HMV 
The representation of the HMV ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=433 |
| NamespaceUri | http://opcfoundation.org/UA/IEC61850-7-3 |
| BrowseName | HMV |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | IEC61850DOBaseObjectType |
The references from the HMV ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasDataObject | Object | <har> | CMV | MandatoryPlaceholder | |
| HasDataAttribute | Variable | numHar | UInt16 | BaseDataVariableType | Mandatory |
| HasDataAttribute | Variable | numCyc | UInt16 | BaseDataVariableType | Mandatory |
| HasDataAttribute | Variable | evalTm | UInt16 | BaseDataVariableType | Mandatory |
| HasDataAttribute | Variable | smpRate | UInt32 | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | frequency | Float | BaseDataVariableType | Mandatory |
| HasDataAttribute | Variable | hvRef | HvReferenceKind | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | rmsCyc | UInt16 | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | d | String | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | dU | String | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | cdcNs | String | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | cdcName | String | BaseDataVariableType | Optional |
| HasDataAttribute | Variable | dataNs | String | BaseDataVariableType | Optional |