#### 7.1.4.10 Pset_ControllerPHistory

PSET_PERFORMANCEDRIVEN / IfcController

| Properties for history of controller values. HISTORY: Added in IFC4.
| コントローラの性能履歴属性。 IFC4 にて新規追加。

buildingSMART Data Dictionary

PSD-XML

- Value
  P_REFERENCEVALUE / IfcTimeSeries / IfcReal

  | Value: 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).
  | デフォルト出力時系列定数: 時間とともに値を示す。 Pset_ControllerTypeValue.Valueに対応 ※ 設定可能情報は IfcTimeSeriesプロパティ参照
  | 이상 출력 시계열 상수: 시간이 지남에 오류 상태를 나타내는 Pset_ControllerTypeValue.Fault에 대응 ※ 설정 가능한 정보는 IfcTimeSeries 속성 참조

- Quality
  P_REFERENCEVALUE / IfcTimeSeries / IfcLogical

  | Quality: 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.
  | 기본 출력 시계열 상수: 시간이 지남에 값을 나타내는 Pset_ControllerTypeValue.Value에 대응 ※ 설정 가능한 정보는 IfcTimeSeries 속성 참조

- Status
  P_REFERENCEVALUE / IfcTimeSeries / IfcLabel

  | Status: 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'.

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