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8 result(s) for DataItemType

• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.1 DataItemType
  DataItemType This VariableType defines the general characteristics of a DataItem . All other DataItem Types derive from it. The DataItemType derives from the BaseDataVariableType and therefore shares the variable model ... formally defined in Table 1 . Table 1 - DataItemType definition Attribute Value BrowseName DataItemType IsAbstract False ValueRank -2 (-2 = 'Any') DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.1 General
  General The DataAccess model extends the variable model by defining VariableTypes . The DataItemType is the base type. ArrayItemType , Base AnalogType and DiscreteItemType are specializations. See Figure 2 . Each of these
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.2.2 BaseAnalogType
  this base type will mandate some of the Properties . The BaseAnalogType derives from the DataItemType . It is formally defined in Table 2 . Table 2 - BaseAnalogType definition Attribute Value BrowseName BaseAnalogType ... DataType Number References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DataItemType defined in 5.3.1 ; i.e. the Properties of that type are inherited. HasSubtype VariableType AnalogItemType Defined in 5.3.2.3 HasSubtype
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.3.1 General
  used in a filter when browsing or querying. The DiscreteItemType derives from the DataItemType and therefore shares all of its characteristics. It is formally defined in Table 8 . Table ... DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DataItemType defined in 5.2 ; i.e. the Properties of that type are inherited. HasSubtype VariableType TwoStateDiscreteType Defined in 5.3.3.2 HasSubtype
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  5.3.4.1 General
  AxisScaleType Properties can be filled with reasonable values. If this is not the case DataItemType and subtypes like AnalogItemType, which also support arrays, shall be used. The ArrayItemType is formally ... OneOrMoreDimensions) DataType BaseDataType References NodeClass BrowseName DataType TypeDefinition ModellingRule Subtype of the DataItemType defined in 5.3.1 ; i.e. the Properties of that type are inherited. HasSubtype VariableType YArrayItemType Defined
• OPC-10000-8 – OPC Unified Architecture - Part 8: Data Access
  A.3.1.3 Item
  EUInfo Property of the DA item are assigned to the EnumStrings Property . DataItemType : An item in the DA Server that is not any of the above types is represented ... Variable of DataItemType in the COM UA Wrapper . Below are mappings that are common for all item types The name of the item in the DA Server is used
• OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation
  7.5.1 CalibrationValueType
  CalibrationValueType The CalibrationValueType is a subtype of the DataItemType . It represents the specific quantity and value (with engineering unit) that a calibration target provides for calibration of equipment. The VariableType ... calibration of equipment. References NodeClass BrowseName DataType TypeDefinition Other Subtype of the 0:DataItemType defined in OPC 10000-8 , i.e. inheriting the InstanceDeclarations of that Node 0:HasProperty Variable
• OPC-10000-200 – OPC Unified Architecture - Part 200: Industrial Automation
  7.5.2 CapacityRangeType
  CapacityRangeType The CapacityRangeType is a subtype of the DataItemType . It is used to represent a scale of calibration values. The value of the Variable defines the range (lowest and highest ... size of each step. References NodeClass BrowseName DataType TypeDefinition Other Subtype of the 0:DataItemType defined in OPC 10000-8 , i.e. inheriting the InstanceDeclarations of that Node 0:HasProperty Variable