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AFLOWT BUF M, Руководство по эксплуатации

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32 

 

5.3. Connecting to the flow meter 

To use the AFLOWT BUF monitor program, enable the NFC function 

in the corresponding menu item (Fig.18) in the smartphone settings.  

 

Fig.18. Enabling NFC 

 

After installing the AFLOWT BUF monitor application, the application 

will request access to the file system of the smartphone at its first start 
(Fig.19). Otherwise, saving of archives and its further use will be inacces-
sible. 

Содержание BUF M

Страница 1: ...BATTERY POWERED ULTRASONIC FLOW METER AFLOWT BUF M VERSION BUF 310 OPERATION MANUAL ISO 9001 2015 ...

Страница 2: ...2 Manufacturer quality management system is certified to ISO 9001 2015 URL http www aflowt com ...

Страница 3: ...ions 20 3 4 Installation on the pipeline 20 3 5 Electrical installation of the flow meter 21 3 6 Dismantling the flow meter 22 4 OPERATION 23 4 1 Setting up before operation 23 4 2 Pre commissioning 28 4 3 Operating procedure 29 5 READING DATA WITH A SMARTPHONE 30 5 1 Hardware requirements 30 5 2 Installing the AFLOWT BUF monitor application 30 5 3 Connecting to the flow meter 32 5 4 Reading param...

Страница 4: ...the metrological characteristics and functionality LIST OF ABBREVIATIONS CP SMC DN ER LCD PC PS PEA SPS USS Primary converter Secondary measuring converter Nominal diameter Error Liquid crystal display Personal computer Pipeline section Electro acoustic converter transducer Secondary power source Ultrasonic signal NOTE Words in the text marked in bold for example Low corre spond to the items displ...

Страница 5: ...heir algebraic sum regarding flow direction Determining the current value of flow velocity and flow direction Output of measurement results to the frequency pulse or logic output Output of measurement data on the indicator as well as through the M Bus interface or Wireless M Bus interface Output of measuring diagnostic installation archive and other infor mation via RS 485 serial interface or NFC ...

Страница 6: ... of this manual 1 2 3 The flow meter provides that the results of measurements can be output ted to Universal output in the form of frequency pulse or logic signal logic output RS 485 and M BUS interface Wireless M Bus interface NFC interface 1 2 4 The flow meter provides storage of measurement results in the following logs Hourly log 1440 records hourly records 60 days Daily log 460 records daily...

Страница 7: ...are given in Appendix A 1 3 Metrological characteristics 1 3 1 The limits of permissible error in measuring the average volumetric flow rate the volume of liquid in any direction of flow do not exceed the values given in table 2 Table 2 Error formula Relative error limit value v 0 1 0 95 δ 1 0 at v 2 00 m s 1 5 at v 0 19 m s 2 0 at v 0 10 m s 3 0 at v 0 05 m s 4 0 at v 0 033 m s where v flow veloc...

Страница 8: ...e size and the protection rating of the flow meter the types of interfaces are set on request 2 The required items of the delivery package are specified in the order sheet 3 Operating documentation and order sheets for this product and other products are available on www aflowt com 4 To connect the device with external devices via RS 485 interface it is possible to supply a USB signal adapter RS 2...

Страница 9: ...to the difference in upstream and downstream times of USS travel it takes less time for an ultrasonic signal to travel in the flow direction from PEA1 to PEA2 than that in the oppo site direction from PEA2 to PEA1 The difference in upstream and downstream time of USS travel through an acoustic path dT is propor tional to flow velocity of fluid v and correspondingly to volumetric flow rate Q 1 5 1 ...

Страница 10: ...ntains a processing module that acts as a meter and calculator as well as a display module The processing mod ule controls the electro acoustic sounding processes the measurement signals from the PEA and performs the secondary processing of the measurement information and ensures the storage of the measurement results External communications of the flow meter are provided by means of universal and...

Страница 11: ...nation of the presence absence of a short circuit using the contact pair jumpers J1 and J2 located on the processing module see Fig A 3 of Appendix A Correspondence of combinations to operation modes is resulted in table 4 where is presence of contact pair closing and is absence of closing Table 4 Operation mode Contact pair Mode application J1 J2 WORK Operation SERVICE Preparation for operation A...

Страница 12: ...LCD contrast operating time and measurement information update period d Start the calculation of conversion factor or pulse weight for the universal output e Zero accumulated volumes and archives 1 5 3 5 ADJUSTMENT mode allows to view and modify all parameters without exception Also ADJUSTMENT mode allows to record the factory number of the device via RS 485 serial interface 1 5 4 Recording of ope...

Страница 13: ...time XXX XX h m 3 2 Tner Fault free operation time XXX XX h m 3 2 K1 Calibration factors X XXXXXX 1 6 P1 X XXXXXX K2 X XXXXXX P2 X XXXXXX Soft Software version number XX XX XX XX CRC Software checksum 0xA8D9 NOTES 1 The flow rate in the reverse flow direction as well as the negative values of the total volume and the volume of the reverse flow are indicated with a minus 2 The total volume is defin...

Страница 14: ...arameters are set programmatically 1 5 5 3 M Bus interface The M Bus interface complies with EN 13757 The interface allows the readout of measured data such as current flow rate accumulated direct reverse and total volumes operating time as well as the presence of emergencies under the numbers 1 3 see Table 7 By default the flow meter has a network address of 1 and an ex change rate of 2400 baud T...

Страница 15: ...arm frequency output function set Error frequency to 0 Hz In pulsed operation mode a pulse burst is given to the open output every second the number of which considering Pulse weigt corre sponds to the volume value measured in the previous second The max imum possible pulse repetition rate in the burst of meander type with a duty cycle of 2 is 1000 Hz in ADJUSTMENT mode and 10 Hz in WORK and SERVI...

Страница 16: ...n module board with indicator in the front panel The modules are connected to each other by a signal loop 1 6 5 After installation of the interface cable and the universal output the sec ondary flow meter converter with IP68 protection is completely filled with Hensel GH 0350 type compound The design of the device is not disas sembled 1 6 6 The appearance of the flow meter may differ from that giv...

Страница 17: ...resence and concentra tion of suspended solids foreign liquids etc operation mode and con dition of the pipeline should not lead to corrosion and or deposits that affect the performance and metrological characteristics of the flow meter 2 1 5 Flow meter should be installed on the site in accordance with the section Installation of the flow meter of this manual 2 1 6 Lightning protection of the dev...

Страница 18: ...nication cables is detected disconnect the device until a specialist determines that it can be used again 2 2 4 During installation commissioning or repair of the flow meter is prohibited to Make connections to the flow meter switching operation modes when the power supply is on Dismantle the flow meter on the pipeline until the pressure is completely relieved in the section of the pipeline where ...

Страница 19: ...n there are no or minimum pulsations and swirls of liquid CP may be installed in horizontal vertical or inclined piping Fig 4 The CP PEA must not be located at the highest point of the pipe section The most suitable place for installation if any is the upstream or down stream section of the pipeline Fig 4 Recommended installation locations for the CP of flow meter NOTE If it is not possible to ins...

Страница 20: ...talled in the pipeline in front of the primary flow straightener con verter Appendix D the straight input length of the CP can be reduced by up to two times 3 4 Installation on the pipeline 3 4 1 Before starting work on the pipeline in the place of installation of the flow meter fix pipe sections that may deviate from the coaxial position after cutting the pipeline with clamps to the fixed support...

Страница 21: ...uits or in the presence of high level electromagnetic interference e g in the presence of a thy ristor regulator without laying it in an earthed steel pipe or metal hose WARNING To ensure the declared degree of protection of the flow meter during installation the following requirements must be met The seal on the back of the SMC front panel must be clean and undam aged Before installing the front ...

Страница 22: ...declared degree of protection and for leaks through the cable gland 3 6 Dismantling the flow meter When dismantling the flow meter Shut off the liquid supply make sure that there is no pressure in the pipe line and drain the liquid Disconnect the communication cable suitable for the SMC Remove the flow meter ...

Страница 23: ...flow meter to SERVICE mode by setting a jumper on the cor responding contact pair Start the UBViewerProjects file on the com puter from the folder where it was loaded during installation The UB Viewer ModBus menu bar appears on the monitor Open the AFLOWT BUF M 310 vpr file and the Monitor BUF 310 application window will be displayed Fig 7 Fig 7 View of the Monitor BUF 310 application window The M...

Страница 24: ... corner of the application window Fig 7 If the operation is successfully completed the line to the right of the button should contain the following messages The data link is open and The com mand is executed successfully The button will change the view to Close communication channel Click the System button in the command line the System tab will appear in the application window Fig 9 Fig 9 View of...

Страница 25: ...sion on the Service tab Fig 10 Fig 10 View of the Service tab To change the current value of the parameter type a numeric value in the corresponding field or set a symbolic value from the drop down list and press the button You can also set the parameters of the universal and logic outputs in the Service tab To switch to the setting parameters of universal output operation set the checkbox in the ...

Страница 26: ...ch has the same appearance as shown in Fig 11 c 4 1 4 The information contained in the USS Settings tab is displayed only in the SERVICE and ADJUSTMENT operating modes and is only available for editing in the ADJUSTMENT mode In WORK mode the tab is not available for viewing 4 1 5 You can view the current values of the measured parameters on the Flow Data tab Fig 12 after pressing the Start reading...

Страница 27: ... is displayed on the Status tab after pressing the Start reading button Fig 13 Fig 13 View of the Status tab 4 1 6 To read the archive data go to the Data log tab Fig 14 select the type of archive hourly daily or monthly set the required interval in the Date from and Time from fields and press the Read button ...

Страница 28: ...stallation of the flow meter the pipeline is filled with the meas ured liquid The flow meter s battery is connected the flow meter is con nected to the computer and adjusted in accordance with the instructions in section 4 1 of this manual 4 2 3 The flow meter is ready for operation on initial start up or after a long interruption in operation after A 30 minute flushing of the CP with fluid stream...

Страница 29: ...edure The flow meter which has been put into operation operates contin uously in automatic mode Current values of measured parameters can be read from the flow meter LCD or via RS 485 M Bus Wireless M Bus or NFC interfaces ...

Страница 30: ... AFLOWT BUF monitor application 5 2 Installing the AFLOWT BUF monitor application The installation file for the AFLOWT BUF monitor application apk is downloaded from vzljot ru To install the application in Android 7 versions provide permission to the file manager as a source of software from an unknown source see Fig 15 Fig 15 Granting permission to the file manager Install the downloaded installa...

Страница 31: ...tor application installation window When the installation process is complete the AFLOWT BUF moni tor software icon Fig 17 should appear on the desktop and or in the ap plication menu Fig 17 AFLOWT BUF monitor application icon ...

Страница 32: ...the corresponding menu item Fig 18 in the smartphone settings Fig 18 Enabling NFC After installing the AFLOWT BUF monitor application the application will request access to the file system of the smartphone at its first start Fig 19 Otherwise saving of archives and its further use will be inacces sible ...

Страница 33: ...ing left or right When you start reading the parameters by pressing the READ but ton the progress bar in the form of a rotating circle will be displayed at the top of the screen Fig 20 Fig 20 Display of data exchange A green circle indicates that the data is currently being read or a con nection is being maintained Yellow circle Fig 21 the connection has been established but now the smartphone is ...

Страница 34: ...ton Fig 22 ABOUT UNIT tab window This tab displays the following parameters software version of the flow meter serial number of the flow meter nominal diameter DN op erating mode checksum CS of the software calibration factors infor mation about the use of universal and logic outputs values of output fac tors if the universal output works in the frequency or pulse mode ...

Страница 35: ...w rate value in m3 h and l min accumulated volumes direct reverse and to tal total operating time and trouble free operation time emergencies The total volume is calculated based on the obtained data on V and V If there are no errors all circles to the left of the name of the diag nosed ER are grayed out and if an error occurs the corresponding circle changes to red e g Fig 24 Fig 24 Display of th...

Страница 36: ...nthly last 48 records archives from the flow meter The appearance of the ARCHIVES tab is shown on Fig 25 Fig 25 ARCHIVES tab The tab is used to select the type of archive hourly daily or monthly After that you should press the READ button Thus the window with rec ords of the chosen archive Fig 26 opens ...

Страница 37: ...ds of the selected archive To view a certain record click on the line with the corresponding date To save all records in the file press the SAVE button You will see a request to confirm that you want to save SMCV files Fig 27 ...

Страница 38: ...38 Fig 27 Confirming the file saving Saving the files is accompanied by the message SMCV file was created Fig 28 ...

Страница 39: ...es are saved to sdcard Aflowt monitor export Depending on the type of smartphone the path to the saved archive files may differ NOTE The file name is formed with indication of the archive type and time of reading the record from the device Fig 29 ...

Страница 40: ...40 Fig 29 Saved archive files A message is displayed on the smartphone screen Fig 30 when you are finished with the application ...

Страница 41: ...41 Fig 30 Closing the application ...

Страница 42: ...the pipeline 6 1 2 Failure to comply with the operating conditions of the flow meter specified in clauses 1 2 5 and 2 1 external damage or damage to the internal CP surface may result in failure of the flow meter or exceeding the permissi ble level of measurement error In case of damage of the product or communication cable it is nec essary to contact the manufacturer to determine the possibility ...

Страница 43: ...the flow meter shall be forwarded for repair 6 2 4 If X is displayed in other positions or the lights are red in other lines of the Status tab and or in case of no pulses at Universal output check the following Liquid is present and running through the pipeline Air is not collected in the flow meter s location The universal output conversion factor and flow rate cutoffs are correct change their va...

Страница 44: ...oes not require any special mainte nance 7 3 The flow meters can be transported by road rail sea or air except for unsealed cargo compartments provided that the following requirements are met Flow meter is transported packed in the manufacturer s box Protection against moisture is provided Temperature is within the range of 25 to 50 C Humidity does not exceed 98 at 35 C Vibration is within the ran...

Страница 45: ...45 APPENDIX A Appearance of the flow meter a front view b side view Reference size 1 pipeline section 2 PEA 3 secondary converter Fig A 1 Flow meter AFLOWT BUF M of U 310 version ...

Страница 46: ...46 1 button 2 LCD 3 flow direction indicator 4 cover Fig A 2 Flow meter AFLOWT BUF M Front panel view ...

Страница 47: ...itches on the RS 485 interface module XP2 3 6 V battery connector XT3 universal output connector XT4 logic output connector J1 J2 contact pairs of the flow meter operation mode SK1 SK2 switches for setting the operating modes of the universal and logic outputs Fig A 3 View of the secondary converter processing module with RS 485 in terface module ...

Страница 48: ...48 APPENDIX B Wiring diagrams Fig B 1 AFLOWT BUF M flow meter wiring diagram ...

Страница 49: ...e parameter Active level Hihg the output voltage in the logic mode and the pulse amplitude in the frequency pulse mode depending on the resistance of the load can be from 1 7 to 3 6 V If there is no pulse and the Low level is in the logic mode the output voltage is not more than 0 4 V Operation of the output in active mode is allowed for a load with a resistance of at least 200 kOhm The terminal s...

Страница 50: ... start Total flow reset Zeroing of accumulated volume me ters start Table C 2 Service tab Fig 10 Median mean Number of measurements to determine the median value 1 21 7 Arithmetic mean Number of measurements to determine the arithmetic mean 1 50 25 Inertion time s Minimum duration of USS loss not fixed in the archives 0 255 10 Cutoff flowrate m3 h Minimal flow rate cutoff 0 000 999 000 0 250 Fast ...

Страница 51: ... output in frequency mode 0 999 999 Depending on DN Output conversion factor p m3 Output conversion factor 0 001 200000 000 Depending on DN Conversion factor calculation Output conversion factor calcu lation Start Current frequency value Hz Current frequency value 0 10 Corresponds to flowrate value Active level Output voltage level when a sig nal is present logic unit Low High Low Type Pulse Fig 1...

Страница 52: ...E The purpose of the logic output is similar to that of the univer sal output in logic mode Table C 4 Possible settings for universal output Parameter Possible output assignments when Type parameter is set off frequency pulse logic Off Flow any direction Flow direct flow Flow reverse flow Volume any direction Volume direct flow Volume reverse flow Reversing flow direction No ultrasonic signal Flow...

Страница 53: ...ive length of straight pipe sections for the various types of local hydraulic resistances required for in stallation of the flow meters Table D 1 Type of local hydraulic resistance Relative length of a straight run L minimum 1 2 10 DN 3 DN 10 DN 10 DN Regulating valve 30 DN Regulating valve 3 DN ...

Страница 54: ...ection of the pipeline to the nearest resistance to the PEA must be at least as specified in this table and the distance from the PEA to each of the other hydraulic resistances must be at least as large as the value given in the table for this type of resistance NOTE If there is no hydraulic resistance in the pipeline the flow me ter should be installed taking into account the lengths of straight ...

Страница 55: ...oard and rarer in the periphery d holes on the flow inlet side are chamfered D internal diameter of the pipeline where the flow straightener is inserted Fig E 1 Design of flow straightener of A type 2 To reduce the weight and amount of material the flow straightener of B type Fig E 2 can be used according to the following rules a tubes are inserted into the board holes b length of the tubes is equ...

Страница 56: ...3 D 5 0 129 D 0 078 D 6 0 134 D 0 225 D 7 0 156 D 0 381 D 8 0 252 D 0 9 0 255 D 0 146 D 10 0 288 D 0 288 D 11 0 396 D 0 12 0 400 D 0 151 D 4 The flow straightener is installed in the pipeline at 1 2 DN of the pipeline from the local resistance that is the last in the flow When installing the flow straightener the required length of the straight section in front of the PEA is defined as the distanc...

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