# GUENTNER\_GMMNEXT ## `GUENTNER_GMMNEXT` (FB) `FUNCTION_BLOCK` GUENTNER\_GMMNEXT ### 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 every rising
edge) (read access)

| | Input | `xUpdateInfo` | `BOOL` | FALSE | Update of the information (on every rising edge) | | Input | `eOpControlMode` | GUENTNER\_GMMNEXT\_OPERATION\_CONTROL\_MODE | GUENTNER\_GMMNEXT\_OPERATION\_CONTROL\_MODE.AUTO\_INTERNAL |

Operating mode of the control system — setpoint (Holding Register 305
)

| | Input | `xManualMode_Man` | `BOOL` | FALSE |

Enable manual operation in manual mode (TRUE =
manual operation is active) (Coil 265)

| | Input | `xManualMode_Inv` | `BOOL` | FALSE |

Enable reverse operation in manual mode (TRUE =
reverse operation is active) (Coil 266)

| | Input | `xNightLimit` | `BOOL` | FALSE |

Enable night limit via the internal timer
(TRUE = night limit enabled) (Coil 268)

| | Input | `rManualModeSetp` | `REAL` | 0.0 |

Control signal for the fans in manual mode (0.0 -
100.0 percent) (Holding Register 4099)

| | Input | `rNightLimitSetp` | `REAL` | 0.0 |

Control signal for the fans in night mode (0.0 -
100.0 percent) (Holding Register 4100)

| | Input | `rSlaveExtBusSetp` | `REAL` | 0.0 |

Control signal for the fans in the operating mode of
the control system SLAVE\_EXTERNAL\_BUS (0.0 - 100.0 percent) (
Holding Register 7762)

| | 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 | `eOpControlModeFb` | GUENTNER\_GMMNEXT\_OPERATION\_CONTROL\_MODE | |

Operating mode of the control system — feedback (Holding Register
305)

| | Output | `xManualMode_ManFb` | `BOOL` | FALSE |

Status of enable for manual operation in manual mode (TRUE =
manual operation is active) — feedback (Coil 265)

| | Output | `xManualMode_InvFb` | `BOOL` | FALSE |

Status of enable for reverse operation in manual mode (TRUE
= reverse operation is active) — feedback (Coil 266)

| | Output | `xNightLimitFb` | `BOOL` | FALSE |

Status of the night limit (TRUE = night limit is
active) — feedback (Discrete Input 267)

| | Output | `rExtHumidity` | `REAL` | |

Relative humidity outdoors (percent) (Input
Register 4096)

| | Output | `rExtTemp` | `REAL` | |

Temperature outdoors (in the selected unit) (
Input Register 4097)

| | Output | `rVolFlowFanPerc` | `REAL` | |

Volume flow of a fan (percent) (Input Register
4098)

| | Output | `rTotalPowerFans` | `REAL` | |

Current energy consumption of all fans (watts) (
Input Register 4099)

| | Output | `rExtWetBulbTemp` | `REAL` | |

Wet-bulb temperature outdoors (in the selected
unit) (Input Register 4100)

| | Output | `xConLoop1Fb` | `BOOL` | FALSE |

Status of enable for control loop 1 (TRUE = control loop 1
is enabled) — feedback (Discrete Input 7171)

| | Output | `eConLoop1Medium` | GUENTNER\_GMMNEXT\_CONTROL\_LOOP\_MEDIUM | | Medium of control loop 1 (Input Register 4001) | | Output | `rConLoop1Temp` | `REAL` | |

Actual temperature value of control loop 1 (in the selected
unit) (= controlled variable) (Input Register 7488)

| | Output | `rConLoop1SetpTemp` | `REAL` | |

Setpoint temperature value of control loop 1 (in the
selected unit) (= reference variable) (Input Register
7498)

| | Output | `rConLoop1Signal` | `REAL` | |

Control value for the fans of control loop 1 (percent
) (= manipulated variable) (Input Register 7508)

| | Output | `rConLoop1ExitTemp` | `REAL` | |

Actual outlet temperature value of control loop 1 (in the
selected unit) (Input Register 8158)

| | Output | `xAlarmFans` | `BOOL` | FALSE |

Collective alarm of all fans (TRUE = at least one
fan has a malfunction) (Discrete Input 257
)

| | Output | `xAlarmSensors` | `BOOL` | FALSE |

Collective alarm of all sensors (TRUE = at least one sensor
has a malfunction) (Discrete Input 259)

| | Output | `xAlarmControl` | `BOOL` | FALSE |

Collective alarm of the control system - signal level - priority 1 (TRUE
= at least one error of this category is present) (
Discrete Input 260)

| | Output | `xWarnControl` | `BOOL` | FALSE |

Collective alarm of the control system - signal level - priority 2 (TRUE
= at least one error of this category is present) (
Discrete Input 262)

| | Output | `wModbusVersion` | `WORD` | |

Version of the Modbus interface (0 - 65535) (Input
Register 0)

| | Output | `eDeviceType` | GUENTNER\_GMMNEXT\_DEVICE\_TYPE | | Device variant (Input Register 1) | | Output | `sSerialNum` | `STRING` | | Serial number of the device (Input Register 256 - 271) | | Output | `sSoftwareVer` | `STRING` | | Software version of the device (Input Register 272 - 303) | | 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 | `eUnitSystem` | GUENTNER\_GMMNEXT\_UNIT\_SYSTEM | GUENTNER\_GMMNEXT\_UNIT\_SYSTEM.SI\_DEGREE\_CELSIUS\_BAR | Definition of the unit system (Holding Register 1) | | Input Const | `diAdrOffset` | `DINT` | 0 |

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

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

Update interval for the processes influenced by the input
xUpdateInfo 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

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