The PhSignalType provides ObjectType to add pH measurement specific variables. It is formally defined in Table 180.
Table 180 – PhSignalType definition
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Attribute |
Value |
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BrowseName |
PhSignalType |
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IsAbstract |
False |
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|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of AnalyticalSignalType defined in 7.27, i.e. inheriting the InstanceDeclarations of that Node |
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0:HasComponent |
Object |
<SignalCalibrationIdentifier> |
|
0:BaseObjectType |
OP |
|
0:HasComponent |
Object |
SignalConditionSet |
|
0:BaseObjectType |
O |
|
Conformance Units |
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PA-DIM PhSignalType |
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PA-DIM PhSignalType SensorNextCalibration |
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PA-DIM PhSignalType SensingElementImpedance |
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PA-DIM PhSignalType SensorReferenceImpedance |
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PA-DIM PhSignalType SensorCleaningsCounter |
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PA-DIM PhSignalType SensorSterilisationsCounter |
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PA-DIM IPhCalibration SensorT90 |
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<SignalCalibrationIdentifier> is a container object for the calibration parameters of the signal. It is inherited from AnalogSignalType and has an additional interface reference to IPhCalibrationType to add pH signal specific calibration variables. Since it is a placeholder, an instance of PhSignalType can have several calibration objects.
SignalConditionSet is a container object for the condition parameters of the signal. It is inherited from AnalogSignalType and has an additional interface reference to IPhSignalConditionSetType to add pH signal specific condition variables.
The components of PhSignalType have additional references which are defined in Table 181.
Table 181 – PhSignalType additional References
|
SourceBrowsePath |
Reference Type |
Is Forward |
TargetBrowsePath |
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|
<SignalCalibrationIdentifier> |
0:HasInterface |
True |
IPhCalibrationType |
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|
0:HasDictionaryEntry |
True |
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|
0:HasDictionaryEntry |
True |
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|
SignalConditionSet |
0:HasInterface |
True |
IPhSignalConditionSetType |
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|
0:HasDictionaryEntry |
True |
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|
0:HasDictionaryEntry |
True |
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|
0:HasDictionaryEntry |
True |
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|
0:HasDictionaryEntry |
True |
The components of PhSignalType have additional subcomponents which are defined in Table 182.
Table 182 – PhSignalType additional subcomponents
|
BrowsePath |
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Others |
|
<SignalCalibrationIdentifier> |
0:HasComponent |
Variable |
SensorSlope |
0:Float |
0:AnalogUnitType |
O |
|
<SignalCalibrationIdentifier> |
0:HasComponent |
Variable |
SensorAsymmetryPotential |
0:Float |
0:AnalogUnitType |
O |
|
<SignalCalibrationIdentifier> |
0:HasProperty |
Variable |
SensorT90 |
0:Float |
0:PropertyType |
O |
|
SignalConditionSet |
0:HasComponent |
Variable |
PhMeasuringMethod |
0:UInt32 |
0:MultiStateDictionaryEntryDiscreteType |
O |
|
SignalConditionSet |
0:HasComponent |
Variable |
SensingElementTemperature |
0:Float |
0:AnalogUnitType |
O |
|
SignalConditionSet |
0:HasComponent |
Variable |
SensorNextCalibration |
0:UInt32 |
0:AnalogUnitType |
O |
|
SignalConditionSet |
0:HasComponent |
Variable |
SensingElementImpedance |
0:Float |
0:AnalogUnitType |
O |
|
SignalConditionSet |
0:HasComponent |
Variable |
SensorReferenceImpedance |
0:Float |
0:AnalogUnitType |
O |
|
SignalConditionSet |
0:HasProperty |
Variable |
SensorCleaningsCounter |
0:UInt32 |
0:PropertyType |
O |
|
SignalConditionSet |
0:HasProperty |
Variable |
SensorSterilisationsCounter |
0:UInt32 |
0:PropertyType |
O |
The child Nodes of the PhSignalType have additional Attribute values defined in Table 183.
Table 183 – PhSignalType Attribute values for child Nodes
|
BrowsePath |
Value Attribute |
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0.0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720UnitId: 705749524 DisplayName: mVDescription: millivolt |
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|
0.0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720UnitId: 705749524 DisplayName: mVDescription: millivolt |
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|
0.0 |
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|
0 |
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|
ns=3;s=0112/2///61987#ABP718#001 |
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|
glass electrode |
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|
0.0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720UnitId: 705741427 DisplayName: °CDescription: degree Celsius |
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|
0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720UnitId: 705745431DisplayName: dDescription: day |
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0.0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720 UnitId: 705741367 DisplayName: Ω Description: ohm |
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|
0.0 |
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|
NamespaceUri: http://www.opcfoundation.org/UA/units/cdd/IEC62720 UnitId: 705741367 DisplayName: Ω Description: ohm |
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|
0 |
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|
0 |