The InletConnectionDesignType extends its supertype by Pump inlet connection specific Variables and is formally defined in Table 90.
Table 90 – InletConnectionDesignType Definition
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Attribute |
Value |
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BrowseName |
InletConnectionDesignType |
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IsAbstract |
False |
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References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
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Subtype of the ConnectionDesignType defined in 7.40, i.e. inheriting the InstanceDeclarations of that Node. |
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0:HasComponent |
Variable |
CriticalBackingPressure |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
InletAreaOfThePump |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
MaximumAllowableInletPressure |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
MaximumTolerableWaterVaporInletPressure |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
MaximumWorkingPressure |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
MinimumAllowableInletPressure |
0:Double |
0:BaseAnalogType |
O, RO |
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0:HasComponent |
Variable |
NetPositiveInletPressureRequired |
0:Double |
0:BaseAnalogType |
O, RO |
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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
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BrowsePath |
Value Attribute |
Description Attribute |
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CriticalBackingPressure |
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Maximum backing pressure for which the conditions are defined in the instruction manual or in a specific standard for the particular vacuum pump. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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InletAreaOfThePump |
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Free cross-sectional area of the entry opening in the inlet connection of the pump. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5067851 DisplayName: m² Description: square metre |
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MaximumAllowableInletPressure |
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Highest value of inlet pressure at which the pump or component is capable of functioning on the basis of the materials used. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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MaximumTolerableWaterVaporInletPressure |
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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. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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MaximumWorkingPressure |
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instantaneous inlet pressure with adequate margin above the minimum liquid vapor pressure expected. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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MinimumAllowableInletPressure |
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Lowest value of inlet pressure at which the pump or component is capable of functioning on the basis of the materials used. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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NetPositiveInletPressureRequired |
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Total inlet pressure required to ensure there is enough margin to maintain the minimum. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 5259596 DisplayName: Pa Description: pascal |
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WaterVaporCapacity |
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Mass of water which can be conveyed by the pump without condensation per time. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4600375 DisplayName: g/h Description: gram per hour |
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