MDIS ObjectTypes 
- MDISAggregateObjectType
- MDISBaseObjectType
- MDISChokeObjectType
- MDISDigitalInstrumentObjectType
- MDISDigitalOutObjectType
- MDISDiscreteInstrumentObjectType
- MDISDiscreteOutObjectType
- MDISInformationObjectType
- MDISInstrumentObjectType
- MDISInstrumentOutObjectType
- MDISTimeSyncObjectType
- MDISValveObjectType