CUG 
The representation of the CUG ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=862 |
| NamespaceUri | http://opcfoundation.org/UA/IEC61850-7-3 |
| BrowseName | CUG |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | IEC61850DOBaseObjectType |
The references from the CUG ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasDataAttribute | Variable | cur | String | BaseDataVariableType | Mandatory |
| 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 |