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1.7.  Connectivity to SONO Probes 

 

 

 

Содержание SONO-VARIO LD

Страница 1: ...l fine Bulk Goods like Sand SONO VARIOXtreme for very high abrasive Goods like Gravel and Grit SONO VARIOLD for low Density Materials like Grain and Woodchips IMKO Micromodultechnik GmbH Telefon 49 0...

Страница 2: ...3 Temperature Measurement 5 1 2 4 Temperature compensation when working at high temperatures 5 1 2 5 Analogue Outputs 6 1 2 6 The serial RS485 interface 7 1 2 7 Error Reports and Error Messages 7 1 3...

Страница 3: ...the respective Measurement Mode 29 2 1 6 Basic Balancing in Air and Water 30 3 Installation of the Probe 31 3 1 Further Assembly Instructions 32 3 2 Assembly Dimensions 33 3 3 Mounting in curved Surf...

Страница 4: ...ods also referred to as Frequency Domain Technology depending on the device operate within a frequency range between 5MHz and 40MHz and are therefore prone to interference due to disturbance such as t...

Страница 5: ...fraction of the material is determined This novel and innovative measurement delivers a radar based conductance value RbC Radar based Conductivity in dS m as characteristic value which is determined...

Страница 6: ...ersions for 0 20mA or 4 20mA Furthermore it is also possible to variably adjust the moisture dynamic range e g to 0 10 0 20 or 0 30 For a 0 10V DC voltage output a 500R resistor can be installed in or...

Страница 7: ...f several sensors probes at the RS485 Interface In addition the SONO VARIO can be directly connected to the USB port of a PC in order to adjust individual measuring parameters or conduct calibrations...

Страница 8: ...l average value with filtering and an accuracy of up to 0 1 for very slowly measuring processes e g in fluidized bed dryers conveyor belts etc Mode CK Cyclic Kalman Filter Standard setting for SONO MI...

Страница 9: ...0 Setting Range 1 100 With the setting of 100 this parameter must be disabled for Mode CK The maximum duration in seconds of the filter function for Lower Limit failures too low measurement values for...

Страница 10: ...too low The Lower Limit Keep Time sets the maximum possible time where the probe could determine inaccurate too low measurement values Furthermore the passing or wiping of the probe head with metal b...

Страница 11: ...e probes SONO probes work in mode CC with automatic summation where it is really ensured that material has contact with the probe This increases the reliability for the moisture measurement during one...

Страница 12: ...re zero point of the probe will be shifted up and the probe would not be detect a moisture low value below the Moisture Threshold Following possible parameter settings in mode CC inside the SONO probe...

Страница 13: ...he button Set Active Calib The finally desired and possibly altered calibration curve Cal1 15 which is activated after switching on the probes power supply will be adjusted with the button Set Default...

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Страница 16: ...sizes unlike other measurement techniques such as microwave technology do not cause any distortion of the measurement result The calibration curve Cal1 Universal Sand Mix is suitable for measuring the...

Страница 17: ...on of water into a mixture should be reduced For measuring these two materials the probe calibration Cal10 or Cal11 can be selected If you want to use a single SONO probe with the calibration Cal1 for...

Страница 18: ...rial It is recommended to detect multiple measurement values for finding a best average value for tpAve The result is the first calibration point P1 e g 70 0 I e 70ps picoseconds of the radar pulse ti...

Страница 19: ...or polynomials up to 5th grade an EXCEL software tool from IMKO can be used on request It is also possible to use any mathematical program like MATLAB for finding a best possible nonlinear calibration...

Страница 20: ...20 44 1 7 Connectivity to SONO Probes...

Страница 21: ...nsor Connections Lead Colour A 7V 24V Power Supply red B 0V Power Supply blue D 1 Analogue Positive Moisture green E 1 Analogue Return Line Moisture yellow F RS485 A white G RS485 B brown C rt IMP Bus...

Страница 22: ...t voltage inputs 0 10V With the help of a shunt resistor with 500 ohm in the delivery included it is possible to generate a 0 10V signal from the current signal 0 20mA The 500 ohm shunt resistor shoul...

Страница 23: ...be directly from the USB port of the PC without the use of the external AC adapter How to start with the USB Module SM USB from IMKO Install USB Driver from USB Stick Connect the SM USB to the USB Por...

Страница 24: ...there is no double occupancy of the interfaces If it comes to conflicts among the serial port or the USB SM has been found in a higher COM port the COM port number can be adjusted manually By double c...

Страница 25: ...a the RS485 interface and displayed on the screen In the menu Bus and the window Configuration the PC can be configured to an available COMx port with the Baudrate of 9600 Baud 2 1 1 Scan of connected...

Страница 26: ...arameters the SONO probe can be adjusted to the desired mode CA CF or CS see Chapter Configuration Measure Mode 2 1 3 Analogue outputs of the SONO probe In the menu Config and the window Analog Output...

Страница 27: ...the SONO probe are loaded and displayed on the screen takes max 1 minute With the mouse pointer individual calibration curves can be activated and tested with the SONO probe by activating the button S...

Страница 28: ...lt Calib The calibration name can be entered in the window Calibration Name The coefficients m0 to m1 for linear curves and m0 to m5 for non linear curves can be entered and adjusted directly by hand...

Страница 29: ...it must be ensured that the SONO probe was also set to this mode Measure Mode CA CF CS A If this is not assured the probe returns zero values Following measurement values are displayed on the screen M...

Страница 30: ...sure continuously In the menu Calibration and the window Basic Balancing the two set point values of the radar time tp are displayed with 60ps and 1000ps 1 Reference set point A tp 60ps in air the sur...

Страница 31: ...e installation inside a silo could be also possible but it must be observed that during filling and emptying no material e g sand can be stick on the probes surface which could be result in measuremen...

Страница 32: ...ove the probe head The probe should not be installed in the direct vicinity of electrical disturbing sources such as motors In case of curved installation surfaces in containers the centre of the prob...

Страница 33: ...on into the container base also enables the measurement of smaller material quantities A mounting flange is available for SONO VARIO The flange can both be welded on to the base and the side wall of t...

Страница 34: ...34 44 Dimensions of the Mounting Flange...

Страница 35: ...ompletely covered with material the probe is best positioned near the base In order to prevent water from accumulating above the sensor head which could falsify the measurement an installation angle o...

Страница 36: ...or a pressure tight installation in a temperature range of 20 C to 80 C a flange installation is recommended The mounting flange can be welded to the container wall Sealing is possible with a 5 5mm th...

Страница 37: ...e in such a way that the radius of the pipe is only disturbed with the flat ceramic plate of the SONO VARIO with a width of 32mm and a length of 86mm Depending on the pipe s diameter e g 150mm the cer...

Страница 38: ...fastening screws look for the right sequence of washer and gasket rings Lift off the probe head carefully so that the robust spring contacts in the interior are canted as little as possible Clean the...

Страница 39: ...for the next 10 seconds preparation time for the first calibration point in air Therefore the dry probe head must be free in air When the LED is on continual for 5 seconds the first calibration point...

Страница 40: ...possible with a special calibration MEASUREMENT RANGE CONDUCTIVITY The sensor as a material specific characteristic value delivers the radar based conductance RbC Radar based Conductance in a range o...

Страница 41: ...le calibrations with polynomials up to the 5 th order are possible A zero point correction can be performed easily with the SONO CONFIG software COMMUNICATION A RS485 interface enables network operati...

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Страница 44: ...IME SONO ENGLISH SONO VARIO SONO VARIO Xtrem LD MAN Vers2_1 english doc Precise Moisture Measurement in hydrology forestry agriculture environmental and earth science civil engineering as well as indi...

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