Protocol support files are exposed as Variables organised in the ProtocolSupport folder. They may represent various types of information as defined by a protocol. Examples are a GSD or a CFF file. The “ProtocolSupportFolder is formally defined in Table 23.

Table 23 – ProtocolSupport definition

Attribute

Value

BrowseName

ProtocolSupport

References

NodeClass

BrowseName

TypeDefinition

DataType

ModellingRule

HasTypeDefinition

ObjectType

FolderType (defined in OPC 10000-5)

HasComponent

Variable

<ProtocolSupportIdentifier>

BaseDataVariableType

ByteString

MandatoryPlaceholder

All protocol support files are transferred as a ByteString. The BrowseName of each Variable shall consist of the complete filename including the extension that can be used to identify the type of information.