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3 result(s) for Variables.

• OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model
  7.17 OptionSetType
  DataType would be used when the bit mask is fixed and applies to several Variables. The VariableType would be used when the bit mask is specific for only that Variable
• OPC-10000-11 – OPC Unified Architecture - Part 11: Historical Access
  6.5.1 Overview
  values from the history database by specifying a time domain for one or more Variables . See 6.5.3.1 . When this parameter is specified, the Server returns a HistoryData structure for each ... ModifiedValues from the history database by specifying a time domain for one or more Variables. See 6.5.3.1 . When this parameter is specified, the Server returns a HistoryModifiedData structure for each
• OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names
  9.3 TagVariables
  restrict instances of AliasNameType to those that have an AliasFor References that point to Variables. The TagVariables instance is formally defined in Table 23 . Table 23 - TagVariables definition Attribute Value ... This is the root folder for AliasNameType instances that contain an AliasFor reference to Variables. It can contain additional AliasNameCategoryType Objects , which could be used to create a hierarchy