GRUNDFOS_MAGNA_3_MONO

GRUNDFOS_MAGNA_3_MONO (FB)

FUNCTION_BLOCK GRUNDFOS_MAGNA_3_MONO

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable 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 of the pump ( FALSE = Off, TRUE = On )
Input	xOverride_Max	BOOL	FALSE	Enable / disable override - Maximum operation ( FALSE = Off, TRUE = On )
Input	xOverride_Min	BOOL	FALSE	Enable / disable 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/range depending on operating mode )
Inout	ModbusClient	ModbusClientBase		Client of the device
Output	eForceModeFb	Grundfos_OperationMode		Current pump operating mode (force control)
Output	eOperationModeFb	Grundfos_ControlStatFb		Current pump operating mode ( control / regulation )
Output	wOperationStatFb	WORD		Current operating status
Output	xOperation	BOOL		Current pump status 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 1/min
Output	xMaxSpeed	BOOL		Operation of the pump at maximum speed ( TRUE = On )
Output	xMinSpeed	BOOL		Operation of the pump at minimum speed ( TRUE = On )
Output	rFrequency	REAL		Current frequency of the VFD in XX.X Hz
Output	rPressure	REAL		Current pressure actual value in XX.XXX bar
Output	rDiffPressure	REAL		Current differential pressure actual value (inlet, outlet) in XX.XXX bar
Output	rRemotePressure1	REAL		Current external pressure actual value 1 in XX.XXX bar
Output	rFlow	REAL		Current flow rate in XX.X m3/h
Output	rFluidTemp	REAL		Current temperature of the medium in XXX.XX degrees Celsius
Output	rRemoteTemp2	REAL		Current external temperature 2 in XXX.XX degrees Celsius
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	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 electronics temperature in XXX.XX degrees Celsius
Output	dwOperatingHours	DWORD		Current number of operating hours in XXX h
Output	dwElecEnergyTotal	DWORD		Total electrical energy consumed in XXX kWh#
Output	dwNumberOfStarts	DWORD		Current number of starts
Output	rDiffTemp	REAL		Current differential temperature (supply temperature - return temperature) in Kelvin
Output	dwPowerHeating	DWORD		Current heating power 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 mode in XXX.XX m3 ( not resettable )
Output	dwCoolEnergyTotal	DWORD		Total cooling energy in XXX kWh ( non-resettable )
Output	dwCoolVolumeTotal	DWORD		Total water volume in cooling mode in XXX.XX m3 ( not resettable )
Output	xAccessMode	BOOL		Current source for control ( TRUE = REMOTE = MODBUS )
Output	xWarningDevice	BOOL		Aggregate warning - device ( TRUE = warning )
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	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 - actual value
Input Const	rRemotePressure1Offset	REAL	0.0	Constant measurement offset for the transmitted pressure - actual value
Input Const	xEnWatchdog	BOOL	FALSE	Impact: Outputs: rRemotePressure1 Enable / disable of the communication watchdog FALSE = disabled / TRUE = enabled If the watchdog is enabled, after a time period of 5s (fixed, not adjustable) during which no Modbus telegram was received, the system switches to LOCAL mode Therefore, when the watchdog is enabled, address 12 is cyclically updated at an interval of 2.5s to reliably avoid watchdog triggering.
Input Const	eOperationMode	Grundfos_ControlStatFb	0	Pump operating mode (control / regulation) 0 = speed control
Input Const	xRemoteAccess	BOOL	TRUE	Enable / disable of local operation
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'