DirectSubClassType 
Measurement of DC current or voltage. The measurement of DC current or voltage.
The representation of the DirectSubClassType ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=2508 |
| NamespaceUri | http://opcfoundation.org/UA/MTConnect/v2/ |
| BrowseName | DirectSubClassType |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | MTDataItemSubClassType |