SIMG 
The representation of the SIMG ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=4940 |
| NamespaceUri | http://opcfoundation.org/UA/IEC61850-7-4 |
| BrowseName | SIMG |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | CommonLN |
The references from the SIMG ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasDataObject | Object | InsAlm | SPS | Mandatory | |
| HasDataObject | Object | InsBlk | SPS | Optional | |
| HasDataObject | Object | InsTr | SPS | Optional | |
| HasDataObject | Object | PresAlm | SPS | Optional | |
| HasDataObject | Object | DenAlm | SPS | Optional | |
| HasDataObject | Object | TmpAlm | SPS | Optional | |
| HasDataObject | Object | InsLevMax | SPS | Optional | |
| HasDataObject | Object | InsLevMin | SPS | Optional | |
| HasDataObject | Object | Pres | MV | Optional | |
| HasDataObject | Object | Den | MV | Optional | |
| HasDataObject | Object | Tmp | MV | Optional | |
| HasDataObject | Object | InsBlkTmh | INS | Optional | |
| HasDataObject | Object | OpCntRs | INC | Optional |