| NodeId | ns=1;i=21 | 
| NodeClass | DataType | 
| BrowseName | 1:WwUnitStateEnumeration | 
| DisplayName | WwUnitStateEnumeration | 
| Description | This enumeration represents the generalized state of a unit. | 
| BaseType | 0:Enumeration | 
| IsAbstract | False | 
| Name | Value | Description | 
|---|---|---|
| OFFLINE | 0 | The component is offline. | 
| STANDBY | 1 | The unit is in standby. | 
| READY | 2 | The unit is ready to start working. | 
| WORKING | 3 | The unit is working. | 
| ERROR | 4 | The unit is not able to start working because there is an error. The cause can be an alarm or error or user intervention. | 
| Reference | NodeClass | BrowseName | TypeDefinition | DataType | Other | 
|---|---|---|---|---|---|
| 0:HasProperty | Variable | 0:EnumValues | 0:PropertyType | 0:EnumValueType[5] |