SYSTEMAIR_SAVE_CONTROL
SYSTEMAIR_SAVE_CONTROL (FB)
SYSTEMAIR_SAVE_CONTROL (FB)FUNCTION_BLOCK SYSTEMAIR_SAVE_CONTROL
InOut:
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
eOpMode
SYSTEMAIR_SAVE_CONTROL_OP_MODE
SYSTEMAIR_SAVE_CONTROL_OP_MODE.AUTO
Device operating mode — default
Input
arwSpFan_Percent
ARRAY [1..10] OF WORD
[16, 16, 16, 16, 16, 16, 16, 16, 16, 16]
Setpoints (percent) of the fans at the individual fan levels (MIN, LOW, NORMAL, HIGH, MAX) arwSpFan_Percent[1] = Setpoint - supply air fan at level MIN (range: 16 … 100) arwSpFan_Percent[2] = Setpoint - exhaust air fan at level MIN (range: 16 … 100) arwSpFan_Percent[3] = Setpoint - supply air fan at level LOW (range: 16 … 100) arwSpFan_Percent[4] = Setpoint - exhaust air fan at level LOW (range: 16 … 100) arwSpFan_Percent[5] = Setpoint - supply air fan at level NORMAL (range: 16 … 100) arwSpFan_Percent[6] = Setpoint - exhaust air fan at level NORMAL (range: 16 … 100) arwSpFan_Percent[7] = Setpoint - supply air fan at level HIGH (range: 16 … 100) arwSpFan_Percent[8] = Setpoint - exhaust air fan at level HIGH (range: 16 … 100) arwSpFan_Percent[9] = Setpoint - supply air fan at level MAX (range: 16 … 100) arwSpFan_Percent[10] = Setpoint - exhaust air fan at level MAX (range: 16 … 100)
Input
arwSpFan_UPM
ARRAY [1..10] OF WORD
[500, 500, 500, 500, 500, 500, 500, 500, 500, 500]
Setpoints (RPM) of the fans at the individual fan levels (MIN, LOW, NORMAL, HIGH, MAX) arwSpFan_UPM[1] = Setpoint - supply air fan at level MIN (range: 500 … 5000) arwSpFan_UPM[2] = Setpoint - exhaust air fan at level MIN (range: 500 … 5000) arwSpFan_UPM[3] = Setpoint - supply air fan at level LOW (range: 500 … 5000) arwSpFan_UPM[4] = Setpoint - exhaust air fan at level LOW (range: 500 … 5000) arwSpFan_UPM[5] = Setpoint - supply air fan at level NORMAL (range: 500 … 5000) arwSpFan_UPM[6] = Setpoint - exhaust air fan at level NORMAL (range: 500 … 5000) arwSpFan_UPM[7] = Setpoint - supply air fan at level HIGH (range: 500 … 5000) arwSpFan_UPM[8] = Setpoint - exhaust air fan at level HIGH (range: 500 … 5000) arwSpFan_UPM[9] = Setpoint - supply air fan at level MAX (range: 500 … 5000) arwSpFan_UPM[10] = Setpoint - exhaust air fan at level MAX (range: 500 … 5000)
Input
arwSpFan_Pressure
ARRAY [1..10] OF WORD
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Setpoints (pressure) of the fans at the individual fan levels (MIN, LOW, NORMAL, HIGH, MAX) arwSpFan_Pressure[1] = Setpoint - supply air fan at level MIN (range: unknown) arwSpFan_Pressure[2] = Setpoint - exhaust air fan at level MIN (range: unknown) arwSpFan_Pressure[3] = Setpoint - supply air fan at level LOW (range: unknown) arwSpFan_Pressure[4] = Setpoint - exhaust air fan at level LOW (range: unknown) arwSpFan_Pressure[5] = Setpoint - supply air fan at level NORMAL (range: unknown) arwSpFan_Pressure[6] = Setpoint - exhaust air fan at level NORMAL (range: unknown) arwSpFan_Pressure[7] = Setpoint - supply air fan at level HIGH (range: unknown) arwSpFan_Pressure[8] = Setpoint - exhaust air fan at level HIGH (range: unknown) arwSpFan_Pressure[9] = Setpoint - supply air fan at level MAX (range: unknown) arwSpFan_Pressure[10] = Setpoint - exhaust air fan at level MAX (range: unknown)
Input
arwSpFan_VolumeFlow
ARRAY [1..10] OF WORD
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Setpoints (volume flow) of the fans at the individual fan levels (MIN, LOW, NORMAL, HIGH, MAX) arwSpFan_VolumeFlow[1] = Setpoint - supply air fan at level MIN (range: unknown) arwSpFan_VolumeFlow[2] = Setpoint - exhaust air fan at level MIN (range: unknown) arwSpFan_VolumeFlow[3] = Setpoint - supply air fan at level LOW (range: unknown) arwSpFan_VolumeFlow[4] = Setpoint - exhaust air fan at level LOW (range: unknown) arwSpFan_VolumeFlow[5] = Setpoint - supply air fan at level NORMAL (range: unknown) arwSpFan_VolumeFlow[6] = Setpoint - exhaust air fan at level NORMAL (range: unknown) arwSpFan_VolumeFlow[7] = Setpoint - supply air fan at level HIGH (range: unknown) arwSpFan_VolumeFlow[8] = Setpoint - exhaust air fan at level HIGH (range: unknown) arwSpFan_VolumeFlow[9] = Setpoint - supply air fan at level MAX (range: unknown) arwSpFan_VolumeFlow[10] = Setpoint - exhaust air fan at level MAX (range: unknown)
Input
rSpTemp
REAL
22.0
Setpoint - temperature (supply air, exhaust air, room) (range: 12.0 - 30.0 degrees Celsius)
Input
rSpSupplyTempMin
REAL
18.0
Minimum value - supply air temperature (range: 12.0 - 40.0 degrees Celsius)
Input
rSpSupplyTempMax
REAL
30.0
Maximum value - supply air temperature (range: 12.0 - 40.0 degrees Celsius)
Input
xFilterReset
BOOL
FALSE
Filter reset status (TRUE = active)
Input
xResError
BOOL
FALSE
Reinitialization of the outputs ‘eErrorCodeCom’ to the no-error state (on each rising edge)
Inout
ModbusClient
ModbusClientBase
Client of the device
Output
eOpModeFb
SYSTEMAIR_SAVE_CONTROL_OP_MODE_FB
Device operating mode — feedback
Output
xOperation
BOOL
Device operation indicator (TRUE = operating)
Output
rSpSupplyFan_Min
REAL
Setpoint - supply air fan at Minimum level (percent, RPM, pressure, volume flow)
Output
rSpExhausFan_Min
REAL
Setpoint - exhaust air fan at Minimum level (percent, RPM, pressure, volume flow)
Output
rSpSupplyFan_Low
REAL
Setpoint - supply air fan at Low level (percent, RPM, pressure, volume flow)
Output
rSpExhausFan_Low
REAL
Setpoint - exhaust air fan at Low level (percent, RPM, pressure, volume flow)
Output
rSpSupplyFan_Nor
REAL
Setpoint - supply air fan at Normal level (percent, RPM, pressure, volume flow)
Output
rSpExhausFan_Nor
REAL
Setpoint - exhaust air fan at Normal level (percent, RPM, pressure, volume flow)
Output
rSpSupplyFan_Hig
REAL
Setpoint - supply air fan at High level (percent, RPM, pressure, volume flow)
Output
rSpExhausFan_Hig
REAL
Setpoint - exhaust air fan at High level (percent, RPM, pressure, volume flow)
Output
rSpSupplyFan_Max
REAL
Setpoint - supply air fan at Maximum level (percent, RPM, pressure, volume flow)
Output
rSpExhausFan_Max
REAL
Setpoint - exhaust air fan at Maximum level (percent, RPM, pressure, volume flow)
Output
rRotSpeedSupFan
REAL
Current rotational speed of the supply air fan in 1/min ( tachometer signal, 0 - 5000)
Output
rRotSpeedExhFan
REAL
Current rotational speed of the exhaust air fan in 1/min ( tachometer signal, 0 - 5000)
Output
rSpSupplyAirTemp
REAL
Current supply air setpoint temperature (12.0 - 30.0 degrees Celsius)
Output
rAntifreezeSig
REAL
Actual value - antifreeze sensor (-40.0 - +80.0 degrees Celsius)
Output
rTempOda
REAL
Current outside temperature (-40.0 - +80.0 degrees Celsius)
Output
rSupplyAirTemp
REAL
Current supply air temperature (-40.0 - +80.0 degrees Celsius)
Output
rRoomTemp
REAL
Current room temperature (-40.0 - +80.0 degrees Celsius)
Output
rOverHeatTemp
REAL
Current overtemperature in the electric reheat coil (-40.0 - +80.0 degrees Celsius)
Output
rExhaustAirTemp
REAL
Current exhaust air temperature (-40.0 - +80.0 degrees Celsius)
Output
rContSigHeatRec
REAL
Control signal - heat recovery unit or bypass (0 - 100%)
Output
rContSigReHeat
REAL
Control signal - reheat coil (0 - 100%)
Output
xFilterMainten
BOOL
Actual value - filter maintenance indicator (TRUE = maintenance required )
Output
xFireAlarm
BOOL
Actual value - fire alarm (smoke detector) (TRUE = alarm active)
Output
xErrorDevice_A
BOOL
Alarm output - fault messages - Alarm A (TRUE = fault active)
Output
xErrorDevice_B
BOOL
Alarm output - fault messages - Alarm B (TRUE = fault active)
Output
xErrorDevice_C
BOOL
Alarm output - fault messages - Alarm C (TRUE = fault active)
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
xBusy
BOOL
Communication indicator ( TRUE = communication )
Input Const
eSpFanMode
SYSTEMAIR_SAVE_CONTROL_SP_FAN_MODE
SYSTEMAIR_SAVE_CONTROL_SP_FAN_MODE.PERCENT
Operating mode for fan setpoints Selecting this operating mode determines which array is monitored for setpoint changes. Example: eSpFanMode = SYSTEMAIR_SAVE_CONTROL_SP_FAN_MODE.PERCENT The array ‘arwSpFan_Percent’ is monitored for changes and transmitted if necessary.
Input Const
eExhaustAirFanLevel
SYSTEMAIR_SAVE_CONTROL_EXHAUST_AIR_FAN_LEVEL
SYSTEMAIR_SAVE_CONTROL_EXHAUST_AIR_FAN_LEVEL.NORMAL
Fan level of the exhaust air fan in manual operation
Input Const
eSupplyAirFanLevel
SYSTEMAIR_SAVE_CONTROL_SUPPLY_AIR_FAN_LEVEL
SYSTEMAIR_SAVE_CONTROL_SUPPLY_AIR_FAN_LEVEL.NORMAL
Fan level of the supply air fan in manual operation
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 operations influenced by the input 'xUpdateSetp'
Input Const
tTimeUpdateActual
TIME
TIME#10s0ms
Update interval for operations influenced by the input 'xUpdateActual'
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