MDISAggregateObjectType 
The definition of a standard MDIS Valve Object.
The representation of the MDISAggregateObjectType ObjectType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=1315 |
| NamespaceUri | http://opcfoundation.org/UA/MDIS |
| BrowseName | MDISAggregateObjectType |
| NodeClass | ObjectType |
| IsAbstract | True |
| SubtypeOf | MDISBaseObjectType |
The references from the MDISAggregateObjectType ObjectType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasComponent | Object | <InstrumentPlaceholder> | MDISInstrumentObjectType | OptionalPlaceholder | |
| HasComponent | Object | <InstrumentOutPlaceholder> | MDISInstrumentOutObjectType | OptionalPlaceholder | |
| HasComponent | Object | <DigitalInstrumentPlaceholder> | MDISDigitalInstrumentObjectType | OptionalPlaceholder | |
| HasComponent | Object | <DiscreteInstrumentPlaceholder> | MDISDiscreteInstrumentObjectType | OptionalPlaceholder | |
| HasComponent | Object | <DigitalOutPlaceholder> | MDISDigitalOutObjectType | OptionalPlaceholder | |
| HasComponent | Object | <DiscreteOutPlaceholder> | MDISDiscreteOutObjectType | OptionalPlaceholder | |
| HasComponent | Object | <ValvePlaceholder> | MDISValveObjectType | OptionalPlaceholder | |
| HasComponent | Object | <ChokePlaceholder> | MDISChokeObjectType | OptionalPlaceholder | |
| HasInterlock | Variable | <InterlockPlaceholder> | Boolean | InterlockVariableType | OptionalPlaceholder |