Is it permitted to extend a ParameterSet by a Interface?|OPC UA Standard|Forum|OPC Foundation

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Is it permitted to extend a ParameterSet by a Interface?
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Martin Lang
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08/07/2019 - 04:10
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In Amendment 7 there is no such example, but I did not found a rule which restrict the Interface to extend the ParameterSet as well as FunctionalGroups from DI.

ComponentType
   A-Type
       Identification (FunctionalGroup)
       ParameterSet
            Var1
            Var2

ComponentType
   B-Type
       Maintenance (FunctionalGroup)
       ParameterSet
            VarX
            VarY

 

BaseInterfaceType
   IDiagnosticsType
       Diagnostics (FunctionalGroup)
               Current
                    VarDiag1 (OrganizeRef)
               Voltage
                    VarDiag2 (OrganizeRef)
       ParameterSet
           VarDiag1
           VarDiag2

 

Now apply these Interface to the A- and B-Type:

ComponentType
   A-Type –> HasInterface –> IDiagnosticsType
       Identification (FunctionalGroup)
       Diagnostics (FunctionalGroup)
               Current
                    VarDiag1 (OrganizeRef)
               Voltage
                    VarDiag2 (OrganizeRef)
       ParameterSet
            Var1
            Var2
            VarDiag1
            VarDiag2

 

ComponentType
   B-Type –> HasInterface –> IDiagnosticsType
       Maintenance (FunctionalGroup)
       Diagnostics (FunctionalGroup)
               Current
                    VarDiag1 (OrganizeRef)
               Voltage
                    VarDiag2 (OrganizeRef)
       ParameterSet
            VarX
            VarY
            VarDiag1
            VarDiag2

 

Is this permitted?

br
Martin

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Matthias Damm
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08/08/2019 - 00:03
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Dear Martin,

 

This seems to be valid as long as you use the exact same definition for ParameterSet (you can change the modeling rule from optional to mandatory)

 

BR, Matthias

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Martin Lang
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08/13/2019 - 05:14
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Dear Matthias,

thank you for your answer!
Why are the ModellingRules restricted to Mandatory and Optional?

Example:

   IDiagnosticsType
       Diagnostics (FunctionalGroup)
               Current
                    VarCurrentPin<n> 
               Voltage
                    VarVoltagePin<n>
               Temperature
                    VarTemperaturePin<n>
       ParameterSet
           VarCurrentPin<n> (MandatoryPlaceholder)
           VarVoltagePin<n> (MandatoryPlaceholder)
           VarTemperaturePin<n> (MandatoryPlaceholder)

 

ComponentType
   B-Type –> HasInterface –> IDiagnosticsType
       Maintenance (FunctionalGroup)
       Diagnostics (FunctionalGroup)
               Current
                    VarCurrentPin1
                    VarCurrentPin2
               Voltage
                    VarVoltagePin1
                    VarVoltagePin2
              Temperature
                    VarTemperaturePin1
                    VarTemperaturePin2
       ParameterSet
            VarCurrentPin1
            VarCurrentPin2
            VarVoltagePin1
            VarVoltagePin2
            VarTemperaturePin1
            VarTemperaturePin2

Br 
Martin

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