Natural language names
deWeist Steuerung / Regelung / Einschränkung zu - Relation
enRel Assigns To Control
frAssignation à contrôle
Change log
IFC2x3 to IFC4
      OwnerHistoryMODIFIEDInstantiation changed to OPTIONAL.
Semantic definitions at the entity
Entity definition

The objectified relationship IfcRelAssignsToControl handles the assignment of a control (represented by subtypes of IfcControl) to other objects (represented by subtypes of IfcObject, with the exception of controls).

EXAMPLE  The assignment of a performance history (as subtype of IfcControl) for a building service element (as subtype of IfcObject) is an application of this generic relationship.
HISTORY  New entity in IFC2.0.
IFC2x CHANGE Entity has been renamed from IfcRelControls.
Attribute definitions
#AttributeTypeCardinalityDescription C
7RelatingControlIfcControl[1:1] Reference to the IfcControl that applies a control upon objects.X
Formal Propositions
NoSelfReferenceThe instance to with the relation points shall not be contained in the set of RelatedObjects.
Inherited definitions from supertypes
Entity inheritance IfcRelAssigns IfcRelationship IfcRoot
Attribute inheritance
1GlobalIdIfcGloballyUniqueId[1:1] Assignment of a globally unique identifier within the entire software world. X
2OwnerHistoryIfcOwnerHistory[0:1] Assignment of the information about the current ownership of that object, including owning actor, application, local identification and information captured about the recent changes of the object,
NOTE  only the last modification in stored - either as addition, deletion or modification.
3NameIfcLabel[0:1] Optional name for use by the participating software systems or users. For some subtypes of IfcRoot the insertion of the Name attribute may be required. This would be enforced by a where rule. X
4DescriptionIfcText[0:1] Optional description, provided for exchanging informative comments.X
5RelatedObjectsIfcObjectDefinitionS[1:?] Related objects, which are assigned to a single object. The type of the single (or relating) object is defined in the subtypes of IfcRelAssigns.X
6RelatedObjectsTypeIfcObjectTypeEnum[0:1] Particular type of the assignment relationship. It can constrain the applicable object types, used within the role of RelatedObjects. X
7RelatingControlIfcControl[1:1] Reference to the IfcControl that applies a control upon objects.X
Definitions applying to Common Use Definitions

Concept inheritance

#ConceptModel View
Software IdentityCommon Use Definitions
Revision ControlCommon Use Definitions
Formal representations
XSD Specification
 <xs:element name="IfcRelAssignsToControl" type="ifc:IfcRelAssignsToControl" substitutionGroup="ifc:IfcRelAssigns" nillable="true"/>
 <xs:complexType name="IfcRelAssignsToControl">
   <xs:extension base="ifc:IfcRelAssigns">
     <xs:element name="RelatingControl" type="ifc:IfcControl" nillable="true"/>
EXPRESS Specification
ENTITY IfcRelAssignsToControl
 SUBTYPE OF (IfcRelAssigns);
  RelatingControl : IfcControl;
  NoSelfReference : SIZEOF(QUERY(Temp <* SELF\IfcRelAssigns.RelatedObjects | RelatingControl :=: Temp)) = 0;

Link to EXPRESS-G diagram EXPRESS-G diagram

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