Typed Object
PropertySet Diagram
Definition from IAI: This property set is used to define the characteristics of an analog input.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
HighLimit
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The high limit value for the analog input.
LowLimit
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The low limit value for the analog input.
Deadband
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The deadband value for the analog input.
HighLimitEnable
IfcSimpleProperty
Is HighLimit validation enabled (TRUE) or not (FALSE).
LowLimitEnable
IfcSimpleProperty
Is LowLimit validation enabled (TRUE) or not (FALSE).
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
NotifyTypeEnum
IfcEnumeratedProperty
Pset_NotifyTypeEnum(Alarm, Event, AcknowledgeNotification, Other, NotKnown, Unset)
Enumeration that defines the notification type
Definition from IAI: This property set is used to define the characteristics of an analog output.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
HighLimit
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The high limit value for the analog output.
LowLimit
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The low limit value for the analog output.
Deadband
IfcSimplePropertyWithUnit
IfcReal, Unspecified
The deadband value for the analog output.
HighLimitEnable
IfcSimpleProperty
Is HighLimit validation enabled (TRUE) or not (FALSE).
LowLimitEnable
IfcSimpleProperty
Is LowLimit validation enabled (TRUE) or not (FALSE).
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
NotifyTypeEnum
IfcEnumeratedProperty
Pset_NotifyTypeEnum(Alarm, Event, AcknowledgeNotification, Other, NotKnown, Unset)
Enumeration that defines the notification type
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a backdraft damper.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
FrameType
IfcSimpleProperty
The type of frame used by the damper (e.g., Standard, Single Flange, Single Reversed Flange, Double Flange, etc.)
Actuator
IfcObjectReference
IfcGloballyUniqueId, IfcActuator
Actuator references an IfcActuator object which contains the actuator information, if an actuator is part of the damper assembly
Definition from IAI: This property set is used to define the characteristics of a binary input.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
Polarity
IfcEnumeratedProperty
Pset_PolarityEnum(Normal, Reverse, Other, NotKnown, Unset)
Enumeration defining the polarity
InactiveText
IfcSimpleProperty
String value to be displayed in an inactive, off, or idle state
ActiveText
IfcSimpleProperty
String value to be displayed in an active, on, or running state
AlarmValue
IfcEnumeratedProperty
Pset_AlarmValueEnum(Inactive, Active, Other, NotKnown, Unset)
Enumeration defining the operating state of the control system element
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
AckedTransitions
IfcEnumeratedProperty
Pset_AckedTransitionsEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of transition acknowledgement
Definition from IAI: This property set is used to define the characteristics of a binary output.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
Polarity
IfcEnumeratedProperty
Pset_PolarityEnum(Normal, Reverse, Other, NotKnown, Unset)
Enumeration defining the polarity
InactiveText
IfcSimpleProperty
String value to be displayed in an inactive, off, or idle state
ActiveText
IfcSimpleProperty
String value to be displayed in an active, on, or running state
MinimumOffTime
IfcObjectReference
Minimum Off Time
MinimumOnTime
IfcObjectReference
Minimum On Time
FeedbackValue
IfcEnumeratedProperty
Pset_FeedbackValueEnum(Inactive, Active, Other, NotKnown, Unset)
Enumeration defining the feedback value from the control system element
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
AckedTransitions
IfcEnumeratedProperty
Pset_AckedTransitionsEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of transition acknowledgement
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a control damper.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
DesignAirVelocity
IfcSimplePropertyWithUnit
IfcReal, LinearVelocityUnit
The design air velocity for the damper assembly
BladeAction
IfcEnumeratedProperty
Pset_DamperBladeActionEnum(Parallel, Opposed, Other, NotKnown, Unset)
Enumeration that identifies the blade closing action for the damper
BladeType
IfcSimpleProperty
The type of blade used in the damper (e.g., Triple Vee, Fabricated Airfoil, Extruded Airfoil, etc.)
BladeMaterial
IfcObjectReference
The primary material used to construct the damper blade
BladeThickness
IfcSimpleProperty
The thickness of the damper blade
FrameType
IfcSimpleProperty
The type of frame used by the damper (e.g., Standard, Single Flange, Single Reversed Flange, Double Flange, etc.)
FrameMaterial
IfcObjectReference
The primary material used to construct the damper frame
FrameThickness
IfcSimpleProperty
The thickness of the damper frame
Actuator
IfcObjectReference
IfcGloballyUniqueId, IfcActuator
Actuator references an IfcActuator object set which contains the actuator information, if an actuator is part of the damper assembly
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of an electric actuator.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
ManualOverride
IfcSimpleProperty
Identifies whether hand-operated operation is provided as an override
InputPower
IfcSimplePropertyWithUnit
IfcReal, PowerUnit
Maximum input power requirement
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a fire damper.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
BladeType
IfcEnumeratedProperty
Pset_FireDamperBladeTypeEnum(ParallelBlade, FoldingCurtain, Other, NotKnown, Unset)
Enumeration that identifies the different types of blades in the fire damper
ActuationType
IfcEnumeratedProperty
Pset_FireDamperActuationTypeEnum(Gravity, Spring, Other, NotKnown, Unset)
Enumeration that identifies the different types of dampers
ClosureRating
IfcEnumeratedProperty
Pset_FireDamperClosureRatingEnum(Dynamic, Static, Other, NotKnown, Unset)
Enumeration that identifies the closure rating for the damper
FireResistanceRating
IfcSimpleProperty
Measure of the fire resistance rating in hours (e.g., 1.5 hours, 2 hours, etc.).
MountingPosition
IfcEnumeratedProperty
Pset_DamperMountingPositionEnum(Horizontal, Vertical, Other, NotKnown, Unset)
Enumeration that identifies how the damper is mounted in the building
FusibleLinkTemperature
IfcSimpleProperty
The temperature that the fusible link melts
SleeveLength
IfcSimpleProperty
The length of the damper sleeve
SleeveThickness
IfcSimpleProperty
The thickness of the damper sleeve
DamperLocationInSleeve
IfcSimpleProperty
The location within the sleeve where the damper is mounted (e.g., Center)
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a combination fire and smoke damper.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
FrameThickness
IfcSimpleProperty
The thickness of the damper frame
FireResistanceRating
IfcSimpleProperty
Measure of the fire resistance rating in hours (e.g., 1.5 hours, 2 hours, etc.).
BladeType
IfcSimpleProperty
The type of blade used in the damper (e.g., Triple Vee, Fabricated Airfoil, Extruded Airfoil, etc.)
MountingPosition
IfcEnumeratedProperty
Pset_DamperMountingPositionEnum(Horizontal, Vertical, Other, NotKnown, Unset)
Enumeration that identifies how the damper is mounted in the building
FusibleLinkTemperature
IfcSimpleProperty
The temperature that the fusible link melts
ControlType
IfcSimpleProperty
The type of control used to operate the damper (e.g., Open/Closed Indicator, Resetable Temperature Sensor, Temperature Override, etc.)
SleeveLength
IfcSimpleProperty
The length of the damper sleeve
SleeveThickness
IfcSimpleProperty
The thickness of the damper sleeve
DamperLocationInSleeve
IfcSimpleProperty
The location within the sleeve where the damper is mounted (e.g., Center)
Actuator
IfcObjectReference
IfcGloballyUniqueId, IfcActuator
Actuator references an IfcActuator object which contains the actuator information, if an actuator is part of the damper assembly
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a hand-operated actuator.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
ManualOverride
IfcSimpleProperty
Identifies whether hand-operated operation is provided as an override
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the general characteristics of a controller used in an HVAC control system.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
Sensors
IfcPropertyList
IfcObjectReference, IfcGloballyUniqueId, IfcSensor
IfcSensor objects related to the controller
Actuators
IfcPropertyList
IfcObjectReference, IfcGloballyUniqueId, IfcActuator
IfcActuator objects related to the controller
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the general characteristics of a sensor used in an HVAC control system.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
SensorType
IfcEnumeratedProperty
Pset_SensorTypeEnum(Flow, Pressure, Temperature, Gas, Concentration, Volts, Amps, Density, Viscosity, Energy, Humidity, Other, NotKnown, Unset)
Enumeration that identifies the type of HVAC sensor
Range
IfcSimpleProperty
The range of the sensor
Accuracy
IfcSimpleProperty
The accuracy of the sensor
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a hydraulic actuator.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
ManualOverride
Identifies whether hand-operated operation is provided as an override
InputPressure
IfcSimplePropertyWithUnit
IfcReal, PressureUnit
Maximum design pressure for the actuator
InputFlowrate
IfcSimplePropertyWithUnit
IfcReal, VolumetricFlowrateUnit
Maximum hydraulic flowrate requirement
Definition from IAI: This property set is used to define the characteristics of a linear actuator.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
FailDirection
IfcEnumeratedProperty
Pset_LinearActuatorFailDirectionEnum(FailIn, FailOut, Other, NotKnown, Unset)
Enumeration that identifies the behavior of the actuator in case of power failure
Force
IfcSimplePropertyWithUnit
IfcReal, ForceMeasure
Indicates the maximum close-off force for the actuator
Stroke
IfcSimpleProperty
Indicates the maximum distance the actuator must traverse
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a louver.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
FrameType
IfcSimpleProperty
The type of frame used by the louver (e.g., Standard, Drainable, etc.)
FrameThickness
IfcSimpleProperty
The thickness of the louver frame
BladeType
IfcSimpleProperty
The type of blade used in the louver (e.g., "J", "K", Cheveron, Sightproof, Drainable, etc.)
BladeThickness
IfcSimpleProperty
The thickness of the louver blade
ScreenType
IfcSimpleProperty
The type of screen used in the louver (e.g., Birdscreen, Insect Screen, etc.)
Actuator
IfcObjectReference
IfcGloballyUniqueId, IfcActuator
Actuator references an IfcActuator object which contains the actuator information, if an actuator is part of the louver assembly
Definition from IAI: This property set is used to define the characteristics of a multi-state input.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
NumberOfStates
IfcSimpleProperty
Number of states for the MultiState Input
StateText
IfcPropertyList
IfcSimpleProperty, IfcString
String value to identify the state condition. Upper limit of the list is equal to the NumberOfStates.
AlarmValues
IfcPropertyList
IfcSimpleProperty, IfcInteger
Specifies any states the present value must equal before an EventEnable shall occur. Upper limit of the list is equal to the NumberOfStates.
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
NotifyTypeEnum
IfcEnumeratedProperty
Pset_NotifyTypeEnum(Alarm, Event, AcknowledgeNotification, Other, NotKnown, Unset)
Enumeration that defines the notification type
Definition from IAI: This property set is used to define the characteristics of a multi-state output.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
NumberOfStates
IfcSimpleProperty
Number of states for the MultiState Output
StateText
IfcPropertyList
IfcSimpleProperty, IfcString
String value to identify the state condition. Upper limit of the list is equal to the NumberOfStates.
EventEnable
IfcEnumeratedProperty
Pset_EventEnableEnum(To-OffNormal, To-Fault, To-Normal, Other, NotKnown, Unset)
Enumeration that defines the type of event enabling
NotifyTypeEnum
IfcEnumeratedProperty
Pset_NotifyTypeEnum(Alarm, Event, AcknowledgeNotification, Other, NotKnown, Unset)
Enumeration that defines the notification type
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Typed Object |
PropertySet Diagram |
Definition from IAI:
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
ManualOverride
IfcSimpleProperty
Identifies whether hand-operated operation is provided as an override
InputPressure
IfcSimplePropertyWithUnit
IfcReal, PressureUnit
Maximum input control air pressure requirement
InputFlowrate
IfcSimplePropertyWithUnit
IfcReal, VolumetricFlowrateUnit
Maximum input control air flowrate requirement
Definition from IAI: This property set is used to define the characteristics of a rotational actuator.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.
Property Name
Property Type
Data or Rel. Type
Definition
FailDirection
IfcEnumeratedProperty
Pset_RotationalActuatorFailDirectionEnum(FailClockwise, FailCounterClockwise, Other, NotKnown, Unset)
Enumeration that identifies the behavior of the actuator in case of power failure
Torque
IfcSimplePropertyWithUnit
IfcReal, TorqueMeaure
Indicates the maximum close-off torque for the actuator
Range
IfcSimpleProperty
Indicates the maximum rotation the actuator must traverse
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Typed Object |
PropertySet Diagram |
Definition from IAI: This property set is used to define the characteristics of a smoke damper.
HISTORY: New property set in IFC Release 2.0.
ISSUES: No issues to date.