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
Inherits from
Descendant classes
Leaf/Root class
| IsLeaf | IsRoot |
|---|---|
| False | False |
Associations
| Source Class | Cardinality Source | Target Class | Cardinality Target | 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. |
| MeasurementValueQuality | 0..1 | MeasurementValue | 1 | MeasurementValueQuality | A MeasurementValue has a MeasurementValueQuality associated with it. | MeasurementValue | A MeasurementValue has a MeasurementValueQuality associated with it. |
| MeasurementValueSource | 1 | MeasurementValue | 0..* | 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. | MeasurementValues | The MeasurementValues updated by the source. |
| CalculationMethodHierarchy | 0..1 | MeasurementValue | 0..1 | CalculationMethodHierarchy | MeasurementValue | Measurement value to which this calculation method hierarchy applies. | |
| ProcedureDataSet | 0..* | MeasurementValue | 0..* | ProcedureDataSet | MeasurementValue | ||
| OldPerson | 0..1 | MeasurementValue | 0..* | ErpPerson | MeasurementValues |