Annex D (normative)OPC UA Data Objects
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.