 result(s) for DataValues, Annotations

• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.9.1 Overview
  more HistoricalEventNodes . The HistoryUpdate Service is used to update or delete, DataValues, Annotations or Events . For simplicity the term "entry" will be used to mean either DataValue, Annotation ... Historical Updates. If the HistoryUpdate Service is called with two or more of DataValues , Events or Annotations in the same call the Server operational limits MaxNodesPerHistoryUpdateData and MaxNodesPerHistoryUpdateEvents (defined