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Tork AFLOWT BUF-311, Operation Manual

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INTRODUCTION 

This  document  covers  battery  powered  ultrasonic  flowmeter 

"AFLOWT BUF" of BUF-311 version (the flowmeter below) and contains 
the information about its operation and design.  

Due to continuous improvement of product policy actual flowmeter’s 

specifications  may  differ  from  the  data  specified  in  this  manual.  How-
ever, this will not affect the metrological characteristics and functional-
ity. 

LIST OF ABBREVIATIONS 

CP 
CS 
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  displayed  on  the  flowmeter's  screen  or  PC  display 
when running "Viewer BUF-311" program. 

4 

Summary of Contents for AFLOWT BUF-311

Page 1: ...BATTERY POWERED ULTRASONIC FLOW METER AFLOWT BUF VERSION BUF 311 OPERATION MANUAL ...

Page 2: ......

Page 3: ... 18 2 3 1 Mounting preparation 18 2 3 2 Mounting requirements 18 2 3 3 Length requirements for straight pipe runs 19 2 3 4 Mounting the flowmeter on the pipeline 20 2 3 5 Wiring the flowmeter 20 2 3 6 Mounting the Secondary Power Source 20 2 3 7 Dismounting 21 2 4 Putting into operation 21 3 MAINTENANCE 22 4 CONTROLLING THE FLOWMETER 23 4 1 Configuring before work 23 4 2 Operation procedure 27 4 3...

Page 4: ... How ever this will not affect the metrological characteristics and functional ity LIST OF ABBREVIATIONS CP CS 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...

Page 5: ...nd reverse flows independently or calcu lating their algebraic sum with regard to flow direction Determining the current value of flow velocity and flow direction Outputting measurement results to the current frequency pulse and or logical outputs Logging of measurement data and configuration settings in the internal nonvolatile memory Displaying measurement configuration and history logged data o...

Page 6: ...er normal operating conditions the lithium battery keeps the flow meter operational for at least 4 years without changing the battery Normal operating conditions are as follows Ambient temperature from 15 to 35 C For frequency pulse logical outputs maximal operating frequency of no more than 8 Hz Logs are read via RS 485 not more frequently than once a month LCD works no more than 3 min per day 1 ...

Page 7: ...or from an external power supply DC 9 24 5V nomi nal voltage ripple factor of no more 1 via the Charger Power Sup ply unit If specified in the purchase order the Secondary Power Source VZLJOT IVP IVP 06 24 or ADN 1524 may be included in the delivery package Under normal operating conditions the battery accumulator in serted into the Charger Power Supply unit has the capacity to power the flowmeter...

Page 8: ...3 USB RS232 485 adapter 1 Optional 4 Installation kit 1 5 Operating documentation Equipment Certificate 1 Operation manual and dedicated software 1 CD disk NOTES 1 The required design version is specified in the order sheet 2 VZLJOT IVP Secondary Power Source IVP 06 24 or ADN 1524 models is included in the delivery package on order 3 The required items of the delivery package are specified in the ...

Page 9: ...rs PEAs and an acoustic path PEA fluid PEA 1 4 1 2 PEAs are diametrically see Fig 1 installed into the measuring section Pipeline Section PS making up together the Primary Converter CP Fig 1 Diagram showing Pipeline Section PS with PEAs installed 1 4 1 3 The CS generates electric sounding pulses which simultaneously come to PEA1 and PEA2 USS generated by one PEA is projected through the liquid flo...

Page 10: ...es are displayed as zero volume totalizing and pulse transmission to the uni versal output are cancelled Under Q Qmax condition where Qmax corresponds to the flow ve locity value of 5 m s the metrological characteristics cannot be en sured The flowmeter measures and displays flow rate values depend ing on temperature liquid density etc however volume totalizing and logging as well as pulse transmi...

Page 11: ...e flowmeter operates in three modes ADJUSTMENT adjustment and calibration SERVICE start up procedures OPERATION user mode The operating modes differ by level at which the user can access certain data transferred via RS 485 interface and modify flowmeter s configuration settings Maximum rights are granted in ADJUSTMENT mode The mode al lows the user to modify all of the configuration settings Minim...

Page 12: ...w Configuration of measuring pipe section device base axis base nomi nal diameter Settings for ultrasonic signal detection b Modify Settings for flowmeter s control via RS 485 interface network address delay duration transfer gaps etc Settings for battery status monitoring Settings and operating modes for universal outputs Measurement units of volumetric flow rate m3 h l min and volume m3 l Readin...

Page 13: ...nstantly on In OPERATION mode measurement results listed in Table 4 cyclically appear on the display on pressing the relevant button With each press ing of the button the next parameter is indicated When no button is pressed during the period specified in the Service window of Viewer BUF 311 program the LCD goes off 1 4 5 External connections 1 4 5 1 Serial interface RS 485 serial interface is use...

Page 14: ...CAUTION Please note that the higher the value of maximum fre quency the faster the battery is discharged The recommended Fmax value is 8 Hz In the pulse mode a burst of pulses is generated on the output within a second in which the number of pulses considering Pulse weight corresponds to the flow volume measured over a previous second Maximum pulse repetition rate permissible in a burst me ander l...

Page 15: ...s follows V total volume for direct flow over logging interval m3 l V total volume for reverse flow over logging interval m3 l Errors code of error situation Time of errors duration of error situation Operating time time of totalizer operation 1 4 6 2 Modifications made on the operation mode are logged in the Mode log with a capacity of 100 records Mode log format is as follows Order number of the...

Page 16: ...ee cable glands of SKINTOP type View of IVP 06 24 secondary power source is shown in Fig A 3 view of ADN 1524 power source is represented in Fig A 4 1 6 Marking and sealing 1 6 1 The front panel of the CS bears flowmeter s name and designation manufacturer s logo and sign of the Type Approval Certificate Serial number is indicated on the nameplate located on the CS case 1 6 2 The cap covering J1 t...

Page 17: ...cation and operating conditions requirements specified in this operating documentation are based on the most typical factors af fecting flowmeter performance The external factors that cannot be foreseen evaluated or tested by the manufacturer during designing may exist or appear on site In this case it is necessary to eliminate these factors or place the flowmeter in other location 2 2 Safety inst...

Page 18: ...ains inside When unpacking the flowmeter check that the delivery package contains all items specified in the Equipment Certificate 2 3 2 Mounting requirements 2 3 2 1 The requirements for on site mounting of the flowmeter are specified in section 2 1 2 The CP can be mounted into the pipeline horizontally vertically or obliquely Fig 3 The CP should not be placed at the upper point of the pipeline T...

Page 19: ...x D the on site survey is needed to specify the opportunities for individual measuring procedure based on the measurement conditions at the particular site 2 3 3 2 The lengths of straight pipe runs for the hydraulic resistance of thermal transducer in a protection sleeve type can be defined in accordance with the two bottom lines of the table in Appendix A for plugged tap pings provided that the f...

Page 20: ... flowmeter and hit it while mounting This can cause damage to the PEAs installed on it DO NOT take the flowmeter by the CS case or PEA connection cables During welding PROVIDE the CS cable and PEA cables with adequate protection from sparks The welding temperature at the PEA section SHALL BE lower than 100 C 2 3 5 Wiring the flowmeter 2 3 5 1 The flowmeter s power cable and CS external devices con...

Page 21: ...authorized access CAUTION The Manufacturer s warranty does not cover the flow meters put into operation after 6 months from the date of purchase 21 2 3 6 2 SPS mounting location is determined with regard to the following con siderations Length of input and output cables SPS must be protected from condensate or liquid fallen from the pipes running nearby SPS must not be placed in rooms where temper...

Page 22: ...s are detected on the flow meter power cables or signal cables contact the Service Center or re gional dealer for the information about the device s operability 3 3 Presence of display indication means that power is applied to the Flow meter the indicated information gives an idea of the flowmeter s per formance The list of possible faults indicated by the flowmeter is given in section 4 3 of this...

Page 23: ...operating system To install Viewer BUF 311 program create a directory with the same name and copy BUF 311 vpr file to this directory The program does not require another installation procedure 4 1 2 Getting started Connect the serial port of a PC and RS port of the flowmeter RS232 485 or USB RS232 485 adapter by a cable Activate SERVICE mode place a jumper on J2 terminal The list of parameters to ...

Page 24: ...ix C 4 1 3 Click on the Service tab Fig 7 displays the window that will appear Fig 7 Service window The window allows you to set USS parameters and specify opera tion settings for the LCD and universal outputs To activate the parame ter enter the required numeric value or symbol in the corresponding field and press button 4 1 4 Click on the Flow Data tab Fig 8 displays the corresponding window Pre...

Page 25: ...he Start button the current status of the flowmeter is indicated Fig 9 Fig 9 Status window 4 1 6 To read the logs go to the Data Log tab Fig 10 select log type Hourly Daily or Monthly set the required interval in Date and Time fields and press the Read button 25 ...

Page 26: ...nection between the networked flowmeters via RS 485 interface 4 1 8 Set the flowmeter to OPERATION mode remove the jumper from J2 terminal Terminal J2 should be sealed If necessary seals may be hung through the lugs located on the front and rear panels of the CS case NOTE In SERVICE and OPERATION modes the user is not al lowed to modify the parameters displayed in the USS Set tab 26 ...

Page 27: ...he battery accumulator starts to recharge Time to full charge of the Bat tery accumulator is within 4 hours 4 2 3 Discharge of the lithium battery or shutdown of the accumulator pro vided that mains supply is off will result in loss of the measurement values of volume accumulated during current logging intervals hourly daily and monthly logs Since values in the logs are totalized i e writ ten on a...

Page 28: ... read via the communication interface from the Status tab of the Viewer BUF 311 program see section 4 1 5 4 3 3 If X symbol is displayed in position 1 the flowmeter shall be forwarded to the manufacturer for repair If X symbol is displayed in position 2 battery replacement is re quired 4 3 4 If X is displayed in other positions and or in case of no pulses at Uni versal output N1 check the followin...

Page 29: ... During storage the flowmeter does not require any special mainte nance 5 3 The flowmeters can be transported by road rail sea or air provided that the following requirements are met Flowmeter is transported packed in the manufacturer s box Protection against moisture is provided Temperature is within the range of 25 to 55 C Humidity does not exceed 98 at 35 C Vibration is within the range of 10 5...

Page 30: ...APPENDIX A General view 1 indicator 2 button 3 cable gland Fig A 1 Flowmeter BUF 311 Table A1 Flowmeter s net weight Nominal diameter mm Weight kg 50 9 80 12 100 16 150 27 30 ...

Page 31: ...nnector for DC 24V Charger Power Supply unit if applicable XP6 XP7 connec tors for Universal outputs N1 and N2 respectively J1 J2 terminals used to set operation modes SK1 switch used to set operation modes for universal outputs Fig A 2 Measurement and Calculation board 31 ...

Page 32: ...ltage reference dimension Fig A 3 Secondary Power Source VZLJOT IVP model IVP 06 24 1 power source 2 bracket for 35 7 5 DIN rack mounting 3 terminal block for DC 24 V output voltage 4 Secondary Power Source indicator 5 contact hole for ad justment of output voltage 6 terminal block for connection to mains AC 220 V 50 Hz reference dimension Fig A 4 Secondary Power Source ADN 1524 32 ...

Page 33: ...APPENDIX B Wiring diagrams Fig B 1 BUF 311 Flowmeter wiring diagram 33 ...

Page 34: ...ve level parameter is set to High output voltage in the logic mode and pulse amplitude in the pulse mode is within 3 3 to 3 6 V In case of no pulse or at logic Low the output voltage is no more than 0 4 V External load resistance shall be 500 kOhm as a minimum In the passive mode power from an external power source with output DC voltage from 5 to10 V can be applied Permissible value of external l...

Page 35: ...tandard user no switch Data log clear Clearing logs start Total flow reset Zero setting for volume totalizer start Menu Service Median mean Number of measurements to de termine the median value 1 21 7 Arithmetic mean Number of measurements to de termine the arithmetic mean val ue 1 50 25 Inertion time s Minimal duration of the event re corded to logs 0 255 0 Cutoff flowrate m3 h Minimal flowrate c...

Page 36: ...utput scaling factor 0 010 200000 000 4500 000 Conversion factor calc Calculation of output conversion factor start Current fre quency value Hz Current frequency value 0 120 Corresponds to flowrate value Active level Logic high level on the output Low High Low Pulse Volume Function of the output See table C 2 any direction Output function tab Pulse weight m3 pulse Pulse weight 0 000005 100 0000 0 ...

Page 37: ... Pulse Logic Disconnected Any direction Direct flow Reverse flow Any direction Direct flow Reverse flow Reversing flow direction No ultrasonic signal Flowrate exceeds the high set point Any Errors Battery low level Ext 24V on NOTE Settings for the Universal output N2 are the same as for the Universal output N1 in the logic mode 37 ...

Page 38: ...hows minimum values of relative length of pipeline straight runs for type installation depending on the types of local hy draulic resistance Table D 1 Type of local hydraulic resistance Relative length of a straight run N minimum 1 2 10 3 10 3 10 3 10 10 38 ...

Page 39: ...s types of hydraulic resistance in the pipeline the length of a pipeline straight run related to the resistance nearest to the PEAs should be no less than the value specified in the table and the distance from PEAs to other hydraulic resistances should be no less than the value specified in the table for hydraulic resistance of this type 39 ...

Page 40: ... rare ly at the periphery d Holes have chamfers from the flow inlet site D internal diameter of the pipeline where the straightening vane is inserted Fig E 1 Design of type A flow straightening vane 2 To lower weight and material quantity a type B straightening vane Fig E 2 can be used it is manufactured according to the following rules a Tubes are inserted in the plate holes b Tube length is equa...

Page 41: ...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 straightening vane is installed in the pipeline at a distance of 1 2 pipeline s DN from the last source of hydraulic resistance with respect to the flow direction When installing the straightening vane the length of a straight run before PEA is determined as ...

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