IFC 4.3.0.1 (IFC4X3) development

7.2.4.10 Pset_ControllerPHistory

7.2.4.10.1 Semantic definition

Properties for history of controller values. HISTORY: Added in IFC4.

7.2.4.10.2 Applicable entities

7.2.4.10.3 Properties

Name Property Type Data Type Description
ValueHistory IfcPropertyReferenceValue IfcTimeSeries

Indicates values over time which may be recorded continuously or only when changed beyond a particular deadband. The range of possible values is defined by the Value property on the corresponding occurrence property set (Pset_ControllerTypeFloating, Pset_ControllerTypeProportional, Pset_ControllerTypeMultiPosition, or Pset_ControllerTypeTwoPosition).

Quality IfcPropertyReferenceValue IfcTimeSeries

Indicates the quality of measurement or failure condition, which may be further qualified by the Status. True: measured values are considered reliable; False: measured values are considered not reliable (i.e. a fault has been detected); Unknown: reliability of values is uncertain.

Status IfcPropertyReferenceValue IfcTimeSeries

Status of the element, predominately used in renovation or retrofitting projects. The status can be assigned to as "New" - element designed as new addition, "Existing" - element exists and remains, "Demolish" - element existed but is to be demolished, "Temporary" - element will exists only temporary (like a temporary support structure).

Indicates an error code or identifier, whose meaning is specific to the particular automation system. Example values include: 'ConfigurationError', 'NotConnected', 'DeviceFailure', 'SensorFailure', 'LastKnown, 'CommunicationsFailure', 'OutOfService'.

Table 7.2.4.10.A

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7.2.4.10.4 Changelog

  • New resource
  • property, ValueHistory
  • property, Value