# SPLUSS\_8148\_MOD\_LCD ## `SPLUSS_8148_MOD_LCD` (FB) `FUNCTION_BLOCK` SPLUSS\_8148\_MOD\_LCD ### 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 | `xUpdateConfig` | `BOOL` | FALSE | Update of the configuration (on each rising edge) | | Inout | `ModbusClient` | `ModbusClientBase` | | Client of the device | | Output | `rDifPressure` | `REAL` | | Differential pressure unfiltered in XXX.X Pa | | Output | `rDifPressure_1s` | `REAL` | | Differential pressure filtered 1s in XXX.X Pa | | Output | `rDifPressure_10s` | `REAL` | | Differential pressure filtered 10s in XXX.X Pa | | Output | `xAutoZeroAct` | `BOOL` | |

Display of the execution of an auto-zero function (TRUE =
function active)

| | Output | `rTemp_4s` | `REAL` | | Temperature filtered 4s in XX.X degrees Celsius | | Output | `rTemp_32s` | `REAL` | | Temperature filtered 32s in XX.X degrees Celsius | | Output | `rrH_4s` | `REAL` | | Relative humidity filtered 4s in XX.X % rH | | Output | `rrH_32s` | `REAL` | | Relative humidity filtered 32s in XX.X % rH | | Output | `rVolumeFlow` | `REAL` | | Volumetric flow calculated in XXXXX m3/h | | Output | `rDewpointTemp` | `REAL` | | Dew point temperature in XXX.X degrees Celsius | | Output | `rAbsH_M3` | `REAL` | | Absolute humidity in XX.X g/m3 | | Output | `rMixRatio` | `REAL` | | Mixing ratio in XXX.X g water/kg dry air | | Output | `rEnthalpy` | `REAL` | | Enthalpy in XXX.X kJ/kg | | Output | `rairtight` | `REAL` | | Air density in XXX.X kg/m3 | | 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 | `eErrorCodeDev` | SPLUSS\_ERROR\_CODE\_TYPE\_1 | | Error code - device (0 = no error) | | Output | `xBusy` | `BOOL` | | Communication indicator (TRUE = communication) | | Input Const | `rAltitude` | `REAL` | 500.0 | Altitude above sea level (range: -500 … 5000 meters) | | Input Const | `tTimeAutoZero` | `TIME` | TIME#1440m0s0ms |

Time interval between two processes for automatic
zero point adjustment (range: 15 … 1440 min)

| | Input Const | `rK_Type` | `REAL` | 2.0 |

Selection of the formula for calculating the air volume (range: 1
… 3)

| | Input Const | `rK_Value` | `REAL` | 1.0 |

k-factor for calculating the air volume (range: 1 … 2000
)

| | Input Const | `xAutoZeroPress` | `BOOL` | FALSE |

Zero-point adjustment of the differential pressure measured value (at every
rising edge)

| | Input Const | `stDisplText` | `STRING(7)` | `powerIO` |

Any text with 7 characters (fixed length) in the
bottom display line

| | 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

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