6 ISA-95 Data Representation Model ToC Previous Next

6.3 Core Data Type DataType ToC Previous Next

6.3.1 General ToC Previous Next

All data types defined as CDT are mapped to CDT DataTypes or CC DataTypes. Table 20 defines mapping of data types between CCTS and OPC UA.

Table 20 – CDT Data types

CDT OPC UA Description Category Definition
Amount CDTAmount   CDT Clause 6.3.2
Binary Object CDTBinaryObject   CDT Clause 6.3.3
Code CDTCode   CDT Clause 6.3.4
Date DateString   CC Clause 6.2.2
Date Time CDTDateTime   CDT OPC 10000-3
Duration DurationString   CC Clause 6.2.6
Graphic CDTGraphic   CDT Clause 6.3.6
Identifier CDTIdentifier   CDT Clause 6.3.7
Indicator Boolean   CC OPC 10000-3
Measure CDTMeasure   CDT Clause 6.3.7
Name LocaizedText Language supplemental is mapped to a “locale” element. CC OPC 10000-3
Number Number Decimal, Double, Float, Int16, Int32, and Int64 are allowed. CC OPC 10000-3
Ordinal CDTOrdinal   CDT Clause 6.3.9
Percent CDTMeasure Codes according to only percent shall be used. (e.g. “P1”) CDT Clause 6.3.7
Picture CDTPicture   CDT Clause 6.3.10
Quantity Number Decimal, Double, Float, Int16, Int32, and Int64 are allowed. CC OPC 10000-3
Rate CDTRate   CDT Clause 6.3.11
Ratio Number Decimal, Double, Float, Int16, Int32, and Int64 are allowed. CC OPC 10000-3
Sound CDTSound   CDT Clause 6.3.12
Text LocalizedText Language supplemental is mapped to a “locale” element. CC OPC 10000-3
Time TimeString   CC Clause 6.2.8
Value BaseDataType Decimal, Double, Float, Int16, Int32, Int64 or String is allowed. (other Variant types may also be supported) CC OPC 10000-3
Video CDTVideo   CDT Clause 6.3.13

Semantic of CDT that is mapped to CCDataType may be defined in ObjectTypes or VariableTypes.

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