This VariableType defines a standard representation of the version information that is related the MDIS Specification.

Table 90 – MDISVersionVariableType

Attribute	Value
BrowseName	MDISVersionVariableType
IsAbstract	False
ValueRank	-1 (-1 = Scalar)
DataType	MDISVersionDataType
References	Node Class	BrowseName	DataType	TypeDefinition	Other
Subtype of the 0:BaseDataVariableType defined in OPC 10000-5.
0:HasProperty	Variable	MajorVersion	0:Byte	0:PropertyType	M, RO
0:HasProperty	Variable	MinorVersion	0:Byte	0:PropertyType	M, RO
0:HasProperty	Variable	Build	0:Byte	0:PropertyType	M, RO
ConformanceUnits
MDIS Information version

MajorVersion number is the major version of the MDIS OPC UA companion specification. For example, for version 1.2 of the MDIS Specification this will be a 1.

MinorVersion number is the minor version of the MDIS OPC UA companion specification. For example, for version 1.2 of the MDIS Specification this will be a 2.

Build number is additional version information that can be associated with minor updates, patches that could be provided by the MDIS organization related to the MDIS Information model NodeSet file. Typically, this will be 0.