TwoStateVariableType 
The representation of the TwoStateVariableType VariableType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | i=8995 |
| NamespaceUri | http://opcfoundation.org/UA/ |
| BrowseName | TwoStateVariableType |
| NodeClass | VariableType |
| DataType | LocalizedText |
| ValueRank | -1 |
| IsAbstract | False |
| SubtypeOf | StateVariableType |
The references from the TwoStateVariableType VariableType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | Id | Boolean | PropertyType | Mandatory |
| HasProperty | Variable | TransitionTime | UtcTime | PropertyType | Optional |
| HasProperty | Variable | EffectiveTransitionTime | UtcTime | PropertyType | Optional |
| HasProperty | Variable | TrueState | LocalizedText | PropertyType | Optional |
| HasProperty | Variable | FalseState | LocalizedText | PropertyType | Optional |