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.

Table 109 – InletConnectionMeasurementsType Definition

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

Table 110 – InletConnectionMeasurementsType Additional Subcomponents

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.

Table 111 – InletConnectionMeasurementsType Attribute values for child Nodes

BrowsePath

Value Attribute

Description Attribute

InletTemperatureOfThePump

Measured temperature acting at the inlet area of the pump.

InletTemperatureOfThePump

0:EngineeringUnits

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4932940

DisplayName: K

Description: kelvin

InletTemperatureOfThePump

KindOfQuantity

“temperature”

Quantity representing a temperature value

MeanVelocityAtInlet

Measured rate of flow at pump inlet connection divided by the inlet area of the pump.

MeanVelocityAtInlet

0:EngineeringUnits

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 5067859

DisplayName: m/s

Description: metre per second

MeanVelocityAtInlet

KindOfQuantity

“velocity”

Vector quantity giving the rate of change of a position vector