# TROX\_FSL\_CONTROL\_3 ## `TROX_FSL_CONTROL_3` (FB) `FUNCTION_BLOCK` TROX\_FSL\_CONTROL\_3 ### Representation
InOut: | Scope | Name | Type | Initial | Comment | | ----------- | ------------------------ | ----------------------------------------- | ------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------ | | Input | `xEn` | `BOOL` | TRUE | Enable / disable communication (TRUE = enable) | | Input | `byUnitId` | `BYTE` | 0 | Device address | | Input | `xUpdateActual` | `BOOL` | FALSE |

Update of actual values (on every rising edge
)

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

Update of setpoints (on every rising edge
)

| | Input | `eOpMode` | TROX\_FSL\_CONTROL\_3\_OP\_MODE | TROX\_FSL\_CONTROL\_3\_OP\_MODE.OFF | Operating mode of the device — preset | | Input | `eOpType` | TROX\_FSL\_CONTROL\_3\_OP\_TYPE | TROX\_FSL\_CONTROL\_3\_OP\_TYPE.STANDBY | Operating mode of the device — default | | Input | `eOpTypeOverride` | TROX\_FSL\_CONTROL\_3\_OP\_TYPE\_OVERRIDE | TROX\_FSL\_CONTROL\_3\_OP\_TYPE\_OVERRIDE.NO\_OVERRIDE | Operating mode override of the device — default | | Input | `rTempOda` | `REAL` | 0.0 | Current outdoor temperature in degrees Celsius — default | | Input | `rTempLimitCoolPresence` | `REAL` | 22.2 | Upper room temperature limit for cooling in degrees Celsius in presence mode — default | | Input | `rTempLimitHeatPresence` | `REAL` | 21.8 | Lower room temperature limit for heating in degrees Celsius in presence mode — default | | Input | `rTempRoom` | `REAL` | 20.0 | Current room temperature in degrees Celsius — default | | Input | `rSpTempRoom` | `REAL` | 22.0 | Current room setpoint temperature in degrees Celsius — default | | Input | `rSpTempRoomOffset` | `REAL` | 0.0 | Current room setpoint temperature offset in degrees Celsius — default | | Input | `rSpTempSupply` | `REAL` | 22.0 | Current supply air setpoint temperature in degrees Celsius — default | | Input | `rSpTempSupplyOffset` | `REAL` | 0.0 | Current supply air setpoint temperature offset in degrees Celsius — default | | Input | `rRoomHumidity` | `REAL` | 50.0 | Relative room humidity in percent — default | | Input | `xChangeOver` | `BOOL` | FALSE | Notification of the connected medium (FALSE = heating medium, TRUE = cooling medium) — default | | Input | `rSpFanLevel` | `REAL` | 3.0 | Setpoint for fan speed (1.0 = level 1, 2.0 = level 2, … 5.0 = level 5) — default | | Input | `rRoomAirQuality` | `REAL` | 700.0 | Room air quality in ppm — default | | Input | `rOutsAirQuality` | `REAL` | 400.0 | Outdoor air quality in ppm — default | | Input | `rVolumeFlowDiff` | `REAL` | 0.0 | Volume flow difference in m3/h | | Input | `xFire` | `BOOL` | FALSE | Status of fire alarm (TRUE = active) — default | | Input | `xWindow` | `BOOL` | FALSE | Status of window contact (TRUE = active) — default | | Input | `xExtraTime` | `BOOL` | FALSE | Status of overtime activation (TRUE = active) — default | | Input | `xFilterReset` | `BOOL` | FALSE | Status of filter reset (TRUE = active) — default | | Input | `xResError` | `BOOL` | FALSE |

Reinitialization of the outputs eErrorCodeCom in the
fault-free state (on each rising edge)

| | Inout | `ModbusClient` | `ModbusClientBase` | | Client of the device | | Output | `eOpModeFb` | TROX\_FSL\_CONTROL\_3\_OP\_MODE | | Operating mode of the device — feedback | | Output | `eOpTypeFb` | TROX\_FSL\_CONTROL\_3\_OP\_TYPE | | Operating mode of the device — feedback | | Output | `eOpTypeOverrideFb` | TROX\_FSL\_CONTROL\_3\_OP\_TYPE\_OVERRIDE | | Operating mode override of the device — feedback | | Output | `eOpStateFB` | TROX\_FSL\_CONTROL\_3\_OP\_STATE | | Operating status of the device — feedback | | Output | `eVentTypeFb` | TROX\_FSL\_CONTROL\_3\_VENT\_TYPE | | Ventilation type of the device — feedback | | Output | `rTempSupplyFb` | `REAL` | | Current supply air temperature in degrees Celsius — feedback | | Output | `rTempOdaFb` | `REAL` | | Current outdoor temperature in degrees Celsius — feedback | | Output | `rTempRoomFb` | `REAL` | | Current room temperature in degrees Celsius — feedback | | Output | `rTempReturnFlowFb` | `REAL` | | Current return temperature in degrees Celsius — feedback | | Output | `rTempFlowFb` | `REAL` | | Current flow temperature in degrees Celsius — feedback | | Output | `rTempOffsetFb` | `REAL` | | Current room/supply air temperature offset in degrees Celsius — feedback | | Output | `xExtraTimeFb` | `BOOL` | | Status of overtime activation (TRUE = active) — feedback | | Output | `rTempLimitCoolFb` | `REAL` | | Upper room temperature limit for cooling in degrees Celsius — feedback | | Output | `rTempLimitHeatFb` | `REAL` | | Lower room temperature limit for heating in degrees Celsius — feedback | | Output | `rTempSetpSupplyFb` | `REAL` | | Supply air setpoint temperature in degrees Celsius — feedback | | Output | `eFanLevelFb` | TROX\_FSL\_CONTROL\_3\_FAN\_LEVEL | | Fan speed of the device — feedback | | Output | `rRoomHumidityFb` | `REAL` | | Relative room humidity in percent — feedback | | Output | `rRoomAirQualityFb` | `REAL` | | Room air quality in ppm — feedback | | Output | `rVolumeFlowOdaFb` | `REAL` | | Volume flow in outdoor air in m3/h — feedback | | Output | `rVolumeFlowExhFb` | `REAL` | | Volume flow in exhaust air in m3/h — feedback | | Output | `xWindowFb` | `BOOL` | | Status of window contact (TRUE = active) — feedback | | Output | `xFireFb` | `BOOL` | | Status of fire alarm (TRUE = active) — feedback | | Output | `rSystemDevices` | `REAL` | | Number of devices in the network (1x master and 1x slave = 2 devices) | | Output | `eDemandRoom` | TROX\_FSL\_CONTROL\_3\_DEMAND\_ROOM | | Display of the room heating / cooling demand | | Output | `eDemandSupply` | TROX\_FSL\_CONTROL\_3\_DEMAND\_SUPPLY | | Display of the supply air heating / cooling demand | | Output | `rValvePosHeatMas` | `REAL` | | Control - heating valve - master in percent | | Output | `rValvePosCoolMas` | `REAL` | | Control - cooling valve - master in percent | | Output | `arrTempSupplySla` | `ARRAY` \[1 .. 10] `OF` `REAL` | | Current supply air temperatures of the slaves \[ Slave 1 - Slave 10 ] in degrees Celsius | | Output | `arrValvePosHeatSla` | `ARRAY` \[1 .. 10] `OF` `REAL` | | Current control signals for the heating valves of the slaves \[ Slave 1 - Slave 10 ] in degrees Celsius | | Output | `arrValvePosCoolSla` | `ARRAY` \[1 .. 10] `OF` `REAL` | | Current control signals for the cooling valves of the slaves \[ Slave 1 - Slave 10 ] in degrees Celsius | | Output | `sAlarmA` | `STRING` | | Collective fault - Alarm A (partially shut down) | | Output | `sAlarmB` | `STRING` | | Collective fault - Alarm B (non-shut-down) | | 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 | `diAdrOffset` | `DINT` | 0 |

Offset for calculating the Modbus addresses (from the Modbus
registers) (permitted range: -1, 0, +1)

| | 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

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