ProgramDiagnostic2Type VariableType – OPC Unified Architecture

5.2.9 ProgramDiagnostic2Type VariableType

This VariableType aggregates simple Variables using simple DataTypes that reflect the elements of the ProgramDiagnosticDataType structure. Its DataVariables have the same semantic as defined in in 5.2.8.

Note The original ProgramDiagnosticType VariableType had the same flaws as the structure. To avoid collisions with existing implementations, a new version with name ProgramDiagnostic2Type has been created.

The VariableType is formally defined in Table 13.

Table 13 – ProgramDiagnostic2Type VariableType

Attribute	Value
BrowseName	ProgramDiagnostic2Type
DataType	ProgramDiagnostic2DataType
ValueRank	-1 (Scalar)
IsAbstract	False

References	NodeClass	BrowseName	DataType / TypeDefinition	Modelling Rule
Subtype of the BaseDataVariableType defined in OPC 10000-5.
HasComponent	Variable	CreateSessionId	NodeId	Mandatory
HasComponent	Variable	CreateClientName	String	Mandatory
HasComponent	Variable	InvocationCreationTime	UtcTime	Mandatory
HasProperty	Variable	LastTransitionTime	UtcTime	Mandatory
HasComponent	Variable	LastMethodCall	String	Mandatory
HasComponent	Variable	LastMethodSessionId	NodeId	Mandatory
HasComponent	Variable	LastMethodInputArguments	Argument[]	Mandatory
HasComponent	Variable	LastMethodOutputArguments	Argument[]	Mandatory
HasComponent	Variable	LastMethodInputValues	BaseDataType[]	Mandatory
HasComponent	Variable	LastMethodOutputValues	BaseDataType[]	Mandatory
HasComponent	Variable	LastMethodCallTime	UtcTime	Mandatory
HasComponent	Variable	LastMethodReturnStatus	StatusCode	Mandatory

Conformance Units
Program Basic