7.50 InletConnectionMeasurementsType ObjectType Definition
The InletConnectionMeasurementsType provides Variables used for measurements performed at a Pump inlet connection and is formally defined in Table 109. For the generation of events, the InletConnectionMeasurementsType has a reference to the 0:LimitAlarmType. The InputNode Property of the Alarm shall contain the NodeId of the Component. Measurements defined in this ObjectType have an additional Subcomponent with the TypeDefinition 0:PropertyType and the BrowseName KindOfQuantity defined in Table 110. In this Variables the measurements can be matched to a physical quantity. To comply with this Companion Specification, the default values for the Property 0:EngineeringUnits and the Property KindOfQuantity provided in Table 111 should be used. The values should be sensible to the use of the application.
| Attribute | Value | ||||
| BrowseName | InletConnectionMeasurementsType | ||||
| IsAbstract | False | ||||
| References | Node Class | BrowseName | DataType | TypeDefinition | Other |
|---|---|---|---|---|---|
| Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node. | |||||
| 0:HasComponent | Variable | InletTemperatureOfThePump | 0:Double | 0:BaseAnalogType | O, RO |
| 0:HasComponent | Variable | MeanVelocityAtInlet | 0:Double | 0:BaseAnalogType | O, RO |
| 0:GeneratesEvent | ObjectType | 0:LimitAlarmType | Defined in OPC 10000-9 | ||
| Source Path | References | NodeClass | BrowseName | DataType | TypeDefinition | Other |
| InletTemperatureOfThePump | 0:HasProperty | Variable | KindOfQuantity | 0:String | 0:PropertyType | O, RO |
| MeanVelocityAtInlet | 0:HasProperty | Variable | KindOfQuantity | 0:String | 0:PropertyType | O, RO |
The InstanceDeclarations of the InletConnectionMeasurementsType have additional Attributes defined in Table 111. The Variables and the associated Descriptions are based on the standard DIN EN ISO 17769-1.
| BrowsePath | Value Attribute | Description Attribute |
| InletTemperatureOfThePump | Measured temperature acting at the inlet area of the pump. | |
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4932940 DisplayName: K Description: kelvin | ||
| “temperature” | Quantity representing a temperature value | |
| MeanVelocityAtInlet | Measured rate of flow at pump inlet connection divided by the inlet area of the pump. | |
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067859 DisplayName: m/s Description: metre per second | ||
| “velocity” | Vector quantity giving the rate of change of a position vector |