OPC UA DataTypes – OPC UA for Laboratory & Analytical Device Standard (LADS)

8 OPC UA DataTypes

A key-value pair similar to 0:KeyValuePair which uses 0:String instead of 0:QualifiedName. The structure is defined in Table 127.

Table 127 – KeyValueType Structure

Name	Type	Description
KeyValueType	structure	Subtype of Structure defined in OPC 10000-3
Key	0:String	unique key to identify a value
Value	0:String	the value associated with the key

Its representation in the AddressSpace is defined in Table 128.

Table 128 – KeyValueType Definition

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Structure defined in OPC 10000-3

Conformance Units
LADS KeyValueType

This DataType contains metadata for a sample, specifically data on the location of the sample in a container.

The structure is defined in Table 129.

Table 129 – SampleInfoType Structure

Name	Type	Description
SampleInfoType	structure	Subtype of Structure defined in OPC 10000-3
ContainerId	0:String	Identifier of the container the sample is in. May be null.
SampleId	0:String	Identifier of the sample
Position	0:String	Vendor-specific description of the position of the sample in the container
CustomData	0:String	Custom data field for vendor-specific data

Its representation in the AddressSpace is defined in Table 130.

Table 130 – SampleInfoType Definition

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Structure defined in OPC 10000-3

Conformance Units
LADS SampleInfoType

This enumeration defines the different statuses a task can have as result. The enumeration is defined in Table 131.

Table 131 – MaintenanceTaskResultEnum Items

Name	Value	Description
Success	0	The maintenance task stopped successfully.
Failure	1	The maintenance task stopped with failure.
Undetermined	2	The status of the maintenance task upon stopping cannot be determined.

Its representation in the AddressSpace is defined in Table 132.

Table 132 – MaintenanceTaskResultEnum definition

Attribute		Value
BrowseName		MaintenanceTaskResultEnum
IsAbstract		false

References	NodeClass		BrowseName	DataType	TypeDefinition	Other
Subtype of the Enumeration defined in OPC 10000-3
0:HasProperty	Variable		EnumValues	EnumValueType[]	0:PropertyType

Conformance Units
LADS MaintenanceTaskResultEnum