Eletta Flow Meter M-series M
Contents
1. FLOW MONITORS Eletta Flow Meter M series M WIN 0 9 Software x M WIN 0 9 min put 120 opgi wi 10000 o vi User s Manual 60A7E6 FLOW MONITORS About this manual This manual describes how to install and use the M WIN software In this manual arrows or are used to emphasize which areas to pay attention to e This manual relates to the M WIN 0 9 software which is created for the Eletta M series e Note that the latest version of this manual is always available as a PDF file on out web site www eletta com e On our site you also find other information such as leaflets newsletters and application reports Proprietary Rights This manual contains confidential technical data including trade secrets and proprietary information that are the property of Eletta Flow AB Sweden Any changes or alterations to downloaded or printed Eletta original documentation such as manuals drawings leaflets newsletters etc are not permitted without a written permission from Eletta Flow AB Sweden These data are only disclosed to you under permission of limited use within your company Use for manufacturing or processing is not permitted Any other use of data and information is strictly prohibited without prior written permission from Eletta Flow AB Sweden 60A7E6 FLOW MONITORS Customer Service Customer Service Center Our Customer Service Center will answer any of your commet2. 3 5 The program window We now assume that the computer has been connected to a flow meter and that there are values in the display fields The M WIN software has two main parts the main bar and the sub pages tabs See the picture below There ate three visible sub pages FLOW Q Vo Main bar Sub pages Connect cable to flow meter Figure 1 M WINsoftware 0 9 3 6 Parameter units Almost all fields have a scroll down list showing all available units for the specific parameter The only exceptions ate the flow value represented as Vo the output value mA These do not have any alternative units Note that if you change a unit for a specific parameter all units that are related to this parameter will also change The numeric values will automatically be recalculated when units are changed A specific parameter unit can be changed from any location and any sub page 60A7E6 13 FLOW MONITORS 3 7 Main bar At the top there is the main bar that shows the present flow in percent and even volume time if the software has been configured to show this If not configured the window will show N A Please refer to section 4 Detailed description on how to configure the different parameters The main bar is always visible KOVA ue Ki min Figure 2 Main bar 3 8 Sub pages The area below the main bar is used for the sub pages the Read Set and Eletta pages je 10 5180 Celsius Figure 3 Sub p
3. 4 4 The Set page The Set page looks almost the same as the Read page Most of the fields on this page are the same as on the Read page However some of them now have a white background which means that the fields now can be edited Edit a field by clicking on it Figure 26 Editable field There is also a couple of additional buttons not found on the Read page This chapter will only describe such fields and buttons that are different compared to the Read page 4 4 1 Confirm By clicking the confirm button a value that has been entered into the field is loaded to the Flow Meter and entered into the M Win software Figure 27 Confirm button Note that you have to perform this step otherwise the new value is only shown in the field it is not loaded to the Flow Merter Note that the corresponding field on the Read page will not change until you have clicked the confirm button 4 4 2 Configurable fields The Flow Merter is factoty calibrated and configured with default values making it possible to install the Flow Meter without any programming in the field In the below section there is shown how to edit the different parameters in order to reconfigure the flow meter to suit any application 4 4 2 1 Q range FLOW Q 46 Ei l min HRS QrangeO 30 QE confirm 5 mbar vd m Figure 28 Q range Set page 60A7E6 23 FLOW MONITORS The max q range for your M series Flow Meter can be found on the flow condit
4. 4 3 2 2 Min The Min field states which flow that shall correspond to 4 mA which is the lowest available value for the output signal This parameter is user configurable Please see section 4 4 for details 60A7E6 21 FLOW MONITORS Figure 22 Fow corresponding to 4 mA Select unit by clicking the dropdown list to the right of the field Available units are Yo 1 min m3 h US Gpm l sec 4 3 2 3 Max The Max field states which flow that shall correspond to 20 mA which is the highest available value for the output signal This parameter is user configurable Please see section 4 4 for details Figure 23 Flow corresponding to 20 mA Select unit by clicking the dropdown list to the right of the field Available units are Yo 1 min m3 h US Gpm l sec 4 3 3 Alarm 4 3 3 1 On The On field states from which flow the alarm shall be turned on This parameter is user configurable Please see section 4 4 for details Figure 24 Alarm On level Select unit by clicking the dropdown list to the right of the field Available units are Yo 1 min m3 h US Gpm l sec 4 3 3 2 Off The Off field states at which flow the alarm shall be turned off This parameter is user configurable Please see section 4 4 for details Figure 25 Alarm Off level Select unit by clicking the dropdown list to the right of the field Available units are Yo 1 min m3 h US Gpm l sec 60A7E6 22 FLOW MONITORS
5. Factory Default Q range 0 N A limin dP range 0 N A mbar Zero P1 and P2 Sqrt cutoff N A mbar Cc Pressure max N A bar Confirm Default gt Output NjA mA Min 4 mA v N A 96 Max 20 m N A 96 Customized Normal default default Connect cable to flow meter FLOW MONITORS This page shows the factory default settings values which may be useful if you want to know which values that were initially set Using this page you can easily load all the factory default settings to the flow meter by clicking the Confirm Default button You also can zero Pj Ps dp from this page You find more information about this page in section 4 5 60A7E6 16 FLOW MONITORS 3 12 The Eletta page The third page the Eletta page tells you how to contact Eletta Flow AB Figure 8 Eletta page 3 13 Flow Meter information For more information about the data for your specific flow meter see the type plate and flow conditions label on your flow meter Examples of type plate and flow conditions are shown below E FLOW CONDITIONS ELETTA i ni Fluid Water S G 1 0 Type M G25BR Temper 0 100 OC Model 223011025 5 40 bar g Temperature Output 4 20 mA F Qrange 0 50 limin No 123456 AP Range 0 500 mbar 60A7E6 17 FLOW MONITORS 4 Detailed description 4 1 Main bar The main bar states the present flow The first field presents the flow as a percentage of the full flow range The
6. Pie palio oet Uca d e ustapu Eer 3l o ALIUD IAS IMS RNC EO OO E 3l 0 ERROR MESSAGES gegen es nd i Eege eege EENEG 32 60A7E6 FLOW MONITORS 1 General Information 11 General Description M WIN is a software developed by Eletta Flow to communicate with the Eletta M series Flow Meter The Eletta M series Flow Meter is used to measure and control flows of liquids and gases in pipes The M WIN software communicates with an M series Flow Meter via a PC and a RS 485 converter Converter K 107 M series Flow Meter PC lap top The communication between the software and the Flow Meter is bi directional This means that the software reads existing data and parameters from the Flow Meter but it also allows you to reconfigurate the Flow Meter from the software The software kit includes the below described parts Carrying box CD M Win software Progranwnina Software for M Sortie m diame Pres aka EE ON alda Feck Tels Aud QU BAM NT Fes eel Converter K107 AA we RS 232 RS 485 gn E ONS Battery Power supply 60A7E6 FLOW MONITORS 1 2 Previous knowledge Even if the software is straight forvvard and easy to understand it is assumed that you have basic knowledge about how to use a computer mouse and Windows based programs To follow this manual it is also assumed that you are familiar with measuring flows using the Differential Pressure Principle and that you have a basic understanding of the parts of th
7. This field shows where the flow meter stops to measure and the output signal and flow indication window in the M Win goes down to zero This is to prevent the meter showing erratic flow at zero or close to zero condition This parameter is user configurable Please see section 4 4 for details Figure 18 Square root cutoof 60A7E6 20 FLOW MONITORS Select unit by clicking the dropdown list to the right of the field Available units are mbar Pa kPa mmHg psi and mmH2O 4 3 1 7 P max The Pmax field states the maximum allowed static pressure This is limited by the pressure sensots installed in the Flow Meter Figure 19 Maximum static line pressure Select unit by clicking the dropdown list to the right of the field Available units are bar kPa mmHg psi and mmH2O 4 3 1 8 Temp range The Temp field range states the temperature range for the system media for which the measurement results are shown with high accuracy i e temperature compensated Temp range 10 Figure 20 Compensated temperature range Select unit by clicking the dropdown list to the right of the field Available units are Celcius Fahrenheit and Kelvin 4 3 2 Output 4 3 2 1 Output The Output field states the present value of the mA signal Note that this is value is calculated by the software flow meter processor using both values from the input sensors and M Win software settings Figure 21 Present output signal
8. being installed 60A7E6 5 6 7 FLOW MONITORS M WIN has been successfully installed Click Finish to exit the setup program and you will return to the start menu j M win Setup M win has been successfully installed Click the Finish button to exit this installation Click on button 2 Create shortcut This function will move the installation from your Desktop to CA ProgramNEletfaN and create a shortcut on your Desktop You have now also the possibillity to copy all the manuals for the produkt and the software to your computer by click on button 3 Copy manuals to desktop This will create a shortcut on your desktop and store the folder with the pdf files in the same place as the program When the installation is complete store the M Win CD in a safe place If something happens to your working files you will be able to reinstall M Win with the original CD 60A7E6 10 FLOW MONITORS 3 Overview 3 1 Terminology and abbreviations The table below lists terms and abbreviations that are used in the program Not Applicable Static pressure at the upstream pressure sensor Static pressure at the downstream pressute sensot Maximum static line pressure Sqrt cutoff Square root cutoff Minimum resolution of the square toot calculation see section 4 3 1 6 3 2 Start using M Win Click on the M Win icon or open the folder where you have installed the program The prog
9. versus dP range If you want use the M series to other primary elements ventutis annubars pipe bends etc you must set the correct flow range versus the dP range so that max dP corresponds to max flow Please consult the technical specifications for your primary element for the right values Remember to confirm new values when you change them otherwise the processor will not be updated 4 4 2 3 Sart cutoff FLOW Q l min ees QrangeO 30 a Confirm 500 mbar ee 60A7E6 24 FLOW MONITORS Figure 30 Sqrt cutoff Set page This field shows where the flow meter stops to measure and the output signal and flow indication in the M Win will go down to zero This is to prevent the meter showing erratic flow at zero condition The default value is set to 4 mbar meaning that no flow just below 10 of max flow will be shown If you see an unstable flow when you have a no flow condition you can raise this value to avoid seeing this Vibrations can cause these erratic small values for example and therefore you want to cut them oft It is possible to adjust this parameter all the way up to max dP range Remember to confirm new values when you change them otherwise the processor will not be updated 4 4 2 4 Min and max signal output Figure 31 Output Set page This field shows what flow value that should correspond to 4 mA and 20 mA respectively The default values are 4mA 0 Yo flow and 20mA 100 flow Here
10. 0 corresponds to 4mA Using this method there is no way to use the output signal to indicate that the flow decreased below the minimum level This feature is available as an option using our M WIN software ot when ordering the Flow Meter 5 2 3 Customized range Using our M WIN software it is possible to let the output signal range limits correspond to other values than 0 and 100 flow 60A7E6 31 FLOW MONITORS In this way if your application always has a flow of 40 60 of the possible flow measurment range you can zoom in on this range and let 4 mA correspond to 40 flow and 20 mA correspond to 60 flow 6 Error messages Connect cable to flow meter The flow meter is not Connect the flow connected to the converter metet K107 Do not exceed 2 bar The maximum allowed dP range Select a dP range has been exceeded value that is below 2 bat Warning If pressures P1 and P2 are Make sure that there System must be in a no flow condition zeroed while the system is is neither no flow and at zeroing If system is pressurized l i WEE pressurized the static pressure no pressure in the static pressure indication will also be zeroed will also be zeroed In this case system when zeroing measurement of the static P1 and P2 pressure will not be correct You must set a correct value in the Q This warning appears if you are Always enter a valid Q range input field or leave it at 5 A trying to change th
11. After completed installation of the Program you can install the Manuals to your computer and create a shortcut on the Desktop Support www eletta com Support Send mail to Eletta Flow AB Phone 46 0 8 603 07 70 Eat Installation 1 Click on the install button and the program will now guide your through the entire installation Click Next 2 Welcome to the M win A Installation Wizard It is strongly recommended that you exit all Windows programs before running this setup program Click Cancel to quit the setup program then close any programs you have running Click Next to continue the installation WARNING This program is protected by copyright lav and international treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law Cancel 60A7E6 3 4 FLOW MONITORS Do not change the Destination Folder just Click Next gt The installation defaults to a pre defined directory i M win Setup Destination Folder Select a folder where the application will be installed Destination Folder Click Next to start the installation T M win Setup Ready to Install the Application Click Next to begin installation The installation starts TA M win Setup Updating System The features you selected are currently
12. ages Most of the parameter fields on these pages are found on the same place on both the Read and Set pages The difference is that on the Read page you can only read them but on the Set page some values can be changed Fields that can be edited have a white background read only fields non editable have grey backgrounds sol wmm x Figure 4 Editable field whereas read fields have a greyish background Figure 5 Read only field non editable 60A7E6 14 FLOW MONITORS 3 9 The Read page On the first page the Read page it is only possible to read values and parameters You can not set ot change any values or parameters on this page This page 1s recommended to use to avoid unexpected changes of any parameter All shown values are based on stored information which has been setted in the set page Figure 6 Read page 3 10 The Set page On the second page the Set page you can set and change values for e Flow range maximum C range e Differential Pressure maximum dP range e Square root cutoff low flow threshold e Output signal levels e Alarm levels oj bar vi A Celsius vi Figure 7 Set page 60A7E6 15 FLOW MONITORS 3 11 The Factory Default page At the bottom of the Set page you find the Factory Default button When clicking it a new sub page will open rores QrangeO 30 uU Confirm 241 Celsius vi E M Win 0 9 vi FLOW Q min Read Set Eletta
13. cial or technical questions during normal office hours 8 00 16 30 C E T 8 am 4 30 pm Central European Time Our switchboard is manned 7 00 19 00 C E T During non office hours Monday Friday you can always leave a message to the operator and our Customer Service staff will contact you as soon as possible Questions or inquires will be responded to immediately either by phone fax or e mail The normal office hours are not valid during National Holidays and annual plant close down such as Christmas and summer holidays About Troubleshooting We have tried to make this manual as clear and comprehensive as possible but naturally we understand that you might run into problems that are not described in this manual If this would happen we kindly ask you to first check the manual once again before contacting our Distributors or Eletta Flow AB in Sweden This is to save valuable time for any of us involved in Eletta products If you after this check still are not able to solve your problem our Customer Service staff is more than happy to help you Contact Phone 46 8 603 07 70 Switchboard 46 8 603 07 80 Orders and Inquires Fax 46 8 646 10 40 Postal Mail Eletta Flow AB P O Box 5084 SE 141 05 Huddinge SWEDEN E mail info eletta com Web www eletta com Distributors Eletta has appointed a number of distributors all over the world You will find more information about your closest distributor on our web site w
14. e Flow Meter hardware You must have an Administrator rights for your computer to successfully implement the M Win software 1 3 Technical requirements M WIN is designed for use with Windows operating systems XP 2000 NT 98 and 95 The PC must have an available COM port If a Com port is not available on newer models of laptops and only a USB port is fitted a standard USB to serial communication converter must be used not included The total size of the M Win software is approximately 15 MB The size of the pdf manual is approximately 2 MB 60A7E6 FLOW MONITORS 2 Installation This section describes how to install the M WIN 0 9 software 2 1 Installation directory Note For later Windows versions you need to have Administrator authority to be able to install software on your computer Put in the CD and the menu below will automatically start up This menu gives you the option to install the program read or install the manuals for software and hardware send mail to Eletta Flow AB ot reach our homepage Ir Eletta Flow AB Note Do not changes the destination folder during the installation The program will temporary be installed on your desktop By using the button Create shortcut after completed installation the folder will be redirected to 2 Create shortcut C Program Eletta and create a shortcut to E your Desktop Manuals Read manuals from CD PDF format Note 3 Copy manuals to desktop
15. e a turn down of 1 10 In this very case the lowest flow must be 10 of the maximum flow in order for the Flow Meter to be able to work mA Measurement range Note The turn down is dependent on the measured liquid or gas and can therefore be less than 1 10 The 1 10 turn down 1s only valid fot water and air 0 10 100 Q 96 5 2 Zero based and non zero based calibration The question is now regarding what has been said so far what happens when the flow is less than 10Yor The answer is that it depends on which calibration that has been chosen There are two ways of representing the output signal e zero based calibration e non zero based calibration 60A7E6 29 FLOW MONITORS 5 2 1 Zero based calibration Using zero based calibration the full output signal range will correspond linear to the full flow range 0 100970 and not only the measurement range 10 100 An output signal of 12 mA will simply correspond to 50 of the maximum flow mA 20 Output 50 12 mA 100 Q 96 Zeto based calibration is the pre calibrated standard as it is often appreciated as being more intuitive Many customers use receiving instruments with digital or analogue readout that shows 0 100 Flow less than 10 However we now return to the question what happens with the output signal when the flow is less than 10 As we have described above due to the measurement principle the Flow Meter cannot work properly below t
16. e flow unit range value before unknown before entering a valid Q range changing flow unit value Warning Selecting Confirm Default Are you sure that you want to loads factory default settings overwrite the existing settings E ele Click OK if you want to load the 8 Factory default settings OVET TEE 60A7E6 32 FLOW MONITORS Eletta Flow AB P O Box 5084 SE 141 05 Huddinge SWEDEN E mail info eletta com www eletta com Phone 46 8 603 07 70 Switchboard 46 8 603 07 80 Orders and Inquires Fax 46 8 646 10 40 60A7E6 33
17. er is only using the differential pressure for calculating the flow The only time there is a need to do a zeroing is when P1 and P2 are showing different values at no flow condition Please use this button carefully and follow the instructions given on the screen when using this feature Note If the Flow Meter is zeroed at no flow condition and there is a line pressure exceeding the atmospheric pressure there will be an error in the reading of the static pressure after the zeroing 60A7E6 28 FLOW MONITORS 5 The Output Signal 5 1 Turn down Each orifice plate is designed and optimized for a specific flow range and fluid This means that there is a maximum flow value for a specific orifice plate This value is represented by the flow percentage 100 A flow value higher than the maximum flow value will not be measured with the same accuracy The analogue output signal from the Control Unit is always in the range 4 20 mA This means that the maximum flow 100 for any specific orifice plate corresponds to the output level 20 mA However the minimum flow 0 is merely theoretical since it is not possible to use the differential pressure principle if there is no flow at all There has to be a certain minimum flow to create the different pressures on the upstream and downstream side of the orifice plate This minimum flow therefore will correspond to a flow percentage higher than 0 Therefore the Flow Meter is said to hav
18. esneeeess 17 3 13 Flow Meter Wil Orman i eege 17 4 DETAILED DESCRIPTION ad e ea decuit ucc diua Qc E ad ea EE 18 4 1 NO de ER 18 4 2 OTI e ONERE OFFERS 18 4 3 The ROOT 19 4 3 1 Pressure and Ve taper TIRE TEE 19 Le E E 19 AT apsceehectca teens E E A E 19 ll Tee TRCN eT Cer yer ner erent Creer nent rer renter nore en rrr 20 MF MEI o EUREN 20 e NK EE Te EE SEHEN 20 CN E S e aT Rs 20 E e 21 Tae AUC MAM EM 21 OM 21 4 3 2 1 EE E 21 Be EE 21 LAU MED cr 22 zB S MEE e EE 22 oe EE cm 22 TT i 22 4 4 The SO PA eres eiustivwcscevassantes 23 4al E e en E E qu uanavaiesaales E EEE E 23 442 Configurable MEMS nuancave din rare toronto dh 23 4 4 2 1 iru E 23 E MEME RU I PR 24 OO e E EAA OEE 24 44 24 Min and max signal output eter rr pede dd dh de 25 ES esiisad I ET E teats 25 4 5 D ER ON ee 27 EN NE Oo Tm 27 ZEN MEE Sco ullum 28 5 THE OUTPUT SIGNAL ca uda s dar das duk did d n n n n RES FEE rua de Eus geg 29 5 1 TROITE I TIT e 29 5 2 Zero based and non zero based calibration Lecce eee eee eere eere rennen 29 Ial ODA o ad DE Oseira vemos e se modu ca EEE Deme EE 30 25 2 2 Nonzero based Cal DI AION eu oet oria ederet edo eu
19. example graph below with an assumed power supply of 24Vdc Example 1 P Sg ON high t than OFF arm set S S at 60 flow 0 Flow lt 100 Flow Alarm OFF set at 55 flow When the flow increases and reach the 60 the alarm switches at ON mode from 0 Vdc to 24Vdc and when the flow decrease and reach the OFF mode 55 the voltage drops to 0 Vdc again Example 2 ON lower than OFF Alarm OFF set at 60 flow 0 Yo Flow 100 Flow Alarm ON set at 55 flow 60A7E6 26 FLOW MONITORS 4 5 Factory default page Figure 33 Go to factory deafult Set page If for some reason you are unable to get correct readings from the Flow Meter we recommend to use the factory default page 4 5 1 Confirm factory deafult Note You must set the field Q range to the value Unknown and confirm before confirming factoty default in order to get correct values range 0 0 00 Unk Read Set Eletta Factory Default Q range O 0 00 Unknown dP range O 500 Zero Pl and Pz C Sort cutoff Pressure max Confirm Default Output 4 0 m i OUTPUT Min 4 mA im 0 00 Max Z0 m 100 00 Cc ALARM Customized Normal default s default FLOW MOHITORS Figure 34 Factory deafult page The factory default values for changeable parameters are DP range 500 mbar Sqrt cutoff 4 mbar 4mA 0 flow 20 mA 100 flo
20. flow value is calculated using the differential pressure FLOW Q l min Figure 9 Present flow Vo The second field states the present flow in volume time Click the button and select unit from the dropdown list FLOW Q l min es Figure 10 Present flow with selectable unit 4 2 Q range Between the main bar and the selected sub page you find the Q range field This field states the maximum flow for your specific orifice plate This parameter is user configurable Please see section 4 4 for details KOVE 46 E min Figure 11 Q range Set page 60A7E6 18 FLOW MONITORS 4 3 The Read page The Read page is divided into the following three sections e Pressure and Temperature e Output e Alarm Eletta Pressure and Temperature Output Alarm Figure 12 Read page sections It is important to understand that the Output signal mA presented on the screen is not loaded from the flow meter to the M Win software It is calculated by the M Win software from other parameters This means that the presented screen value may differ from the physical current loop sional Note Always involve the person responsible for the installation before removing a flow meter Alarm settings may affect other parts of a supervising system 4 3 1 Pressure and Temperature 4 3 1 1 dP The dP field states the present differential pressure Select unit by clicking the dropdown list to the right of the fie
21. his level So what in fact happens is that the Control Unit sets the output signal to 4 mA when the flow gets below the lowest allowed flow If a square root cut off of 4 mbar is used the lowest allowed level will be 9 flow See the graph below Therefore the output signal can be used to indicate if the flow has decreased below the minimum level As soon as the output signal drops from 5 4 to 4 mA the flow has decreased below 9 square root cut off 4 mbar mA GIGA2ES 60A7E6 30 FLOW MONITORS Example A Flow Meter with a turn down of 1 10 will have the output signal showing 4 mA between 0 and 9 of the maximum flow for which the orifice plate is designed A square rott cut off 4 mbar is assumed When the flow reaches 9 the output signal will jump to 5 4 mA From this point the output signal is linear to the flow up to the maximum flow 100 The output signal at 10 is 5 6 mA Therefore for the flow measurement range 10 to 100 the output signal is in the range 5 6 20 mA End of Example 5 2 2 Non zero based calibration Using non zero based calibration the full output signal range will correspond linearly to the measurement range 10 1009 0 Compare the difference between the two calibration methods in the graph below mA 20 Zero based calibration 56 Non zero based calibration A 0 0 10 100 Q B34AJES In other words when using non zero based calibration the minimum flow 1
22. ion label on the blue housing The Flow Meter is calibrated to show the flow in percentage of the full possible flow range and the correct max flow value in ordered units i e l min m3 h etc but if you want to change the flow range to other values this 1s the window to edit When you edit this field the values will be stored in the processor of the Flow Meter NOTE If you change the flow range you must also install a new orifice plate which matches the new values There is no need to change the signal output configuration as this is connected to the flow percentage value If you do not change the orifice plate the changed values you enter seems right on the M Win software but the processor is still using the max flow value determined by the orifice plate installed when it calculates the mA output and alarm settings This will results in a false reading of the flow Remember to confirm new values when you change them otherwise the processor will not be updated 4 4 2 2 dP Range FLOW 46 min eves Orangen 30 Ee Confirm soo T mb vit os Figure 29 dP range Set page This parameter determines the differential pressure span from where the processor calculates the flow The orifice plate installed is calculated to give maximum flow Q 100 at 500 mbar differential pressure as default Normally this is not to be changed when you are using the M series Flow Meter Do not change this field without checking the orifice plate
23. ld Available units are mbar Pa kPa mmHg psi and mmH2O Figure 13 Differential pressure 4 3 1 2 P1 The P1 field states the present static pressure at the upstream pressure sensor 2 20 bar Si Figure 14 Upstream pressure 60A7E6 19 FLOW MONITORS Select unit by clicking the dropdown list to the right of the field Available units are bar kPa mmHg psi and mmH2O 4 3 1 3 P2 The P2 field states the present static pressure at the downstream pressure sensor Figure 15 Downstream pressure Select unit by clicking the dropdown list to the right of the field Available units are bar kPa mmHg psi and mmH2O 4 3 1 4 Temp The Temp field states the present system media temperature The temperature is meassured at the upstream pressure sensor Figure 16 Temperature Select unit by clicking the dropdown list to the right of the field Available units are Celcius Fahrenheit and Kelvin 4 3 1 5 dP range The dP range field states the measurement range for the differential pressure This parameter is user configurable Please see section 4 4 for details Figure 17 dP measurement range Select unit by clicking the dropdown list to the right of the field Available units are mbar Pa kPa mmHg psi and mmH20O 4 3 1 6 Sqrt cutoff The flow is calculated using a formula where the flow is a function of the differential pressure Q Vdp This formula uses a square root expression
24. ram opens 60A7E6 11 FLOW MONITORS 3 3 Online Offline The M Win software can be used without connecting a flow meter to your computer i e using M Win in the Offline mode This feature is useful when you want to learn how to use the program or show it to others In offline mode the program window is passive the colors are slightly faded and the red text Connect cable to flow metet 1s shown at the bottom of the window E M Win 0 9 vi ER CN vin K min Eletta Qrange 0 N A limin Offline button Connect cable to flovv meter Run Offline FLOW MONITORS Click the Run Offline button The window will now turn active E M Win 0 9 vi FLOW Q l min Eletta Q range 0 N A limin Connect cable to flow meter FLOW MONITORS Note that all fields show N A since there is no flow meter connected to the computer It is not possible to change parameters and store them when you run the M Win offline and it is only meant to serve as guide how the software works 60A7E6 12 FLOW MONITORS 3 4 Connect Flow Meter Connect the serial connector to the back of your computer COM 1 and the round connector into the M series Flow meter Since there is no power supplied through the serial output from the computer you need also to plug in the power supply to 230 VAC mains or install the battery provided in the K 107 Converter You now have access to the stored information in the M series Flow Meter
25. w Alarm on 51 of max flow Alarm off 50 of max flow 60A7E6 21 FLOW MONITORS 4 5 2 Zero P1 and P2 Read Set Eletta Factory Default Qrange 0 00 Unknown dP range O 500 mbar fero Pl and Pz Sort cutoff 4 mbar a Pressure max 10 00 bar i 1 Confirm Default Output 4 0 mA Min 4 mA im 0 00 00 Max Z0 mA 100 00 On I On 51 00 bi Customized Normal M OFF 50 00 op default default FLOW MOHITORS Figure 35 Factory deafult page This button allows the user to zero both pressure sensors at the same time according to the actual conditions The M series Flow Meter is calculating the flow trough by means of measuring the differential pressure over an orifice plate placed in the Pipe Section To do this correctly two independent absolute pressure sensors are used to measure P1 and P2 and they are mounted in separated pressure chambers If for some reason these two pressure sensors are not zeroed at the same pressure a difference in measuring of the pressure between the two will occur and hence the wrong differential pressure will cause an error in the flow reading Before leaving the factory the sensors are zeroed at the atmospheric pressure valid at the altitude in Sweden or at the Distributors site at that day they were finalized There is normally no need to make an on site zeroing as the atmospheric pressure at the site has no influence on the flow reading The M series Flow Met
26. ww eletta com or by contacting our Customer Service Center 60A7E6 FLOW MONITORS Contents ABOUT THIS MANUAL EE 2 Mere EE wO ET E LL T LE 2 CUSTOMER SERVICE E 3 Customer Service C II E 3 ADout Iroubl aen 3 CODAE SQ 3 Di IDIOTS oee dees S 3 ONE H KE 4 1 GENERAL INFORMATION eren nennen sense esse nenen nnn 6 1 1 General D senipUOl E 6 1 2 Previous knowledge osos siendo HE EE 7 1 3 d RN Oe E ei eri inea E ku E EE eR IER PI IESU E DELI EUREDE 7 2 INSTALLAMON eee ee EEEE IERE 8 2 1 Installation do E 8 3 OVERVIEW Em 11 3 1 Terminology and abbreviations sssssccesecccccccccccccoccccccccccccccccceccccccossceccecececeseecoccsossssececccecceese 11 3 2 i ects szeeseiesstcenensteesuecsset ecesstecstepeeuensteen 11 3 3 ER e mee 12 3 4 Connect T TN MOLGE oiii eis iiie E 13 3 5 The programi WAT PR i 13 3 6 e E E e 13 3 7 Man D e 14 3 8 SHEI 14 3 9 The Read DAS SEE 15 DAD TUNG SOC aA Ge pana 15 60A7E6 FLOW MONITORS 3 11 The Factory Default page ni oeeerer seit SP ERE VIRSVUR ES DRESSES E EE OUEPNN SEE RERIS UE SCYPCE NES OPE IA NUR SUE Sepe VAR POL EU 16 S15 IA pani sisirin sac sy sce e cans cenevesseesenen cere sussyscstceecenasneneceseuewveva einscesecasee
27. you can set the output values to suit the input of an external display or DCS PLC Please refer to section 5 for detailed information regarding the characteristic of the output signal at different settings Remember to confirm new values when you change them otherwise the processor will not be updated 4 4 2 5 Alarm settings Figure 32 Alarm settings Set page The alatm output must be connected to an external relay or PLC in order to work If not the alarm levels will only be shown in the M Win and no action will be seen elsewhere The M seties Flow Meter has one 1 alarm output with adjustable hystereses which can be set to trip when a flow has decreased below or increased above a certain flow The alarm levels are pre set at the factory according to customer specification before delivery If not specified the default settings are ON 51 and OFF 50 It is also possible though to readjust the settings in the field using the optional M WIN software The alarm function has two possible settings in order to create suitable hystereses for the actual application the ON and OFF mode and they can be used as follows In the ON mode the voltage level on the output is the same as the supplied power 8 28 VDC In the OFF mode the voltage drops to zero 0 volt 60A7E6 25 FLOW MONITORS Note Please do not set the hystereses with a too small gap as this can create a ripple of the alarm Please see
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