Boiler Controller.. Can be used as an interface to a staged or a modulating boiler.
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Network Variables | Configuration Properties |
nviBoilerEnable nvoBoilerState nvoEffectSetpt
nviApplicMode nviBoilerCmd nviOutdoorTemp nviPumpSpeedCmd nviReturnTemp nviSetpoint nviSupplyTemp nvoBoilerLoad nvoBypassValve nvoLocalOATemp nvoLocalRetTemp nvoLocalSupTemp nvoOutdoorTemp nvoPumpSpeed nvoReturnTemp nvoSupplyTemp
| nciHeatSetpt nciSndHrtBt
nciLocation nciMinOutTm nciOffDelay nciPowerUp nciRcvHrtBt
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Details: |
Resource Set:
| Standard 00:00:00:00:00:00:00:00-0 |
Index:
| 22 |
Obsolete:
| no |
Key:
| 8301 |
Inheriting:
| no |
Mandatory Network Variables |
nviBoilerEnable | Boiler enable input.: Used to disable (stop) boiler operation, or to enable (automatic, local, or remote) boiler operation.
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Member Number:
| 1 |
Base type:
| | Direction:
| input | Service:
| any |
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nvoBoilerState | Boiler state output.: Boiler's present level of heat output, as well as the requested firing rate of a remote boiler.
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Member Number:
| 2 |
Base type:
| | Direction:
| output | Service:
| unacknowledged |
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nvoEffectSetpt | Effective setpoint output.: Used to monitor the effective temperature setpoint.
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Member Number:
| 3 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| 0,00 | Maximum:
| 150,00 |
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Optional Network Variables |
nviApplicMode | Application mode input.: Used to coordinate the boiler controller node with any supervisory controller.
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Member Number:
| 4 |
Base type:
| | Direction:
| input | Service:
| any |
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nviPumpSpeedCmd | Pump speed command input.: Used to connect an external pump control to the node or to allow an override of the pump speed.
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Member Number:
| 5 |
Base type:
| | Direction:
| input | Service:
| any |
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nviSupplyTemp | Supply temperature input.: Used to connect an external supply temperature sensor to the node.
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Member Number:
| 6 |
Base type:
| | Direction:
| input | Service:
| any | Minimum:
| 0,00 | Maximum:
| 150,00 |
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nviOutdoorTemp | Outside air temperature input.: Represents information from an outdoor air temperature sensor.
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Member Number:
| 7 |
Base type:
| | Direction:
| input | Service:
| any | Minimum:
| -40,00 | Maximum:
| 50,00 |
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nviReturnTemp | Return temperature input.: Used to connect an external return temperature sensor to the node.
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Member Number:
| 8 |
Base type:
| | Direction:
| input | Service:
| any | Minimum:
| 0,00 | Maximum:
| 150,00 |
|
nviSetpoint | Temperature setpoint input (absolute): Used to allow the heating setpoint for the boiler water temperature to be changed via the network.
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Member Number:
| 9 |
Base type:
| | Direction:
| input | Service:
| any | Minimum:
| 0,00 | Maximum:
| 150,00 |
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nviBoilerCmd | Boiler command input.: Used to command the boiler state and firing rate of the boiler controller (e.g., to disable the boiler, or allow automatic control)
|
Member Number:
| 10 |
Base type:
| | Direction:
| input | Service:
| any |
|
nvoBoilerLoad | Boiler load output.: Present heat/cool energy demand of the unit. Negative values indicate that heating energy is required (or in use) by the boiler controller.
|
Member Number:
| 11 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Maximum:
| 0,000 |
|
nvoSupplyTemp | Supply temperature output.: Used to monitor the supply water temperature that the boiler controller is using for control.
|
Member Number:
| 12 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| 0,00 | Maximum:
| 150,00 |
|
nvoLocalSupTemp | Local supply temperature output.: Present value of a locally wired supply water temperature sensor.
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Member Number:
| 13 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| -40,00 | Maximum:
| 70,00 |
|
nvoReturnTemp | Return temperature output.: Used to monitor the return water temperature that the boiler controller is using for control.
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Member Number:
| 14 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| 0,00 | Maximum:
| 150,00 |
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nvoLocalRetTemp | Local return temperature output.: Present value of a locally wired return water temperature sensor.
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Member Number:
| 15 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| -40,00 | Maximum:
| 70,00 |
|
nvoPumpSpeed | Pump speed output.: Actual pump speed of a local multi-speed pump, as well as the requested speed of a remote pump.
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Member Number:
| 16 |
Base type:
| | Direction:
| output | Service:
| unacknowledged |
|
nvoBypassValve | Bypass valve output.: Present value of the bypass control valve position (if hardwired) or can be used to control a remote bypass valve.
|
Member Number:
| 17 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| 0,000 | Maximum:
| 100,000 |
|
nvoOutdoorTemp | Outdoor air temperature output.: Used to monitor the outdoor air temperature that the boiler controller is using for control.
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Member Number:
| 18 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| -40,00 | Maximum:
| 70,00 |
|
nvoLocalOATemp | Local outdoor air temperature output.: Present value of a locally wired outdoor air temperature sensor.
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Member Number:
| 19 |
Base type:
| | Direction:
| output | Service:
| unacknowledged | Minimum:
| -40,00 | Maximum:
| 70,00 |
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Mandatory Configuration Properties |
nciSndHrtBt | Send heartbeat.: Maximum period of time that expires before the specified network variable outputs will automatically be updated.
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nciHeatSetpt | Heating setpoint.: This applies to the setpoint NV input if one exists; otherwise, it applies to the hardwired input.
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Member Number:
| 4 |
Base type:
| |
Applies to
| SFPTboilerController | Array:
| not permitted | Minimum:
| 0,00 | Maximum:
| 150,00 | Default:
| 35,00 |
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Optional Configuration Properties |
nciPowerUp | Power-up enable.: Default power-up and restart modes of the boiler controller.
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nciRcvHrtBt | Receive heartbeat.: Maximum time that elapses after the last update to a specified network variable input before the boiler controller starts to use its default values.
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nciLocation | Location label.: Provides descriptive physical location information related to the object.
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nciMinOutTm | Minimum send time.: Minimum period of time between automatic network variable output transmissions.
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nciOffDelay | Turn-off delay time.: Used to control the time delay that the pump remains "on" after a new command to turn the pump "off" is issued.
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