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7.41 InletConnectionDesignType ObjectType Definition ToC Previous Next

The InletConnectionDesignType extends its supertype by Pump inlet connection specific Variables and is formally defined in Table 90.

Table 90 – InletConnectionDesignType Definition

Attribute Value        
BrowseName InletConnectionDesignType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the ConnectionDesignType defined in 7.40, i.e. inheriting the InstanceDeclarations of that Node.          
0:HasComponent Variable CriticalBackingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable InletAreaOfThePump 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumAllowableInletPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumTolerableWaterVaporInletPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaximumWorkingPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MinimumAllowableInletPressure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable NetPositiveInletPressureRequired 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable WaterVaporCapacity 0:Double 0:BaseAnalogType O, RO

The InstanceDeclarations of the InletConnectionDesignType have additional Attributes defined in Table 91. The Variables and the associated Descriptions are based on the standards DIN EN ISO 17769-1, DIN 28426-1, ISO 3529-2 and ISO 21360-2.

Table 91 – InletConnectionDesignType Attribute values for child Nodes

BrowsePath Value Attribute Description Attribute
CriticalBackingPressure   Maximum backing pressure for which the conditions are defined in the instruction manual or in a specific standard for the particular vacuum pump.
   CriticalBackingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
InletAreaOfThePump   Free cross-sectional area of the entry opening in the inlet connection of the pump.
   InletAreaOfThePump
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5067851
DisplayName: m²
Description: square metre
 
MaximumAllowableInletPressure   Highest value of inlet pressure at which the pump or component is capable of functioning on the basis of the materials used.
   MaximumAllowableInletPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MaximumTolerableWaterVaporInletPressure   The highest water vapor inlet pressure at which a gas ballast pump, under normal ambient conditions, can pump and exhaust pure water vapor in continuous Operation.
   MaximumTolerableWaterVaporInletPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MaximumWorkingPressure   instantaneous inlet pressure with adequate margin above the minimum liquid vapor pressure expected.
   MaximumWorkingPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
MinimumAllowableInletPressure   Lowest value of inlet pressure at which the pump or component is capable of functioning on the basis of the materials used.
   MinimumAllowableInletPressure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
NetPositiveInletPressureRequired   Total inlet pressure required to ensure there is enough margin to maintain the minimum.
   NetPositiveInletPressureRequired
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 5259596
DisplayName: Pa
Description: pascal
 
WaterVaporCapacity   Mass of water which can be conveyed by the pump without condensation per time.
   WaterVaporCapacity
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4600375
DisplayName: g/h
Description: gram per hour
 

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