MTConstraintType 
The MTConnect constraints. The Values or the Minimum, Maximum, and Nominal values should be provided. Multiple Values can be provided as an array as a set of allowable values for this \gls{MTDataItem}. A constraint is used by a software application to evaluate the validity of the reported data.
The representation of the MTConstraintType ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=2647 |
| NamespaceUri | http://opcfoundation.org/UA/MTConnect/v2/ |
| BrowseName | MTConstraintType |
| NodeClass | ObjectType |
| IsAbstract | False |
| SubtypeOf | BaseObjectType |
The references from the MTConstraintType ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | Maximum | Float | PropertyType | Optional |
| HasProperty | Variable | Minimum | Float | PropertyType | Optional |
| HasProperty | Variable | Nominal | Float | PropertyType | Optional |
| HasProperty | Variable | Values | String[] | PropertyType | Optional |