# KLINGENBURG\_OJ\_DRHX ## `KLINGENBURG_OJ_DRHX` (FB) `FUNCTION_BLOCK` KLINGENBURG\_OJ\_DRHX ### Representation
InOut: | Scope | Name | Type | Initial | Comment | | ----------- | --------------------- | -------------------------- | ----------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Input | `xEn` | `BOOL` | TRUE | Enable / disable communication (TRUE = enable) | | Input | `byUnitId` | `BYTE` | 1 |

Device address (1… 247, default =
factory setting)

| | 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
stErrorCodeDv to the fault-free state (on every rising edge)

| | Input | `xEnMotor` | `BOOL` | FALSE | Enable / lock the motor (TRUE = enable) | | Input | `rSetpRotSpeed` | `REAL` | 0.0 |

Setpoint - rotational speed in % (0.0 - 100.0 %) (
rMotorSpMin - rMotorSpMax)

| | Input | `xResAlarmsDev` | `BOOL` | FALSE |

Reset all device alarms (on every rising
edge)

| | Inout | `ModbusClient` | `ModbusClientBase` | | Client of the device | | Output | `xEnMotorFb` | `BOOL` | |

Feedback - enable / lock the motor (TRUE =
enable)

| | Output | `rSetpRotSpeedFb` | `REAL` | |

Feedback - setpoint - rotational speed in % (0.0
- 100.0 %) (rMotorSpeed\_Min - rMotorSpeed\_Max)

| | Output | `rPercentOut` | `REAL` | | Actuating signal for the stepper motor in % | | Output | `xRotation` | `BOOL` | | Display of rotation (TRUE = rotation) | | Output | `rMotorSpeed` | `REAL` | | Motor rotational speed in 1/min | | Output | `rRotorSpeed` | `REAL` | | Rotor rotational speed in 1/min | | Output | `rMotorSpMin_Fb` | `REAL` | | Feedback - minimum value - motor rotational speed in 1/min | | Output | `rMotorSpMax_Fb` | `REAL` | | Feedback - maximum value - motor rotational speed in 1/min | | Output | `rTorque` | `REAL` | | Motor torque in Nm | | Output | `rIntTemp` | `REAL` | | Internal temperature | | Output | `eControlModeFb` | OJ\_DRHX\_CONTROL\_MODE | | Feedback - type of control (0 = MODBUS, 1 = 0-10V) | | Output | `eRotDirectFb` | OJ\_DRHX\_ROTATION\_DIRECT | | Feedback - rotor direction of rotation (0 = clockwise, 1 = counterclockwise) | | Output | `eAltCommSetFb` | OJ\_DRHX\_ALT\_COMM\_SET | |

Feedback - status of the alternative Modbus connection (
FALSE = factory default, TRUE = alternative connection
(Holding Register 13 - 16))

| | Output | `xDI1` | `BOOL` | | State of digital input 1 (FALSE = LOW) | | Output | `xDI2` | `BOOL` | | State of digital input 2 (FALSE = LOW) | | Output | `xDI3` | `BOOL` | | State of digital input 3 (FALSE = LOW) | | Output | `xDI4` | `BOOL` | | State of digital input 4 (FALSE = LOW) | | Output | `eDI1Config_Fb` | OJ\_DRHX\_DIX\_CONFIG | | Feedback - configuration of digital input 1 | | Output | `eDI2Config_Fb` | OJ\_DRHX\_DIX\_CONFIG | | Feedback - configuration of digital input 2 | | Output | `eDI3Config_Fb` | OJ\_DRHX\_DIX\_CONFIG | | Feedback - configuration of digital input 3 | | Output | `eDI4Config_Fb` | OJ\_DRHX\_DIX\_CONFIG | | Feedback - configuration of digital input 4 | | Output | `rInputPower` | `REAL` | | Power consumption \[ W ] | | Output | `rExtSetp` | `REAL` | |

Voltage at analog input 1 - setpoint
rotational speed (0.0 - 10000 mV)

| | Output | `eType` | OJ\_DRHX\_TYPE | | Type of control | | Output | `eRelay1Config_Fb` | OJ\_DRHX\_RELAYX\_CONFIG | | Feedback - configuration of relay 1 | | Output | `eRelay2Config_Fb` | OJ\_DRHX\_RELAYX\_CONFIG | | Feedback - configuration of relay 2 | | 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 | `rPercentOutMult` | `REAL` | 1.0 |

Multiplier for the output rPercentOut (rPercentOut =
transmitted value \* 0.01 \* rPercentOutMult)

| | Input Const | `rSetpRotSpeedMult` | `REAL` | 1.0 |

Multiplier for the input rSetpRotSpeed (transmitted
value = rSetpRotSpeed \* 100 \* rSetpRotSpeedMult)

| | Input Const | `eDI4Config` | OJ\_DRHX\_DIX\_CONFIG | OJ\_DRHX\_DIX\_CONFIG.DISABLED | | | Input Const | `eDI3Config` | OJ\_DRHX\_DIX\_CONFIG | OJ\_DRHX\_DIX\_CONFIG.EXT\_ROTOR\_GUARD\_SIGNAL | Configuration of digital input 4 | | Input Const | `eDI2Config` | OJ\_DRHX\_DIX\_CONFIG | OJ\_DRHX\_DIX\_CONFIG.ENABLE\_EXT\_ROTOR\_GUARD | Configuration of digital input 3 | | Input Const | `eDI1Config` | OJ\_DRHX\_DIX\_CONFIG | OJ\_DRHX\_DIX\_CONFIG.ALARM\_RESET | Configuration of digital input 2 | | Input Const | `rKFactor` | `REAL` | 100.0 |

Factor for influencing the actuating signal characteristic in
0-10V operation, k = 10000: linear characteristic 1.1V - 9.5V =
rMotorSpMin - rMotorSpMax)

| | Input Const | `rRotorSize` | `REAL` | 0.0 |

Diameter of the rotor in mm (relevant for the variable
rRotorSpeed, 0 mm = rRotorSpeed = rMotorSpeed)

| | Input Const | `rPulleySize` | `REAL` | 0.0 |

Diameter of the motor pulley in mm (relevant for the
variable rRotorSpeed, 0 mm = rRotorSpeed = rMotorSpeed)

| | Input Const | `rPurgeCtrlSignal` | `REAL` | 10.0 | Purge operation: actuating signal during purge operation in % | | Input Const | `tPurgeTime` | `TIME` | TIME#10s0ms | Purge operation: duration of the purge operation | | Input Const | `tPurgeIntervall` | `TIME` | TIME#10m0s0ms |

Purge operation: time interval between two purge operations (
T#0s: deactivation of cyclic purge operation)

| | Input Const | `tPurgeDetect` | `TIME` | TIME#10m0s0ms |

Purge operation: minimum duration of the inactive heat wheel before
the purge operation is triggered

| | Input Const | `rMotorSpMax` | `REAL` | 250.0 | Maximum value - motor rotational speed in 1/min | | Input Const | `rMotorSpMin` | `REAL` | 1.0 | Minimum value - motor rotational speed in 1/min | | Input Const | `xAutoDetectCtrlMode` | `BOOL` | TRUE |

Enable / lock automatic detection of the
operating mode (FALSE = no automatic detection)

| | Input Const | `eControlMode` | OJ\_DRHX\_CONTROL\_MODE | OJ\_DRHX\_CONTROL\_MODE.MODBUS | | | Input Const | `eRotDirect` | OJ\_DRHX\_ROTATION\_DIRECT | OJ\_DRHX\_ROTATION\_DIRECT.CLOCK\_WISE | Type of control (0 = MODBUS, 1 = 0-10V) | | 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

|