BELIMO_LMV_D3

BELIMO_LMV_D3 (FB)

FUNCTION_BLOCK BELIMO_LMV_D3

Representation

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable of 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	xResError	BOOL	FALSE	Reinitialization of the outputs ‘eErrorCodeCom’ and ‘stErrorCodeDev’ to the error-free state (on each rising edge)
Input	rSetpVolFlowPerc	REAL	0.0	Setpoint - volume flow in % (0.0 - 100.0 %) (0.0 % = Vmin, 100.0 % = Vmax)
Input	xEnDevice	BOOL	FALSE	Enable / disable of the volume flow controller (FALSE = forced control CLOSED, TRUE = forced control 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		Nominal volume flow in the selected volume flow unit
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 volume flow in percent of the nominal volume flow
Output	rVolFlowUnit	REAL		Actual value of the volume flow in the selected volume flow unit
Output	rSetpVolFlowPercFb	REAL		Feedback of the setpoint - volume flow in % (0.0 - 100.0 %) (0.0 % = Vmin, 100.0 % = Vmax)
Output	eCommandFb	BELIMO_LMV_D3_COMMAND		Feedback of the triggering of test functions (0 = none)
Output	eOverrideConFb	BELIMO_LMV_D3_OVERRIDE_CON		Feedback of the forced override of the damper (0 = none)
Output	eActuatorType	BELIMO_LMV_D3_ACTUATOR_TYPE		Type of actuator
Output	eVolumeFlowUnitFb	BELIMO_LMV_D3_VOLUMEFLOW_UNIT		Feedback of the unit for absolute volume flow values (1 = m3/h)
Output	eSetpSourceFb	BELIMO_LMV_D3_SETP_SOURCE		Feedback of the source for the setpoint (0 = Analog, 1 = bus)
Output	eBusTermin	BELIMO_LMV_D3_BUS_TERMINATION		State of the Modbus termination resistor ( 1 = active )
Output	eSensorTypeFb	BELIMO_LMV_D3_SENSOR_TYPE		Feedback of the type of the connected sensor (0 = none )
Output	sSerialNum	STRING		Device serial number
Output	wFirmwareVer	WORD		Firmware version of the device
Output	rSensorValue	REAL		Current actual value of the sensor in mV
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 active device errors
Output	xBusy	BOOL		Communication indicator ( TRUE = Communication )
Input Const	rSensorValueOffset	REAL	0.0	Constant measurement offset for the transmitted voltage actual value
Input Const	eSensorType	BELIMO_LMV_D3_SENSOR_TYPE	BELIMO_LMV_D3_SENSOR_TYPE.NO_SENSOR	Affects: Outputs: rSensorValue Type of the connected sensor (0 = none)
Input Const	eSetpSource	BELIMO_LMV_D3_SETP_SOURCE	BELIMO_LMV_D3_SETP_SOURCE.BUS	Source for the setpoint (0 = Analog, 1 = Bus)
Input Const	eControlMode	BELIMO_LMV_D3_CONTROL_MODE	BELIMO_LMV_D3_CONTROL_MODE.CLOSED_LOOP	Type of control / regulation (0 = Open Loop = position control, 1 = Closed Loop = volume flow control)
Input Const	eCommand	BELIMO_LMV_D3_COMMAND	BELIMO_LMV_D3_COMMAND.NO_COMMAND	Triggering of test functions (0 = none)
Input Const	eVolumeFlowUnit	BELIMO_LMV_D3_VOLUMEFLOW_UNIT	BELIMO_LMV_D3_VOLUMEFLOW_UNIT.M3_PER_H	Unit for the absolute volume flow values (1 = m3/h)
Input Const	xSetpVolumeFlowMinMax	BOOL	FALSE	Triggering of the transmission of the parameters ‘rSetpVolumeFlowMin’ and ‘rSetpVolumeFlowMax’ (on each rising edge)
Input Const	rSetpVolumeFlowMax	REAL	180.0	Setpoint for the maximum volume flow in the selected volume flow unit (at rSetpVolFlowPerc = 100.0 %)
Input Const	rSetpVolumeFlowMin	REAL	0.0	Setpoint for the minimum volume flow in the selected volume flow unit (at rSetpVolFlowPerc = 0.0 %)
Input Const	tTimeOut	TIME	TIME#10s0ms	Duration for activation of the 'communication failure' state (t = 0s = disabled, for t > 0s (at least 10 s) the parameter 'rSetpVolFlowPerc' must be transmitted cyclically with a time interval < t)
Input Const	eBusFailureCommand	BELIMO_LMV_D3_BUS_FAILURE	BELIMO_LMV_D3_BUS_FAILURE.LAST_SETPOINT	Definition of behavior in case of a bus failure (0 = last setpoint)
Input Const	tTimeUpdateSetp	TIME	TIME#45s0ms	Update interval for the operations influenced by the input ‘xUpdateSetp’
Input Const	tTimeUpdateActual	TIME	TIME#3s0ms	Update interval for the operations influenced by the input ‘xUpdateActual’