Recommended Data Types

The following table lists the data types recommended for use with Historian.

Table 1. Recommended Data Types
OPC UA DA Collector Data Type Recommended Data Type in Historian
OpcUaType_NullihTKVariableString
OpcUaType_BooleanihTKBool
OpcUaType_SByteihTKByte
OpcUaType_ByteihTKByte
OpcUaType_Int16ihTKInteger
OpcUaType_UInt16ihTKUInt16
OpcUaType_Int32ihTKDoubleInteger
OpcUaType_UInt32ihTKUInt32
OpcUaType_Int64 ihTKInt64
OpcUaType_UInt64ihTKUInt64
OpcUaType_FloatihTKFloat
OpcUaType_DoubleihTKDoubleFloat
OpcUaType_DateTimeihTKVariableString
OpcUaType_Guid ihTKDataTypeUndefined
OpcUaType_StatusCode ihTKDataTypeUndefined
OpcUaType_StringihTKVariableString
OpcUaType_ByteStringihTKDataTypeUndefined
OpcUaType_XmlElementihTKDataTypeUndefined
OpcUaType_NodeId ihTKDataTypeUndefined
OpcUaType_ExpandedNodeIDihTKDataTypeUndefined
OpcUaType_DiagnosticInfo ihTKDataTypeUndefined
OpcUaType_QualifiedNameihTKDataTypeUndefined
OpcUaType_LocalizedTextihTKDataTypeUndefined
OpcUaType_ExtensionObject ihTKDataTypeUndefined
OpcUaType_DataValueihTKDataTypeUndefined