OPPERMANN_MSX_MOD_I_80_XX_X_XXX

OPPERMANN_MSX_MOD_I_80_XX_X_XXX (FB)

FUNCTION_BLOCK OPPERMANN_MSX_MOD_I_80_XX_X_XXX

Representation

General

This is a multisensor transmitter for installation in ventilation ducts

MS3: without VOC sensor MS4: with VOC sensor (optional)

AI: analog inputs - module (optional) DO: relay output - module (optional)

D-NFC: with NFC display (optional) : without NFC display

The configuration of the Modbus interface and other parameters is carried out via NFC and app when a display is present (variant 1). The configuration of the Modbus interface and other parameters is carried out via buttons when a display is present (variant 2).

A termination resistor (120 ohm) can be enabled/disabled.

The Modbus interface is parameterized as follows without further settings:

RTU 9600 baud 8 data bits Even parity 1 stop bit device address = 1 polling >= 500 ms

It can be parameterized via Modbus (registers 80 - 82) (device address, baud rate and parity). However, this is not implemented in this function block.

Registers 19, 20, 64, 65 and 66 may only be written with FC06.

All parameter changes are made immediately in RAM (not protected against power loss). For permanent storage, saving to EEPROM is required (register 85 = 1).

The device then restarts automatically; Modbus communication is possible again only after approx. 15 s.

The NFC display has higher priority for parameterization than setting parameters via Modbus. As soon as the NFC display is reconnected, the parameter settings from the display are adopted.

Only the temperature sensor and the sensor for relative humidity can be calibrated via Modbus. No calibration option is provided for the CO2 sensor or the optional VOC sensor.

The function of the analog outputs is defined in registers 5 - 7 (9 = writable via registers 56 - 58). The current setpoints of the analog outputs are defined in registers 56 - 58. The current MIN/MAX limit setpoints of the analog outputs are defined in registers 44 - 50. The current function of the analog outputs is read from registers 21 - 23. The current actual values of the analog outputs are read from registers 5 - 7.

The current actual values of the analog inputs are read from registers 53 - 54.

The state of the relay depends on the output (= manipulated variable) of a two-point controller.

Up to four measured values can be used as the controlled variable (selection via register 41). Up to four measured values can be used as the setpoint/target variable (selection via register 40). The setpoint is limited by adjustable limits (minimum via register 43, maximum via register 42). The direction of action of the controller can be set in register 37 (0 = reversed, 1 = direct). The switching hysteresis of the controller can be set in register 36 (in percent of the setpoint). The current state of the relay is read from register 24 (0 = relay not energized, 1 = relay energized). In the ‘Direct’ direction of action the relay energizes if the controlled variable falls below the setpoint by the switching hysteresis. In the ‘Direct’ direction of action the relay de-energizes if the controlled variable exceeds the setpoint by the switching hysteresis.

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable communication (TRUE = enabled)
Input	byUnitId	BYTE	0	Device address (1 .. 127)
Input	xUpdateActual	BOOL	FALSE	Update of actual values (on every rising edge ) (range: operation)
Input	xUpdateSetp	BOOL	FALSE	Update of setpoints (on every rising edge )
Input	xUpdateConfigWrite	BOOL	FALSE	Update of configuration (write access) ( on every rising edge)
Input	rAO1_Man_Perc	REAL	0.0	Setpoint at analog output 1 in manual mode in percent ( eAO1_Config_Select = MANUAL_OUTPUT ) (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Input	rAO2_Man_Perc	REAL	0.0	Setpoint at analog output 2 in manual mode in percent ( eAO2_Config_Select = MANUAL_OUTPUT ) (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Input	rAO3_Man_Perc	REAL	0.0	Setpoint at analog output 3 in manual mode in percent ( eAO3_Config_Select = MANUAL_OUTPUT ) (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Input	xCal_CO2_400	BOOL	FALSE	Input to trigger calibration of the CO2 sensor to 400.0 ppm (on every rising edge)
Input	wCO2_ABC_Time	WORD	7	Cycle duration for automatic adjustment of the lowest CO2 actual value to the 400 ppm reference (0 = disabled, 1 - 15 = duration in days)
Input	xStoreParamEEPROM	BOOL	FALSE	Input to trigger saving all parameters to EEPROM (on every rising edge)
Input	xResError	BOOL	FALSE	Reinitialization of the output ‘eErrorCodeCom’ ( on every rising edge )
Inout	ModbusClient	ModbusClientBase		Client of the device
Output	rTemp	REAL		Temperature in XX.X degrees Celsius
Output	rTemp_Average	REAL		Time-averaged temperature in XX.X degrees Celsius
Output	rRH	REAL		Relative humidity in XX.X percent
Output	rRH_Average	REAL		Time-averaged relative humidity in XX.X percent
Output	rDewPointTemp	REAL		Dew point temperature in XX.X degrees Celsius
Output	rCO2	REAL		CO2 concentration in XXXX ppm
Output	rCO2_Average	REAL		Time-averaged CO2 concentration in XXXX ppm
Output	rVOC	REAL		VOC index in XXX index points (0 = good quality, 500 = poor quality)
Output	rVOC_Average	REAL		Time-averaged VOC index in XXX index points (0 = good quality, 500 = poor quality)
Output	rAO1_Perc	REAL		Actual value at analog output 1 in percent (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Output	rAO2_Perc	REAL		Actual value at analog output 2 in percent (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Output	rAO3_Perc	REAL		Actual value at analog output 3 in percent (0.0 - 100.0% corresponds to 1.0 - 10.0 V )
Output	eAO1_Config	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG		Configuration of analog output 1 (9 = writable via ‘rAO1_Man’ )
Output	eAO2_Config	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG		Configuration of analog output 2 (9 = writable via ‘rAO2_Man’ )
Output	eAO3_Config	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG		Configuration of analog output 3 (9 = writable via ‘rAO3_Man’ )
Output	xDO1	BOOL		State of relay DO1 (FALSE = relay not active, TRUE = relay active) (optional)
Output	rAI1_Perc	REAL		Actual value at analog input 1 in percent (0.0 - 100.0% corresponds to 1.0 - 10.0 V ) (optional)
Output	rAI2_Perc	REAL		Actual value at analog input 2 in percent (0.0 - 100.0% corresponds to 1.0 - 10.0 V ) (optional)
Output	xSensorOffsetInDevice	BOOL		Indicates whether sensor calibration must be performed in the device ( TRUE = calibration required in the device, FALSE = calibration required in the FB )
Output	xAlarm	BOOL		Collective fault (TRUE = fault)
Output	xAlarmCom	BOOL		Collective fault - communication (TRUE = fault)
Output	eErrorCodeCom	ModbusErrorCode		Error code - communication (0 = no error)
Output	xBusy	BOOL		Communication indicator (TRUE = communication)
Input Const	rDO1_Setp_Max	REAL	2000.0	Absolute maximum of the setpoint of the two-point controller for the relay output DO1 (depending on the selection of the controlled variable ‘eDO1_ControlVarSelect’ )
Input Const	rDO1_Setp_Min	REAL	0.0	Absolute minimum of the setpoint of the two-point controller for the relay output DO1 (depending on the selection of the controlled variable ‘eDO1_ControlVarSelect’ )
Input Const	eDO1_ControlVarSelect	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_DO1_CONTROL_VARIABLE_SELECTION	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_DO1_CONTROL_VARIABLE_SELECTION.CO2	Selection of the controlled variable of the two-point controller for the relay output DO1
Input Const	rDO1_Setp	REAL	800.0	Setpoint of the two-point controller for the relay output DO1 ( depending on the selection of the controlled variable ‘eDO1_ControlVarSelect’ )
Input Const	eDO1_DirecOfAction	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_DO1_DIRECTION_OF_ACTION	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_DO1_DIRECTION_OF_ACTION.DIRECT_ACTION	Direction of action of the two-point controller for the relay output DO1
Input Const	rDO1_Hysteres	REAL	10.0	Hysteresis of the two-point controller for the relay output DO1 ( in percent of the setpoint ‘rDO1_Setp’ )
Input Const	xEn_DO_Option	BOOL	FALSE	Enable/disable the option ‘1 relay - module’ ( potential-free changeover contact) (TRUE = enabled)
Input Const	xEn_AI_Option	BOOL	FALSE	Enable/disable the option ‘2 analog inputs’ (1.0 - 10.0 V) (TRUE = enabled)
Input Const	tTimeAverageCalc	TIME	TIME#20s0ms	Time constant for calculating averages and for executing controller functions (5 - 122 s)
Input Const	xEnAutoStoreEEPROM	BOOL	FALSE	Enable/disable automatic storage of all setpoints/parameters in EEPROM (FALSE: only via input ‘xStoreParamEEPROM’, TRUE = automatic)
Input Const	rVOC_Max_AOX	REAL	499.0	VOC actual value that forms the maximum of the linear characteristic at the analog output (produces 100.0% = 10.0 V) (0.0 - 500.0)
Input Const	rCO2_Max_AOX	REAL	2000.0	CO2 actual value that forms the maximum of the linear characteristic at the analog output (produces 100.0% = 10.0 V) (0.0 - 5000.0)
Input Const	rCO2_Min_AOX	REAL	0.0	CO2 actual value that forms the minimum of the linear characteristic at the analog output (produces 0.0% = 1.0 V) (0.0 - 5000.0)
Input Const	rRH_Max_AOX	REAL	95.0	Humidity actual value that forms the maximum of the linear characteristic at the analog output (produces 100.0% = 10.0 V) (0.0 - 100.0)
Input Const	rRH_Min_AOX	REAL	0.0	Humidity actual value that forms the minimum of the linear characteristic at the analog output (produces 0.0% = 1.0 V) (0.0 - 100.0)
Input Const	rTemp_Max_AOX	REAL	50.0	Temperature actual value that forms the maximum of the linear characteristic at the analog output (produces 100.0% = 10.0 V) (-25.0 - 50.0)
Input Const	rTemp_Min_AOX	REAL	-25.0	Temperature actual value that forms the minimum of the linear characteristic at the analog output (produces 0.0% = 1.0 V) (-25.0 - 50.0)
Input Const	rRH_Offset	REAL	0.0	Constant measurement offset for the transmitted humidity actual value ( +/- 20.0% RH )
Input Const	rTemp_Offset	REAL	0.0	Constant measurement offset for the transmitted temperature actual value ( +/- 20.0 degrees Celsius )
Input Const	eAO3_Config_Select	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG.MANUAL_OUTPUT	Affects: outputs: rTemp, rTemp_Average Configuration of analog output 3 (9 = writable via ‘rAO3_Man’ )
Input Const	eAO2_Config_Select	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG.MANUAL_OUTPUT	Configuration of analog output 2 (9 = writable via ‘rAO2_Man’ )
Input Const	eAO1_Config_Select	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG	OPPERMANN_MSX_MOD_I_80_XX_X_XXX_ANALOG_OUTPUTS_CONFIG.MANUAL_OUTPUT	Configuration of analog output 1 (9 = writable via ‘rAO1_Man’ )
Input Const	tTimeUpdateConfigWrite	TIME	TIME#0ms	Update interval for the operations affected by the input 'xUpdateConfigWrite'
Input Const	tTimeUpdateSetp	TIME	TIME#45s0ms	Update interval for the operations affected by the input 'xUpdateSetp'
Input Const	tTimeUpdateActual	TIME	TIME#3s0ms	Update interval for the operations affected by the input 'xUpdateActual'