SYSTEMAIR_ACCESS_CONTROL

SYSTEMAIR_ACCESS_CONTROL (FB)

FUNCTION_BLOCK SYSTEMAIR_ACCESS_CONTROL

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 each rising edge )
Input	xUpdateSetp	BOOL	FALSE	Update of setpoints ( on each rising edge )
Input	eExternalCon	SYSTEMAIR_ACCESS_CONTROL_EXTERNAL_CONTROL	SYSTEMAIR_ACCESS_CONTROL_EXTERNAL_CONTROL.NO_EXTERNAL_CONTROL	External control of the unit — default
Input	eTempConMode	SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE	SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE.SUPPLY_AIR	Type of temperature control of the unit — default
Input	eFanConMode	SYSTEMAIR_ACCESS_CONTROL_FAN_CONT_MODE	SYSTEMAIR_ACCESS_CONTROL_FAN_CONT_MODE.FLOW	Type of fan control of the unit — default
Input	rSpTempSupplyAir	REAL	21.0	Supply air setpoint temperature in degrees Celsius when eTempConMode = SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE.SUPPLY_AIR
Input	rSpTempExtrAir	REAL	22.0	Exhaust air setpoint temperature in degrees Celsius when eTempConMode = SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE.EXTRACT_AIR_CASCADE
Input	rSpTempRoom	REAL	22.0	Room setpoint temperature in degrees Celsius when eTempConMode = SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE.ROOM_CASCADE
Input	xAckAlarmsDev	BOOL	FALSE	Acknowledge all alarms ( TRUE = active )
Input	xResAlarmSICDev	BOOL	FALSE	Reset of the service interval counter alarm ( TRUE = active )
Input	xResError	BOOL	FALSE	Reinitialization of the output 'eErrorCodeCom' to the error-free state (on each rising edge)
Inout	ModbusClient	ModbusClientBase		Client of the device
Output	eUnitModeFb	SYSTEMAIR_ACCESS_CONTROL_OP_MODE_FB		Operating mode of the unit — feedback
Output	eUnitTrigFb	SYSTEMAIR_ACCESS_CONTROL_TRIG_FB		Cause of the unit's current operating mode — feedback
Output	eExternalConFB	SYSTEMAIR_ACCESS_CONTROL_EXTERNAL_CONTROL		State of the unit's external control — feedback
Output	eTempConModeFB	SYSTEMAIR_ACCESS_CONTROL_TEMP_CONTR_MODE		Current type of temperature control of the unit — feedback
Output	eFanConModeFB	SYSTEMAIR_ACCESS_CONTROL_FAN_CONT_MODE		Current type of fan control of the unit — feedback
Output	eSupAirFanMode	SYSTEMAIR_ACCESS_CONTROL_FAN_MODE		Operating mode of the supply air fan
Output	eExtAirFanMode	SYSTEMAIR_ACCESS_CONTROL_FAN_MODE		Operating mode of the extract air fan
Output	rTempOda	REAL		Current outside temperature in degrees Celsius
Output	rTempIntakeAir	REAL		Current intake air temperature in degrees Celsius
Output	rTempSupplyAir	REAL		Current supply air temperature in degrees Celsius
Output	rTempExhaustAir	REAL		Current exhaust air temperature in degrees Celsius
Output	rTempExtractAir	REAL		Current extract air temperature in degrees Celsius
Output	rSupplyAirPres	REAL		Current pressure in the supply air in Pa
Output	rExtractAirPres	REAL		Current pressure in the extract air in Pa
Output	rSupplyAirFlow	REAL		Current volumetric flow in the supply air
Output	rExtractAirFlow	REAL		Current volumetric flow in the extract air
Output	rExtractAirCO2	REAL		Current CO2 concentration in the extract air / room in ppm
Output	rExtractAirHum	REAL		Current relative humidity in the extract air / room in percent
Output	rFilterSupAir	REAL		Differential pressure - filter - supply air in Pa
Output	rFilterExtAir	REAL		Differential pressure - filter - extract air in Pa
Output	rTempAveragRoom	REAL		Temperature - average of all four room temperature sensors in degrees Celsius
Output	rActiveSeq	REAL		Number of the active sequence ( 1 … 10 )
Output	arrContSigSeq	ARRAY [1..10] OF REAL		Control signal of the individual sequences ( 1 … 10 )
Output	rSupAirFanCon	REAL		Control signal for the supply air fan in percent
Output	rExtAirFanCon	REAL		Control signal for the extract air fan in percent
Output	rSpTempSupplyAirFb	REAL		Current setpoint of the supply air temperature in degrees Celsius — feedback
Output	rSpSupAirFan	REAL		Current setpoint for the supply air fan as pressure / volumetric flow
Output	rSpExtAirFan	REAL		Current setpoint for the extract air fan as pressure / volumetric flow
Output	rSFP	REAL		Specific fan power in Ws/m3
Output	rSupAirFanUpM	REAL		Rotational speed of the supply air fan in revolutions per minute
Output	rExtAirFanUpM	REAL		Rotational speed of the extract air fan in revolutions per minute
Output	rPosDamper_1	REAL		Current position of damper 1 in percent
Output	rPosDamper_2	REAL		Current position of damper 2 in percent
Output	rPosDamper_3	REAL		Current position of damper 3 in percent
Output	rPosDamper_4	REAL		Current position of damper 4 in percent
Output	rPosDamper_5	REAL		Current position of damper 5 in percent
Output	rSpSupAirCool	REAL		Setpoint - supply air temperature in cooling mode in degrees Celsius
Output	rSpSupAirHeat	REAL		Setpoint - supply air temperature in heating mode in degrees Celsius
Output	rSpDehum	REAL		Setpoint - dehumidification in percent relative humidity
Output	rSpHum	REAL		Setpoint - humidification in percent relative humidity
Output	eHumConMode	SYSTEMAIR_ACCESS_CONTROL_HUM_MODE		Current operating mode for humidification / dehumidification
Output	xErrorDevice_A	BOOL		Alarm output - unacknowledged fault messages - Alarm A ( TRUE = fault active )
Output	xErrorDevice_B	BOOL		Alarm output - unacknowledged fault messages - Alarm B ( TRUE = fault active )
Output	xErrorDevice_C	BOOL		Alarm output - unacknowledged fault messages - Alarm C ( TRUE = fault active )
Output	xFilterSupAir	BOOL		Filter maintenance indicator - supply air ( TRUE = maintenance required )
Output	xFilterExtAir	BOOL		Filter maintenance indicator - extract air ( TRUE = maintenance required )
Output	xFireAlarm	BOOL		Fire alarm ( TRUE = alarm active )
Output	xSmokeAlarm	BOOL		Smoke alarm ( TRUE = alarm active )
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	xBusy	BOOL		Communication indicator ( TRUE = communication )
Input Const	diAdrOffset	DINT	0	Offset for calculating Modbus addresses ( from the Modbus registers ) ( Permissible range: -1, 0, +1 )
Input Const	tTimeUpdateSetp	TIME	TIME#45s0ms	Update interval for the processes affected by the input ‘xUpdateSetp’
Input Const	tTimeUpdateActual	TIME	TIME#10s0ms	Update interval for the processes affected by the input ‘xUpdateActual’