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User Manual TRIME-GWs

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1. sse 37 7 1 6 Measure run in Datalogger Operation ssssssssssseeeeeeeee enne 37 7 1 7 Basic Balancing in air and dry glass beads ssseseeeee 38 7 1 8 Execution of the basic calibration for TRIME GWS sse 39 Technical Data TRIME GWS ene genap une dana aneda eg aneda anganan en ia udu anapa nasi tasa nnns natn Rusa nn 40 IMKO 4 44 1 Instrument Description TRIME GWs 1 1 1 The patented TRIME TDR Measuring Method The TDR technology Time Domain Reflectometry is a radar based dielectric measuring procedure at which the transit times of electromagnetic pulses for the measurement of dielectric constants respectively the moisture content are determined TRIME GWs consists of the measurement transformer TRIME GWs and the GR probe head An integrated TRIME TDR measuring transducer of IMKO s SONO series is installed into the TRIME GWs casing A high frequency TDR pulse 1GHz passes along wave guides and generates an electro magnetic field around these guides and herewith also in the material surrounding the probe Using a new patented measuring method IMKO has achieved to measure the transit time of this pulse with a resolution of 1 picosecond 1x1075 consequently determine the moisture and the conductivity of the measured material The established moisture content as well as the conductivity respectively the temperature can either be upload
2. TRIME GWs with external GR Probe IMKO Micromodultechnik GmbH Telefon 49 0 7243 5921 0 Im St ck 2 Fax 49 0 7243 90856 D 76275 Ettlingen e mail info imko de http Iwww imko de I publik TECH_MAN TRIME SONO ENGLISH SONO GW bzw TRIME GWs TRIME GWs MAN Vers1 2 english doc IMKOA 2 44 User Manual for TRIME GWs As of 15 May 2014 Thank you for buying an IMKO moisture probe Please carefully read these instructions in order to achieve best possible results with your TRIME GWs in line moisture measurement system Should you have any questions or suggestions regarding your new system after reading please do not hesitate to contact our authorised dealers or IMKO directly We will gladly help you List of Content Instrument Description TRIME GWS nnuunsnnnsasnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnannnnnannnnnnnnnnnnnnnnnnnnnann 4 1 1 1 The patented TRIME TDR Measuring Method eene 4 1 14 2 TRIME compared to other Measuring Methods eeeeeee 4 1 1 8 Areas of Application with TRIME GWs and the GR Probe ssssesses 4 1 2 Mode of Operation rettet ian gga d e eR ER PEE EU FOREN IA a sal agan a a 5 1 2 13 Measurement value collection with pre check average value and filtering 5 1 2 8 Temperature Measurement sssssssssesesenenene nennen nennen nnne 5 1 2 8 Temperature compensation when working at high tempera
3. Setting Range 1 20 The accumulation of moisture values starts above the Moisture Threshold and the analogue signal is output The accumulation pauses if the moisture level is below the threshold value No Material Delay in seconds Standard Setting 5 Setting Range 1 20 The accumulation stopps if the moisture value is below the moisture threshold The SONO probes starts again in a new batch with a new accumulation after the time span of the No Material Delay is exceeded Boost Standard Setting 35 Setting Range 1 100 Automatic summation stops if threshold is below No Material Delay After expiration of No Material Delay the probe is ready to start a new summation in a new batch Offset Standard Setting 0 5 Setting Range 0 5 Non linearities in the process can be compensated E g in fluid bed dryers non linearities can occur due to changes in the material density during the drying process Offset works together with the parameter Average time Weight Standard Setting 5 Setting Range 0 5 Smoothing factor for measured values This parameter influences the reaction response time Invalid Measure Count Standard Setting 2 Setting Range 0 10 This par meter is de activated in mode CK This parameter works only in mode CC or CH Number of discarded poor measurement values after the start of a new batch when No Material Delay has trigger
4. 5 2 2 Selection of the calibration curve Cal1 to Cal15 Up to 15 different calibration curves CAL1 Cal15 are stored inside the TRIME GWs They can be activated in two ways A With the stand alone module SONO VIEW the calibration curve can be selected and activated B The calibration curve Call 15 can be activated with the module SM USB which is connected via a PC In the menu Calibration and in the window Material Property Calibration by selecting the desired calibration curve Cal1 Cal15 and with using the 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 Calib Moisture measurement is dependent on the following parameters Location e g metallic objects within the field of measurement Bulk density of the grain Type of grain product The TRIME GWs can only be adjusted when installed in the plant as the location and the bulk density of the grain have a significant influence on moisture measurement Adjustment must be carried out separately for every dried product Moisture measurement is dependent on the following parameters Location e g metallic objects within the field of measurement Bulk density of the grain Type of grain product As soon as one of these parameters changes another calibration curve and adjustment must be chosen If all possible
5. AKAN 13 3 1 4 Best installation conditions for TRIME GWSs inside a tunnel dryer 13 3 1 5 Best installation conditions for TRIME GWSs inside a rotary dryer 14 The GR Probe Installation eeeeeeeiees wanara eeeeee eiie seen nana nennt nnn than inan anna natn ansa n as 15 4 1 1 Exchange ofaGRProb sawana arannana aaa an a aan aaa a Sea Gana danang iina aaa 16 4 2 Installation of measurement transformer TRIME GWS eee eaaa aane aane nana n anana a eee 17 5 3 44 Initial operation and installation nersesnnsennnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnn nennen nennnnannennnn nnn nnn 18 5 1 Adjustment Guidelines for relative Moisture Measurements in the heating Zone 18 5 2 Adjustments for initial operation ener 18 5 2 1 Adjustment for plants with several TRIME GWsS ensessnsnnnnennnnnnnnnnnnnnnnan 18 5 2 2 Selection of the calibration curve Cal to Cal15 sss 19 5 2 3 Calibration curves with or without temperature compensation ssssss 19 5 3 Calibration Curves Call to Call5 uursneesseennssennnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnannn 21 5 3 1 Selection and application of the reference method sss 22 5 3 2 Recording measurement data in trial operation sssseeeee 23 5 3 3 Setting the ca
6. CS BETTY 289041 ONOS J8ujo ey ge pue 39NV 13 0NOS feidsig q31 n WONGE enpi pur UP 8XeJu 0 jo mep amde 0 ajdurexo 40 4 aqoud aq uu e amp ejeorunuduJoo PUB Od E uim aqoid ONOS Jno j2euuo vea semen an come 89 ONOS apeui eq ue eqnud eui oi uam 4snipe 9 4NOO ONOS amumyos 88j eui us uogeuiquioo eu uj P o Q10lHvA ONOS apoui Gugesedo ejeudoudde us oi amp uiuo e amp amp qoud ONOS ereinDiyuco oi ajqissod si AK3IA ONOS SINAH euoe pueis I uus SMD 3INIBLL M3IA ONOS IMKOA 8 44 2 1 1 How to configurate SONO probes to appropriate operating and calibration parameters TRIME GWs is initially adjusted for the application for grain drying with the calibration curve Cal2 operation mode CF and 3 seconds average time The analogue outputs are adjusted to 4 20mA With this pre adjustment TRIME GWs can be installed direct in the heating zone without further adjustments For operation at the discharge hopper where an absolute moisture value is important TRIME GWs has to be adjusted to a suitable calibration curve Cal x depending on grain type and possibly to a zero offset depending on installation place There are two ways to configurate and adjust a SONO probe A Online Configuration via SONO VIEW With the stand alone device SONO VIEW it is possible to configurate SONO probes online to an appropriate operating mode without the need to connect the SONO probe to
7. Lead Colour grey pink i f Pin J com Lead Colour blue red How to start with the SM USB module from IMKO e Install USB Driver from USB Stick e Connect the SM USB to the USB Port of the PC and the installation will be accomplished automatically e Install Software SONOConfig SetUp msi from USB Stick e Connection of the TRIME GWs to the SM USB via RS485A RS485B and OV e Check the setting of the COM Ports in the Device Manager und setup the specific COM Port with the Baudrate of 9600 Baud in SONO CONFIG with the button Bus and Configuration COM1 COM15 is possible e Start Scan probes in SONOConfig e The TRIME GWSs logs in the window Probe List after max 30 seconds with its serial number IMKO 33 44 MERMODU TEDHAK V cup Note 1 In the Device Manager passes it as follows Control Panel gt System gt Hardware gt Device Manager E Ger te Manager Datei Aktion Ansicht gt BESBERB lt RA Bl Acronis Devices E Anschl sse COM und LPT 3 ECP Druckeranschluss LPT1 Under the entry Ports COM amp LPT now the I Intel R Active Management Technology SOL COM20 item USB Serial Port COMX is found JJ Kommunikationsanschluss COMI I Prolific USB to Serial Bridge COM2 I Prolific USB to Serial Bridge COM3 I Standardm igige Seriell ber Bluetooth Verbindung COM14 I Standardm gige Seriell ber Bluetooth Verbindung COM15 I Standardm gige Seriell ber Blue
8. process After the period SONO probe recognizes that the of No Material Delay e g 5 seconds the adjustable moisture threshold of e g SONO probe recognizes that the threshold of 1 has been exceeded and the 1 has been exceeded The previously stored probe starts automatically with the measurement value is cleared and the probe continuous accumulation of starts again automatically with the continuous measurement values yellow curve accumulation of measurement values yellow curve IMKO MEROMCOUTECHNIK Y GVER 32 44 6 2 Connection of the RS485 to the SM USB Module The SM USB provides the ability to connect a TRIME GWSs either to the standard RS485 interface or optionally to the IMP Bus from IMKO which enables the download of a new firmware to the TRIME GWs Both connector ports are shown in the drawing below The SM USB is signalling the status of power supply and the transmission signals with 4 LED s When using a dual USB connector on the PC it is possible to use the power supply for the TRIME GWs directly from the USB port of the PC without the use of the external AC adapter Connection to the Probe RS485 Connector Pin B 0V Power Supply Pin A 12VDC Power Supply Pin G RS485B Lead Colour brown Pin F RS485A Lead Colour white 12VDC MP f T pr With the option to accomplish 4 Vf a download of the firmware for the SONO probe SE Pin B OV Power Supply Pin A 12VDC Power Supply AZ Pin C rt
9. tested with the SONO probe by activating the button Set Active Calib Furthermore the individual calibration curves CAL1 to Cal15 can be adapted or modified with the calibration coefficients see Chapter Creating a linear calibration curve Material Property Calibration N X m Calibration Item Please select one calibration from Call to Cal15 to operate Set Active Calib Ca Act CalDP CaNamein Probe MatiD P TemiD P DeniD P Sr Default Calibration Item 0 00000 No Calibration 00000 00000 00000 1 A 06035 Universal Sand Mix 06035 06000 06000 1 2 06040 Lime Sand Linear 06040 06000 06000 3 06041 Cement Powder 06041 06000 06000 Set Default Calib 4 06042 wood Pellets 06042 06000 06000 5 06043 Wheat 06043 06000 06000 alhrah 6 06044 Flour 06044 06000 06000 Bann 7 06045 Suger 06045 06000 06000 ju niversal S and Mix 8 06046 Brown coal granulate 06046 06000 06000 3 06047 SONO MIX 06047 06000 06000 Set 10 06048 Expanded clay 06048 06000 06000 11 06043 Lightly sand 06043 06000 06000 Material Coeffs r Temp Coeffs 12 06050 Sewage sludge 06050 06000 06000 13 06054 Ceramic Suspension 06054 06000 06000 mo 5 5 t0 20 14 06058 Air to Water 06058 06000 06000 mi 10 05 n 0 15 06053 Variol5 06053 06000 06000 m2 0 0 The desired and possibly altered calibration curve Call 15 which is activated after switching on the probes power supply can be adjusted with the b
10. value input It is ideal to use several TRIME GWSs in this case The highest level of drying efficiency can be achieved with automatic control systems 3 1 4 Best installation conditions for TRIME GWSs inside a tunnel dryer Near the material feed Although it is possible to measure here the moisture the distance to the cooling zone is so far that a precise control and regulation of moisture with the PLC is not possible Furthermore it could be possible that grains are frozen but TRIME GWS cannot detect frozen water Soan installation here is not recommended At the end of the heating zone and transition to the cooling zone Here it s already too late to react and control the moisture with the PLC Furthermore the material could have not best homogeneity So an installation here is also not recommended Here the conditions are ideal The grain is not too hot and the distance to the cooling zone is sufficient for the PLC to regulate for the correct moisture content With a measured moisture value it is possible to calculate the amount of water reduction Depending on grain type like maize wheat or rye a suitable calibration curve has to be adjusted inside the TRIME GWs At this installation place not the absolute moisture stands in the foreground Instead it is more important to measure relative moisture values together with an adjusted temperature compensation inside the moisture probe so that the probe measure precise relative moisture value
11. 4 05 IMKO 27 44 6 Configuration of the Measure Mode TRIME GWs is pre adjusted in the factory before delivery to mode CF A process related later new adjustment of this device internal setting is possible with the help of the service program SONO CONFIG or directly online with SONO VIEW For all activities regarding parameter setting and calibration the probe can be directly connected via the RS485 interface to the PC via a RS485 USB Module which is available from IMKO The following settings of TRIME GWs can be amended with the service program SONO CONFIG Measurement Mode and Parameters e Measurement Mode A On Request only in network operation for the retrieval of measurement values via the RS485 interface e Measurement Mode C Cyclic TRIME GWs is supplied ex factory with suited parameters in Mode CF with SiSecond averageitime for bulk goods Mode CS Cyclic Successive For very short measuring processes e g 5 20 seconds without floating average with internal up to 100 measurements per second and a cycle time of 250 milliseconds at the analogue output Measurement mode CS can also be used for getting raw data from the TRIME GWs without averaging and filtering Mode CA Cyclic Average Filter For relative short measuring processes with continual average value filtering and an accuracy of up to 0 1 Cyclic Float Average for continual average value with filtering and an accuracy of up to 0 1 for very slowly measuring p
12. G PBS Precise Moisture Measurement in hydrology forestry agriculture environmental and earth science civil engineering as well as individual applications I publik TECH_MAN TRIME SONO ENGLISH SONO GW bzw TRIME GWs TRIME GWs MAN Vers1 2 english doc
13. IME GWSs works here as a highpass filter where the higher moisture values are used for building an average value and the lower or zero values are filtered out In the following this function is described with SONO parameters MKO y 30 44 Sufficient material for an accurately moisture measurement value of e g 8 Material gaps over e g 3 seconds which must be bridged for an accurately measurement with a Lower Limit Keep Time of 5 seconds The following parameter setting in mode CA fits a high pass filtering for bridging material gaps Average Mode under Mode C C4 Cyclic Average v Average Parameters Average Time s no Fiter Upper Limit Offset 20 Fiter Lower Limit Offset f2 Upper Limit Keep Time TEN Lower Limit Keep Time 5 The Filter Upper Limit is here deactivated with a value of 20 the Filter Lower Limit is set to 2 With a Lower Limit Keep Time of 5 seconds the average value will be frozen for 5 seconds if a single measurement value is below the limit of 2 of the average value After 5 seconds the average value is deleted and a new average value building starts The Keep Time function stops if a single measurement value lies within the Limit values 6 1 4 Mode CC automatic summation of a moisture quantity during one batch process Simple PLCs are often unable to record moisture measurement values during one batch process with averaging and data storage Furthermore there are applications without a PLC where ac
14. T 16 04 06 03 2 7 4 26 50 50 00 91 00 7 8 10 7 50 7 7 57 d 91 0 16 04 09 11 03 20 26 20 56 00 0 93 3 9 no 91 6 1 0 26 20 50 00 91 00 3 750 7 44 7 0 0 910 26 20 550 00 1 00 5 744 744 7 5 90 0 2620 MO 91 07 3 3 75 24 75 91 0 26 20 50 00 1 14 3 2 74 amp M 7 3 91 0 26 20 56 00 1 14 E 57 7 51 7 51 91 0 9 0 26 20 50 00 91 21 3 5 7581 7580 7 910 26 20 50 00 1 21 223 7 53 TM 7 01 5 9 0 2 0 26 00 50 00 91 21 3 791 amp 0 75 HAO 92 91 0 11 09 2014 7 8 26 00 50 00 1 14 3 75i 1 0 11203 2014 7 5 26 00 50 00 Fite 4 9 7 7 91 0 114 2 50 00 1 07 3 St 2 0 1148 2 5 00 90 93 3 23 7 51 A 7 51 91 0 L 5 50 00 7 i AS 7 5 5 91 0 16 03 51 146 2 7 5 5 00 3 6 751 7 51 91 0 16 03 50 11 022 7 5 50 00 7 7 06 I 7 o 9L6 16 03 49 0 00 91 2 3 Ma 29 1 0 gt 92 0 16 03 48 11 08 7 57 26 00 50 00 9 3 7 96 E 7 45 92 0 0 mo 16 03 47 5 50 00 j 5 s 7 9 1 0 1 0 16 03 46 1t 7 5 25 70 50 00 9t 3 745 2 9 7 52 752 MO 82 0 1 0 16 09 45 11 032 7 5 7 50 06 3 16 03 44 11 082 7 5 50 00 16 03 43 7 5 52 00 6 03 42 1140 2014 1 52 25 7 om 6 03 45 11 03 2014 25 50 50 00 16 03 40 2014 2 50 00 16 03 39 10403 2014 7 50 00 Following measurement values are displayed on the screen MoistAve Moisture Value in 96 Average MatTemp Temperature EC TRIME Radar based Conductivity EC TRIME in dS m or mS cm TDRAve TDR Signal Level for special applications DeltaCount Number of single measurements which are used f
15. a PC The operating mode depends on the application like the moisture measurement under a silo flap inside a dryer or mixer or on aconveyor belt The SONO probe can be adapted via the SONO VIEW to the appropriate operating mode like cyclic measurement averaging filtering cumulating and other powerful operating parameters Furthermore it is possible to select a calibration curve inside a SONO probe with zero offset setting All configuration parameters are stored in a non volatile memory inside the SONO probe This ensures that the analog output e g 4 20mA of the SONO probe which could be connected in parallel to a PLC responds directly to the setted configuration parameters B Configuration via the SM USB The SONO probe is connected via the SM USB and the RS485 interface to a PC With help of the software tool SONO CONFIG it is possible to configurate SONO probes to an appropriate operating mode The operating mode depends on the application like the moisture measurement under a silo flap inside a mixer or on a conveyor belt The SONO probe can be adapted to the appropriate operating mode like cyclic measurement averaging filtering cumulating and other powerful operating parameters Furthermore it is possible to select a calibration curve inside a SONO probe with zero offset setting All configuration parameters are stored in a non volatile memory inside the SONO probe So the analog output e g 4 20mA of the SONO probe which could be c
16. adjustable For the analogue outputs 1 and 2 there are thus two adjustable options Analog Output two possible selections 0 20mA 4 20mA Output Channel 1 and 2 three possible selections 1 Moist Temp Analogue output 1 for moisture output 2 for temperature For analogue output 1 and 2 the moisture dynamic range and temperature dynamic range can be variably adjusted The moisture dynamic range should not exceed 100 Moisture Range Temp Range Maximum e g 50 for maize Set in Maximum 70 C Minimum 0 Minimum 0 C 1 2 5 The serial RS485 and IMP Bus interface TRIME GWs is equipped with a standard RS485 as well as the IMP Bus interface to set and readout individual parameters or measurement values An easy to implement data transfer protocol enables the connection of several sensors probes at the RS485 Interface In addition the TRIME GWSs can be directly connected via the modul SM USB to the USB port of a PC in order to adjust individual measuring parameters or conduct calibrations Please consider The initial default setting of the serial interface is pre setted for the IMP Bus To operate with the RS485 inside the TRIME GWs it is necessary to switch and activate the RS485 interface with help of the modul SM USB In the download area of IMKO s homepage www imko de we publish the transmission protocol of TRIME GWs 1 2 6 The IMP Bus as a user friendly network system With external power supply on site for th
17. asure Mode amp Parameters Default Cycle Mode E Cyclic SetDefault m Measure Mode amp Parameters Actual Cycle Mode E Cyclic Average Mode of Mode C CACyclicAverage v r Select Bus Kalman with Boost lo Yes C IMP amp RS5485 Offset with Moist amp ve 10 IMP Average Parameters Average Timels C RS485 Filter Upper Limit Offset Filter Lower Limit Offset Upper Limit Keep Time Lower Limit Keep Time Moisture Threshold 1 No Material Delay s i Boost Offset Weight Invalid Measure Count Set 7 1 3 Analogue outputs of the SONO probe In the menu Config and the window Analog Output the analogue outputs of the SONO probe can be configured see Chapter Analogue outputs Analog Output r Output Current e 0 20mA C 4 20m C 20 0m C 20 4m Dutput Channels Moist Temp Moist Conduct Moist Temp Conduct Moisture Range Temperature Range EC Trime mS cm Maximum 25 Set Maximum 100 Set C 020 050 o Set Minimum Minimum jo Set Simulate Close IMKO y 36 44 7 1 4 Selection of the individual Calibration Curves In the menu Calibration and the window Material Property Calibration the calibration curves CAL1 to Cal15 which are stored in 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
18. be 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 TRIME GWSs can be set Parameter in mode CC Function Moisture Threshold The accumulation of moisture values starts above the in moisture Moisture Threshold and the analogue signal is Standard Setting 1 output The accumulation pauses ifthe moisture level Setting Range 1 20 is below the threshold value No Material Delay The accumulation stopps if the moisture value is below in seconds the moisture threshold The TRIME GWs starts again Standard Setting 5 in a new batch with a new accumulation after the time Setting Range 1 20 span of the No Material Delay is exceeded The first batch process stops The The last freezed summerized and SONO probe recognizes that the averaged moisture value is freezed measurement value is below the at the analogue output until the No moisture threshold of 195 and the Material Delay time of e g 5 probe stops automatically with the seconds has expired and a new z summation yellow curve batch process starts o Short interruptions AN j 3 were bridged 5 4 A i j y ro Characteristic ol moisture curvo in sand adjustable i No Material Detay I e g 5seconds i Adiustabin Motaturs 196 ERR Time Start of first batch process The Start of second batch
19. calibration curve Cal x depending on grain type and possibly to a zero offset depending on installation place 3 Start up the dryer for the trial run extract reference samples continuously approx every half hour and enter the reading together with the switch position in the adjustment protocol 4 Determine the difference between the target and the actual value and if necessary adjust the offset of the selected calibration curve 5 Repeat this procedure for different grain types 5 2 Adjustments for initial operation The term adjustment refers in this case to the correct setting of the calibration curve and zero offset depending on grain type and installation place where an absolute moisture value with an accuracy of 0 3 is important The TRIME GWSs can only be adjusted when installed in the plant as the location and the bulk density of the grain have a significant influence on moisture measurement Adjustment must be carried out separately for every dried product Moisture measurement is dependent on the following parameters Location e g metallic objects within the field of measurement Bulk density of the grain Type of grain product As soon as one of these parameters changes another calibration curve and adjustment must be chosen If all possible grain types are adjusted it is only necessary to select the right calibration curve when changing the grain type in the plant 5 2 1 Adjustment for plants with sev
20. contact with grain hollow spaces cannot occur in the direct vicinity of the probe prongs at least 5 cm from the prongs the prongs are in the stream of exhaust outlet air The temperature compensation fails in the inlet heated air zone metallic objects e g channelling panels in dryers are at least 5 cm from the prongs Measurement anomalies caused by metallic objects can be eliminated by offset correction see following schematic diagram no temperatures above 120 C occur In continuous flow dryers the best place for optimum regulation is at the beginning of the drying zone Regulation can of course be further improved by installing additional probes in the drying zone The final moisture content at the end of the drying process can be best monitored when a probe is fitted at the discharge point as well IMKO 16 44 Exhaust ventilation TRIME GR roof grain flow grain flow amp A schematic diagram of a roof dryer exhaust side with a fitted probe The elliptical area represents the measuring range of the GR probe The field of measurement diminishes the greater the distance from the probe Nevertheless the measurement range can extend into the area of the ventilation roofs where there is no grain This means that the reading includes a proportion of air in the measurement volume and thus the resultant relative water content is too low This constant location specific offset can be com
21. cted without TC because the temperature sensor at the rod tip of the GR probe measures most of the time the air temperature not the grain temperature which would lead to measurement failures TRIME GWs can be easily installed in the heating zone with the pre setted parameters It measures moisture values with an accuracy of 0 3 If TRIME GWsSs is installed at the discharge hopper it is necessary to make a precise adjustment for every selected calibration curve The following charts Cal 1 Cal15 show different selectable calibration curves which are stored inside the TRIME GWs Plotted is on the y axis the gravimetric moisture MoistAve and on the x axis depending on the calibration curve the associated radar time tpAve in picoseconds With the software SONO CONFIG the radar time tpAve is shown on the screen parallel to the moisture value MoistAve see Quick Guide for the Software SONO CONFIG IMKO MECROMCOULTECHNIE 21 44 5 3 Calibration Curves Cal1 to Cal15 di yamyoy 2 09 J1 pw efos X31suuo OJOS away uaunjquauuos uajeesjo pun sdey 2 09 JL PW 35139 AL QUYO 315135 2 09 X1 pw uasz0y S se uzam 313uuo ua8380u S STEN usziaM uonesuaduioxy4nje18duia suyo pun pw usA4n 14elaqi ey 0001 0007 0004 IMKOy 22 44 Calibration Recommended Bulk Application Curve for grain type density of grai
22. cumulated moisture values of one batch process should be displayed to the operating staff for a longer time Previously available microwave moisture probes on the market show three disadvantages 1 Such microwave probes need a switching signal from a PLC for starting the averaging of the probe This increases the cabling effort 2 Time delays can occur during the summation time with a trigger signal which leads to measurement errors This is particularly disadvantageous for small batches recipe errors can occur 3 Material gaps during one batch process will lead to zero measurement values which falsify the accumulated measurement value considerably recipe errors can occur Unlike current microwave probes TRIME GWs 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 complete batch process The summation is only working if material fits at the probe Due to precise moisture measurement also in the lower moisture range TRIME GWs can record accumulate and store moisture values during a complete batch process without an external switching or trigger signal The TRIME GWS freezes the analogue signal as long as a new batch process starts So the PLC has time enough to read in the freezed moisture value of the batch For applications without a PLC the freezed signal of the TRIME GWs can be used for displaying the moi
23. e SONO probes a simple 2 wire cable can be used for the networking By use of 4 wire cables several probes can be also supplied with power Standard RS485 interfaces cause very often problems They are not galvanically isolated and therefore raises the danger of mass grindings or interferences which can lead to considerably security problems An RS485 network needs shielded and twisted pair cables especially for long distances Depending on the topology of the network it is necessary to place 100Ohm termination resistors at sensitive locations In practice this means considerable specialist effort and insurmountable problems The robust IMP Bus ensures security SONO probes have in parallel to the standard RS485 interface the robust IMP Bus which is galvanically isolated which means increased safety The serial data line is isolated from the probe s power supply and the complete sensor network is therefore independent from single ground potentials and different grid phases Furthermore the IMP Bus transmit its data packets not as voltage signals but rather as current signals which also works at already existing longer lines A special shielded cable is not necessary and also stub lines are no problem 1 2 7 Error Reports and Error Messages TRIME GWs is very fault tolerant This enables failure free operation Error messages can be recalled via the serial interface IMKO MEROMCOULTECHNI Y GB 7 44 2 Connectivity to TRIME GWs EDLY
24. ed The first measurement values e g due to dripping water will be rejected IMKO y 29 44 6 1 2 Average Time in the measurement mode CA and CF TRIME GWs establishes every 200 milliseconds a new single measurement value which is incorporated into the continual averaging and issues the respective average value in this timing cycle at the analogue output The averaging time therefore accords to the memory of the TRIME GWs The longer this time is selected the more inert is the reaction rate if differently moist material passes the probe A longer averaging time results in a more stable measurement value This should in particular be taken into consideration if the TRIME GWSs is deployed in different applications in order to compensate measurement value variations due to differently moist materials At the point of time of delivery the Average Time is set to 4 seconds This value has proven itself to be useful for many types of applications At applications which require a faster reaction rate a smaller value can be set Should the display be too unstable it is recommended to select a higher value 6 1 3 Filtering at material gaps in mode CA and CF A TRIME GWs is able to identify if temporarily no or less material is at the probe head and can filter out such inaccurate measurement values Filter Lower Limit Particular attention should be directed at those time periods in which the measurement area of the probe is only
25. ed directly into a SPC via two analogue outputs 0 4 20 mA or recalled via a serial RS485 interface 1 1 2 TRIME compared to other Measuring Methods In contrary to conventional capacitive or microwave measuring methods the TRIME technology Time Domain Reflectometry with Intelligent Micromodule Elements offers precise measurement results which means more reliability at the production TRIME TDR technology operates in the ideal frequency range between 600MHz and 1 2 GHz Capacitive measuring methods 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 the temperature and the mineral contents of the measured material Microwave measuring systems operate with high frequencies gt 2GHz At these frequencies nonlinearities are generated which require very complex compensation For this reason microwave measuring methods are more sensitive in regard to temperature variation The modular TRIME technology enables a manifold of special applications without much effort due to the fact that it can be variably adjusted to many applications 1 1 3 Areas of Application with TRIME GWs and the GR Probe The TRIME GWs with the 2 rod GR probe is suited for measuring in different materials directly inside a grain dryer The GR rod probe requires a good flowability of the measured material in order to ensure t
26. eous moisture distribution in the material surrounding the sensor head The delivery scope of TRIME GWs includes suited parameters for the averaging period and a universally applicable filter function deployable for currently usual applications The time for the average value accumulation as well as various filter functions can be adjusted for special applications 1 2 2 Temperature Measurement A temperature sensor is installed in the rod tip of the GR probe which establishes the measurement of the material temperature The temperature can optionally be issued at the analogue output 2 1 2 3 Temperature compensation when working at high temperatures Because the TRIME GWs measurement transformer works in other temperature ranges as the GR probe inside the dryer it is necessary to compensate the electronic separately from the GR probe TRIME GWs offers two possibilities for temperature compensation A Temperature compensation of the internal SONO electronic Despite the TRIME GWs electronic shows a generally low temperature drift it is necessary to compensate a temperature drift in applications for measuring moisture inside a grain dryer With this method of temperature compensation a possible temperature drift of the SONO electronic can be compensated For standard applications in grain drying the compensation parameter is pre setted to TempComp 0 2 For special applications it could be necessary to adjust this parameter But it is to conside
27. eral TRIME GWs When the plant is only equipped with one TRIME GWs adjustments are made for the installation related influences at the same time as those for the grain product Exactly the same procedure can be followed as described in the next sections In plants with several probes it may also be necessary to correct the deviations between the TRIME GWs themselves This is good policy only when all the TRIME GWs are to give an absolute 19 44 MKO y measurement If the installation related constant deviation of 1 2 presents no problem it is sufficient to make an adjustment using the final control probe e g the TRIME GWs at the discharge point To carry out the extended adjustment for all TRIME GWs three steps must be taken 1 Firstly the TRIME GWSs which is most important for the drying operation must be selected via the SONO VIEW or via the module SM USB The probe at the discharge point for example is a potential candidate Whichever one TRIME GWS is chosen it must be possible to extract samples directly at the point where this probe is located 2 This TRIME GWs must be adjusted Simultaneously the measurement data for all the other instruments must be gathered too The samples for this should be extracted from as near to the probe as possible 3 Using the differences between the readings of each of the instruments the TRIME GWs can be adjusted with help of the SONO VIEW or via the module SM USB and a connected PC
28. ered grain On the other it can assist or automate the grain drying process The conditions for installation depend heavily on the characteristics of the plant The optimum location must be sought for each case individually The following guidelines will be of assistance The appropriate position of the calibration curve must be selected depending on the grain in question and its density IMKO 13 44 3 1 1 Monitoring during grain delivery The TRIME GWs offers possibilities of continually measuring the moisture of the grain while it is being delivered This provides a moisture profile that can be recorded by a PC or a line printer The display unit SONO VIEW can be connected as well for showing the values at any given moment Legal regulations prevent TRIME GWSs being used instead of instruments that have been officially calibrated and authorised for goods traffic The single measurements usually based on very small samples from such instruments are supplemented by the continual considerably more representative range of measurements taken by the TRIME GWs This results in better quality control and enhances transparency 3 1 2 Manual control of the grain dryer In the case of manual or semi automatic dryer control systems using the TRIME GWs in conjunction with the display unit SONO VIEW can significantly improve drying results 3 1 3 Automatic control of the grain dryer This involves connecting the TRIME GWs to the controller s actual
29. et the first reference value air the probe must be positioned in such a way that within a field of at least 15 cm only air surrounds the probe rods Note It is by no means sufficient to place the probe on a table or something similar The probe can either be laid on the table so that the probe rods are fully overhanging the edge and the first 2 8 cm of the probe body are overhanging it as well Alternatively hold the it your hand at the very rear of the probe body to ensure that the hand does not invade the field of measurement which also registers the front 3 4 cm of the probe body 2 To obtain the second reference value dry glass beads set the probe vertically into the vessel of dry glass beads up to the lower rim of the probe body Make sure that the probe lead exerts no noticeable load on the probe when doing so in order to prevent creating an air space between the probe rods and glass beads Tap the outside of the vessel lightly to ensure that the beads sit tightly around the rods The glass bead vessel and the probe themselves must not be in contact with any metal objects e g a metal table top Note Use only the glass beads we supply with the calibration set as otherwise completely different results may be obtained if others are used The glass beads must be dry and clean and at room temperature 18 24 C The probe too must be at room temperature as otherwise condensation may form on the probe rods and thereby serious dist
30. grain types are adjusted it is only necessary to select the right calibration curve when changing the grain type in the plant 5 2 3 Calibration curves with or without temperature compensation Installation of TRIME GWs at the beginning of the heating zone Depending on grain type like maize wheat or rye a suitable calibration curve has to be adjusted inside the TRIME GWs At this installation place not the absolute moisture stands in the foreground Instead it is more important to measure relative moisture together with an adjusted temperature compensation for the probe so that the probe measure precise independent on temperature values The adjusted calibration curve inside the TRIME GWs has to be select with TC with Temperature compensation see chapter Calibration MKO yt 20 44 curves Calibration curves with TC use the temperature sensor inside the rod tip of the GR probe for compensation of temperature changes in the heating zone Installation at the discharge hopper For displaying correct moisture values it is to taken into account that a suitable calibration curve is to adjust depending on grain type A zero offset of TRIME GWs could be also necessary due to installation place If the outfeed is continually and the GR probe is continually covered with grain then the calibration curve has to be selected with TC Temperature Compensation However if the outfeed is batch by batch then the calibration curve has to be sele
31. hat the material lies close to the rods when the material is flowing For applications with badly flowing materials the surface probes SONO GS1 or SONO VARIO LD could be a better solution The GR probe head consists of PEEK The special 2 meter long radar cable is made of PTFA The GR probe and the cable withstands temperatures up to 130 Celsius But the temperature range for the TRIME GWs measurement transformer should not be higher than 80 C MKO 5 44 1 2 Mode of Operation 1 2 1 Measurement value collection with pre check average value and filtering TRIME GWs measures internally at a rate of 100 measurements per seconds and issues the measurement value at a cycle time of up to 200 milliseconds at the analogue output In these 200 milliseconds a probe internal pre check of the moisture values is already carried out i e only plausible and physically pre averaged measurement values are be used for the further data processing This increases the reliability for the recording of the measured values to a downstream control system significantly In the Measurement Mode CS Cyclic Successive an average value is not accumulated and the cycle time here is 200 milliseconds In the Measurement Mode CA and CF Average not the momentarily measured individual values are directly issued but an average value is accumulated via a variable number of measurements in order to filter out temporary variations These variations can be caused by inhomogen
32. ic material see next page Step 4 The coefficients m1 0 0581 and mO 4 05 see next page for the calibration curve Cal14 can be entered directly by hand and are stored in the probe by pressing the button Set The name of the calibration curve can also be entered by hand The selected calibration curve e g Cal14 which is activated after switching on the probes power supply will be adjusted with the button Set Default Calib Attention Use dot as separator 0 0581 not comma 5 4 1 Nonlinear calibration curves TRIME GWs can also work with non linear calibration curves with polynomials up to 5th grade Therefore it is necessary to calibrate with 4 8 different calibration points To calculate nonlinear coefficients for polynomials up to 5th grade it is possible to use any mathematical program like MATLAB for finding a best possible nonlinear calibration curve with suitable coefficient parameters mO to m5 which can be entered into the probe with help of SONO CONFIG The following diagram shows a sample calculation for a linear calibration curve with the coefficients m0 and m1 for a specific material 4 05 en 26 44 Pr a Wi 2 tp Ave Radartime in Picoseconds The coefficient m is calculated from the slope of the curve Cal14 Delta y 25 0 Coefficient m 0 0581 Deltax 500 70 The coefficient mg is the offset on the y axis at x 0 Coefficient mg Y2 m4 X2 25 0 0581 500
33. ill find a ready to use form for entering the measurements Where continuous flow dryers are concerned at least 10 to 20 measurements should be available in the range between the minimum and maximum permissible moisture content after drying The measurements from the still very damp discharged grain during the charge phase should be noted but not used for the purposes of adjustment For rotary dryers only the measurements take towards the end of the drying process are of relevance to adjustment Here too at least 10 measurements are to have been documented Density and moisture distribution effects in the grain can cause too low measurements during the first one to two hours These values should not be used for the adjustment 5 3 3 Setting the calibration curve adjustment The appropriate setting of the calibration curve should be determined on the adjustment protocol Only the measurements near the target moisture should be taken into account IMKOy 5 3 4 An example for wheat 24 44 Note TRIME GWs is pre installed to calibration curve Cal2 for maize A continuous flow dryer is to be set for wheat A TRIME GWs has been installed whose probe is located in the direct vicinity of the discharge point To start with the calibration curve is set to Cal for wheat The dryer is started up and measurement recording commences It is not until the moisture at the discharge point falls below 18 that the measurements become of real i
34. libration curve adjustment sssssssseeenen 23 5 3 4 An example for wheat assawe sang sane anas ahaaa ag SANG SARANA NG NANA ON A ANAA ANG EANNA AAN NANANG nennt rennen ANAA 24 5 4 Creating a linear Calibration Curve for a specific Material aaa anana anan anan anane 25 5 4 41 Nonlinear calibration curves unnusmnnnsnenennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnn ernennen 25 Configuration of the Measure Mode eausnsannnnannnnnnnnnnnnnnnnnnnnnnnnunnannnnnnnnnannnnnannnnnnnnnannnnnannnnnn 27 6 1 1 Operation Mode CA and CF at non continuous Material Flow 27 6 1 2 Average Time in the measurement mode CA and CF 29 6 1 3 Filtering at material gaps in mode CA and CF sse 29 6 1 4 Mode CC automatic summation of a moisture quantity during one batch process 30 6 2 Connection of the RS485 to the SM USB Module sse 32 Quick Guide for the Commissioning Software SONO CONFIG s 34 7 1 1 Scan of connected SONO probes on the serial interface 34 7 1 2 Configuration of Measure Mode and serial SONO interface sssss 35 7 1 3 Analogue outputs of the SONO probe uuursnseersnnnnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnn mann 35 7 1 4 Selection of the individual Calibration Curves see 36 7 1 5 Test run in the respective Measurement Mode
35. lues where necessary TRIME GWs calculates the correction values required for this offset and slope itself and stored in non volatile form in the instrument i e they remain intact even when the power supply is switched off Air and dry glass beads are used as reference media The procedure is carried out using the GW basis calibration set available as an optional extra and comprising dry glass beads With a Basic Balancing two reference calibration measurements are to be carried out with known set points RefValues For the reference media different calibration materials are used dependent on the TRIME GWSs type For the GR probe air and dry glass beads are used The dry glass beads and probe required for the basis calibration must themselves be around room temperature 18 24 C The reference values listed below apply for the appropriate calibration media Table 10 Calibration Reference value Permissible tolerance for test medium before material calibration measurements and offset correction pseudo transit time Air 11 0 10 596 Dry glass beads 12 7 96 10 296 Attention Before performing a Basic Balancing it must be ensured that the TRIME GWs was set to Measure Mode A If this is not assured the probe returns zero values After a Basic Balancing the TRIME GWs has to be set to Measure Mode C again because otherwise the probe would not measure continuously In
36. n type Call Maize without TC 0 75 Installation at the discharge hopper The outfeed is TC batch by batch and it is not secured that the GR Temperature probe is continually covered with grain Compensation Cal2 Maize with TC 0 75 A Installation at the beginning of the heating zone where the GR probe is continually covered with grain pre setted after delivery B Installation at the discharge hopper The outfeed is continually and the GR probe is continually covered with grain Cal9 ape and oilseeds 0 65 No temperature compensation necessary without TC Wheat with TC 0 75 Cal10 Sunflower seeds 0 30 No temperature compensation necessary without TC CaH 1 Soya without TC 0 65 Special calibration curve Cal2 Soya with TC 0 65 Special calibration curve Cal13 Cal14 Cal15 1 10 tp Radar time and reference calibration for test 5 3 1 Selection and application of the reference method In order to adjust the TRIME GWs for precise absolute measurements at the discharge an off line measurement method must be available to serve as a reference It must provide a high degree of absolute precision and function with large sample volumes Most commercially available grain moisture measuring systems leave a great deal to be desired regarding both of these aspects The TRIME GWs measures the average value continuously over a volume of 1 2 litres In moving grain the measurement volume acquired in the averagi
37. ng time increases many times over It therefore requires a lot of time and effort to check this very representative value with a reference instrument that shows a sample quantity in the millilitre range There are also factors that can affect measurement such as temperature and conductivity that can be ignored when using TRIME GWSs due to the TDR radar method of measurement 23 44 MKO y Thus the most suitable method for determining the exact moisture of the grain is to use a drying oven Here too the sample volume is of decisive importance and should be at 0 5 litres When extracting the sample and taking reference measurements the following must be observed The samples for the reference measurements should be extracted from as close as possible to the probe The distribution of moisture in the grain dryer can vary greatly When using a calibrated instrument with small sample volumes several samples must be extracted and their arithmetical average calculated Please note that calibrated instruments can also produce incorrect measurements that can lie between 2 in the lower and even 5 in the upper moisture range After the dryer or the silo has been filled the TRIME GWs moisture value must show a valid reading 5 3 2 Recording measurement data in trial operation The selection of the calibration curve can only be adjusted in real operation or in realistic trial operation The following description is based on the implementa
38. nt transparent is grounded at the sensor The plant must be properly grounded 2 2 3 Analogue Output 0 10V with a Shunt Resistor There are PLC s which have no current inputs 0 20mA but 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 should be placed at the end of the line resp at the input of the PLC Following drawing shows the circuit principle Please note The analogue output of TRIME GWs must be set to 0 to 20mA SONO Probe Current signal 0 20mA 500 Oh Analog Positive j Analog Return Line IMKO NEROMODLLTEO RAR Y GNEH 1 2 44 3 Installation in Practice In line measurement of grain moisture during the drying process at the beginning of the heating zone TRIME GWs TRIME GWs TRIME GWs In line measurement of grain moisture atthe discharge Continuous monitoring and recording during grain delivery with protocol print out log issue SONO VIEW Integration into a control room or inside a distribution cabinet Networking with a PC via or USB port for processing 0 4 20mA PLC or the acquired data in a sorte Distribution grain moisture moisture Cabinet management system There is a variety of applications for the TRIME GWs On the one hand it can be used for monitoring the moisture of deliv
39. nterest and can be used for the adjustment process Analysis can start as soon as about 10 to 20 measurements are available in the range from 12 to 18 wm em NANA wm TEE wm II 9 we m AN m sw 8 m w 7 en 0m 7 er wm 7 13 9 14 0 13 3 13 5 NIN IMKO y 25 44 5 4 Creating a linear Calibration Curve for a specific Material The calibration curves Call to Cal15 can be easily created or adapted for specific materials with the help of SONO CONFIG Therefore two measurement points need to be identified with the probe Point P1 at dried material and point P2 at moist material where the points P1 and P2 should be far enough apart to get a best possible calibration curve The moisture content of the material at point P1 and P2 can be determined with laboratory measurement methods oven drying It is to consider that sufficient material is measured to get a representative value Under the menu Calibration and the window Material Property Calibration the calibration curves CAL1 to Cal15 which are stored in the TRIME GWs are loaded and displayed on the screen takes max 1 minute With the mouse pointer individual calibration curves can be tested with the TRIME GWs by activating the button Set Active Calib The measurement of the moisture value MoistAve with the associated radar time tpAve at point P1 and P2 is started using the program SONO CONFIG in
40. oning Software SONO CONFIG With SONO CONFIG it is possible to make process related adjustments of individual parameters of the SONO probe Furthermore the measurement values of the SONO probe can be read from the probe via the serial 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 Bus Configuration 4 x General E o Seial Pot Exit Bus Help DNE 7 1 1 Scan of connected SONO probes on the serial interface In the menu Bus and the window Scan Probes the serial bus can be scanned for attached SONO probes takes max 30 seconds SONO CONFIG reports one or more connected and founded SONO probes with its serial number in the window Probe List One SONO probe can be selected by klicking Probe List E x Exit Config Calibration Test No SeraNo ResetBaudrate ProbeName HwVersion FwVersion UE EUER ER IMKO 35 44 MECROMCOUTECHNKE 7 1 2 Configuration of Measure Mode and serial SONO interface In Probe List with Config and Measure Mode amp Parameters the SONO probe can be adjusted to the desired measure mode CA CF CS CK CC or CH see Chapter Configuration Measure Mode Furthermore the serial interface inside the SONO probe can be selected to IMP Bus RS485 or both interfaces Due to very robust behavior it is recommended to select the IMP Bus Me
41. onnected in parallel to a PLC responds directly to the configuration parameters IMKO A 9 44 MICROMCOULTECHNIE Y GNEH 2 2 Instrumentation TRIME GWs with GR Probe and SONO VIEW dj TRIME GWs The moisture display unit SONO VIEW can be connected via the IMP Bus IMKO MEROMCOULTECHNIA Y GBR 10 44 2 2 1 Electrical connection diagram with analogue outputs and SONO VIEW TRIME GWs TRIME GWs Installation in Installation at the heating zone the discharge 24V DC Power Suppl l ii E woe jj E _wancu JI 5i o J we U ee GE HE HE gr g g HE HE 0 4 20mA PLC SONO VIEW Analogue input or Distribution Cabinet Installation in the control room or inside the distribution cabinet 2 2 2 Connection Plug and Plug Pinning TRIME GWs is supplied with a 10 pole MIL flange plug Connection to further TRIME GWs 11 44 Assignment of the 10 pole MIL Plug and sensor cable connections IMKO y4 Plug PIN Sensor Connections Lead Colour Lead Colour A 7V 24V Power Supply red red B 0V Power Supply Blue Blue D 1 Analogue Positive Moisture Green Green E 1 Analogue Return Line Moisture yellow yellow F RS485 A white white G RS485 B brown brown C rt IMP Bus grey grey pink J com IMP Bus blue red blue red K 2 Analogue Positive Pink Pink E 2 Analogue Return Line Grey Grey H Screen transpare
42. or the averaging tpAve Radar time average which corresponds to the respective moisture value By clicking Save the recorded data is saved in a text file in the following path XSONO CONFIG exe Pfad MD Dateiname The name of the text file Statis SN yyyymmddHHMMSS sts is assigned automatically with the serial number of the probe SN and date and time The data in the text file can be evaluated with Windows EXCEL 7 1 6 Measure run in Datalogger Operation In the menu Measure it is possible to aquire and store measurement data from several SONO probes with variable and longer cycle rates in a datalogger operation e g to store measurement data during a long term drying cycle IMKO 38 44 7 1 7 Basic Balancing in air and dry glass beads System components directly involved in the measuring process probe probe lead transducer are aligned with each another by means of the basis calibration Manufacturing tolerances influencing the measurement reading are compensated for New instruments are supplied with the basis calibration already performed The process must be repeated if one of the system components mentioned above has been repaired or replaced Calibration at the factory is not possible unless the unit has been sent in with all components stated above Basic calibration involves taking two reference measurements in media of a known value reference value correcting any divergence of the unit from these reference va
43. ort the results The diameter of the vessel used must be at least 18 20 cm where probe rods are immersed completely at least 3 4 cm must remain between the tips of the rods and the bottom of the vessel MKO y 40 44 8 Technical Data TRIME GWs Power supply 9V 24V DC Power consumption Dependent on the power supply 12V to 24V DC 150 200mA consumption Measuring range 5 45 by weight b w on a wet mass basis depends on the used material Standard deviation range 5 20 96 b w 0 6 96 b w range 20 45 Yo b w 1 b w depends on the used material Repeatability 0 3 96 b w depends on the used material Measurement transformer 10 70 C extended range on request temperature range Probe temperature range 0 127 C temporarily up to 150 C Measuring period interval floating average with adjustable time interval RS485 and IMP Bus Analogue output 0 4 20 mA 0 100 gravimetric moisture max load 500 Q Cable length of probe Standard 2 5 meter Housing protection Aluminium diecasting IP65 GR Probe protection IP68 watertight casting Securing Nut M70x2 Diameter 8mm TRIME GWs Measurement Transformer Dimensions 175x80x58mm Alu Flange 120x120x10mm IMKO 41 44 NECROMOOLLTE a P GNEH NOTICE IMKO MEROMCOUTECHNIE Y GVB 42 44 NOTICE IMKO A 43 44 NECROMOOLLTEC aK P GNEH NOTICE D s e cte Mn d SS se ad ea ae o aid EST KN E
44. partially filled with material for a longer time i e the material sand temporarily no longer completely covers the probe head During these periods Lower Limit Keep Time the probe would establish a value that is 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 blades or wipers can lead to the establishment of too high measurement values Filter Upper Limit The Upper Limit Keep Time sets the maximum possible time where the probe would determine inaccurate too high measurement values Using a complex algorithm TRIME GWs are able to filter out such faulty individual measurement values The standard settings in the Measurement Mode CA and CF for the filter functions depicted in the following have proven themselves to be useful for many applications and should only be altered for special applications It is appropriate to bridge material gaps in mode CA with Upper and Lower Limit Offsets and Keep Time For example the Lower Limit Offset could be adjusted with 296 with a Lower Limit Keep Time of 5 seconds If the TRIME GWs determines a moisture value which is 2 below the average moisture value with e g 8 than the average moisture value will be frozen at this value during the Lower Limit Keep Time of 5 seconds In this way the material gap can be bridged This powerful function inside the TR
45. pensated for by a zero offset correction Inthe case of rotary dryers and hatch points the probe should be fitted where the grain conveying speed is lowest We recommend installation in the reservoir or close to the discharge point Probe installation can be carried out in the following steps 1 Drill a 72 mm diameter hole in the container wall or cut out a square hole using an angle grinder 2 Secure the aluminium flange to the wall with four M5 screws Cut M5 threads into the wall 3 Screw the probe into the flange as far as possible 4 Use the locknut to secure the probe in such a way that the prongs are set slight past vertical 10 to 159 d Important Under no circumstances is the probe to be connected to the instrument while being installed as the electronics may be destroyed otherwise 4 1 1 Exchange of a GR Probe In the event of a mechanical defect it could be necessary to exchange the GR probe After connecting a new GR probe it is necessary to make a basic balancing with the new GR probe in air see chapter Basic balancing This basic balancing can be made via the modul SM USB and the software tool SONO CONFIG or directly online via the module SONO VIEW IMKO yt 17 44 4 2 Installation of measurement transformer TRIME GWs The TRIME GWs must be installed in the vicinity of the probe as the length of the probe cable is only 2 5 m for technical reasons The temperature of the surrounding
46. r that it is necessary to make a Basic Balancing of the TRIME GWs in air and dry glass beads if the parameter TempComp is changed to another value The parameter TempComp can be changed with the software tool SONO CONFIG in the menu Calibration and the window TemperatureCompensation B Temperature compensation for the measured material Water and special materials like maize wheat and others show a dependency of the dielectric permittivity when using TRIME GWs at high temperature ranges The dielectric permittivity is the raw parameter for measuring water content with TRIME GWs If special materials show this temperature drift than it could be necessary to use a more elaborate temperature compensation TRIME GWs offers the possibility to set special temperature compensation parameters for every calibration curve Cal1 of Cal15 see chapter Selection of the individual calibration curve 1 2 4 Analogue Outputs The measurement values are issued as a current signal via the analogue output With the help of the service program SONO CONFIG the TRIME GWs can be set to the two versions 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 50 For a 0 10V DC voltage output a 500R resistor can be installed in order to reach a 0 10V output MKO y 6 44 Analogue Output 1 Moisture in 0 50 variable adjustable Analogue Output 2 Temperature 0 100 C variable
47. rocesses e g in fluidized bed dryers conveyor belts etc Mode CK Cyclic Kalman Filter Standard setting for SONO MIX for use in fresh concrete mixer with continual average value with special dynamic Kalman filtering and an accuracy of up to 0 1 Mode CC Cyclic Cumulated with automatic summation of a moisture quantity during one batch process e Calibration if completely different materials are deployed Each of these settings will be preserved after shut down of the probe and is therefore stored ona permanent basis 6 1 1 Operation Mode CA and CF at non continuous Material Flow For mode CA and CF the TRIME GWs is supplied ex factory with suited parameters for the averaging time The setting options and special functions of TRIME GWs depicted in this chapter are only rarely required It is necessary to take into consideration that the modification of the settings or the realisation of these special functions may lead to faulty operation of the probe For applications with non continuous material flow there is the option to optimise the control of the measurement process via the adjustable filter values Filter Lower Limit Filter Upper Limit and the time constant No Material Keep Time The continual floating averaging can be set with the parameter Average Time IMKOy Parameters in the Measurement Mode CA CF CC CHand CK Average Time Standard Setting 2 Setting Range 1 20 28 44 Function The time in second
48. s for the generation of the average value can be set with this parameter Filter Upper Limit Offset Standard Setting 20 Setting Range 1 20 With the setting of 20 this parameter must be disabled for Mode CK Too high measurement values generated due to metal wipers or blades are filtered out The offset value in 96 is added to the dynamically calculated upper limit Filter Lower Limit Offset Standard Setting 20 Setting Range 1 20 With the setting of 20 this parameter must be disabled for Mode CK Too low measurement values generated due to insufficient material at the probe head are filtered out The offset value in 96 is subtracted from the dynamically calculated lower limit with the negative sign Upper Limit Keep Time Standard Setting 10 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 Upper Limit failures too high measurement values can be set with this parameter Lower Limit Keep Time Standard Setting 10 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 longer lasting material gaps ie the time in which no material is located on the probe can be bridged Moisture Threshold in moisture Standard Setting 1
49. s independent on temperature values The adjusted calibration curve inside the TRIME GWs has to be select with TC with Temperature compensation see chapter Calibration curves Calibration curves with TC use the temperature sensor inside the rod tip of the GR probe for compensation of temperature changes in the heating zone At very large dryer systems it is recommended to use two TRIME GWs in the heating zone to achieve best possible results Inside the cooling zone An installation here is not recommended due to uneven conditions inside this zone Here an installation is recommended for controlling the final result after drying and cooling For displaying correct moisture values it is to taken into account that a suitable calibration curve is to adjust depending on grain type A zero offset of TRIME GWs could be also necessary due to installation place If the outfeed is continually and the GR probe is continually covered with grain then the calibration curve has to be selected with TC Temperature Compensation However if the outfeed is batch by batch then the calibration curve has to be selected without TC because the temperature sensor at the rod tip of the GR probe measures most of the time the air temperature not the grain temperature which would lead to measurement failures see chapter Calibration Curves IMKO If only one sensor is installed at the discharge hopper and no sensor in the heating zone then it is nece
50. s should however not exceed 80 C ideal outgoing air end external wall of dryer The instrument can be mounted at a suitable point with screws through the two diagonally opposed holes in the casing An aluminium mounting plate is available as an optional extra If the instrument is to be mounted on a surface whose temperature exceeds 80 C it must be fitted using spacing bolts min 8 mm to prevent the direct transfer of heat from the wall to the instrument casing The instrument should not permanently be exposed to direct precipitation although it is specified to IP65 For outdoor usage it should be mounted below a protection roof e g a horizontal mounted plate IMKO 18 44 5 Initial operation and installation 5 1 Adjustment Guidelines for relative Moisture Measurements in the heating Zone Please read the detailed description first and subsequently use these guidelines as a checklist for adjustments 1 Extract samples from as close as possible to the probe 2 Select calibration curve with help of SONO VIEW or via the module SM USB Note TRIME GWs is initially adjusted for the application for grain drying with the calibration curve Cal2 The analogue outputs are adjusted to 4 20mA With this pre adjustment TRIME GWs can be installed direct in the heating zone without further adjustments For operation at the discharge hopper where an absolute moisture value is important TRIME GWs has to be adjusted to a suitable
51. ssary that the feeded wet grain moisture has nearly identical moisture values In this case a control and regulation with a PLC could be possible If the feeded grain shows larger deviations then a precise control is impossible with only one TRIME GWS sensor at the discharge 3 1 5 Best installation conditions for TRIME GWs inside a rotary dryer Recommended is an installation in the funnel where the material is transported again from bottom to top and where it is secured that the GR probe is continually covered with grain IMKOy 15 44 4 The GR Probe Installation The GR probe comprises a cylindrical probe head made of a heat resistant special purpose plastic that has a threaded bore for mounting on silo or housing walls The actual measuring probe consists of two parallel steel prongs that are set into this probe head The area relevant for moisture measurement surrounds the prongs TRIME GR Silo wall Please note GR probes and TRIME GWs measurement transformers must not be exchanged amongst each other Please note the serial number the GR probe and the TRIME GWs measurement transformer must have the same serial number The probe must be fitted in such a way that the prongs protrude into the interior of the dryer or silo Reliable measurements can only be ensured when the prongs are fully immersed in grain Therefore a location for installation must be chosen where the full length of the prongs is covered by and in
52. sture value to a simple 7 segment unit as long as a new batch process starts 31 44 IMKOy With the parameter Moisture Threshold the TRIME GWs can be configured to the start moisture level where the summation starts automatically Due to an automatic recalibration of TRIME GWs it is ensured that the zero point will be precisely controlled The start level could be variably set dependent to the plant Recommended is a level with e g 0 596 to 196 With the parameter No Material Delay a time range can be set where the TRIME GWs is again ready to start a new batch process Are there short material gaps during a batch process which are shorter than the No Material Delay with no material at the probes surface then the TRIME GWs pauses shortly with the summation Is the pause greater as the No Material Delay then the probe is ready to start a new batch process How can the mode CC be used if the TRIME GWs cannot detect the moisture threshold by itself e g if there is constantly material above the probe over a longer time In this case a short interrupt of the probe s power supply e g for about 0 5 seconds with the help of a relay contact of the PLC can restart the TRIME GWs at the beginning of the material transport After this short interrupt the TRIME GWs starts immediately with the summarizing and averaging Please note It should be noted that no material sticks on the probes surface Otherwise the moisture zero point of the pro
53. the menu Calibration and the window Basic Balancing the two set point values of the radar time tp are displayed 1 Reference set point A WE60PS in air the surface of the GR probe head must be dry The first set point can be activated with the mouse pointer by clicking to No 1 By activating the button Do Measurement the TRIME GWs determines the first reference set point in air In the column MeasValues the measured raw value of the radar time t is displayed e g 1532 05 picoseconds 2 Reference set point B BEZP in glass beads The GR probe head has to be covered completely with glass beads The second set point can be activated with the mouse pointer by clicking to No 2 By activating the button Do Measurement the TRIME GWs determines the second reference set point in water In the column MeasValues the measured raw value of the radar time t is displayed 3 By activating the button Calculate Coeffs and Coeffs gt Probe the alignment data is calculated automatically and is stored in the TRIME GWs non volatile With a Test run in Mode A the radar time tp of the TRIME GWs should be now 60ps in air and 145ps in glass beads 39 44 em mm 2 1000 0 100 0 1 0 R Coefficients Calculated lt in File gt lt in Probe gt b 1544 41 b1 1 04735 Do Measurement Calculate Coeffs Coeffs gt Probe Close 7 1 8 Execution of the basic calibration for TRIME GWs 1 To s
54. the sub menu Test and Test in Mode CF see Quick Guide for the Software SONO CONFIG Step 1 The radar pulse time tpAve of the probe is measured with dried material Ideally this takes place during operation of a mixer dryer in order to take into account possible density fluctuations of the material 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 l e 70ps picoseconds of the radar pulse time tpAve corresponds to 096 moisture content of the material But it would be also possible to use a higher point P1 e g 190 7 where a tpAve of 190ps corresponds to a moisture content of 7 The gravimetric moisture content of the material e g 796 has to be determined with laboratory measurement methods oven drying Step 2 The radar pulse time tpAve of the probe is measured with moist material Ideally this also takes place during operation of a mixer dryer Again it is recommended to detect multiple measurement values of tpAve for finding a best average value The result is the second calibration point P2 with X2 Y2 e g 500 25 l e tpAve of 500ps corresponds to 25 moisture content The gravimetric moisture content of the material e g 2596 has to be determined with laboratory measurement methods oven drying Step 3 With the two calibration points P1 and P2 the calibration coefficients mO and m1 can be determined for the specif
55. tion of the TRIME GWs at the discharge in the delivery or in the storage area As a general rule only the moisture range close to the reference input is of significance for trial operation i e when determining the switch position for maize checking should be done at about 15 It is more important that the TRIME GWSs is exactly correct in the lower area of measurement It is of less importance whether TRIME GWs measures 26 instead of 28 in the upper range When extracting a sample or checking the lower reference input e g 1596 a single sample is of course insufficient A single sample possibly even extracted from quite a different point than in the direct vicinity of the probe is not at all representative i e several samples must be taken directly at the probe and averaged At the start of trial operation the suitable calibration curve can be set When all the preparations for extracting samples and measuring them have been made the grain dryer can be started up Now a sample of grain must be taken continuously ideally every 15 minutes The TRIME GWs reading and the selected calibration curve are to be noted simultaneously with every extracted sample This is compared with the appropriate offline determined reference value which is also to be noted As soon as the moisture is near the target moisture the calibration curve should be set to the best possible value which is the nearest to the reference value In the following you w
56. tooth Verbindung COM16 E Standardm figige Seriell ber Bluetooth Verbindung COM17 I Standardm gige Seriell ber Bluetooth Verbindung COM18 E ASB Serial Port COM4 Audio Video und Gamecontroller Bildbearbeitungsger te 6 Bluetooth Funkger te COM x set must be between COM1 COM9 and it should be ensured that 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 clicking on USB Serial Port you can go into the properties menu where you see connection settings with Advanced button the COM port number can be switched to a free number Einenschafllen von USB Serial Port COMA rwertleric Linsioflungen f M Anschhamendellungen Tuba Desi Agren ingen Treiber Dalah Q s UT Fackntgrtfien Reduseren Se de Werte Bis gro Sekunde 3600 Darbi 8 Est hen Sie che Werte f r Pots Keine Supptes t Fhesteueurg Kane meat Abgersar e yita j PlugPlay f r sone Schnittstelle Ermats Wiedeheriielen x Seer Dukun Abbrechen der Konmurdaton weno das Ger t Gagah eh med Event bei unmorhergecehenis Entfernung des Gerd Dam Shien cer Vertineang RIS aktiv setzen bam Abachaten dur Hochtabren des Gerate After changing the COMx port settings SONO CONFIG must be restarted IMKO y 34 44 7 Quick Guide for the Commissi
57. tures ss 5 1 2 4 Analogue Outpuls uisi dann 5 1 2 5 The serial RS485 and IMP Bus interface sssssssssseeeeeee enne 6 1 2 6 The IMP Bus as a user friendly network system sanane anana aana anana nana nane nane 6 1 2 7 Error Reports and Error Messages warasan as jaki NA nawi KANA ASA AAN KANAKA A WANA ANAA NGAEN AA SAWA ANAA nnn 6 Connectivity to TRIME QWS eec saput maae araar pa kakena sabab ae kaaken gina pe eaaa ugi engi aana nuni 7 2 1 1 How to configurate SONO probes to appropriate operating and calibration indici HR 8 2 2 Instrumentation TRIME GWs with GR Probe and SONO VIEW sse 9 2 2 1 Electrical connection diagram with analogue outputs and SONO VIEW 10 2 2 2 Connection Plug and Plug Pinning cccccccceceeeeeeceeeeeeeeeeeeaeeeeaeeseeeeseaeeesaaeeeeneeeeaes 10 2 2 8 Analogue Output 0 10V with a Shunt Resistor ersnsenssnennnnnnnnnnnnnnnnnn nn 11 Installation in Pr ctice nee Een ke 12 3 1 1 Monitoring during grain delivery aassaeansaae anaa anaa anna n anana anana anane nna een 13 3 1 2 Manual control of the grain dryer sasaka aa aa Kan san nang Aka a nai AA KAIN SINA A WADA ABA A na A AGA SANA KNA na 13 3 1 3 Automatic control of the grain dryer asasaran eaaa na NANGKE NANG KAKANG EA KAANANE EN NGANA NENG
58. utton Set Default Calib The calibration name can be entered in the window Calibration Name The coefficients mO to m1 for linear curves and mO to m5 for non linear curves can be entered and adjusted directly by hand with the buttons Set and Save Possible are non linear calibration curves with polynomials up to fifth order m0 m5 Attention Use dot as separator for m0 to m5 not comma IMKO 37 44 ET TET 7 1 5 Test run in the respective Measurement Mode In the menu Test and the window Test in Mode CA or CF the measured moisture values MoistAve Average ofthe SONO probe are displayed on the screen and can be parallel saved in a file In tne menu Test and the window Test in Mode CS the measured single measurement values Moist 5 values per second of the SONO probe are displayed on the screen and parallel stored in a file In Test in Mode A single measurement values without average are displayed on the screen and can also be stored in a file Attention for a test run in mode CA CF CS or A 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 Yani In Mode CA Cyctic Ayntage Date Motive Mateno EC Trmme TRAE Dekac t tp wa Nosti Moist Most Meets TOR 16 06 08 11 03 2014 7 56 26 50 50 00 21 07 750 750 7 57 7 5 21 0 16 04 07 25 26 50 0 00 1 07 3 6 7 57 70 LO E KA

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