BELIMO_VRU_D3_BAC_FULL

BELIMO_VRU_D3_BAC_FULL (FB)

FUNCTION_BLOCK BELIMO_VRU_D3_BAC_FULL

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	xUpdateInfo	BOOL	FALSE	Device information update (on every rising edge)
Input	xResError	BOOL	FALSE	Reinitialization of the outputs eErrorCodeCom or stErrorCodeDev to the fault-free state (on every rising edge)
Input	rSetpPerc	REAL	0.0	Setpoint in % (0.0 - 100.0 %) depending on application
Input	eOverrideCon	BELIMO_VRU_D3_BAC_OVERRIDE_CON	BELIMO_VRU_D3_BAC_OVERRIDE_CON.NO_OVERRIDE	Airflow control: setpoint - airflow in % (0.0 - 100.0 %) (0.0 % = Vmin, 100.0 % = Vmax) Forced override of the air damper (0 = none)
Inout	ModbusClient	ModbusClientBase		Client of the device
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	rVnomUnit	REAL		Rated volume flow in the selected volume flow unit
Output	rVnomM3H	REAL		Nominal airflow in m3/h
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	rVolFlowM3H	REAL		Actual value of the airflow in m3/h
Output	rVolFlowUnit	REAL		Actual value of the volume flow in the selected volume flow unit
Output	rDiffPressPerc	REAL		Actual differential pressure value in percent (relative to the absolute differential pressure in Pa)
Output	rDiffPressPa	REAL		Actual differential pressure value in Pascal
Output	rDiffPressUnit	REAL		Actual differential pressure value in the selected differential pressure unit
Output	rDiffPressNomUnit	REAL		Actual nominal differential pressure value in the selected differential pressure unit
Output	rDiffPressNomPa	REAL		Actual nominal differential pressure value in Pascal
Output	rSetpPercFb	REAL		Feedback of the setpoint in % (0.0 - 100.0 %)
Output	eCommandFb	BELIMO_VRU_D3_BAC_COMMAND		Feedback of the triggering of test functions (0 = none)
Output	eOverrideConFb	BELIMO_VRU_D3_BAC_OVERRIDE_CON		Feedback of the forced override of the air damper (0 = none)
Output	eActuatorType	BELIMO_VRU_D3_BAC_ACTUATOR_TYPE		Type of the actuator
Output	eVolumeFlowUnitFb	BELIMO_VRU_D3_BAC_VOLUMEFLOW_UNIT		Feedback of the unit for the specification of the absolute volume flows (1 = m3/h)
Output	eControlMode	BELIMO_VRU_D3_BAC_CONTROL_MODE		Type of control / regulation (0 = Position_Control = position control, 1 = Flow_Control = volume flow control)
Output	eSetpSourceFb	BELIMO_VRU_D3_BAC_SETP_SOURCE		Feedback of the source for the setpoint (0 = Analog, 1 = Bus)
Output	eBusTermin	BELIMO_VRU_D3_BAC_BUS_TERMINATION		State of the Modbus terminating resistor (1 = Active)
Output	eSensorTypeFb	BELIMO_VRU_D3_BAC_SENSOR_TYPE		Feedback of the type of the connected sensor (0 = none )
Output	eApplication	BELIMO_VRU_D3_BAC_APPLICATION		Active application
Output	ePressOpModeFb	BELIMO_VRU_D3_BAC_PRESS_OP_MODE		Feedback - operating mode for room pressure control (only for VRU-M1R-BAC)
Output	eRoomPressCasc	BELIMO_VRU_D3_BAC_ROOM_PRESS_CASCADE		Enable / disable room pressure cascade control
Output	sSerialNum	STRING		Serial number of the device
Output	wFirmwareVer	WORD		Firmware version of the device
Output	rSensor1Value	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	rSetpAnalog	REAL		Setpoint in XXX.X % (0.0 - 100.0 %) based on the sensor
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	rSensor1Offset	REAL	0.0	Constant measured value offset for the transmitted actual value of sensor 1
Input Const	eDiffPressUnit	BELIMO_VRU_D3_BAC_DIFF_PRESS_UNIT	BELIMO_VRU_D3_BAC_DIFF_PRESS_UNIT.PASCAL	Influence: outputs: rSensor1Value (eSensor1Type = 1-2) unit for the differential pressure specifications (0 = Pa)
Input Const	rSystemAltitude	REAL	450.0	Altitude of the location in meters above sea level
Input Const	ePressOpMode	BELIMO_VRU_D3_BAC_PRESS_OP_MODE	BELIMO_VRU_D3_BAC_PRESS_OP_MODE.POSITIVE_PRESSURE	Operating mode for room pressure control (only for VRU-M1R-BAC)
Input Const	eSensor1Type	BELIMO_VRU_D3_BAC_SENSOR_TYPE	BELIMO_VRU_D3_BAC_SENSOR_TYPE.NONE	Type of the connected sensor (0 = none)
Input Const	eSetpSource	BELIMO_VRU_D3_BAC_SETP_SOURCE	BELIMO_VRU_D3_BAC_SETP_SOURCE.BUS	Source for the setpoint (0 = Analog, 1 = Bus)
Input Const	eCommand	BELIMO_VRU_D3_BAC_COMMAND	BELIMO_VRU_D3_BAC_COMMAND.NO_COMMAND	Triggering of test functions (0 = none)
Input Const	eVolumeFlowUnit	BELIMO_VRU_D3_BAC_VOLUMEFLOW_UNIT	BELIMO_VRU_D3_BAC_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	2000.0	Setpoint for the maximum volume flow in the selected volume flow unit (at rSetpVolFlowPerc = 100.0 %)
Input Const	rSetpVolumeFlowMin	REAL	500.0	Setpoint for the minimum volume flow in the selected volume flow unit (at rSetpVolFlowPerc = 0.0 %)
Input Const	tBusFailureTimeOut	TIME	TIME#10s0ms	Duration for activation of the state Communication error (t = 0s = disabled, for t >= 10s (at least 10 s) the parameter must rSetpVolFlowPerc must be transferred cyclically with a time interval < t)
Input Const	rBusFailurePos	REAL	100.0	Position of the damper in the event of a bus failure (in %, 100% = open)
Input Const	tTimeUpdateInfo	TIME	TIME#0ms	Update interval for the processes influenced by the input xUpdateInfo 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