PADIM VariableTypes 
- ActualDensityVariableType
- ActualVolumeFlowRateVariableType
- AnalogSignalVariableType
- AnalyticalMeasurementVariableType
- ControlVariableType
- DiscreteSignalVariableType
- FlowMeasurementVariableType
- LevelMeasurementVariableType
- MassFlowRateVariableType
- MultiStateDiscreteSignalVariableType
- NormalizedVolumeFlowRateVariableType
- PressureMeasurementVariableType
- TemperatureMeasurementVariableType
- TotalizerVariableType
- TwoStateDiscreteSignalVariableType