Table 69 shows the mapping for the FdtParameter.
Table 69 – FdtParameter mapping
| OPC | FDT | |||
| Attribute | Interface | Method | Data member | Description | 
| NodeClass | 
 | 
 | 
 | Fixed value: Variable | 
| BrowseName | IData | <GetDataInfo> | Name | 
 | 
| DisplayName | IData | <GetDataInfo> | Label | 
 | 
| Description | IData | <GetDataInfo> | Descriptor | 
 | 
| WriteMask | 
 | 
 | 
 | Generated by Frame | 
| UserWriteMask | IData | <GetDataInfo> | IsChangeEnabled | Generated by Frame | 
| Value | IData | <Read> / <Write> | 
 | 
 | 
| DataType | IData | <GetDataInfo> | DataTypeInfo | 
 | 
| ValueRank | IData | <GetDataInfo> | DataTypeInfo | Indicates whether the datatype is an array. | 
| ArrayDimensions | IData | <GetDataInfo> | DataTypeInfo | If the datatype is an array, then provide dimensions. | 
| AccessLevel | IData | <GetDataInfo> | IsReadable, IsWritable | Generated by Frame | 
| UserAccessLevel | IData | <GetDataInfo> | IsReadable, IsWritable | Generated by Frame | 
| MinimumSamplingInterval | 
 | 
 | 
 | Defined by Frame. | 
| Historizing | 
 | 
 | 
 | Defined by Frame. | 
| BrowseName | 
 | 
 | 
 | 
 | 
| 2:EURange | IData | <GetDataInfo> | RangeDataRefs | 
 | 
| 2:EngineeringUnits | IData | <GetDataInfo> | UnitDataRef | 
 | 
| 0:HasComponent | 
 | 
 | 
 | May be used for structured datatypes (StructDataGroup) | 
| 2:HasDefinition | 
 | 
 | 
 | Defined by Frame. | 
| 2:ValuePrecision | 
 | 
 | 
 | Defined by Frame. | 
| DisplayFormat | IData | <GetDataInfo> | DisplayFormat | 
 | 
| AlarmType | IData | <GetDataInfo> | AlarmType | 
 | 
| RangeType | IData | <GetDataInfo> | RangeType | 
 | 
| SubstitutionType | IData | <GetDataInfo> | SubstitutionType | 
 | 
| ApplicationId | IData | <GetDataInfo> | ApplicationId | 
 | 
| SemanticInfo | IData | <GetDataInfo> | SemanticInfos | 
 | 
| DataRef | IData | <GetDataInfo> | DataRefs | 
 | 
| IOSignalRef | IData | <GetDataInfo> | IOSignalRef | 
 | 
| AlarmDataRef | IData | <GetDataInfo> | AlarmDataRefs | 
 | 
| SubstituteDataRef | IData | <GetDataInfo> | SubstituteDataRef | 
 |