# THERMOKON\_WRF07\_CO2\_VOC ## `THERMOKON_WRF07_CO2_VOC` (FB) `FUNCTION_BLOCK` THERMOKON\_WRF07\_CO2\_VOC ### Representation
### General InOut: | Scope | Name | Type | Initial | Comment | | ----------- | ----------------------- | ---------------------------------------------------- | -------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Input | `xEn` | `BOOL` | TRUE | Enable / disable communication (TRUE = enable) | | Input | `byUnitId` | `BYTE` | 0 | Device address (1 .. 247) (1 .. 63 via DIP switch, 1 .. 247 via Modbus commands) | | Input | `xUpdateActual` | `BOOL` | FALSE |

Update of actual values (on every rising edge
)

| | Input | `xUpdateSetp` | `BOOL` | FALSE |

Update of setpoints (on every rising edge
)

| | Input | `xUpdateConfig` | `BOOL` | FALSE | Update of the configuration (on each rising edge) | | Input | `xUpdateStates` | `BOOL` | FALSE | Update of the states (on each rising edge) | | Input | `xUpdateInfo` | `BOOL` | FALSE | Update of the information (on each rising edge) | | Input | `xResDevice` | `BOOL` | FALSE | Reset of the device (on each rising edge) ( | | Input | `rSetpTempBase` | `REAL` | 22.0 | Base setpoint temperature (degrees Celsius) | | Input | `xEnOffset` | `BOOL` | FALSE |

Enable / disable the influence of the setpoint adjuster (
rOffset) on the setpoint temperature (rSetpTemp)

| | Input | `xLED1` | `BOOL` | FALSE | Control of LED1 (TRUE = On) | | Input | `xLED2` | `BOOL` | FALSE | Control of LED2 (TRUE = On) | | Input | `xLED3` | `BOOL` | FALSE | Control of LED3 (TRUE = On) | | Input | `xLED4` | `BOOL` | FALSE | Control of LED4 (TRUE = On) | | Input | `xLED5` | `BOOL` | FALSE | Control of LED5 (TRUE = On) | | Input | `xLED6` | `BOOL` | FALSE | Control of LED6 (TRUE = On) | | Input | `xLED7` | `BOOL` | FALSE | Control of LED7 (TRUE = On) | | Input | `xLED8` | `BOOL` | FALSE | Control of LED8 (TRUE = On) | | Input | `xLED9` | `BOOL` | FALSE | Control of LED9 (TRUE = On) | | Input | `xOverrRoomOccu` | `BOOL` | FALSE | Override of room occupancy (TRUE = room occupancy active) | | Input | `eFanLevelSelect` | THERMOKON\_WRF07\_CO2\_VOC\_FAN\_LEVEL | THERMOKON\_WRF07\_CO2\_VOC\_FAN\_LEVEL.FAN\_LEVEL\_AUTO | Selection of the current fan stage | | Input | `xResError` | `BOOL` | FALSE |

Reinitialization of the output eErrorCodeCom (with every
rising edge)

| | Inout | `ModbusClient` | `ModbusClientBase` | | Client of the device | | Output | `rDeviceType` | `REAL` | | Device identification | | Output | `rSensorAssembly` | `REAL` | | Sensor configuration of the device | | Output | `rOffset` | `REAL` | | Current offset from the setpoint - potentiometer in K (+/-) | | Output | `rOffsetPercent` | `REAL` | |

Current offset from the setpoint - potentiometer in percent (
0.0 = left stop, 100.0 = right stop)

| | Output | `rSetpTemp` | `REAL` | | Current setpoint temperature in degrees Celsius | | Output | `rTemp` | `REAL` | | Current room temperature in degrees Celsius or degrees Fahrenheit | | Output | `rRelHumidity` | `REAL` | | Relative room humidity in percent | | Output | `rCO2` | `REAL` | | Current CO2 concentration in ppm | | Output | `rVOC` | `REAL` | | Current VOC value in percent | | Output | `rCO2_VOC_Mix` | `REAL` | | Current CO2-VOC mix value in percent | | Output | `xSensorOffsetInDevice` | `BOOL` | |

Indication of whether the sensors must be calibrated in the device
(TRUE = calibration in the device required, FALSE = calibration in the
FB required)

| | Output | `rDewPointTemp` | `REAL` | | Dew point temperature in degrees Celsius or Fahrenheit | | Output | `rAbsHumidity` | `REAL` | | Absolute room humidity in g/m3 or grain/ft3 | | Output | `rEnthalpy` | `REAL` | | Enthalpy in kJ/kg or BTU/lb3 | | Output | `xRoomOccu` | `BOOL` | | State of room occupancy (TRUE = room is occupied) | | Output | `xButton1` | `BOOL` | FALSE |

Activation of button 1 (RAW, pulse with duration
tTimeButtonPulse)

| | Output | `xButton2` | `BOOL` | FALSE |

Activation of button 2 (RAW, pulse with duration
tTimeButtonPulse)

| | Output | `xButton3` | `BOOL` | FALSE |

Activation of button 3 (RAW, pulse with duration
tTimeButtonPulse)

| | Output | `xButton4` | `BOOL` | FALSE |

Activation of button 4 (RAW, pulse with duration
tTimeButtonPulse)

| | Output | `xButton5` | `BOOL` | FALSE |

Activation of button 5 (RAW, pulse with duration
tTimeButtonPulse)

| | Output | `rTLSZone` | `REAL` | |

Current traffic light zone (0.0 = Off, 1.0 = Zone 1, 2.0 = Zone 2,
3.0 = Zone 3)

| | Output | `rFanLevel` | `REAL` | |

Current fan stage (0.0 = stage 0, 1.0 = stage 1, 2.0 =
stage 2, 3.0 = stage 3, 4.0 = automatic)

| | Output | `xDI1` | `BOOL` | FALSE |

State of digital input 1 (assignment depending on
function eFunctionDI1) (FALSE = Open, TRUE =
Closed with GND)

| | Output | `xDI2` | `BOOL` | FALSE |

State of digital input 2 (assignment depending on
function eFunctionDI2) (FALSE = Open, TRUE =
Closed with GND)

| | Output | `xAlarm` | `BOOL` | FALSE | Collective fault (TRUE = fault) | | Output | `xAlarmCom` | `BOOL` | FALSE | Collective fault - communication (TRUE = fault) | | Output | `eErrorCodeCom` | ModbusErrorCode | | Error code - communication (0 = no error) | | Output | `xBusy` | `BOOL` | | Communication indicator (TRUE = communication) | | Input Const | `xEnOverrRoomOccu` | `BOOL` | FALSE |

Enable input for overriding room occupancy (
TRUE = override is active)

| | Input Const | `rFanLevelMax` | `REAL` | 3.0 | Maximum fan stage (0 - 3, -1.0 = none) | | Input Const | `rFanLevelMin` | `REAL` | 0.0 | Minimum fan stage (0 - 3) | | Input Const | `rTLSThreshold_23` | `REAL` | 1250.0 | Threshold for switching to zone 3 | | Input Const | `rTLSThreshold_12` | `REAL` | 750.0 | Threshold for switching to zone 2 | | Input Const | `eTLSSource` | THERMOKON\_WRF07\_CO2\_VOC\_TLS\_SOURCE | THERMOKON\_WRF07\_CO2\_VOC\_TLS\_SOURCE.CO2 | Source (= sensor value) for the traffic light function | | Input Const | `rResDeviceValue` | `REAL` | 2.0 |

Value for the register for device reset (register 1000)
(1.0 = factory state, 2.0 = restart)

| | Input Const | `eUnit` | THERMOKON\_WRF07\_CO2\_VOC\_UNIT | THERMOKON\_WRF07\_CO2\_VOC\_UNIT.SI | Current unit system of the device | | Input Const | `rHeightAboveSeaLevel` | `REAL` | 400.0 | Height of the device above sea level in meters | | Input Const | `rVOCOffset` | `REAL` | 0.0 |

Offset of the VOC sensor (for calibration of the VOC sensor)
in percent

| | Input Const | `rCO2Offset` | `REAL` | 0.0 |

Offset of the CO2 sensor (for calibration of the CO2 sensor)
in ppm

| | Input Const | `rHumidityOffset` | `REAL` | 0.0 |

Offset of the room humidity (for calibration of the humidity sensor
) in percent

| | Input Const | `rTempOffset` | `REAL` | 0.0 |

Offset of the room temperature (for calibration of the
temperature sensor) in K

| | Input Const | `eFunctionLED9` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 9 | | Input Const | `eFunctionLED8` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 8 | | Input Const | `eFunctionLED7` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 7 | | Input Const | `eFunctionLED6` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 6 | | Input Const | `eFunctionLED5` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 5 | | Input Const | `eFunctionLED4` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 4 | | Input Const | `eFunctionLED3` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 3 | | Input Const | `eFunctionLED2` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 2 | | Input Const | `eFunctionLED1` | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_LED\_FUNCTION.EXTERNAL\_CONTROL | Function of LED 1 | | Input Const | `eFunctionDI2` | THERMOKON\_WRF07\_CO2\_VOC\_DIGITAL\_INPUT\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_DIGITAL\_INPUT\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of digital input 2 | | Input Const | `eFunctionDI1` | THERMOKON\_WRF07\_CO2\_VOC\_DIGITAL\_INPUT\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_DIGITAL\_INPUT\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of digital input 1 | | Input Const | `rOffsetMax` | `REAL` | 3.0 | Upper limit - setpoint potentiometer (Kelvin) | | Input Const | `rOffsetMin` | `REAL` | -3.0 | Lower limit - setpoint potentiometer (Kelvin) | | Input Const | `rSetpTempMax` | `REAL` | 30.0 | Absolute maximum value - setpoint temperature (degrees Celsius) | | Input Const | `rSetpTempMin` | `REAL` | 15.0 | Absolute minimum value - setpoint temperature (degrees Celsius) | | Input Const | `tTimeButtonPulse` | `TIME` | TIME#1s0ms |

Duration of the pulse at the output, if the assigned
button was pressed

| | Input Const | `eButton5OutpMode` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE.RAW | Operating mode of the output `xButton1` (RAW, PULSE) | | Input Const | `eButton4OutpMode` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE.RAW | Operating mode of the output `xButton1` (RAW, PULSE) | | Input Const | `eButton3OutpMode` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE.RAW | Operating mode of the output `xButton1` (RAW, PULSE) | | Input Const | `eButton2OutpMode` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE.RAW | Operating mode of the output `xButton1` (RAW, PULSE) | | Input Const | `eButton1OutpMode` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_OUTP\_MODE.RAW | Operating mode of the output `xButton1` (RAW, PULSE) | | Input Const | `eFunctionButton5` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of button 5 | | Input Const | `eFunctionButton4` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of button 4 | | Input Const | `eFunctionButton3` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of button 3 | | Input Const | `eFunctionButton2` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of button 2 | | Input Const | `eFunctionButton1` | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION | THERMOKON\_WRF07\_CO2\_VOC\_BUTTON\_FUNCTION.NO\_SPECIAL\_FUNCTION | Function of button 1 | | Input Const | `tTimeUpdateInfo` | `TIME` | TIME#0ms |

Update interval for the processes influenced by the input
xUpdateInfo influenced

| | Input Const | `tTimeUpdateStates` | `TIME` | TIME#500ms |

Update interval for the processes influenced by the input
xUpdateStates influenced

| | Input Const | `tTimeUpdateConfig` | `TIME` | TIME#0ms |

Update interval for the processes influenced by the input
xUpdateConfig influenced

| | Input Const | `tTimeUpdateSetp` | `TIME` | TIME#45s0ms |

Update interval for the processes influenced by the input
xUpdateSetp influenced

| | Input Const | `tTimeUpdateActual` | `TIME` | TIME#3s0ms |

Update interval for the processes influenced by the input
xUpdateActual influenced

| --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://support.powerio.com/hub/codesys-hvac/en/hvac-modbus-library/functionblocks/thermokon/thermokon_wrf07_co2_voc.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.