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3 result(s) for SwitchField

• OPC-10000-5 – OPC Unified Architecture - Part 5: Information Model
  C.2.6 FieldType
  This situation could occur if the field referenced is an optional field (see the SwitchField attribute). The length field shall be a fixed length Base-2 representation of an integer ... bytes or in the number of instances of the type referenced by the field. SwitchField xs:string If this attribute is specified, then the field is optional
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  5.3.7 Unions
  sequence with two entries. The first entry in the sequence is the SwitchField xs:element and specifies a numeric value which identifies which element in the xs:choice is encoded ... elements. The order in the xs:choice determines the value of the SwitchField when that choice is encoded. The first element has a SwitchField value of 1 and the last
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  H.10 Unions
  DataTypeDefinition is not preserved when a Union is serialized in JSON. The SwitchField may not appear as the first field. Table H.8 - JSON Object Definition for a Union Name Description ... SwitchField The identifier for the field in the Union which is encoded as a JSON number. The valid values for this field follow the conventions defined