BELIMO_VRU_D3_BAC_FULL

BELIMO_VRU_D3_BAC_FULL (FB)

FUNCTION_BLOCK BELIMO_VRU_D3_BAC_FULL

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable communication ( TRUE = enabled )
Input	byUnitId	BYTE	0	Address of the device
Input	xUpdateActual	BOOL	FALSE	Update of actual values (on every rising edge )
Input	xUpdateSetp	BOOL	FALSE	Update of setpoint values (on every rising edge )
Input	xUpdateInfo	BOOL	FALSE	Update of device information (on every rising edge)
Input	xResError	BOOL	FALSE	Reinitialization of the outputs ‘eErrorCodeCom’ and/or ‘stErrorCodeDev’ to the no-error 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	Volume flow control: setpoint - volume flow 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 - volumetric flow in the selected volumetric flow unit
Output	rVmaxUnit	REAL		Maximum value - volumetric flow in the selected volumetric flow unit
Output	rVnomUnit	REAL		Nominal volumetric flow in the selected volumetric flow unit
Output	rVnomM3H	REAL		Nominal volume flow in m3/h
Output	rDamperPosPerc	REAL		Absolute position of the damper in percent (0.0% = Closed, 100.0% = Open)
Output	rDamperPosDegree	REAL		Absolute position of the damper in degrees
Output	rVolFlowPerc	REAL		Actual value of the volumetric flow in percent of the nominal volumetric flow
Output	rVolFlowM3H	REAL		Actual value of the volume flow in m3/h
Output	rVolFlowUnit	REAL		Actual value of the volumetric flow in the selected volumetric flow unit
Output	rDiffPressPerc	REAL		Actual value of the differential pressure in percent (relative to the absolute differential pressure in Pa)
Output	rDiffPressPa	REAL		Actual value of the differential pressure in pascals
Output	rDiffPressUnit	REAL		Actual value of the differential pressure in the selected differential pressure unit
Output	rDiffPressNomUnit	REAL		Actual value of the nominal differential pressure in the selected differential pressure unit
Output	rDiffPressNomPa	REAL		Actual value of the nominal differential pressure in pascals
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 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 absolute volumetric flow values (1 = m3/h)
Output	eControlMode	BELIMO_VRU_D3_BAC_CONTROL_MODE		Type of control / regulation (0 = Position_Control = position control, 1 = Flow_Control = volumetric 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		Status of the Modbus termination 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 of the room pressure cascade control
Output	sSerialNum	STRING		Device serial number
Output	wFirmwareVer	WORD		Firmware version of the device
Output	rSensor1Value	REAL		Current actual value of the sensor in mV
Output	xSensorOffsetInDevice	BOOL		Indicator whether the calibration of the sensors must be performed in the device (TRUE = calibration in device required, FALSE = calibration in FB required)
Output	rSetpAnalog	REAL		Setpoint in XXX.X % (0.0 - 100.0 %) based on the sensor
Output	xAlarm	BOOL	FALSE	General fault ( TRUE = fault )
Output	xAlarmCom	BOOL	FALSE	General 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 measurement 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 values (0 = Pa)
Input Const	rSystemAltitude	REAL	450.0	Site altitude above sea level in meters
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 absolute volumetric flow values (1 = m3/h)
Input Const	xSetpVolumeFlowMinMax	BOOL	FALSE	Triggering the transmission of the parameters ‘rSetpVolumeFlowMin’ and ‘rSetpVolumeFlowMax’ (on every rising edge)
Input Const	rSetpVolumeFlowMax	REAL	2000.0	Setpoint for the maximum volumetric flow in the selected volumetric flow unit (when rSetpVolFlowPerc = 100.0 %)
Input Const	rSetpVolumeFlowMin	REAL	500.0	Setpoint for the minimum volumetric flow in the selected volumetric flow unit (when rSetpVolFlowPerc = 0.0 %)
Input Const	tBusFailureTimeOut	TIME	TIME#10s0ms	Duration for the activation of the state 'communication failure' ( t = 0s = disabled, for t >= 10s ( minimum 10 s ) the parameter 'rSetpVolFlowPerc' must be transmitted cyclically with a time interval < t )
Input Const	rBusFailurePos	REAL	100.0	Position of the damper in case of a bus failure ( in %, 100% = open )
Input Const	tTimeUpdateInfo	TIME	TIME#0ms	Update interval for the processes influenced by the input ‘xUpdateInfo’
Input Const	tTimeUpdateSetp	TIME	TIME#45s0ms	Update interval for operations influenced by the input 'xUpdateSetp'
Input Const	tTimeUpdateActual	TIME	TIME#3s0ms	Update interval for operations influenced by the input 'xUpdateActual'