### 12 Standard DataTypes

## 12.22 RationalNumber

This *Structured DataType* defines a rational number as a fraction of two integral numbers. Its elements are described in Table 243.

**Table 243** **– RationalNumber Structure**

Name |
Type |
Description |
---|---|---|

RationalNumber | Structure | |

Numerator | Int32 | Numerator of the rational number. The sign of the rational number is reflected in this value |

Denominator | UInt32 | Denominator of the rational number |

Its representation in the *AddressSpace* is defined in Table 244.

**Table 244** **– RationalNumber definition**

Attributes |
Value |
||||
---|---|---|---|---|---|

BrowseName | RationalNumber | ||||

IsAbstract | FALSE | ||||

References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
ModellingRule |

Subtype of the Structure DataType defined in Table 174. |
|||||

Conformance Units |
|||||

Base Info Rational Number |