Assuming that all three pumps are clearly parts of the plant „UBIK1“, the descriptive model has to be extended in order to include this information as well. In our "table" view we account for this by adding a property to the „Pump“ block refering to the plant. This additional property represents the link information between the pumps #1 - #3 and the plant „UBIK1“.
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<td>[[File:UDOM_Relating1.png|400 px|alt="Relation pump and plant"]]</td>
{{UMM|Managing the control relation in the metamodel requires to introduce a relation block „CONTROL“ with two metaproperties „Armature#“ and „Pump#“.}}
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