Annex D OPC UA Data Objects (Normative)

D.1 Data Object attributes

Table 64 and Table 65 define Data Object attributes together with their source.

Table 64 – Data Object attributes obtained from GSDML
Data Object attribute Source
GSDML Name Value of “Content” attribute of “Meta” element with “Property” attribute =“opc:Name”
GSDML Type DataType attribute of ParameterRecordDataItem/Ref element defining the Data Object, mapped according to B.1.
GSDML Range Value of “Content” attribute of “Meta” element with “Property” attribute =“opc:EURange”
GSDML Unit Value of “Content” attribute of “Meta” element with “Property” attribute =“opc:EngineeringUnit”
GSDML Folder Value of “Content” attribute of “Meta” element with “Property” attribute =“opc:FunctionGroupName”
BMP Number Element of “Content” attribute of “Meta” element with “Property” attribute =“opc:ParameterNumber”, see Table 62.
Table 65 – Data Object attributes obtained using BMP Access
Data Object attribute Source
BMP Name “Name” field under subindex 6 of the parameter description (BMP Name, see [PDP], 6.2.1.3 Parameter description, Table 17 ).
BMP Type First byte of the parameter description element “Identifier(ID)” under subindex 1 of the parameter description (see [PDP], Tables 17 and 18), mapped according to B.2.
BMP Range Low/high limit under subindices 7 and 8 of the parameter description, see [PDP], 6.2.1.3.
BMP Unit Obtained as described in [PDP], sec. 6.2.1.3, Variable attribute under subindex 4 of the parameter description, Tables 19 to 23).
BMP Text Mapped element from the text array assigned to “simple” BMPs as described in [PDP], sec. 6.2.1.4.
BMP Array Array BMP values, see [PDP], 6.2.1.3.
BMP Text Array Text array provided for “array” BMPs as described in [PDP], sec. 6.2.1.4.