GRUNDFOS_MAGNA_3_MONO

GRUNDFOS_MAGNA_3_MONO (FB)

FUNCTION_BLOCK GRUNDFOS_MAGNA_3_MONO

Representation

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable of communication ( TRUE = enabled )
Input	byUnitId	BYTE	0	Device address ( 1 .. 247 )
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	xEnPump	BOOL	FALSE	Enable / disable the pump (FALSE = Off, TRUE = On)
Input	xOverride_Max	BOOL	FALSE	Enable / disable the override - maximum operation ( FALSE = Off, TRUE = On)
Input	xOverride_Min	BOOL	FALSE	Enable / disable the override - minimum operation ( FALSE = Off, TRUE = On)
Input	xResErrorWarn	BOOL	FALSE	Signal to reset alarms / warnings (rising edge)
Input	rSetp	REAL	0.0	Setpoint - pump (unit/value range depending on operating mode )
Inout	ModbusClient	ModbusClientBase		Client of the device
Output	eForceModeFb	Grundfos_OperationMode		Current pump operating mode (forced control)
Output	eOperationModeFb	Grundfos_ControlStatFb		Current pump operating mode (control / regulation)
Output	wOperationStatFb	WORD		Current operating status
Output	xOperation	BOOL		Current pump operation message (FALSE = Off)
Output	rSetpFb	REAL		Feedback of the current setpoint in XXX.XX percent
Output	rProcessFb	REAL		Measured value of the controlled variable in percent
Output	rRelativePerfor	REAL		Current relative load in XXX.XX percent
Output	rSpeed	REAL		Current pump speed in XXX rpm
Output	xMaxSpeed	BOOL		Pump running at maximum speed (TRUE = On)
Output	xMinSpeed	BOOL		Pump running at minimum speed (TRUE = On)
Output	rFrequency	REAL		Current frequency of the VFD in XX.X Hz
Output	rPressure	REAL		Current pressure measured value in XX.XXX bar
Output	rDiffPressure	REAL		Current differential pressure measured value (inlet, outlet) in XX.XXX bar
Output	rRemotePressure1	REAL		Current external pressure measured value 1 in XX.XXX bar
Output	rFlow	REAL		Current volumetric flow in XX.X m3/h
Output	rFluidTemp	REAL		Current temperature in the medium in XXX.XX degrees Celsius
Output	rRemoteTemp2	REAL		Current external temperature 2 in XXX.XX degrees Celsius
Output	xSensorOffsetInDevice	BOOL		Indicates whether the sensor calibration must be performed in the device ( TRUE = calibration required in device, FALSE = calibration required in FB )
Output	rElecCurrent	REAL		Current electrical input current in XX.X A
Output	rDCVoltage	REAL		Current DC link voltage in XXX.X V
Output	dwElecPower	DWORD		Current electrical input power in XXX W
Output	rElectronicTemp	REAL		Current temperature of the electronics in XXX.XX degrees Celsius
Output	dwOperatingHours	DWORD		Current number of operating hours in XXX h
Output	dwElecEnergyTotal	DWORD		Total consumed electrical energy in XXX kWh#
Output	dwNumberOfStarts	DWORD		Current number of starts
Output	rDiffTemp	REAL		Current temperature difference (supply temperature - return temperature) in Kelvin
Output	dwPowerHeating	DWORD		Current heat output in the heating circuit in XXX W
Output	dwHeatEnergyTotal	DWORD		Total heat energy in XXX kWh (non-resettable)
Output	dwHeatVolumeTotal	DWORD		Total water volume in heating operation in XXX.XX m3 (non- resettable)
Output	dwCoolEnergyTotal	DWORD		Total cooling energy in XXX kWh (non-resettable)
Output	dwCoolVolumeTotal	DWORD		Total water volume in cooling operation in XXX.XX m3 (non- resettable)
Output	xAccessMode	BOOL		Current source for operation (TRUE = REMOTE = MODBUS)
Output	xWarningDevice	BOOL		Collective warning - device (TRUE = warning)
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	wErrorCodeDev	WORD	0	Error code - device (0 = no error)
Output	wWarningCodeDev	WORD	0	Warning code - device (0 = no warning)
Output	xBusy	BOOL		Communication indicator ( TRUE = Communication )
Input Const	rRemoteTemp2Offset	REAL	0.0	Constant measurement offset for the transmitted temperature measured value
Input Const	rRemotePressure1Offset	REAL	0.0	Constant measurement offset for the transmitted pressure - measured value
Input Const	xEnWatchdog	BOOL	FALSE	Affecting: Outputs: rRemotePressure1 Enable / disable of the communication watchdog FALSE = disabled / TRUE = enabled If the watchdog is enabled, after a period of 5s (fixed, not adjustable) during which no Modbus telegram has been received, a switch to LOCAL mode occurs When the watchdog is enabled, address 12 is therefore updated cyclically at an interval of 2.5s to reliably prevent watchdog triggering.
Input Const	eOperationMode	Grundfos_ControlStatFb	0	Pump operating mode (control / regulation) 0 = speed control
Input Const	xRemoteAccess	BOOL	TRUE	Enable / disable local operation
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’