This complex VariableType is used for information which needs to be provided as a fraction number. It reflects the semantic of its DataType, defined in 12.22 and is formally defined in Table 88.
Table 88 – RationalNumberType Definition
|
Attribute |
Value |
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|
BrowseName |
RationalNumberType |
|||||
|
IsAbstract |
False |
|||||
|
ValueRank |
Scalar |
|||||
|
DataType |
RationalNumber |
|||||
|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Modelling Rule |
|
|
Subtype of the BaseDataVariableType defined in 7.4 |
||||||
|
HasComponent |
Variable |
Numerator |
Int32 |
BaseDataVariableType |
Mandatory |
|
|
HasComponent |
Variable |
Denominator |
UInt32 |
BaseDataVariableType |
Mandatory |
|
|
Conformance Units |
||||||
|
Base Info Rational Number |
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Numerator and Denominator reflect the DataType RationalNumber.