# TROX\_XM0 ## `TROX_XM0` (FB) `FUNCTION_BLOCK` TROX\_XM0 ### 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 | `xResError` | `BOOL` | FALSE |

Reinitialization of the outputs eErrorCodeCom or
xErrorCodeDev to the fault-free state (on every rising edge)

| | Input | `rSetpVolFlowPerc` | `REAL` | 0.0 |

Setpoint - volume flow in % (0.0 - 100.0 %) (0.0 % =
Vmin, 100.0 % = Vmax)

| | Inout | `ModbusClient` | `ModbusClientBase` | | Client of the device | | Output | `rVnomUnit` | `REAL` | | Rated volume flow in the selected volume flow unit | | Output | `rVminUnit` | `REAL` | |

Minimum value - volume flow in the selected
volume flow unit

| | Output | `rVmaxUnit` | `REAL` | |

Maximum value - volume flow in the selected
volume flow unit

| | Output | `rDamperPosPerc` | `REAL` | |

Absolute position of the air damper in percent (0.0% =
Closed, 100.0% = Open)

| | Output | `rDamperPosDegree` | `REAL` | | Absolute position of the air damper in degrees | | Output | `rVolFlowPerc` | `REAL` | | Actual value of the volume flow in percent of the rated volume flow | | Output | `rVolFlowUnit` | `REAL` | |

Actual value of the volume flow in the selected
volume flow unit

| | Output | `eSetpSourceFb` | TROX\_XM0\_SETP\_SOURCE | | Feedback of the source for the setpoint (2 = Bus) | | Output | `rSensorValue` | `REAL` | | Current actual value of the sensor in mV | | 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 | `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 | `stErrorCodeDev` | `STRING` | | String with the numbers of the active device errors | | Output | `xBusy` | `BOOL` | | Communication indicator (TRUE = communication) | | Input Const | `rSensorValueOffset` | `REAL` | 0.0 |

Constant measured value offset for the transmitted voltage -
actual value

| | Input Const | `eSetpSource` | TROX\_XM0\_SETP\_SOURCE | TROX\_XM0\_SETP\_SOURCE.BUS\_IN\_BUS\_OUT |

Influence: Outputs: rSensorValue
Source for the setpoint (2 = Bus)

| | Input Const | `eOverrideCon` | TROX\_XM0\_OVERRIDE\_CON | TROX\_XM0\_OVERRIDE\_CON.NO\_OVERRIDE | Forced override of the air damper (0 = none) | | Input Const | `eCommand` | TROX\_XM0\_COMMAND | TROX\_XM0\_COMMAND.NO\_COMMAND | Triggering of test functions (0 = none) | | Input Const | `eVolumeFlowUnit` | TROX\_XM0\_VOLUMEFLOW\_UNIT | TROX\_XM0\_VOLUMEFLOW\_UNIT.M3\_PER\_H |

Unit for the specification of the absolute volume flows (1 =
m3/h)

| | Input Const | `xSetpVolumeFlowMinMax` | `BOOL` | FALSE |

Triggering the transfer of the parameters rSetpVolumeFlowMin
or rSetpVolumeFlowMax (on every rising edge)

| | Input Const | `rSetpVolumeFlowMax` | `REAL` | 300.0 |

Setpoint for the maximum volume flow in the selected
volume flow unit (at rSetpVolFlowPerc = 100.0 %)

| | Input Const | `rSetpVolumeFlowMin` | `REAL` | 100.0 |

Setpoint for the minimum volume flow in the selected
volume flow unit (at rSetpVolFlowPerc = 0.0 %)

| | Input Const | `tTimeOut` | `TIME` | TIME#10s0ms |

Duration for activation of the state
Communication error

| | Input Const | `eBusFailureCommand` | TROX\_XM0\_BUS\_FAILURE | TROX\_XM0\_BUS\_FAILURE.NO\_FAILURE |

Definition of the behavior in the event of a bus failure (0 = no
action)

| | 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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