MeasurementValue

Class Description

The current state for a measurement. A state value is an instance of a measurement from a specific source. Measurements can be associated with many state values, each representing a different source for the measurement.

Attributes

Name	Type	Description
sensorAccuracy	PerCent	The limit, expressed as a percentage of the sensor maximum, that errors will not exceed when the sensor is used under reference conditions.
timeStamp	DateTime	The time when the value was last updated.

Relationships

Ancestors

• IOPoint

Descendents

• AccumulatorValue
• AnalogValue
• BaseReading
• DiscreteValue
• StringMeasurementValue

Associations

Source Class	Source Cardinality	Target	Target Cardinality	Source Name	Source Assoc. Description	Target Name	Target Assoc. Description
MeasurementValue	1	RemoteSource	0..1	MeasurementValue	Link to the physical telemetered point associated with this measurement.	RemoteSource	Link to the physical telemetered point associated with this measurement.
MeasurementValue	1	MeasurementValueQuality	0..1	MeasurementValue	A MeasurementValue has a MeasurementValueQuality associated with it.	MeasurementValueQuality	A MeasurementValue has a MeasurementValueQuality associated with it.
MeasurementValue	0..*	MeasurementValueSource	1	MeasurementValues	The MeasurementValues updated by the source.	MeasurementValueSource	A reference to the type of source that updates the MeasurementValue, e.g. SCADA, CCLink, manual, etc. User conventions for the names of sources are contained in the introduction to IEC 61970-301.
MeasurementValue	0..*	OldPerson	0..1	MeasurementValues		ErpPerson
MeasurementValue	0..*	ProcedureDataSet	0..*	MeasurementValue		ProcedureDataSet
MeasurementValue	0..1	CalculationMethodHierarchy	0..1	MeasurementValue	Measurement value to which this calculation method hierarchy applies.	CalculationMethodHierarchy