PTUC 
The representation of the PTUC ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3923 |
| NamespaceUri | http://opcfoundation.org/UA/IEC61850-7-4 |
| BrowseName | PTUC |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | CommonLN |
The references from the PTUC ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasDataObject | Object | Str | ACD | Mandatory | |
| HasDataObject | Object | Op | ACT | Mandatory | |
| HasDataObject | Object | OpCntRs | INC | Optional | |
| HasDataObject | Object | TmACrv | CURVE | Optional | |
| HasDataObject | Object | TmAChr | CSG | Optional | |
| HasDataObject | Object | TmASt | CSD | Optional | |
| HasDataObject | Object | StrVal | ASG | Optional | |
| HasDataObject | Object | OpDlTmms | ING | Optional | |
| HasDataObject | Object | TmMult | ASG | Optional | |
| HasDataObject | Object | MinOpTmms | ING | Optional | |
| HasDataObject | Object | MaxOpTmms | ING | Optional | |
| HasDataObject | Object | TypRsCrv | ENGResetCurveKind | Optional | |
| HasDataObject | Object | RsDlTmms | ING | Optional | |
| HasDataObject | Object | DirMod | ENGDirectionModeKind | Optional |