Damper Actuator.. Three sub types of HVAC actuators can be handled by this object: general purpose, fire & smoke, and airflow control.
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| |
Network Variables | Configuration Properties |
nviActuatState
nviRelStpt
nvoActualValue
nviEmergOvrd
nviManOvrd
nvoAbsAirFlow
nvoAbsAngle
nvoActuatStateFb
nvoDuctTemp
nvoEmergOvrdFb
nvoRelStptFb
| nciDirection
nciMaxSendTime
nciMinSendTime
nciRcvTime
nciActuatType
nciDriveTime
nciDuctSize
nciLocation
nciMaxSetpoint
nciMinSetpoint
nciNomAirFlow
nciNomAngle
nciOemType
nciSendOnDltAngl
nciSendOnDltFlow
nciSendOnDltTemp
nciTempSensConst
nciVavSensConst
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Details: |
| Resource Set:
| Standard 00:00:00:00:00:00:00:00-0 |
| Index:
| 37 |
| Obsolete:
| no |
| Key:
| 8110 |
|
Inheriting:
| no |
Mandatory Network Variables |
| nviRelStpt | Actuator setpoint input.: Controls the relative actuator setpoint.
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| Member Number:
| 1 | |
Base type:
| | | Direction:
| input | | Service:
| any | | Minimum:
| 0,000 | | Maximum:
| 100,000 |
|
| nviActuatState | Actuator state input.: Used where the actuator is connected to a switch that forces the actuator to a predefined set of positions or air volumes.
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| Member Number:
| 2 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nvoActualValue | Actual position output.: Present position of the actuator.
|
| Member Number:
| 3 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged | | Minimum:
| 0,000 | | Maximum:
| 100,000 |
|
Optional Network Variables |
| nviEmergOvrd | Emergency override input.: Used in fire and smoke applications to open and close an actuator with maximum speed; this input has highest priority.
|
| Member Number:
| 4 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nviManOvrd | Manual override input.: Command the actuator into a manual mode (mainly used during balancing)
|
| Member Number:
| 5 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nvoActuatStateFb | Actuator state feedback output.: Mirrors the actual value of nviActuatState.
|
| Member Number:
| 6 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged |
|
| nvoRelStptFb | Actuator setpoint feedback output.: Mirrors the actual value of nviRelStpt.
|
| Member Number:
| 7 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged | | Minimum:
| 0,000 | | Maximum:
| 100,000 |
|
| nvoAbsAngle | Damper angle output.: Present position of the actuator's shaft or damper blade.
|
| Member Number:
| 8 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged |
|
| nvoAbsAirFlow | Air flow output.: Airflow through the associated VAV box.
|
| Member Number:
| 9 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged |
|
| nvoDuctTemp | Inside duct temperature output.: Present temperature inside the duct.
|
| Member Number:
| 10 | |
Base type:
| | | Direction:
| output | | Service:
| any | | Minimum:
| -50,00 | | Maximum:
| 150,00 |
|
| nvoEmergOvrdFb | Emergency override feedback output.: Mirrors the value of nviEmergOvrd.
|
| Member Number:
| 11 | |
Base type:
| | | Direction:
| output | | Service:
| unacknowledged |
|
Mandatory Configuration Properties |
| nciMinSendTime | Minimum send time.: The minimum period of time between consecutive transmissions of the current value.
|
| Member Number:
| 1 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Array:
| not permitted | | Default:
| 30,0 |
|
| nciMaxSendTime | Maximum send time.: The maximum period of time between consecutive transmissions of the current value.
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| nciRcvTime | Maximum receive time.:
The maximum period of time that may expire with no updates on the associated input network variables before the object goes into heartbeat failure mode. A zero value disables the mechanism.
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| nciDirection | Direction / Safety position.: The actuator sense of rotation and safety position; bit 0 set => counterclockwise, bit 1 set => damper open.
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| Member Number:
| 4 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Array:
| not permitted | | Default:
| 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
|
Optional Configuration Properties |
| nciSendOnDltFlow | Flow send on delta.: The minimum change in airflow required to be treated as significant.
|
| Member Number:
| 5 | |
Base type:
| | |
Applies to
| nvoAbsAirFlow | | Array:
| not permitted | | Default:
| 10 |
|
| nciSendOnDltTemp | Minimum delta temperature.: The minimum change in temperature required to be treated as significant.
|
| Member Number:
| 6 | |
Base type:
| | |
Applies to
| nvoDuctTemp | | Array:
| not permitted | | Minimum:
| 0,00 | | Default:
| 1,00 |
|
| nciSendOnDltAngl | Damper angle send on delta.: The minimum change in damper actuator angle required to be treated as significant.
|
| Member Number:
| 7 | |
Base type:
| | |
Applies to
| nvoAbsAngle | | Array:
| not permitted | | Minimum:
| 0,00 | | Default:
| 5,00 |
|
| nciActuatType | Actuator label.: The identification of the exact actuator type or label.
|
| Member Number:
| 8 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Flags:
| manufacturer specific | | Array:
| not permitted |
|
| nciOemType | OEM label.: The label, programmed by the OEM, to identify the unit name.
|
| Member Number:
| 9 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Flags:
| device specific, constant | | Array:
| not permitted |
|
| nciLocation | Location: Provides descriptive physical location information related to the object.
|
|
| nciDriveTime | Drive time.: The transition time for a full 100% stroke (change from one extreme to the other)
|
| Member Number:
| 11 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Array:
| not permitted | | Default:
| 150,0 |
|
| nciNomAngle | Nominal angle.: The nominal angle for an actuator.
|
| Member Number:
| 12 | |
Base type:
| | |
Applies to
| SFPTdamperActuator | | Array:
| not permitted | | Minimum:
| 0,00 | | Maximum:
| 95,00 | | Default:
| 90,00 |
|
| nciNomAirFlow | Nominal air flow.: Value used in calculating the air flow in an airflow control actuator.
|
|
| nciDuctSize | Duct area or size.: The duct area used to calculate the air flow, relevant only for VAV actuators / controllers.
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| nciMaxSetpoint | Maximum range.: The maximum limit of the value of the primary output network variable for the object.
|
| Member Number:
| 15 | |
Base type:
| | |
Applies to
| nvoActualValue | | Array:
| not permitted | | Default:
| 00*2-4E-20 |
|
| nciMinSetpoint | Minimum range.: The minimum limit of the value of the primary output network variable for the object.
|
| Member Number:
| 16 | |
Base type:
| | |
Applies to
| nvoActualValue | | Array:
| not permitted |
|
| nciVavSensConst | VAV sensor constant.: Calibration constant used to calculate airflow.
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|
| nciTempSensConst | Temperature sensor constant.: Calibration value for a duct temperature sensor.
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