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SONALOK 7S

1. disturbance source pump supply L 2 50D 5 Installation 5 Installation 5 1 Location Select the measuring point according to the recommendations in chapter 4 and make sure that the ambient temperature is within the operating temperature range of the trans ducers see annex A Technical Data Select the location of the flowmeter within cable reach of the measuring point Make sure that the ambient temperature is within the operating temperature range of the flowmeter see annex A Technical Data 5 2 Installation Remove the front plate from the housing of the flowmeter Drill four holes in the wall at the selected location see Fig 5 1 or Fig 5 2 Insert dowels in the holes and fix the housing with screws in the wall X 3x M20 x 1 5 165 X m Q Q i _t_ 4 L TE e c Bs T epe 180 71 Fig 5 1 Dimensions of Sonalok 7S 51 Series in mm 19 5 Installation fo fo aN PE 205 T ale A WE l E dm Big A EEN 220 L 7i Fig 5 2 Dimensions of Sonalok 7S 52 Series in mm 5 3 Connection of the Transducers terminal strip KL1 Note It is recommended to run the cables from the measuring point to the flowmeter before the connection of the transducers to avoid load on the connectors Note The degree of protection of the flowmeter is only guaranteed if the cable glands are tightly screwed and the
2. Press ENTER If the character is entered less than six times this char acter string will be used as new program code 10 Settings 10 Settings 10 1 Time and Date EESIFLO has a battery buffered clock 10 1 1 Time SYSTEM settings Set Clock TIME Tl gt OK lt new 10 1 2 Date Select in SPECIAL FUNCTION SYSTEM SETTINGS the list item SET CLOCK Press ENTER The actual time is displayed Select OK to confirm the time or NEW to set the time Press ENTER Select the digit to be edited by key gt Edit the selected digit by key J and C Press ENTER The new time will be displayed Select OK to confirm the time or NEW to set the time again Press ENTER After the time has been set DATE will be displayed DATE 25 01 2007 Set Date TE DA 26 01 2007 gt OK lt new Select OK to confirm the date or NEW to set the date Press ENTER Select the digit to be edited by key Edit the selected digit by key and C Press ENTER The new date will be displayed Select OK to confirm the date or NEW to set the date again Press ENTER 10 2 Dialogs and Menus l Select SPECIAL FUNCTION SYSTEM SETTINGS Select SYSTEM settings the list item prarocs MENUS Press ENTER Dialogs Menus Note The settings of the menu item DIALOGS MENUS will be stored at the end of the dialog If the menu item is left be
3. ssssseeene 44 Blues Dee 44 TotallZers eoe eee Reliq add NR an ca see 45 Upper Limit of the Flow Velocity A 46 Cut Off E eege ah RECHERCHER HER TU o UE tere eet 47 Galculation Channels erret eae in ce eot te vere 48 Change of Limit for the Inner Pipe Diameter 51 Program Gode eee eec deret 51 Settings eoo Uie irent hi pe er ie ERES 53 Ialn A BIE EAEE 53 Dialogs and Memes eiie tcc ee REC Ru ce RU NR E Ee NSA A 53 Measurement Settings idi tea ne e RR 55 Setting WOR 56 Instrument ein re ET 56 SuperUser ModuS EE 57 Activating Deactivating 20 eee essceeesneeeeeneeeseneeeeeneeeeeeaeesesaeeeeeeeeesaeeseneesennaeeeeees 57 Malfunctions in SuperUser Mode 57 enc EET 58 Installation of an Output 58 Error Val eDelay tti nh tiet et nhe tet tfi 62 Circuits of the Outputs ue Ee b ORE UM EE 63 Activation of an Analog Output 63 12 5 12 6 12 7 12 8 13 13 1 13 2 13 3 13 4 13 5 13 6 Activation of a Pulse Output 64 Activation of an Alarm Output ssssessssseseeeneeneeneenneen rennen 65 Behavior of the Alarm Outputs enne 68 Deactivating thie OUtputs iot ect e E etn es 70 Troubleshooting 4 2 00 cei ouem aes ede retro As 71 Problems with the Measurement AA 72 Correct Selection of the Measuring Point 73 Maximum Acoustic Contact 73 Application Specific Problems cccceeceeeceeeeeeeeeneeeneeseeeeeaeeseeeeeaeesaressetenaeeeaes 738 High Measuring Deviations
4. Measurement is impossible or the measured values substantially differ from the expected values See section 13 1 The totalizer values are wrong See section 13 6 13 1 Problems with the Measurement A measurement is impossible as no signal is received A question mark will be dis played at the right side of the lower line Make sure that the entered parameters are correct especially the outer pipe diameter the wall thickness and the sound velocity of the medium Typical errors The circum ference or the radius was entered instead of the diameter The inner diameter was en tered instead of the outer diameter Make sure that the transducer distance recommended by Sonalok was adjusted when mounting the transducers Make sure that an appropriate measuring point has been selected see section 13 2 Try to obtain better acoustic contact between the pipe and the transducers see section 13 3 Enter a lower value for the number of sound paths The signal attenuation might be too high due to a high medium viscosity or deposits on the inner pipe wall see section 13 4 The measuring signal is received but no measuring values can be obtained An exclamation mark in the lower right edge of the display indicates that the de fined upper limit of the flow velocity is exceeded and thus the measured values will be marked invalid The limit has to be adapted to the measuring conditions or the check has to be deactivated
5. 12 6 23 6 Start up 6 Start up 6 1 Switching on As soon as the power supply is connected to the flowme EESIFLO ic di EUROPEI ter the serial number of the flowmeter is displayed for a EE short time Data can not be entered while the serial number is dis played UAR ON After initialization the main menu is displayed in the se lected language The language of the display can be set EE see section 6 3 1 6 2 Displays 6 2 1 Main Menu The main menu contains the program branches gt PAR lt mea opt sf Parameter PAR Parameter MEA Measuring OPT output options SF special functions The selected program branch is displayed in capital letters between arrows The full name of the selected program branch is displayed in the lower line Use key and 4 to select a program branch Press ENTER Note By pressing key BRK the measurement will be stopped and the main menu selected Note In this manual all program entries and keys are indicated in capital letters Program entries are indicated in typewriter characters PA RAMETER The menu items will be separated from the main menu by a back slash 24 6 Start up 6 2 2 The Program Branches and their Menu Items The pipe and medium parameters will be input in the program branch PARAMETER The steps for the measurement will be processed in the program branch
6. Bl Output Test 2 Reed Relais ON low ohmic SE Select YES to repeat the test NO to return to SYSTEM eu K SETTINGS Press ENTER Again no gt YES lt 12 2 Error Value Delay The error value delay is the time interval after which the error value will be transmitted to the output in case no valid measured values are available The error value delay can be entered in the program branch OUTPUT OPTIONS if this menu item has been previously activated in the program branch SPECIAL FUNCTION If you do not enter a value for the error delay the damping will be used Select in SPECIAL FUNCTION SYSTEM SETTINGS DI ALOGS MENUS the menu item ERROR VAL DELAY Error val delay gt DAMP ING lt edit Select DAMP ING if the damping value is to be used as er ror value delay Select EDIT to activate the error value delay request From now on the error value delay can be entered in the program branch OUTPUT OPTIONS The setting is cold start resistant Error val delay 10 S o N 12 Outputs 12 3 Circuits of the Outputs Table 12 2 Circuits of the outputs output EESIFLO circuits active Ri oAD 500 Q current loop E N T lt KS SN mA KS binary output Reed Umax 24 V relay B Imax 150 mA lt b Ri oap is the sum of all ohmic resistances in the circuit resistance of the conductors re sistance of the amperemeter voltmeter etc
7. Medium Temperat 31 7 Basic Measurement 7 3 Other Parameters 7 3 1 Cable Length 1 1 If the transducer cable has to be extended enter the BODIE renal cable additional cable length e g between the junction box S359 m and the flowmeter Press ENTER 7 4 Selection of the Channels The channels on which will be measured can be activated individually This is only possi ble if the flowmeter has more than one measuring channel Select the program branch MEASURING Press ENTER par MEA opt sf easuring If this error message is displayed the parameters are not complete Enter the missing parameters in the pro gram branch PARAMETER par MEA opt sf NO DATA l The channels for the measurement can be activated L gt A lt RANA po Dem d and deactivated This display will not be indicated if the flowmeter has only one measuring channel The symbols mean v the channel is active the channel is not active the channel can not be activated Note A measuring channel can not be activated if the parameters are not valid e g if the parameters in the program branch PARAMETER of the channel are not complete Select a channel with key op Press key 4 to activate or deactivate the selected channel Press ENTER A deactivated channel will be ignored during the measurement Its parameters will re main unchanged N 7 Basi
8. eeeeeeeseeeeeeeeeneee nennen enne nennen nennen 74 Problems with the Totalizers AAA 75 Technical Data 1 1 retis obe mee 76 Menu Structure kkn ecn ceca cbe tetro uae even ieee 81 Reference eode ean deinde ten EES eegen 89 1 Introduction 1 Introduction 1 4 Regarding this Manual This manual has been written for the personnel operating the ultrasonic flowmeter Sonalok 7S It contains important information on the flowmeter how to handle it correctly and how to avoid damages Always keep this manual at hand Get acquainted with the safety rules and the handling precautions Make sure you have read and understood this manual before using the flowmeter All reasonable effort has been made to ensure the correctness of the content of this man ual If you however find some erroneous information please inform us We will be grate ful for any suggestions and comments regarding the concept and your experience work ing with the flowmeter This will ensure that we can further develop our products for the benefit of our customers and in the interest of technological progress If you have any suggestions about improv ing the documentation and particularly this User Manual please let us know so that we can consider your comments for future reprints The content of this manual is subject to changes without prior notice All rights reserved No part of this manual may be reproduced in any form without EESIFLO s written permis
9. holding behavior TYPE NON HOLD switching func tion MODE NO CONT actual state closed MAX HOLD amm NC CONT open MIN en t2 gt QUANTITY ERROR 12 8 Deactivating the Outputs If the programmed outputs are no longer required they can be deactivated The configu ration of the deactivated output is stored and will be available when the output is reacti vated Alarm Output gt NO lt 70 To deactivate an output select NO in OUTPUT TIONS ALARM OUTPUT Press ENTER OP 13 Troubleshooting 13 Troubleshooting If any problem appears which can not be solved with the help of this manual contact our sales office giving a precise description of the problem Specify the type serial number and firmware version of the flowmeter Calibration Sonalok is a very reliable instrument It is manufactured under strict quality control us ing modern production techniques If installed as recommended in an appropriate loca tion used cautiously and taken care of conscientiously no troubles should appear The flowmeter has been calibrated at the factory and usually a re calibration of the flowmeter will not be necessary A re calibration is recommended if the contact surface of the transducers show visible wear or the transducers were used for a prolonged period at a high temperature sev
10. with the following HotCodes Table 6 1 Language HotCodes 909031 Dutch 909033 French 909034 Spanish 909044 English 909049 German Depending on the technical data of the flowmeter some of the languages might not be implemented When the last digit is entered the main menu will be displayed in the selected language The selected language remains activated after switching the flowmeter off and on again The language can be selected as often as required Note After initializing of the flowmeter keys BRK and C during switching on the display will be indicated in the factory preset language 6 4 Interruption of the Power Supply All current measuring parameters will be stored in a non volatile cold start resistant EPROM as soon as the measurement begins The operation of the flowmeter will be in terrupted if the power supply fails All input data are preserved ep After return of the power supply the serial number will be SE displayed for a few seconds 5X00 25xX00100 The interrupted measurement will be continued All selected output options are still ac tive The flowmeter does not continue the measurement after return of the power supply if a cold start was performed 27 7 Basic Measurement 7 Basic Measurement The pipe and medium parameters will be entered for the selected measuring point see chapter 4 The ranges are limited by the characteristics
11. 12 4 Activation of an Analog Output Note An output can only be activated in the program branch OUTPUT OP TIONS if it has been previously installed Output Options for Channel A Current Loop Il no gt YES lt Select in the program branch OUTPUT OPTIONS the chan nel for which an output has to be activated Press ENTER This display will not be indicated if the flowmeter has only one measuring channel P Y ress ENTER until CURRI ES to activate the output Press ENTER 12 4 4 Measuring Range of the Analog Outputs After an analog output has been activated in the program branch OUTPUT OPTIONS the measuring range of the source item has to be entered Zero Scale Val 0 00 m3 h ENT LOOP is displayed Select VALU E the lowest measured value expected The unit of measurement of the source item will Enter in ZERO SCALE be displayed ZERO SCALE VALUE is the measured value correspond ing to the lower limit of the output range as defined in sec tion 12 1 1 63 12 Outputs Full Scale Val Enter in FULL SCALE VALUE the highest measured value expected 300 00 m3 h FULL SCALE VALUE is the measured value correspond ing to the upper limit of the output range as defined in sec tion 12 1 1 example The output range 4 20 mA was selected for a current loop the zero scale value was set to 0 m3 h and the full scale v
12. A scroll list will be selected in the upper line with keys gt A scroll list will be selected in the lower line with keys J Press ENTER to store the settings 12 6 2 Setting the Limits If MAX or MIN has been selected in the scroll list FUNC the limit of the output has to be defined R1 Input D Volume Flow Enter the limit table 12 4 limits MAX and MIN Select in the scroll list INPUT the physical quantity to be used for comparison The following list items are available the selected physical quantity signal amplitude sound velocity of the medium Press ENTER switching display comparison condition MAX measured value limit High Limit The alarm will switch when the measured val 10 00 m3 h ue exceeds the upper limit MIN measured value limit Low Limit The alarm will switch when the measured val 10 00 m3 h ue falls below the lower limit o Oo 12 Outputs example 1 upper limit 10 0 m h A measured value of e g 9 9 m h exceeds the limit The alarm switches A measured value of e g 11 0 m h does not exceed the limit The alarm does not switch example 2 lower limit 10 0 m h A measured value of e g 11 0 m h is below the limit The alarm switches A measured value of e g 9 9 m h is not below the limit The alarm does not switch If QUANTITY has been selected in the scroll list FUNC the limit of the output has to be de fined Table 12 5
13. Es z E g m E 10 10 T 105 10 10 10 T 10 100 Ip 100 10 10 10 100 10 100 Ve 1 10 10 100 01 flow velocity m s A Specifications Flow Nomogram imperial volume flow volume flow E U S E TS E gt 3 Sue E E gt E 96 ZS x e a 3 2 2 A Ze 2 22 2 Y b SSG Ou 9 9 Q 2 104 108 100 108 amp 100 10 100 100 100 10 0 1 Le 1 10 100 flow velocity m s 80 B Menu Structure Menu Structure Program Branch PARAMETER main menu selection of the program branch PARAMETER gt PAR lt mea opt sf Parameter Selection of a measuring channel A B or of a calculation Parameter 1 channel Y Z for Channel A This display will not be indicated if the flowmeter has only one measuring channel When a measuring channel is selected A B z input of the outer pipe diameter Outer Diameter 100 0 mm z l input of the pipe circumference Pipe Circumfer 314 2 mmi This display is indicated only if PIPE CIRCUMFER is ac tivated in SPECIAL FUNCTIONNSYSTEM SETTINGS DI ALOGS MENUS and OUTER DIAMETER 0 has been en tered SE EE input of the pipe wall thickness w Ce mm selection of the pipe material Pipe Material 41 pip Carbon Steel i f th locity of the pi ial c Material input o the sound ve ocity o t e pipe materia 3230 0 m s This display is indicat
14. Flowmeter 2x 16 digit LCD display backlit Sonalok 7S 52 Series ULTRAS NIC L WMETER keyboard RESTART r P ur Be gt 4 ULTRAS Ee PR CESS OUTPUTS P WER SUPPLY CHANNEL A HANNEL BINARY BINARY CURRENT CURRENT RS485 HERVE LABEL V MARKED OR Ai m n hb di EIL 9s De o PE Dei FUSE WHITE CABLE terminals for trans output terminals power supply terminals ducer connection Fig 3 4 Command panel of Sonalok 7S 52 Series 3 3 Serial Number Type and serial number are on the data plate on the side of the flowmeter When contact ing EESIFLO always have both numbers and the number of the firmware version at hand see section 10 5 3 Flowmeter 3 4 Keyboard The keyboard consists of five keys Table 3 1 General functions ENTER confirm the selection or the entered value BRK C ENTER RESET Press these three keys simultaneously to recover from an error The reset has the same effect as restarting the flowmeter Stored data will not be affected BRK interruption of the measurement and selection of the main menu Note Be careful not to interrupt a current measurement by inadvertently pressing key BRK Table 3 2 Navigation md scroll to the right or upwards through a scroll list 4 scroll to the left or downwards through a scroll list Table 3 3 Input of numbers gt move cursor to the right 4 scroll through
15. If the pipe circumference is not to be entered press key BRK to return to the main menu and start the parameter input again N 7 Basic Measurement 7 1 2 Pipe Wall Thickness Enter the pipe wall thickness The range depends on the connected transducers Default is 3 0 mm Press mnm ENTER Wall Thickness w e Note The inner diameter 2 outer diameter 2x pipe wall thickness will be calculated internally If the value is not within the inner pipe diameter range of the connected transducers an error message will be dis played It is possible to change the lower limit of the inner pipe diameter for a given transducer type see section 9 7 7 1 3 Pipe Material The pipe material has to be selected to determine the sound velocity The sound veloci ties for the materials in the scroll list are stored in the flowmeter z Select the pipe material from the scroll list Pipe Material 41 Carbon Steel If the material is not in the scroll list select OTHER MA TERIAL Press ENTER When the pipe material is selected the corresponding sound velocity is set automatical ly lf OTHER MATERIAL is selected the sound velocity has to be entered f Enter the sound velocity of the pipe material c Material 3230 0 m s Values between 600 0 m s and 6553 5 m s will be ac cepted Press ENTER Note Enter the sound velocity of the material i e longitudina
16. Velocity the upper line 125 m s Select the command gt MUX NEXTCHAN to display the next activated channel The mea sured values of the selected channel will be displayed as configured in the program branch OUTPUT OPTIONS see section 8 1 8 3 Setting the Display During measurement the display can be set as to display two measured values simulta neously one in each line of the display This does not have influence on the totalizing the measured value output etc The following information can be displayed in the upper line designation of the physical quantity totalizer values if activated measuring mode transducer distance alarm state indication if activated see section 12 7 5 and if alarm outputs are activat ed The following information can be displayed in the lower line flow velocity sound velocity mass flow volume flow The display in the upper line can be changed during measurement with key The dis play in the lower line can be changed during measurement with key 4 The character indicates that the displayed value here ASE TOW Velocity flow velocity is not the selected physical quantity S 2 47 m s 8 4 Status Line Important data of the current measurement are summarized in the status line Quality and precision of the current measurement can be estimated ae Ste ee BE EA The status line will be selected by scrolling during mea surement with key gt through the
17. a limit O to switch on the detection of outliers The measured flow velocity will be compared then to the entered upper limit Values between 0 1 m s and 25 5 m s will be accepted Press ENTER 46 9 Advanced Measuring Functions If the flow velocity is higher than the upper limit the flow velocity will be marked as invalid The physical quantity can not be deter mined e I will be displayed after the unit of measurement In case of a normal error will be displayed Attention If the upper limit is too low a measurement might be impossible as most of the measured values will be marked invalid 9 5 Cut off Flow The cut off flow function automatically sets all measured flow velocities to zero that are below a preset value All values derived from this measured value will be also set to zero The cut off flow can depend on the flow direction or not The default is 2 5 cm s 0 025 m S The max value is 12 7 cm s 0 127 m s The cut off value will be set in SPECIAL FUNCTION SYSTEM SETTINGS MMEASURING The setting is cold start resistant Select SIGN to define a cut off flow dependent on the flow direction There are two independent limits to be set for the positive and negative flow directions Cut off Flow absolut gt SIGN lt Select ABSOLUTE to define a cut off flow independent of the flow direction There is only one limit to be set The absolute value
18. a scroll list with key The list items will be displayed in the lower line Scroll with key 4 through the scroll list All measuring channels and their absolute values can be used for the cal culation Chl SENG Gh The following calculation functions are available IA 72 DI Y CH1 CH2 Y CH1 CH2 e 2 Y CH1 CH2 2 Y 2 CH1 CH2 Press ENTER 9 6 3 Output Options for a Calculation Channel Select a calculation channel in the program branch ouT Output Options PUT OPTIONS Press ENTER for Channel Y PhvsicecouaBb d PER the physical quantity to be calculated Press EN Mass Flow Make sure that the physical quantity selected for the calculation channel can be calculat ed from the physical quantities of the selected measuring channels Table 9 2 shows the possible combinations Table 9 2 Physical quantity of the calculation channel physical quantity of the cal possible physical quantity of the possible physical quantity of the culation channel first measuring channel CH1 second measuring channel CH2 z z 8 2 s eee DE DE 3X BUE 2 E a Q E E flow velocity x x x x x D volume flow x x x D mass flow x x x D 49 9 Advanced Measuring Functions example The difference of the volume flows of the channels A and B has to be deter mined The physical quantity of measuring channels A and B can be th
19. alarm will be triggered at values 30 5 m h deactivated at values 29 5 m h Enter the hysteresis or 0 zero to work without hysteresis RI Hystereser Press ENTER 1 00 m3 h 12 7 Behavior of the Alarm Outputs 12 7 1 Apparent Switching Delay Measured values and totalizer values will be displayed rounded to two decimal places The limits however will be compared to the non rounded measured values This might cause an apparent switching delay when the measured value changes marginally less than two decimal places In this case the switching accuracy of the output is greater than the accuracy of the display 12 7 2 Reset and Initialization of the Alarms After a cold start all alarm outputs will be initialized They will then be in the following state Table 12 6 State of the output after initialization FUNC OFF TYPE NON HOLD MODE NO CONT LIMIT 0 00 Press three times key C during measurement to set all alarm outputs to the idle state Alarm outputs whose switching condition is still met will be reactivated after 1 second This function is used to reset alarm outputs of type HOLD if the switching conditions is not met anymore By pressing key BRK the measurement will be stopped and the main menu selected All alarms outputs will be de energized independently of the programmed idle state 12 7 3 Alarm Outputs during Transducer Positioning When the positioning of the transducers begins ba
20. alarm will switch when the flow direction chang es sign change of measured value QUANTITY The alarm will switch when totalizing is activated and the totalizer reaches the limit ERROR The alarm will switch when no measurement is possible OFF The alarm is switched off TYP ON HOLD If the switching condition is not true any more the holding behavior alarm returns to idle state after approx 1 second HOLD The alarm remains activated even if the switching condition is not true anymore MODE O CONT The alarm is energized when the switching condi switching function tion is true and de energized when idle NO normally open C CONT The alarm is de energized when the switching con dition is true and de energized when idle NC normally closed Attention If no measurement takes place all alarms will be de energized inde pendently of the programmed switching function 65 12 Outputs Output Options f for Channel A Alarm Output no gt YES lt R1 FUNC lt typ mode Function AX Select in the program branch OUTPUT OPTIONS the chan nel for which an alarm output has to be activated Press ENTER This display will not be indicated if the flowmeter has only one measuring channel Select YES to activate the alarm output Press ENTER Three scroll lists will be displayed FUNC for the switching condition TYP for the holding behavior MODE for the switching function
21. be reset to zero automatically as soon as 39999999999 is reached Select in SPECIAL FUNCTION SYSTEM SETTINGSMMEASURING the menu item QUANT WRAPPING The setting is cold start resistant Select OH to work with overflow Select OFF to work with Quante wrapping out overflow off gt ON lt Independently of the selected list item the totalizers can be reset manually to zero Note The output of the sum of both totalizers the throughput XQ via an output will not be valid anymore after the first overflow wrapping of one of the respective totalizers To signalize the overflow of a totalizer an alarm output with the switching condition QUANTITY and the type HOLD has to be activat ed 9 4 Upper Limit of the Flow Velocity Single outliers caused by heavily disturbed surroundings can appear in the measured values of the flow velocity If outliers are not ignored they will affect all derived physical quantities which will then be unsuitable for integration e g pulse outputs It is possible to ignore all measured flow velocities higher than a preset upper limit These measured values will be marked as outliers The upper limit of the flow velocity will be set in SPECIAL FUNCTION SYSTEM SET TINGSMMEASURING The setting is cold start resistant Select the menu item VELOCITY LIMIT Velocity limit 0 0 m s Enter 0 zero to switch off the detection of outliers Enter
22. in an appropriate loca tion used cautiously and taken care of conscientiously no troubles should appear If any problem appears which can not be solved with the help of this manual see chapter 13 contact our sales office giving a precise description of the problem Specify the type serial number and firmware version of the flowmeter 2 Handling 2 Handling 2 4 First Inspection The flowmeter has already been tested thoroughly at the factory At delivery proceed to a visual control to make sure that no damage has occurred during transportation Check that the specifications of the flowmeter delivered correspond to the specifications given on the purchase order Type and serial number of the flowmeter are given on the data plate on the Sonalok The transducer type is printed on the transducers 2 2 General Precautions Sonalok is a precision measuring instrument and must be handled with care To obtain good measurement results and not to damage the flowmeter it is important to pay great attention to the instructions given in this user manual and particularly to the following points Protect the flowmeter from excessive shock Do not open the housing without authorization Keep the transducers clean Manipulate the transducer cables cautiously Avoid ex cessive cable bend Make sure to work under correct ambient and operating conditions see annex A Tech nical Data Take the degree of protection into acco
23. key C Attention Do not forget the program code Select in the program branch SPECIAL FUNCTION the menu item PROGRAM CODE Special Funct Set program code Enter a program code with max 6 digits Press ENTER An error message will be displayed if a reserved number has been entered e g a HotCode for language selection INVALID CODE 909049 A program code remains valid as long as no other valid program code is entered or the program code is not deactivated 51 9 Advanced Measuring Functions 9 8 1 Key BRK will be pressed INP Intervention in the Measurement UT BR AK_CODE CODE INP INVALID CODE A command will be selected Bl 000000 UT BRE AK CODE P INP ACCESS CODE CODE Bl 000000 Enter the program code with the keys and 4 Press ENTER m E If the entered program code is not valid an error message will displayed for a few seconds If the entered program code is valid the measurement will be interrupted Enter the first three digits of the program code with the keys and 4 Press ENTER At first 000000 will be displayed If the program code starts with 000 ENTER can be pressed directly 9 8 2 Deactivation of the Program Code Program Code oa N Select in the program branch SPECIAL FUNCTION the menu item PROGRAM CODE The program code will be deleted by entering
24. mm drawn pipes of non ferrous metal 0 0 0015 glass plastics and light metal drawn steel pipes 0 01 0 05 fine planed polished surface max 0 01 planed surface 0 01 0 04 rough planed surface 0 05 0 1 welded steel pipes new 0 05 0 1 long usage cleaned 0 15 0 2 lightly and evenly rusted max 0 4 heavily encrusted max 3 cast iron pipes bitumen lining gt 0 12 new without lining 0 25 1 rusted 1 1 5 encrusted 120563 90 C Reference Table C 3 Properties of Water at 1 bar and at Saturation Pressure medium temperature medium pressure density specific heat C bar kg m KJ kg K 0 1 999 8 4 218 10 1 999 7 4 192 20 1 998 3 4 182 30 1 995 7 4 178 40 1 992 3 4 178 50 1 988 0 4 181 60 1 983 2 4 184 70 1 977 7 4 190 80 1 971 6 4 196 90 1 965 2 4 205 100 1 013 958 1 4 216 120 1 985 942 9 4 245 140 3 614 925 8 4 285 160 6 181 907 3 4 339 180 10 027 886 9 4 408 200 15 55 864 7 4 497 220 23 20 840 3 4 613 240 33 48 813 6 4 769 260 46 94 784 0 4 983 280 64 20 750 5 5 290 300 85 93 712 2 5 762 320 112 89 666 9 6 565 340 146 05 610 2 8 233 360 186 75 527 5 14 58 374 15 221 20 315 5 E at constant pressure 91 C Reference Table C 4 Chemical Resistance of Autotex Autotex keyboard is resistant according to DIN 42115 part 2 against following chemi cals for a contact time of mor
25. mm followed by the entered transducer distance here 50 8 mm The optimum transducer distance might change during measurement e g due to tem perature fluctuations A possible deviation from the optimum transducer distance here 0 4 mm will be com pensated internally Attention Never change the transducer distance during measurement 43 9 Advanced Measuring Functions 9 Advanced Measuring Functions 9 1 Command Execution during Measurement Commands executable during a measurement are shown in the upper line A command always begins with gt If programmed a program code has to be entered see section 9 8 1 Scroll in the upper line with key until the needed command is displayed Press EN TER The following commands are available Table 9 1 Commands that can be executed during measurement COMMAND explanation ADJUST SENSORS Select transducer positioning If a program code is ac tive the current measurement will be automatically continued 8 seconds after the last keyboard entry CLEAR TOTALIZER A 32 5 m3 54 5 m3 h The totalizers will be reset to zero gt MUX AUTO HUMAN Toggle between AutoMux and HumanMux mode see section 8 2 This display will not be indicated if the flowmeter has only one measuring channel or only one measuring channel is active gt MUX NEXTCHAN displays the next channel This display will not be indic
26. of some materials see annex C Table C 2 The values are based on experience and measurements Enter the ROUGHNESS for the selected pipe or lining ma terial Roughness 0 4 mm Values between 0 0 mm and 5 0 mm will be accepted Default for steel as pipe material is 0 1 mm Change the value according to the condition of the inner pipe wall Press ENTER 7 2 Input of the Medium Parameters Select the medium from the scroll list Medium D Water If the medium is not in the scroll list select OTHER MA TERIAL Press ENTER If a medium is selected from the scroll list the menu item for the input of the medium temperature will be displayed directly see section 7 2 4 If OTHER MEDIUM is selected the medium parameters have to be entered first see the following sections min and max sound velocity kinematic viscosity density 7 Basic Measurement 7 2 1 Sound Velocity The sound velocity of the medium is used for the calculation of the transducer distance at the beginning of the measurement However the sound velocity does not influence the measuring result directly Often the exact value of the sound velocity for a given medium is unknown A range of possible values for the sound velocity must therefore be entered These displays are indicated only if OTHER MEDIUM has been selected Enter the min and max sound velocity of the medium Values between 500 0 m s and 3500 0 m s wi
27. one measuring channel display of the current calculation function Calculation Y A B selection of the calculation function gt CH1 lt funct ch2 f A DE B oo N B Menu Structure Program Branch MEASURING main menu selection of the program branch MEASURING par gt MEA lt opt sf Measuring activation of the channels KANAL gt A lt B YZ MESSEN v v This display will not be indicated if the flowmeter has only one measuring channel display of the transducer distance to be adjusted between is d M dec the inner edges of the transducers A 54 mm Reflec Program Branch OUTPUT OPTIONS main menu selection of the program branch OUTPUT OP TIONS par mea gt OPT lt sf Output Options selection of the channel whose output options are to be Output Options f defined for Channel A selection of the physical quantit Physic Quant pay q y Volume Flow selection of the unit of measurement for the physical quan Volume in tity m3 h input of the duration over which a floating average of the Modus measured values has to be determined E 83 B Menu Structure CURRENT LOOP Current Loop Il no gt YES lt Meas Values gt ABSOLUT lt sign Zero Scale Val 0 00 m3 h Full Scale Val 300 00 m3 h Error val delay 10 S PULSE OUTPUT Pulse Output Bl no gt YES lt Pulse Value 0 01 m3 Pulse Width 100 ms oo Az activation of a current ou
28. output Measuring value i SCH If a binary output is configured only the list items LIMIT and IMPULS will be displayed 12 Outputs The source items and their scroll lists are described in Table 12 1 Table 12 1 Configuration of the outputs source item list item output MEASURED VALUE physical quantity selected in the program branch OUTPUT OPTIONS QUANTITY Q totalizer for the positive flow direction Q totalizer for the negative flow direction ZO sum of the totalizers positive and negative flow direction LIMIT R1 limit message alarm output R1 R2 limit message alarm output R2 R3 limit message alarm output R3 IMPULS FROM ABS X pulse without sign consideration FROM X 0 pulse for positive measured values FROM X lt 0 pulse for negative measured values MISCELLANEOUS SOUNDSPEED FLUID sound velocity of the medium SIGNAL signal amplitude of a measuring channel 12 1 1 Output Range INIMAL If OTHER RANGE MIN and OUTPUT MAX Press ENTER after each input When configuring an analog output the output range will be defined now Select a list item or OTHER RANGE to enter the output range manually is selected enter the values OUTPUT This error message will be displayed if the output range is not min 10 96 of the max output range The next possible value will be displayed Repeat the input example Imax Imin 2 2 mA for a 4 20 mA curren
29. sion 1 2 Safety Precautions You will find in this manual the following safety information Note The notes contain important information which help you use the flow meter optimally Attention This text contains important instructions which should be respected to avoid damage or destruction of the flowmeter Proceed with atten tion This text denotes an action which could result in injury or death of A personal Proceed with attention Respect these safety precautions 1 Introduction 1 2 1 Warranty The Sonalok 7S flowmeter is guaranteed for the te rm and to the conditions specified in the sales contract provided the equipment has been used for the purpose for which it has been designed and operated according to the instructions given in this User Manual Mis use of the EESIFLO will immediately revoke any warranty given or implied This includes replacement of a component of Sonalok 7s by a component that was not authorized by EESIFLO unsuitable or insufficient maintenance repair of Sonalok by unauthorized personnel EESIFLO assumes no responsibility for injury to the customer or third persons proximately caused by the material owing to defects in the product which were not predictable or for any indirect damages Sonalok is a very reliable instrument It is manufactured under strict quality control us ing modern production techniques If installed as recommended
30. the digits above cursor C move cursor to the left When the cursor is on the left margin an already edited value will be reset to the previously saved value anunedited value will be deleted If the entered value is not valid an error message will be displayed Press ENTER and enter a correct value Table 3 4 Input of text move cursor to the right 4 scroll through character set above cursor C reset all characters to last saved entry Table 3 5 Cold start BRK C INIT cold start Most parameters and settings are reset to the factory de fault values The memory will not be deleted Keep the two keys pressed while switching on the flowmeter until the main menu is displayed A cold start during operation is executed as follows Press the keys BRK C and ENTER simultaneously Release only key ENTER A RESET is executed Keep the keys BRK and C pressed until the main menu is displayed 13 4 Selection of the Measuring Point 4 Selection of the Measuring Point The correct selection of the measuring point is crucial for achieving reliable measure ment results and a high accuracy A measurement must take place on a pipe where the sound can propagate see section 4 1 and with a fully developed rotationally symmetrical flow profile see section 4 2 The correct transducer positioning is an essential condition for error free measurement It guar
31. the range of the recom mended transducer distance until the bar graph has max length max 6 squares By scrolling with key gt through the upper line and with key 4 through the lower line transducer distance bar graph o signal quality must have max length transit time TRANS in microseconds bar graph s signal amplitude can be displayed If the signal is not sufficient for measurement Q UNDEF will be displayed In case of larger deviations check if the entered parameters are correct or repeat the measurement at a different location on the pipe After the precise positioning of the transducers the recom mended transducer distance is displayed again Enter the actual precise transducer distance Press EN TER Transd Distance 23 9 mm Repeat the steps for all channels on which will be measured The measurement will be started automatically afterwards 7 6 5 Consistency Check If a wide range for the sound speed has been entered in the program branch PARAMETER or the exact parameters of the medium are not known a consistency check is recom mended The transducer distance can be displayed during measurement by scrolling with key gt In the upper line the optimum transducer distance is dis played in parentheses here 50 0 mm followed by the entered transducer distance here 54 0 mm The latter value must correspond to the actually adjusted transducer distance Press E
32. the volume which has passed through the pipe at m the measuring point in positive flow direction since the acti vation of the totalizers Press ENTER while a totalizer is displayed to toggle between the display of the totaliz ers for both flow directions Select the command CLEAR TOTALIZER in the upper line to reset the totalizers to zero Press ENTER This error message is indicated if the totalizers are to be activated on a measuring channel where the flow velocity is measured The flow velocity can not be totalized A NO COUNTING 3 5 m s 9 3 1 Store the Totalizer Values When the Measurement is Interrupted The behavior of the totalizers after an interruption of the measurement or after a RESET of the flowmeter will be set in SPECIAL FUNCTION SYSTEM SETTINGSMMEASUR ING QUANTITY RECALL The setting is cold start resistant If oN is selected the values of the totalizers will be stored and used for the next measurement If OFF is selected the totalizers will be reset to zero Quantity recall off gt ON lt 45 9 Advanced Measuring Functions 9 3 2 Overflow of the Totalizers The overflow behavior of the totalizers can be set Without overflow The value of the totalizer increases to the internal limit of 1098 The values will be displayed as exponential numbers 1 00000E10 if necessary The totalizer can only be reset to zero manually With overflow The totalizer will
33. upper line 8 Displaying the Measured Values value explanation S signal amplitude 0 lt 5 9 gt 90 Q signal quality 0 lt 5 9 gt 90 c sound velocity comparison of the measured and expected sound velocity of the medium The expected sound velocity is calculated on the basis of the medium parameters medium selected in the program branch PARAMETER temperature dependency ok corresponds to the expected value gt 20 of the expected value lt 20 of the expected value unknown can not be measured R flow profile information about the flow profile based on the Reynold s number fully turbulent flow profile fully laminar flow profile the flow is in the transition range between laminar and turbulent flow unknown can not be calculated F flow velocity comparison of the measured flow velocity with the flow limits of the system ok flow velocity is not in a critical range veon er the flow velocity is lower than the actual cut off flow even if it is not set to zero the flow velocity is in the offset range of the measuring method T the flow velocity is higher than the actual limit v 0 unknown can not be measured 8 5 Transducer Distance By pressing key it is possible during measurement to scroll to the display of the transducer distance L 51 1 50 0 mm 54 5 m3 h The current optimum transducer distance is displayed in parentheses here 51 2
34. wall or consists of acoustically absorbing material Try measuring on a liner free section of the pipe Media with high viscosity strongly attenuate the ultrasonic signal Measurements on media with a viscosity gt 1000 mm s are only possible under certain conditions Higher proportions of or solids in the medium scatter and absorb ultrasounds and therefore attenuate the measuring signal A measurements is impossible if the value is gt 10 If the proportion is high but lt 10 a measurement might be possible under certain conditions The flow is in the transition range between laminar and turbulent flow where flow measurement is problematic Calculate the Reynolds number of the flow at the measuring point with the program free download www eesiflo com Contact EESIFLO 13 5 High Measuring Deviations The sound velocity of the medium is wrong A wrong sound velocity can lead to the ultrasonic signal reflected on the pipe wall being mistaken for the measuring signal passing the medium The flow calculated from the wrong signal by the flowmeter is very small or fluctuates around zero The defined upper limit of the flow velocity is too low All measured flow velocities that are greater than the upper limit will be ignored and marked as invalid All quantities derived from the flow velocity are marked as invalid too If several correct measured values are ignored the totalizer values will be too low The entered cut off flow is too hig
35. Code 071049 to activate the SuperUser mode It is displayed that the SuperUser mode is activated Press ENTER The main menu will be displayed SUPERUSER MOD IS ACTIVE NOW Enter HotCode 071049 again to deactivate the SuperUser mode It is displayed that the SuperUser mode is deactivated Press ENTER The main menu will be displayed SUPERUSER MODE IS PASSIVE NOW The SuperUser mode will be deactivated by switching off the flowmeter too 11 2 Malfunctions in SuperUser Mode As the SuperUser mode operates without any plausibility check absurd entries may re sult in an automatic switching off of the flowmeter or in a crash of the internal software An absurd entry is e g 0 zero for the number of sound paths or 0 1 mm for the outer pipe diameter Switch on the flowmeter again and reactivate the SuperUser mode If necessary RESET the flowmeter by pressing keys BRK C and ENTER simultaneously 57 12 Outputs 12 Outputs If the flowmeter is equipped with outputs they have to be installed and activated before t hey can be used assigning a measuring channel source channel to the output if the flowmeter has more than one measuring channel defining the physical quantity source item to be transmitted to the output by the source channel and the properties of the signal defining the behavior of the output in case no valid measured values are available activation of the install
36. IES Measuring measuring principle flow velocity resolution repeatability accuracy volume flow measurable media Flowmeter enclosure weight degree of protection material dimensions L x H x D without cable glands measuring channels power supply display operating temperature power consumption signal damping measuring cycle response time Measuring functions physical quantities totalizers calculation functions operating languages ultrasonic time difference correlation principle 0 01 25 m s 0 025 cm s 0 25 of reading 0 01 m s for fully developed rotationally symmetrical flow profile t 2 96 of reading 0 01 m s all acoustically conductive fluids with 10 96 gaseous or solid content in volume Sonalok 7S 51 Sonalok 7S 52 1 5 kg 1 7 kg IP 66 according to EN 60529 aluminum powder coated 180 x 140 x 71 mm 220 x 140 x 71 mm 1 2 100 240 V AC or 24 V DC 2x 16 characters dot matrix backlit 10 60 C lt 10W 0 100 s adjustable 100 Hz 1 channel 1s 1 channel flow velocity volume flow mass flow volume mass Sonalok 5200 average difference sum English German French Dutch Spanish under reference conditions and v 0 25 m s 76 A Technical Data outputs The outputs are galvanically isolated from main device The basic instrument is equipped with 1 current output and 2 binary outputs Reed relay current active Re l
37. Limit of totalizer Switching display comparison condition QUANTITY totalizer gt limit Quantity Limit The alarm will switch when the totalizer 1 00 m3 reaches the limit A positive limit will be compared to value of the totalizer for the positive flow direction A negative limit will be compared to value of the totalizer for the negative flow direction The comparison will also be made if the totalizer of the other flow direction is displayed Note The unit of measurement of the limit corresponds to the unit of mea surement of the selected physical quantity If the unit of measurement of the physical quantity is changed the limit has to be converted and input again example 1 physical quantity volume flow in m3 h quantity limit 1 0 m3 example 2 physical quantity volume flow in m h lower limit 60 0 m h The unit of measurement of the physical quantity will be changed to m3 min The new limit to be entered is 1 0 m min 12 6 3 Defining the Hysteresis A hysteresis can be defined for alarm output R1 preventing a constant triggering of the alarm by measuring values fluctuating marginally around the limit The hysteresis is a symmetrical range around the limit The alarm will be activated if the measured values exceed the upper limit and deactivated if the measured values fall be low the lower limit 67 12 Outputs example The limit is 30 m3 h and the hysteresis 1m3 h The
38. MEASURING Physical quantity with unit of measurement and all parameters necessary for the mea sured value output will be defined in the program branch OUTPUT OPTIONS All functions that are not directly related with the measurement are in the program branch SPECIAL FUNCTION For an overview of the program branches see section 6 2 3 For a detailed overview of the menu structure see annex B 6 2 3 Overview of the Program Branches 1 Parameter Measuring Output Options Special Function gt PAR lt gt MEA lt gt OPT lt gt SF lt e e Se e selection of the selection of the selection of the system measuring channel measuring channel measuring channel settings e e e w pipe parameters sound path physical quantity instrument information medium parameters transducer unit of program code positioning measurement extension cable measurement damping consistency check measured value output The following menu items are in SYSTEM SETTINGS dialogs menus measurement outputs Miscellaneous set clock 25 6 Start up 6 2 4 Navigation If a vertical arrow is displayed the menu item contains a scroll list The current list item is displayed in the lower line Scroll with key L and to select a list item in the lower EE line Press ENTER for Channel A In some menu items there is a horizontal scroll list in the lower line The selected
39. MEASURING SYSTEM settings 1 Measuring Cut off Flow absolut gt SIGN lt Cut off Flow factory gt USER lt Cut off Flow 235 cm s Cut off Flow 2 5 cm s Cut off Flow 2 5 cm s Velocity limit 0 0 m s Quant wrapping off gt ON lt Quantity recall off gt ON lt SYSTEM SETTINGS PROC SYSTEM settings f Proce outputs Install Output Current I1 selection of the displays for the settings of the measure ment selection of the input of a lower limit for the flow velocity ABSOLUT independent of the flow direction SIGN dependent on the flow direction activation of the input of a lower limit of the flow velocity FACTORY the default limit of 2 5 cm s will be used USER input of a limit input of the cut off flow for positive measured values This display is indicated only if CUT OFF FLOWNSIGN and USER have been selected before input of the cut off flow for negative measured values This display is indicated only if CUT OFF FLOWNSIGN and USER have been selected before input of the cut off flow for the absolute value of the mea sured values This display is indicated only if CUT OFF FLOWNABSOLUT and USER have been selected before input of an upper limit of the flow velocity All measured values exceeding the limit will be marked as outliers Input of 0 zero switches off the detection of outliers activation of the overflow of the totalizers activation o
40. Mounting and Positioning the Transducers 7 6 1 Transducer Distance FEET A value for the transducer distance will be recom mended Mount the transducers on the pipe adjusting Arot HN Reflec this value see section 7 6 2 Press ENTER A measuring channel REFLEC reflection mode DIAGON diagonal mode The transducer distance given here is the distance between the inner edges of the trans ducers A negative transducer distance is possible for a measurement in diagonal mode on very small pipes see Fig 7 1 Note The accuracy of the recommended transducer distance depends on the accuracy of the pipe and medium parameters entered 7 6 2 Mounting the Transducers The transducer will be mounted that the engravings on the transducers form an arrow see Fig 7 2 The arrow does not need to show in flow direction see section 7 8 The transducer cables show then in opposite directions Note The engravings should also form an arrow if the transducers are mounted on opposite sides of the pipe Fig 7 2 Correct positioning of the transducers A transducer distance 34 7 Basic Measurement The transducers will be fixed to the pipe by means of the supplied transducer mounting fixture Rust paint or other deposits on the pipe will absorb the sound signal To reach a maxi mum acoustic contact between pipe and transducers the measuring point as to be pre pared as fol
41. NCTIONNSYSTI n ETTINGS MISCELLANEOUS SYSTEM settings Miscellaneous SETUP DISPLAY CONTRAST gt Lu Select SPECIAL FUNCTION SYSTEM SETTINGSMMIS CELLANEOUS Press ENTER The contrast of the display will be set by the following keys increases the contrast 4 decreases the contrast Note The display will be reset to medium contrast after a cold start 10 5 Instrument Information Special Funct Instrum Inform 5X00 25X00100 V X XX dd mm yy a Oo Select SPECIAL FUNCTION INSTRUM INFORM to ob tain information about the flowmeter Press ENTER Type and serial number of the flowmeter will be displayed in the upper line The firmware version with date is displayed in the lower line Press ENTER 11 SuperUser Modus 11 SuperUser Mode The SuperUser mode allows experimental work Features of the SuperUser mode are Defaults will not be observed There are no plausibility checks when parameters are being entered There is no check whether the entered parameters are within the limit determined by physical laws and technical data The cut off flow is not active A value for the number of sound paths has to entered It is possible to modify the lower limit of the inner pipe diameter for a certain transducer type without activating the SuperUser mode 11 1 Activating Deactivating Enter Hot
42. NTER to optimize the transducer dis tance L 50 0 54 0 mm 54 5 m3 h 37 7 Basic Measurement The optimum transducer distance is calculated on the basis of the measured sound speed It is therefore a better approximation than the first value which had been calculat ed on the basis of the approximate sound speed range entered in the program branch PARAMETER If the difference between optimum and entered transducer distance is less than given in Table 7 1 the measurement is consistent and the measured values are valid The mea surement can be continued If the difference is greater adjust the transducer distance to the displayed optimum val ue Afterwards check the signal quality and the signal amplitude bar graph see section 7 6 4 Press ENTER Table 7 1 Standard values for signal optimization during consistency check transducer type difference between optimum and actual transducer distance Q 6mm M lt 10 mm l Enter the new adjusted transducer distance Press EN Transd Distance TER 50 0 mm Scroll with key again until the transducer distance is E displayed and check the difference between optimum and Sa m3 h adjusted transducer distance Repeat the steps if neces sary Note Never change the transducer distance during measurement without having restarted the consistency check Repeat the steps for all channels on which will be measured 7 6 6 V
43. USER S MANUAL e Fo SONALOK 7S PV1 2EN ca SONALOK 7S 51 52 Series ULTRASONIC FLOWMETER USER S MANUAL EE WHO SONALOK_7S PV1 2EN Remarks IBM is a protected trademark of International Business Machines Corporation MS DOS Excel Windows are trademarks of Microsoft Corporation Die Sprache in der die Anzeigen auf dem EESIFLO erscheinen kann einge stellt werden siehe Abschnitt 6 3 1 EESIFLO can be operated in the language of your choice see section 6 3 1 Il est possible de s lectionner la langue utilis e par EESIFLO a l cran voir section 6 3 1 EESIFLO puede ser manejado en el idioma de su elecci n ver secci n 6 3 1 Table of Contents 1 1 1 2 2 1 2 2 2 3 2 4 3 1 3 2 3 3 3 4 4 1 4 2 5 1 5 2 5 3 5 4 5 5 6 1 6 2 6 3 6 4 7 1 7 2 7 3 7 4 Introd ctlon iui eee eR ET 7 Regarding KUCH 7 Safety Precaution Sisia sles nei di ere eite a dede Deae cabe dE EC 7 Handling DEE 9 First Inspection zii et eite eec e e ees 9 General PreCautions s ssiri senine e aeae agede enin enne ener enne 9 ee EE 9 GIG un EE 9 ek ET EE 10 Measuring Principle eut enee a eee bes 10 Description of the Flowmeter AAA 11 Serials le 12 KeYDO ald C 13 Selection of the Measuring Point 14 Acoustic Penetratlon EE 14 Undisturbed Flow Profile 16 Installatlon TE 19 ele te RE 19 In
44. ain the area average of the flow velocity which is propor tional to the volume flow Sonalok tests with its special electronics the incoming ultrasonic signals for their useful ness for the measurement and evaluates the plausibility of the measured values The in tegrated microprocessor controls the complete measuring cycle eliminating disturbance signals by statistical signal processing techniques AMAL MAT a Fig 3 1 Path of the ultrasonic signal to t t Fig 3 2 Transit time difference At 3 Flowmeter 3 2 Description of the Flowmeter EESIFLO SONALOK 51 Series has 1 measuring channel EESIFLO SONALOK 52 Series has 2 measuring channels 3 2 1 Design The front plate has to be removed to access the command panel Attention The degree of protection of the flowmeter is only guaranteed if the cable glands are tightly screwed and the front plate is tightly screwed with the housing 2x 16 digit LCD display backlit Sonalok 7S 51 Series e ULTRAS NIC L WMETER keyboard RESTART T 1 4 INIT C gt Ee TRANSDUCER P WER SUPPLY BSERVE LABEL MARKED INARY BINARY CURRENT RS485 RWHITE fg T W i d 10 11 12 13 14 1 2 3 4 5 reis E N L PR CESS OUTPUTS SH terminals for trans output terminals power supply terminals ducer connection Fig 3 3 Command panel of Sonalok 7S 51 Series 11 3
45. als are stored in the internal database of Sonalok In the column Gan the sound velocity longitudinal or transversal used for flow measure ment is indicated Sound Velocity of Selected Pipe and Lining Materials Material Ctrans Clon Cflow Material Ctrans Clon Cflow m s m s m s m s aluminum 3100 6300 trans platinum 1670 trans asbestos 2200 trans polyethylene 925 trans cement lead 700 2200 trans polystyrene 1150 trans bitumen 2500 trans PP 2600 trans brass 2100 4300 trans PVC 2395 long carbon steel 3230 5800 trans PVC hard 948 trans copper 2260 4700 trans PVDF 760 2050 long Cu Ni Fe 2510 trans quartz glass 3515 trans ductile iron 2650 trans rubber 1900 2400 trans glass 3400 4700 trans silver 1590 trans grey cast iron 2650 4600 long Sintimid 2472 long PE 1950 long stainless steel 3230 5790 trans Perspex 1250 2730 long Teka PEEK 2537 long PFA 1185 long Tekason 2230 long plastics 1120 2000 long titanium 3067 5955 trans Take into consideration for the measuring task that the sound velocity depends on the composition and the processing of the material The sound velocity of alloys and cast materials will fluctuate over a certain range The values give a rough orientation 89 C Reference Table C 2 Typical Roughness Coefficients of Pipes The values are based on experience and measurements material absolute roughness
46. alue of the Sound Speed The sound velocity of the medium can be displayed during measurement by pressing key If an approximate range for the sound speed has been entered in the program branch PARAMETER and the transducer distance has been optimized afterwards as described in section 7 6 5 it is recommended to note the sound velocity for the next measurement The optimization procedure does not need to be repeated then Also take note of the temperature of the medium as the sound speed depends on the temperature The value can be entered in the program branch PARAMETER 38 7 Basic Measurement 7 7 Start of Measurement The measured values will be displayed in the lower line Press ENTER to return to the fine adjustment of the trans ducer distance see section 7 6 4 A Volume Flow 31 82 m3 h If more than one measuring channel is available activated the flowmeter works with an integrated measuring point multiplexer providing quasi simultaneous measurement on the different measuring channels The flow is measured on one channel for approx 1 second then the multiplexer switches to the next activated channel The measuring time depends on the measuring conditions If e g the measuring signal can not be detected immediately the measurement might take longer than 1 second The results are displayed according to the actually selected output options see chapter 8 The default unit of measurement for the vol
47. alue to 300 m3 h If the volume flow is 300 m3 h a 20 mA signal is transmitted to the output If the volume flow is 0 m3 h a 4 mA signal is transmitted to the output 12 5 Activation of a Pulse Output A pulse output is an integrating output which emits a pulse when volume or mass of the medium which has passed the measuring point reaches a given value PULSE VALUE The integrated quantity is the selected physical quantity Integration is restarted when a pulse is emitted Note The menu item PULSE OUTPUT will be displayed in the program branch oUTPUT OPTIONS only if a pulse output has been installed Output Options for Channel A Pulse Output Bl no gt YES lt Pulse Output NO COUNTING Pulse Value 0 01 m3 Pulse Width 100 ms o Az Select in the program branch OUTPUT OPTIONS the chan nel for which a pulse output has to be activated Press EN TER This display will not be indicated if the flowmeter has only one measuring channel Select YES to activate the output Press ENTER This error message will be displayed if the flow velocity is selected as physical quantity The use of the pulse output is not possible in this case as integration of the flow velocity does not result in a reason able value Enter the PULSE VALUE The unit of measurement of the current physical quantity will be displayed automatically When the totalized physical quantity reach
48. ameter 31 8 mm When the flowmeter switches back to the circumference internally 99 9 mm will be displayed 10 2 2 Transducer Distance Transd Distance auto gt USER lt Transd Distance 50 8 50 0 mm a Az recommended setting USER USER Will be selected if the measuring point is always the same AUTO can be selected if the measuring point changes of ten If the recommended and the entered transducer distance are not identical the recommended value will be displayed in parentheses followed by the entered transducer dis tance in the program branch MEASURING 10 Settings During transducer positioning in the program branch MEA SURING Transd Distance 504 8 mm only the entered transducer distance will be displayed if TRANSD DISTANCE USER is selected and the recom mended and the entered transducer distances are iden tical only the recommended transducer distance will be dis played if TRANSD DISTANCE AUTO is selected 10 2 3 Error Value Delay The error value delay is the time after which an error value will be sent to an output if no valid measured values are available Select EDIT to enter an error value delay Select DAMPING if the damping value is to be used as error value delay For further information on the behavior of missing mea sured values see sections 12 1 2 and 12 2 10 2 4 Alarm State Indication Select oN to displ
49. antees that the sound signal will be received under optimum conditions and evaluat ed correctly Because of the variety of applications and the different factors influencing the measure ment there can be no standard solution for the transducer positioning The correct posi tion of the transducers will be influenced by the following factors diameter material lining wall thickness and form of the pipe medium presence of gas bubbles in the medium Note Avoid measuring points in the vicinity of deformations and defects of the pipe and in the vicinity of weldings Avoid locations where deposits are building in the pipe Make sure that the ambient tem perature at the selected location is within the operating temperature range of the trans ducers see annex A Technical Data 4 1 Acoustic Penetration It must be possible to penetrate the pipe with acoustic signals at the measuring point The acoustic penetration is reached when pipe and medium do not attenuate the sound signal so strongly that it is completely absorbed before reaching the second transducer The attenuation of pipe and medium depends on kinematic viscosity of the medium proportion of gas bubbles and solids in the medium deposits on the inner pipe wall pipe material The following conditions have to be respected at the measuring point the pipe is always filled completely no solid deposits are building no bubbles accumu
50. ated if the flowmeter has only one measuring channel or only one measuring channel is active BREAK MEASURE Stop measuring and return to main menu 9 2 Damping Factor Each displayed measured value is the floating average of all measured values of the last x seconds where x is the damping factor A damping factor of 1 s means that the mea sured values are not averaged as the measuring rate is approx 1 s The default value of 10 s is appropriate for normal flow conditions Strongly fluctuating values caused by high flow dynamics require a larger damping fac tor Select the program branch OUTPUT OPTIONS Press ENTER until the menu item DAMP ING is displayed 44 9 Advanced Measuring Functions Enter the damping factor Values between 1 s and 100 s Damping will be accepted Press ENTER 10 Press key BRK to return to the main menu 9 3 Totalizers Total volume or mass of the medium at the measuring point can be determined There are two totalizers one for the positive flow direction one for the negative flow di rection The unit of measurement used for totalization corresponds to the volume or mass unit selected for the physical quantity The value of a totalizer consists of max 11 digits including max 3 decimal places SE Scroll in the upper line with key to display the totaliz ers 54 5 m3 h S The value of the totalizer will be displayed in the upper line a Us e SE here
51. ay the alarm state during measurement SHOW RELAIS STAT off gt ON lt Fur further information on alarm outputs see section 12 6 Note All changes will be stored now at the end of the configuration dialog 10 3 Measurement Settings Select in SPECIAL FUNCTION SYSTEM SETTINGS the list item MEASURING Press ENTER SYSTEM settings f Measuring Note The settings of the menu item MEASURING Will be stored at the end of the dialog If the menu item is left before the end of the dialog the settings will not be effective A lower limit for the flow velocity can be entered see sec Cut off Flow tion 9 5 absolut gt SIGN lt Cut off Flow factory gt USER lt 55 10 Settings Velocity limit 24 0 m s Quant wrapping off gt ON lt Quantity recall An upper limit for the flow velocity can be entered see section 9 4 Values between 0 1 m s and 25 5 m s will be accepted Enter 0 zero to switch off the flow velocity check Select the overflow behavior of the totalizers see section 9 3 2 Select ON to keep the previous totalizer values after restart of the measurement off gt ON lt Select OFF to reset to zero the totalizers after restart of the measurement Note All changes will be stored now at the end of the dialog 10 4 Setting the Contrast The contrast of the display of the flowmeter can be set in SPECIAL FU
52. c Measurement 7 5 Define Number of Sound Paths The sound path is the number of the transits of the ultrasonic waves through the medium in the pipe At an odd number of transits diagonal mode the transducers will be mounted on oppo site sides of the pipe At an even number of transits reflection mode the transducers will be mounted on the same sides of the pipe eflection mode number of sound paths 2 diagonal mode number of sound paths 3 diagonal mode number of sound paths 1 negative transducer distance Fig 7 1 Sound path and transducer distance A An increased number of transits means increased accuracy of the measurement Howev er the increased transit distance leads to a higher attenuation of the signal The reflec tions on the opposite pipe wall and deposits on the inner pipe wall cause additional am plitude losses of the sound signal If the signal is attenuated strongly by the medium the pipe deposits etc the number of sound paths has to be set to 1 if necessary Note Correct positioning of the transducer is easier for an even number of transit paths than for an odd number A value for the number of sound paths corresponding to the connected transducers and the entered parameters will be recommended Change the value if necessary Press ENTER A Sound Path 4 NUM 33 7 Basic Measurement 7 6
53. channels only calculation channels e HumanMux mode With the command gt MUX AUTO HUMAN will be toggled between the modes see sec tion 9 1 8 2 1 AutoMux Mode In AutoMux mode the display and the measuring process are synchronized The chan nel on which is currently measured will be displayed at the left side of the upper line A B etc The measured values will be displayed as configured in the program branch OUTPUT OPTIONS see section 8 1 When the multiplexer switches to the next channel the dis play is actualized A Volume Flow B Flow Velocity 54 5 m3 h T5225 m s The AutoMux mode is the default display mode It will be activated automatically after a cold start All Channels The measured values of all channels measuring and calculation channels will be dis played The next activated measuring channel will be switched to after min 1 5 seconds Only Calculation Channels The measured values of the calculation channels will be displayed only The next active calculation channel will be switched to after min 1 5 seconds Note This mode can only be activated if min two calculation channels are activated 41 8 Displaying the Measured Values 8 2 2 HumanMux Mode The measured values of one channel will be displayed in HumanMux mode The mea surement on the other channels will be continued but not displayed The selected channel will be displayed at the left side of B Flow
54. e volume flow or the mass flow but not the flow velocity The physical quanti ties of the measuring channels do not need to be identical channel A mass flow channel B volume flow z Select the unit of measurement Press ENTER Mass in f kg h Two cut off flows for each calculation channel can be defined They will be defined in the unit of measurement of the physical quantity selected for the calculation channel All positive calculated values below the limit will be set to Cut off Flow 1 00 kg h All negative calculated values exceeding the limit will be Cut off Flow set to 0 2 00 kg h 9 6 4 Measuring with Calculation Channels Select the program branch MEASURING Press ENTER par MEA opt sf Measuring Activate the desired channels Calculation channels will be HANNS GE activated or deactivated like a measuring channel Press MEASUR v Y Vv ENTER Q EE If a measuring channel is not activated although being i M used for an activated calculation channel a warning will be Be INACTIV displayed Press ENTER Position the transducers for all activated measuring channels The measurement will be started automatically afterwards When a calculation channel has been activated the Hu manMux mode see section 8 2 2 will be selected at the beginning of the measurement and the values of the cal culation channel will be displayed If the AutoMux mode is selected the measured values of the m
55. e flow will be calculated by multiplying the flow velocity by the cross section of the pipe mass flow will be calculated by multiplying the operational volume flow by the opera tional density of the medium The physical quantity will be selected as follows Select the program branch OUTPUT OPTIONS Press EN par mea gt OPT lt sf TER Output Options Select the channel for which the output options are to be Output Options ser Press ENTER for Channel A s EN This display will not be indicated if the flowmeter has only one measuring channel SE dE Select the physical quantity in the scroll list Press ENTER Volume Flow For the selected physical quantity a scroll list with the available units of measurement is displayed The previous ly selected unit of measurement is displayed first Volume in f m3 h Select the unit of measurement for the selected physical quantity Press ENTER Return to the main menu by pressing key BRK The further menu items of the program branch OUTPUT OPTIONS are for the activation of the measured value output Note If the physical quantity or the unit of measurement is changed the settings of the outputs have to be checked see chapter 12 A o 8 Displaying the Measured Values 8 2 Toggling between the Channels If more than one channel is available activated the display for the measured values can be adapted as follows e AutoMux mode all
56. e than 24 hours without visible modification Autotex is resistant according to DIN 42115 hour without visible damage Autotex is not resistant to following chemicals concentrated alkaline solutions 92 ethanol cyclohexanol diacetone alcohol glycol isopropanol glycerine methanol triacetin Dowandol DRM PM acetone methyl ethyl ketone Dioxan cyclohexanone MIBK isophorone ammonia 40 96 soda lye 40 96 potassium hydroxide 30 96 alcalicarbonate bichromate potassium hexacyanoferrates acetonitrile sodium bisulfate formaldehyde 37 42 acetaldehyde aliphatic hydrocarbons Toluol Xylol diluent white spirit formic acid 50 96 acetic acid 50 96 phosphoric acid 30 96 hydrochloric acid 36 96 concentrated mineral acids high pressure steam gt 100 C D D D nitric acid lt 10 trichloroacetic acid lt 50 sulphuric acid lt 10 drilling emulsion diesel oil varnish paraffin oil castor oil silicone oil turpentine oil substitute Dccon plane fuel gasoline water saltwater 1 1 1 trichlorethane ethyl acetate diethyl ether N butyl acetate amyl acetate butylcellosolve ether chlornatron 20 96 hydrogen peroxide 25 potash soft soap detergent tensides softener iron chloride FeCl iron chloride FeCla dibutyl phthalate dioctyl phthalate Sodium carbonate part 2 to acetic acid for a contact time 1 benzyl alcohol methylene chloride
57. easuring channels but not of the calculation chan nels will be displayed alternately Y Flow Velocity 53 41 m s Press key bad to display the calculation function 53 41 m s Press key 4 to display the measured values of the var ious channels a o 9 Advanced Measuring Functions 9 7 Change of Limit for the Inner Pipe Diameter It is possible to modify the lower limit of the inner pipe diameter for a certain transducer type The setting is cold start resistant Enter HotCode 071001 see section 6 3 Enter the lower limit of the inner pipe diameter for the dis EE played transducer type Press ENTER to select the next 28 mum transducer type Values between 3 mm and 63 mm will be accepted Attention If a transducer is used below its recommended inner pipe diameter a measurement might be impossible 9 8 Program Code A current measurement can be protected from an inadvertent intervention by a program code If a program code was defined it will be requested as soon as there is an intervention in the measurement a command or key BRK If a program code is active the message PROGRAM CODE ACTIVE Will be displayed when a key is pressed To start a command it is sufficient to enter the first three digits of the program code access code To interrupt a current measurement the complete program code has to be entered break code The input of a program code will be interrupted by
58. ed only if OTHER MEDIUM has been selected selection whether the pipe is lined Lining no gt YES lt uning selection of the lining material Bitumen This display is indicated only if LINING YES has been selected z input of the sound velocity of the lining material c Material 3200 0 m s This display is indicated only if OTHER MATERIAL has been selected z input of the liner thickness Liner Thickness w e mm 81 B Menu Structure input of the roughness of the inner pipe wall Roughness 0 4 mm f selection of the medium Medium D Water z input of the min sound velocity of the medium c Medium MIN 1400 0 m s This display is indicated only if OTHER MEDIUM has been selected x input of the max sound velocity of the medium c Medium MAX 1550 0 m s This display is indicated only if OTHER MEDIUM has been selected z i input of the kinematic viscosity of the medium Kinem Viscosity 1 00 mm2 s This display is indicated only if OTHER MEDIUM has been selected input of the operational density of the medium Density 1 00 g cm3 This display is indicated only if OTHER MEDIUM has been selected z input of the medium temperature Medium Temperat 20 0 C input of the additional transducer cable length Additional cable 65 0 m When a calculation channel is selected Y Z Calculation channels are only available if the flowmeter has more than
59. ed output in the program branch OUTPUT OPTIONS 12 1 Installation of an Output The outputs will be installed in the program branch SPECIAL FUNCTION SYSTEM SET TINGSNPROC OUTPUTS Note The configuration of an output will be stored at the end of the dialog If the dialog is left by pressing key BRK the changes will not be stored a i Select in SPECIAL FUNCTION SYSTEM SETTINGS the list item PROC OUTPUTS Press ENTER SYSTEM settings Proc outputs Select the output to be installed The scroll list contains all actually available outputs A tick V after a list item indicates that this output has al ready been installed Press ENTER This display is indicated if the output has not been installed SES yet Select YES Press ENTER no gt YES lt Install Output Current I1 H If the output is already installed select No to reconfigure it or YES to deinstall the output and to return to the previous menu item to select another output Press ENTER Il disable gt NO lt yes Select in the scroll list the measuring channel to be as signed as source channel to the output Press ENTER This display will not be indicated if the flowmeter has only one measuring channel or only one measuring channel is active Il Source chan 2 Channel A Select the physical quantity source item to be transmitted Il Source item from the source channel to the
60. eral months gt 100 C for normal transducers or gt 200 C for high temperature transducers The flowmeter has to be sent to EESIFLO for recalibration under reference conditions The display does not work at all or always fails Make sure that the correct voltage is available at the terminals The voltage is indicated on the metal plate below the outer right terminal strip If the power supply is ok the trans ducers or an internal component of the flowmeter are defective Transducers and flow meter have to be sent for repair to EESIFLO The message SYSTEM ERROR is displayed Press key BRK to return to the main menu If the message is displayed repeatedly note the number in the lower line Track down the situations when the error is displayed Contact EESIFLO The flowmeter does not react when key BRK is pressed during measurement A program code has been defined Press key C and enter the program code The backlight of the display does not light but all other functions are available The backlight is defective This problem has no influence on the other functions of the display Send the flowmeter to EESIFLO for repair Date and time are wrong The data backup battery has to be replaced Send the flowmeter to EESIFLO An output does not work Make sure that the outputs are configured correctly Check the function of the output as described in section 12 1 3 If the output is defective contact EESIFLO 71 13 Troubleshooting
61. es the pulse val ue a pulse will be emitted Enter the PULSE WIDTH Values between 80 ms and 1000 ms will be accepted The range of possible pulse widths depends on the specifi cations of the instrument e g counter PLC which will be connected with the pulse output 12 Outputs The max flow that the pulse output can work with will be displayed now This value is cal culated from the data given for pulse value and pulse width If the flow exceeds this value the pulse output will not function properly In such a case the pulse value and pulse width should be adapted to the flow conditions Press ENTER 12 6 Activation of an Alarm Output Note The menu item ALARM OUTPUT will be displayed in the program branch OUTPUT OPTIONS only if an alarm output is installed Max 3 alarm outputs R1 R2 R3 per channel operating independently of each other can be configured The alarm outputs can be used to output information on the current mea surement or to start and stop pumps motors etc 12 6 1 Alarm Properties The switching condition the holding behavior and the switching function can be defined for an alarm output Table 12 3 Alarm properties alarm property setting description FUNC MAX The alarm will switch when the measured value ex switching condition ceeds the upper limit MIN The alarm will switch when the measured value falls below the lower limit 9 9 The
62. f the taking over of the totalizer values after re start of the measurement OUTPUTS selection of the displays for the setting of the outputs of the flowmeter selection of the output to be installed 87 B Menu Structure SYSTEM SETTINGS MISCELLANEOUS SYSTEM settings Miscellaneous SETUP DISPLAY CONTRAST gt Input a HOTCODE no gt YES lt Please input a HOTCODE 000000 INSTRUM INFORM Special Funct Instrum Inform 5X00 25xX00100 V X XX dd mm yy PROGRAMMIER CODE Special Funct Set program code 88 selection of the display for the setting of the contrast setting of the contrast of the display confirmation that a HotCode has to be entered input of a HotCode selection of the displays for the information about the flow meter display of type serial number and firmware version with date dd day mm month yy year selection of the displays for input of a program code input of the program code input of the break code program code input of the access code the first three digits of the pro gram code C Reference C Reference The following tables provide assistance for the user The accuracy of the data depends on the composition the temperature and the manufacturing process of the material EESIFLO does not assume liability for any inaccuracies Table C 1 at 20 C The values of some of these materi
63. fore the end of the dialog the settings will not be effective 53 10 Settings 10 2 1 Pipe Circumference Pipe Circumfer off gt ON lt Outer Diameter 100 0 mm Pipe Circumfer 314 2 mm Pipe Circumfer 180 mm Outer Diameter Select on if the pipe circumference has to be entered in stead of the pipe diameter in the program branch PARAME TER The setting is cold start resistant Press ENTER If ON has been selected for PIPE CIRCUMFER the outer pipe diameter will be requested in the program branch PA RAMETER nevertheless To change to the menu item PIPE CIRCUMFER enter 0 zero Press ENTER The value displayed in PIPE CIRCUMFER is calculated on the basis of the last displayed value of the outer pipe di ameter example 100 mm x 2 314 2 mm Enter the pipe circumference The parameter limits for the circumference are calculated on the basis of the limits for the outer pipe diameter During the next scroll through the program branch PARAM ETER the outer pipe diameter corresponding to the en SUPER mm ered pipe circumference will be displayed example 180 mm x 57 3 mm Note The circumference is edited temporarily only When the flowmeter switches back to the display of the pipe circumference internal recal culation slight rounding errors may occur example entered circumference 100 mm displayed outer pipe di
64. front plate is tightly screwed with the housing Connecting the Transducer Cable to the Flowmeter Prepare the connection cable as shown in Fig 5 4 Remove the outer left blind plug from the housing see Fig 3 3 or Fig 3 4 Open the cable gland see Fig 5 3 The compression part 2 remains in the cap nut 1 1 2 Fig 5 3 Cable gland cap nut 1 compression part 2 basic part 3 20 5 Installation the rim of the compression part is flush with the outer cable sheath i af mmm Fig 5 4 Connection of the transducers to the flowmeter Press the cap nut 1 with the compression part 2 on the cable until the thin rim of the compression part is flush with the outer cable sheath see Fig 5 4 and Fig 5 3 Cut the outer shield of the transducer cable and brush it back Note For good high frequency shielding it is important to assure good con tact between the cable shield and the cap nut and thus the housing Screw the basic part 3 with the housing Insert the end of the transducer cable with the uninsulated leads in the housing Fix the cable gland by screwing the cap nut 1 on the basic part 3 Connect the leads to the terminals of the flowmeter see Fig 5 5 or Fig 5 6 10 11 12 13 14 UE d U Fig 5 5 Connection of the transducer cable with So
65. h All flow velocities below the cut off flow are set to zero All derived values are set to zero as well To measure at small flow velocities the cut off flow default 2 5 cm s must be set to an appropriate low value The entered pipe roughness is inappropriate The flow velocity to be measured is outside the measuring range of the flowmeter The measuring point is not appropriate Select another measuring point to check whether the results are better The cross sec tion of the pipe is never perfectly circular thus influencing the flow profile Change the transducer position according to the pipe deformation 74 13 Troubleshooting 13 6 Problems with the Totalizers The totalizer values are too high See SPI ECIAL FUNCTION SYST EM S ETTINGSMMI EASURINGNQUANTITY RI ECALL If this menu item is activated the totalizer values will be stored The totalizer will take this value at the start of the next measurement The totalizer values are too low One of the totalizers has reached the upper limit and has to be reset to zero manually The sum of the totalizers is not correct See SPECIAL FUNCTION SYST M SETTINGSMMI EASURINGNQUANT WRAPP ING The output sum of both totalizers is not valid after the overflow wrapping of one of the total izers 75 A Technical Data A Technical Data Subject to modifications without prior notice SONALOK 7S 51 52 SER
66. he error output Press ENTER Error value f inimum 4 0mA e If OTHER VALUE is selected enter an error value It Error value has to be within the limits of the output Press ENTER Co Wu mA Note The settings will be stored now at the end of the dialog The terminals to be used are now displayed here P1 und P1 for the active current loop Press ENTER Il active loop Klemmen P1 P1 12 1 3 Function Test The function of the installed output can now be tested Connect a multimeter to the in stalled output 61 12 Outputs Test of the Analog Outputs The current output is tested in the example Enter a test EEN Test value It has to be within the output range Press ENTER 4 mA eg T If the multimeter displays the entered value the output works Again no gt YES lt Select YES to repeat the test NO to return to SYSTEM SETTINGS Press ENTER Test of the Binary Outputs Select REED RELAIS OFF in the scroll list OUTPUT TEST to test the de energized state of the output Press ENTER Measure the resistance at the output The value has to be high ohmic Select YES Press ENTER Bl Output Test f Reed Relais OFF B1 OFF Again no gt YES lt Select REED RELAIS ON in the scroll list OUTPUT TEST to test the energized state of the output Press ENTER Measure the resistance at the output The value has to be
67. ing channel totalizing online output outputs etc can be done with the values of a calculation channel too 9 6 1 Characteristics of the Calculation Channels Inthe program branch PARAMETER the measuring channels to be used for the calcula tion and the calculation function have to be entered A calculation channel can not be attenuated The damping factor has to be set sepa rately for each of the two measuring channels Two cut off flows for each calculation channel can be defined The cut off flow is not based on the flow velocity as for measuring channels Instead it will be defined in the unit of measurement of the physical quantity selected for the calculation channel Dur ing measurement the calculated values are compared to the cut off flow values and set to zero if necessary Acalculation channel provides a valid measured value if both measuring channels pro vide valid measured values 9 6 2 Parameterization of a Calculation Channel Select a calculation channel Y or Z in the program branch Parameter PARAMETER Press ENTER for Channel K SUPER The current calculation function will be displayed Press ENTER to edit the function 9 Advanced Measuring Functions EE Three scroll lists are displayed in the upper line A 2 B e selection of the first measuring channel CH1 selection of the calculation function FUNCT selecton of the second measuring channel CH2 Select
68. l or transver sal velocity which is nearer to 2500 m s For the sound velocity of some materials see annex C Table C 1 7 1 4 Pipe Lining If the pipe has an inner lining select YES Press EN Lining TER no gt YES lt If No is selected the next parameter will be displayed see section 7 1 5 Select the medium from the scroll list lining Bitumen If the material is not in the scroll list select OTHER MA TERIAL Press ENTER 29 7 Basic Measurement If OTHER MATERIAL is selected the sound velocity has to be entered aT Enter the sound velocity of the lining material Values Ee between 600 0 m s und 6553 5 m s will be accepted 3200 0 m s Press ENTER For the sound velocity of some materials see annex C Table C 1 e e Enter the thickness of the liner Default is 3 0 mm Liner Thickness 3 0 mm Press ENTER Note The inner diameter outer diameter 2x pipe wall thickness 2x lin er thickness will be calculated internally If the value is not within the inner pipe diameter range of the connected transducers an error message will be displayed 7 1 5 Pipe Roughness The flow profile of the medium is influenced by the roughness of the inner pipe wall The roughness will be used for the calculation of the profile correction factors As the pipe roughness can not be exactly determined in most cases it has to be estimated For the roughness
69. late Note Even bubble free media can form gas pockets when the medium ex pands e g before pumps and after great cross section extensions Observe the notes in Table 4 1 4 Selection of the Measuring Point Table 4 1 Measuring points to be avoided Free supply or return pipe section Select the measuring point at a pipe location where the pipe can not run empty correct disadvantageous correct disadvantageous A Vertical pipe Select the measuring point at a pipe location where the medium flows upward The pipe must be completely filled correct disadvantageous 15 4 Selection of the Measuring Point Table 4 1 Measuring points to be avoided Horizontal pipe Select a measuring point where the transducers can be mounted on the side of the pipe so that the sound waves propagate horizontally in the pipe Thus solids deposited on the bottom of the pipe and the gas pockets developing at the top will not influence the propagation of the signal correct disadvantageous 4 2 Undisturbed Flow Profile Many flow elements elbows slide valves valves control valves pumps reducers dif fusers etc cause a distortion of the flow profile The axisymmetrical flow profile needed for correct measurement is no longer given A careful selection of the measuring point helps to reduce the impact of disturbance sources It is most important that the measuring point is chose
70. list item is displayed between arrows Scroll with key L and to select a list item in the lower Lintang line Press ENTER no gt YES lt In some menu items there is a horizontal scroll list in the upper line The selected list item is displayed in capital letters between arrows The current value of the list item is displayed in the lower line Scroll with key gt to select a list item in the upper line RI FUNC typ mode Function MAX Scroll with key 4 to select a value for the selected list item in the lower line Press ENTER 6 3 HotCodes A HotCode is a key sequence activating some settings language selection see section 6 3 1 Switching on the SuperUser mode see chapter 11 e manual input of the lower limit for the inner pipe diameter see section 9 7 Select SPECIAL FUNCTION SYSTEM SETTINGSMMIS CELLANEOUS SYSTEM settings Miscellaneous e Select YES to enter a HotCode Input a HOTCODE no gt YES lt s Enter the HotCode Press ENTER Please input a HOTCODE 000000 An error message will be displayed if a HotCode not valid PAVAT ee eee is entered Press ENTER HOTCODE 000000 Select YES to enter the HotCode again or No to return the menu item MISCELLANEOUS Input a HOTCODE no gt YES lt N o 6 Start up 6 3 1 Language Selection Sonalok can be operated in the languages listed below The language can be selected
71. ll be ac cepted Press ENTER after each input c Medium MIN 1400 0 m s 7 2 2 Kinematic Viscosity The kinematic viscosity influences the flow profile of the medium The entered value and other parameters will be used for the profile correction This display is indicated only if OTHER MEDIUM has been selected Enter the kinematic viscosity of the medium Values be tween 0 01 mm s and 30 000 00 mm s will be accept T 00 aimas ed Press ENTER Kinem Viscosity 7 2 3 Density The density of the medium has to be entered The mass flow will be calculated on the ba sis of the density product of volume flow and density This display is indicated only if OTHER MEDIUM has been selected Note If the mass flow is not measured press ENTER The other measur ing results will not be influenced e Enter the operating density of the medium Density 1 00 g cm3 Values between 0 01 g cm and 20 00 g cm will be ac cepted 7 2 4 Medium Temperature The medium temperature is used for the interpolation of the sound velocity and for the calculation of the recommended transducer distance at the beginning of the measure ment During measurement the medium temperature will be used for the interpolation of densi ty and viscosity of the medium Enter the medium temperature The value must be within the operating temperature range of the trans poe ducers Default is 20 C Press ENTER
72. lows Clean the pipe at the transducer positions Remove rust or loose paint An existing paint layer on the pipe should be sanded for a better measuring result Use coupling foil or apply a bead of acoustic coupling compound along the center line onto the contact surface of the transducer Do not spread the acoustic coupling com pound on the contact surface but press the transducer on the pipe at the measuring point There should be no air pockets between transducer contact surface and pipe wall Make sure that the transducer mounting fixture applies the necessary pressure on the transducers 7 6 3 Mounting the Transducers with Transducer Shoes and Tension Straps Mounting fixtures will be subjected to change with without any prior notices Cut the tension straps pipe circumference 120 mm Make sure that part 2 of the clasp is on top of part 1 see Fig Fig 7 3 The hooks of part 2 must be on the outer side of the clasp Pull approx 2 cm of the tension strap through the slot of the clasp see Fig 7 4 to fas ten the strap to the clasp Bend the strap end back to fasten the strap to the clasp Guide the free end of the ten sion strap through the groove on the top of the transducer shoe Place the clasp on the side of the pipe just in front of you Lay the tension strap around the pipe see Fig 7 5 Place the transducer shoe on the pipe Hold clasp and transducer shoe with one hand while pushing the tension strap
73. n at a sufficient distance from any disturbance source Only then it can be assumed that the flow profile in the pipe is fully developed However Sonalok will give you significant measuring results even under non ideal measuring conditions if e g a medium contains a certain proportion of gas bubbles or solids or the recommended distances to disturbance sources can not be observed for practical reasons Recommended straight inlet and outlet pipe lengths are given for different types of flow disturbance sources in the examples in Table 4 2 Table 4 2 Recommended distance from disturbance sources D nominal pipe diameter at the measuring point L recommended distance disturbance source 90 elbow supply L gt 10D return L 2 5D L Lt SS Ne 4 Selection of the Measuring Point disturbance source 2x 90 elbows in one plane supply L gt 25D return L gt 5D GaP disturbance source 2x 90 elbows in different planes supply L gt 40D return L gt 5D TK i l ge disturbance source T piece supply L gt 50D return L gt 10D E j E Eu ESCH disturbance source diffuser supply L gt 30D return L gt 5D F g EEN 17 4 Selection of the Measuring Point disturbance source reducer supply L 2 10D return L gt 5D disturbance source valve supply L 2 40D er return L 2 10D
74. nalok 7S 51 Series hu w 1 10 au 2u 20 20 Fig 5 6 Connection of the transducer cable with Sonalok 7S 52 Series 21 5 Installation 5 4 Connection with the Power Supply terminal strip KL3 meter can be interrupted rapidly at any time The switch must be lo cated near the flowmeter Use a switch with appropriate disconnec tion effect i Install an external safety switch so that the power supply of the flow Prepare the power cable with a M20 cable gland Remove the outer right blind plug from the housing see Fig 3 3 or Fig 3 4 Screw the gasket ring side of the basic part 3 in Fig 5 3 in the housing Push the cable through the basic part 3 in the housing Fix the cable gland by screwing the cap nut 1 on the basic part 3 Connect the leads to the terminals of the flowmeter see Table 5 1 Table 5 1 Connection with the power supply Terminal connection AC connection DC PE earth earth N neutral DC L Phase 100 230 V AC 50 60 Hz DC 5 5 Connection of the Outputs terminal strip KL2 Prepare the output cable with a M20 cable gland Remove the second filler plug on the right from the housing see Fig 3 3 or Fig 3 4 Screw the gasket ring side of the basic part 3 in Fig 5 3 in the housing Push the cable through the basic part 3 in the housing Fix the cable gland by screwing
75. of the measured value will be com pared to the cut off flow Select FACTORY to use the default value of 2 5 cm s 0 025 m s for the cut off flow Select USER to enter the cut off flow Press ENTER Cut off Flow factory gt USER lt If CUT OFF FLOW SIGN and USER are selected two values have to be entered Enter the cut off flow for positive measured values All positive values of the flow velocity less than this limit will be set to zero Cut off Flow 2 5 cm s Enter the cut off flow for negative measured values All negative values of the flow velocity greater than this limit will be set to zero Cut off Flow 2 5 cm s If CUT OFF FLOWNABSOLUT and USER is selected only one value has to be entered The limit will be compared to the absolute value of the EEN measured flow velocity 225 cm s 47 9 Advanced Measuring Functions 9 6 Calculation Channels Note Calculation channels are only available if the flowmeter has more than one measuring channel In addition to the ultrasonic measuring channels Sonalok has two virtual calculation channels Y and Z The measured values of the measuring channels A and B will be summed up by the calculation channels The result of the calculation is the measured value of the selected calculation channel This measured value is equivalent to the measured values of a measuring channel All operations with the measured values of a measur
76. of the transducers and of the flowmeter An error message will be displayed if the limits are exceeded MINIMUM and MAXIMUM plausibility check 7 1 Input of the Pipe Parameters The entered outer diameter in the example is too high Outer Diameter 1100 0 MAXIMAL The upper limit of this parameter is displayed example 1100 0 mm for the connected transducers and for a pipe wall thickness of 50 mm Note The parameters will be stored only if the program branch PARAME TER is finished completely once Select the program branch PARAMETER Press ENTER gt PAR lt mea opt sf Parameter Select the channel for which parameters are to be en ood 9 tered Press ENTER for Channel A This display will not be indicated if the flowmeter has only one measuring channel 7 1 1 Outer Pipe Diameter Pipe Circumference z Enter the outer pipe diameter Press ENTER Outer Diameter 100 0 mm Note If the entered outer diameter is gt 4000 mm only a measurement in diagonal mode will be possible see section 7 5 It is possible to enter the pipe circumference instead of the outer pipe diameter see sec tion 10 2 1 The setting is cold start resistant It will be activated in the program branch SPECIAL FUNCTION If the input of the pipe circumference has been activated and 0 zero is entered for the OUTER DIAMETER the menu item PIPE CIRCUMFER will be displayed automatically
77. puts with switching condition gt and type HOLD will be activated after the first change of the flow direction They can be switched back by pressing key C three times see Fig 12 2 A FLOW t FLOW type NON HOLD type HOLD N rar EA approx 1s Tes reset of the alarm Fig 12 2 Behavior of a relay when the flow direction changes If there is an internal adaptation to changing measuring conditions e g to a considerable rise of the medium temperature the alarm will not switch Alarm outputs with the switch ing condition OFF will be set automatically to the switching function NO CONT 12 7 5 Alarm State Indication Note There is no visual or acoustic indication of alarm switching The state of the alarm can be displayed during measurement This function will be acti vated in SPECIAL FUNCTION SYSTEM SETTINGS DIALOGS MENUS The setting is cold start resistant Select the menu item SHOW RELAIS STAT Select ON to activate the display of the alarm state SHOW RELAIS STAT off gt ON lt Scroll during measurement with key until the state of alarm is displayed in the upper line 69 12 Outputs RX example R1 Table 12 1 Pictograms in the display of the state of alarm is a pictogram according to Table 12 1 no switching condi tion FUNC OFF
78. r graph display all alarms outputs switch back to the programmed idle state If the bar graph is selected during measurement all alarm outputs switch back to the pro grammed idle state An alarm output of type HOLD being activated during the previous measurement remains in the idle state after transducer positioning if the switching condition is not anymore met Switching of the alarms into the idle state will not displayed 12 7 4 Alarm Outputs during Measurement An alarm output with switching condition MAX or MIN will be updated max once per sec ond to avoid humming i e fluctuation of the measured values around the value of the switching condition 68 12 Outputs An alarm output of type NON HOLD will be activated if the switching condition is met It will be deactivated if the switching condition is not met anymore The alarm remains acti vated min 1 second even if the switching condition is met shorter Alarm outputs with switching condition QUANTITY Will be activated immediately when the limit is reached Alarm outputs with switching condition ERROR will be activated only after several unsuc cessful measuring attempts Therefore typical short term disturbances of the measure ment e g switching on of a pump will not activate the alarm Alarm outputs with switching condition 9 gt and type NON HOLD will be activated with each change of the flow direction for approx 1 second see Fig 12 2 Alarm out
79. see section 9 4 f no exclamation mark is displayed a measurement at the selected measuring point is impossible Loss of signal during measurement f the pipe had been run empty and then has filled up again Was there no measuring signal afterwards Contact EESIFLO Wait briefly until the acoustic contact is reestablished The measurement can be tem porarily impossible by a high proportion of gaseous or solid particles in the medium The measuring values substantially differ from the expected values Wrong measured values are often caused by wrong parameters Make sure that the parameters entered are correct for the measuring point f the parameters are correct see section 13 5 for the description of typical situations in which wrong measured values are obtained 72 13 Troubleshooting 13 2 Correct Selection of the Measuring Point Make sure that the recommended min distance to any disturbance source is respect ed see Table 4 2 in chapter 4 Avoid locations where deposits are building in the pipe Avoid measuring points in the vicinity of deformations and defects of the pipe and in the vicinity of weldings Measure the temperature at the measuring point and make sure that the transducers are appropriate for this temperature Make sure that the outer pipe diameter is within the measuring range of the transduc ers When measuring on horizontal pipes the transducers have to be mounted to the side of
80. stallation EE 19 Connection of the Transducers terminal strip Kl 1 20 Connection with the Power Supply terminal strip Kl 3 22 Connection of the Outputs terminal strip Kl 2 22 le ET EE 24 SWITCHING KT ssn nce ee n Pe ER et 24 Me 24 HotCodes urea tnmen bene eis 26 Interruption of the Power Supply ssseeeneeeneneennene 27 Basic Measurement Auen 28 Input of the Pipe Parameters nennen 28 Input of the Medium Parameters AAA 30 Other Parameters oet teet EE tes ca aedi edet ioter 32 Selection of the Channels geed eei REESEN EA 32 7 5 7 6 7 7 7 8 7 9 8 1 8 2 8 3 8 4 8 5 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 10 10 1 10 2 10 3 10 4 10 5 11 11 1 11 2 12 12 1 12 2 12 3 12 4 Define Number of Sound Paths cccccccccccccccceseesescsssseeeeeeeeeeeeeeeeeeeceesesseesereeas 33 Mounting and Positioning the Transducers AA 34 Start of Measuremeht 2 Dee pt ERROR ENEE 39 Recognition of Flow Direction eee eeesceeeeseeeeeeneeeeneeeeeeneeeeeaeeeseaeeeeeneeessnaeereneees 39 Stopping of Measurement 39 Displaying the Measured Values AA A0 Selection of the Physical Quantity and of the Unit of Measurement 40 Toggling between the Channels sse 41 Setting the Display EE 42 TALUS EG esconde dl pen bra e elato edid 42 Transducer Distance deerit a d Re ERR REES 43 Advanced Measuring Functions A 44 Command Execution during Measurement
81. t 10 00 Low Limit 10 00 MAX m3 h m3 h Quantity Limit 1 00 R1 Hysterese 1 00 m3 m3 h activation of an alarm output This display is indicated only if an alarm output has been installed in SPECIAL FUNCTION SYSTEM SET TINGS PROC OUTPUTS selection of the switching condition FUNC of the holding behavior TYP and of the switching function MODE of the alarm output This display only is indicated if ALARM OUTPUT has been activated selection of the physical quantity to be monitored This display only is indicated only for R1 if an ALARM OUTPUT is activated input of the upper limit of the physical quantity to be moni tored This display is indicated only if ALARM OUTPUT has been activated and MAX has been selected as switching condi tion input of the lower limit of the physical quantity to be moni tored This display is indicated only if ALARM OUTPUT has been activated and MIN has been selected as switching condi tion input of the limit for the totalizer of the physical quantity to be monitored This display is indicated only if ALARM OUTPUT has been activated and QUANTITY has been selected as switching condition input of the hysteresis for the lower or upper limit This display is indicated only if ALARM OUTPUT has been activated and MIN or MAX has been selected as switching condition 85 B Menu Structure Program Branch SPECIAL FUNCTION par mea opt g
82. t 500 Q measuring range 0 4 20 mA accuracy 0 1 of reading 15uA binary Reed contact 48 V 0 25 A as state output limit sign change or error as pulse output value 0 01 1000 units width 80 1000 ms clamp on flow transducers type M5 possible rated pipe diameter range dimensions operating temperature process operating temperature ambient degree of protection type Q5 possible rated pipe diameter range dimensions operating temperature process operating temperature ambient degree of protection 50 100 2500 mm 58 x 28 x 31 mm 30 4100 C 30 4100 C IP 67 according to EN 60529 10 25 400 mm 35 x 21x 18 mm 30 100 C 30 4100 C IP 67 according to EN 60529 77 A Specifications Units of measurement operation al volume flow flow velocity mass flow totalizer volume mass mJ d m s kg h ms mJ h cm s kg min kg m3 min inch s g s gal mis fps t d ml min Uh l h Ib d l min Ib h Us Ib min hl h Ib s hl min hl s Mi d bbl d bbl h bbl m USgpd USgph USgpm USgps MGD CFD CFH CFM CFS 1 US gallon 3 78 barrel 42 US gallons 158 76 78 A Specifications Flow Nomogram metrical volume flow volume flow
83. t SF lt Special Function SYSTEM SETTINGS Special Funct SYSTEM settings main menu selection of the program branch SPECIAL FUNCTION selection of SPECIAL FUNCTION SYSTEM SETTINGS SYSTEM SETTINGS SET CLOCK SYSTEM settings Set Clock selection of the displays for the input of date and time SYSTEM SETTINGS DIALOGS MENUS SYSTEM settings Dialogs Menus Pipe Circumfer off gt ON lt Transd Distance auto gt USER lt Error val delay damping gt EDIT lt ELAIS STAT gt ON lt 86 selection of the displays for activation deactivation or set ting of menu items in the other program branches activation of the menu item for the input of the pipe circum ference in the program branch PARAMETER setting for the display for the input of the transducer dis tance in the program branch MEASURING USER only the entered transducer distance will be dis played if the recommended and the entered transducer distances are identical AUTO only the recommended transducer distance will be displayed recommended setting USER selection of the error value delay DAMPING the damping value will be used EDIT The menu item for the input of the error value de lay in the program branch OUTPUT OPTIONS will be ac tivated activation of the indication of the alarm state during mea surement B Menu Structure SYSTEM SETTINGS
84. t output 12 1 2 Error Output In the further dialog an error value can be defined which is to be output if the source item can not be measured e g when gas bubbles are in the medium Table 12 2 Error output error value result MINIMUM output of the lower limit of the output range HOLD LAST VALUE output of the last measured value MAXIMUM output of the upper limit of the output range OTHER VALUE output The value has to be entered manually It has to be within the limits of the 59 12 Outputs example The volume flow has been selected as source item for a current output the output range is 4 20 mA the error value delay ty gt 0 The volume flow can not be measured in the time interval tg t4 see Fig 12 1 The error value will be output v m3 i La DS O50 0 Fig 12 1 Error output Table 12 1 Examples for the error output list item for the error output output signal Error value I mA 4 inimum 4 0mA 20 ty Er 4 p Error value I mA A Hold last value 20 4 p 60 12 Outputs Table 12 1 Examples for the error output list item for the error output output signal Error value I mA A aximum 20 0mA 20 Fr 4 p Error value I mA A Other value 20 error output 2 00 mA H A p Select a list item for t
85. the cap nut 1 on the basic part 3 Connect the leads to the terminals of the flowmeter see Table 5 2 or Table 5 3 Attention The degree of protection of the flowmeter is only guaranteed if the cable glands are tightly screwed and the front plate is tightly screwed with the housing 22 5 Installation Table 5 2 Connection of the outputs of Sonalok 7S 51 Series terminal connection 2 binary output B1 4 binary output B2 6 current output l1 o CO N OF GO terminal connection 1 2 binary output B1 3 4 binary output B2 5 6 current output l1 7 8 current output I2 9 Si 10 11 output current output l1 Source channel A Source item measured value measured value physical quantity output range 4 20 mA error output 3 5 mA Table 5 5 Default settings of the outputs of Sonalok 7S 52 Series Table 5 3 Connection of the outputs of Sonalok 7S 52 Series Table 5 4 Default settings of the outputs of Sonalok 7S 51 Series output current output l1 current output I2 Source channel A B Source item measured value measured value measured value physical quantity physical quantity output range 4 20 mA 4 20 mA error output 3 5 mA 3 5 mA These settings can be changed For installation of the outputs see section 12 1 For the activation of the outputs see section 12 4
86. the pipes A pipe vertically mounted has always to be filled at the measuring point and the medi um should flow upward Bubbles should be avoided even bubble free media can form gas pockets when the medium expands e g before pumps and after great cross section extensions Note If the temperature fluctuates at the measuring point it is important that the inner hook of the clasp grabs in the tension strip Otherwise the pressure of the transducer will be insufficient when the tempera ture is low Note For high temperature fluctuations it is recommended to fix the trans ducers with the help of EESIFLO clasps with compensating springs Contact EESIFLO 13 3 Maximum Acoustic Contact Observe the points in section 7 6 2 13 4 Application Specific Problems The sound velocity of the medium is wrong The entered sound velocity will be used to calculate the transducer distance and thus is very important for the transducer positioning The sound velocities programmed in the flowmeter only serve as orientation values The entered pipe roughness is not appropriate Reconsider the entered value taking into account the state of the pipe Measurements on porous pipe materials e g concrete or cast iron are only possi ble under certain conditions Contact EESIFLO 73 13 Troubleshooting The pipe liner may cause problems during measurement if it is not attached tightly to the inner pipe
87. through parts 2 and 1 of the clasp see Fig 7 3 Pull the tension strap firmly and engage it in the inner hooks of the clasp Fig 7 3 Clasp Note At pipes with large diameters use tongs if necessary to tense the tension strap 35 7 Basic Measurement Note The clasp must be completely in contact with the pipe to ensure a good fixation Fig 7 4 Clasp with tension strap Mount the second transducer shoe in the same way adjusting the displayed transducer distance by means of the measuring tape Tighten the screws of the clasps Push the transducers in the transducer shoes Press the transducer firmly on the pipe There should be no air pockets between transducer surface and pipe wall Tighten the screw of the transducer shoe firmly Note When the transducers are mounted on a vertical pipe and Sonalok is placed lower than the pipe the cable of the upper transducer should be fixed by a cable tie to the tension strap to protect the cable from mechanical strain Fig 7 5 Mounted transducer in transducer shoe 36 7 Basic Measurement 7 6 4 Fine Adjustment of the Transducer Distance If the displayed transducer distance is adjusted press EN Transd Distance TER A 54 mm Reflec i EM The positioning procedure is started A bar graph s displays the amplitude of the received sig nal Shift the transducer slightly in
88. tput This display is indicated only if the current output has been installed in SPECIAL FUNCTION SYSTEM SET TINGSNPROC OUTPUTS selection whether the sign of the measured values is to be considered for the output This display is indicated only if CURRENT LOOP has been activated input of the lowest highest measured value to be expected for the current output This value will be assigned to the lower upper limit of the output range These displays are indicated only if CURRENT Loop has been activated input of the error value delay i e of the time interval after which the value entered for the error output will be trans mitted to the output if no valid measured values are avail able This display is indicated only if ERROR VAL DELAY is ac tivated EDIT in SPECIAL FUNCTION SYSTEM SET TINGS DIALOGS MENUS activation of a pulse output This display is indicated only if a pulse output has been in stalled in SPECIAL FUNCTION SYSTEM SET TINGSNPROC OUTPUTS input of the pulse value value of the totalizer at which a pulse will be emitted This display is indicated only if PULSE OUTPUT has been activated input of the pulse width This display is indicated only if PULSE OUTPUT has been activated B Menu Structure ALARM OUTPUT Alarm Output no gt YES lt R1 FUNC lt typ mode Function R1 Input Volume Flow High Limi
89. ume flow is m h The selection of the val ues to be displayed and the setting of the output options are described in chapter 8 Ad vanced measuring functions are described in chapter 9 7 8 Recognition of Flow Direction The flow direction in the pipe can be recognized with the help of the displayed volume flow in conjunction with the arrow engraved on the transducers s medium flows in arrow direction if the displayed volume flow is positive e g 54 5 m h The medium flows against the arrow direction if the displayed volume flow is negative e g 54 5 m3 h 7 9 Stopping of Measurement The measurement can be interrupted at any time by pressing key BRK if not being pro tected by a program code see section 9 8 Note Be careful not to interrupt a current measurement by inadvertently pressing key BRK 39 8 Displaying the Measured Values 8 Displaying the Measured Values The physical quantity will be set in the program branch OUTPUT OPTIONS see section 8 1 The designation of the physical quantity will be displayed normally in the upper line its value in the lower line The display can be adapted see section 8 3 8 1 Selection of the Physical Quantity and of the Unit of Measurement Depending on the configuration of the flowmeter the following physical quantities can be measured flow velocity is calculated on the basis of the measured transit time difference operational volum
90. unt see annex A Technical Data 2 3 Service No service work is necessary Always respect the handling precautions and the instruc tions given in this manual If Sonalok is installed correctly in an appropriate location and as recommended used cautiously and taken care of conscientiously no troubles should appear Attention Never replace a component of the instrument by parts other than those supplied by EESIFLO 2 4 Cleaning Clean the instrument with a soft cloth Do not use detergents Remove traces of acoustic coupling compound from the transducers with a soft paper tissue 3 Flowmeter 3 Flowmeter 3 1 Measuring Principle Sonalok uses ultrasonic signals for the flow measurement of a medium employing the so called transit time method Ultrasonic signals are emitted by a first transducer in stalled on one side of a pipe reflected on the opposite side and received by a second transducer These signals are emitted alternatively in flow direction and against it Because the medium in which the signals propagate is flowing the transit time of the sound signals propagating in the direction of flow is shorter than the transit time of the signal propagating against the direction of flow The transit time difference At is measured and allows the determination of the average flow velocity on the propagation path of the ultrasonic signals A flow profile correction is then performed in order to obt

SONALOK 7S

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