Pset_ActuatorPHistory Properties for history of actuators. HISTORY: Added in IFC4. IfcActuator IfcActuator PositionHistory Indicates position of the actuator over time where 0.0 is fully closed and 1.0 is fully open. Position 位置 참조 ID アクチュエータの時間ごとの位置を示す値。0.0が完全に閉じられた状態で、1.0が完全に開いた状態。 해당 프로젝트에서 사용이 유형에 대한 참조 ID (예 : 'A-1') ※ 기본이있는 경우 그 기호를 사용 QualityHistory 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. StatusHistory 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'. アクチュエータの性能履歴の属性。IFC4にて追加。