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NT UF 841 CP GB (d) / June 2015

6) "Pipe" tab (in the "Pipe" drop-down menu)

The screenshot below shows an example of settings in Advanced mode. All the settings displayed below
have been described previously in this document (see section 5.4.2).

7) "Definition of chords" tab (in the "Pipe" drop-down menu)

The screenshot below shows an example of settings in Advanced mode. All the settings displayed below
have been described previously in this document (see section 5.4.2).

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Содержание Uf 841

Страница 1: ...e Rosa Luxemburg 95610 RAGNY SUR OISE FRANCE Tel 33 0 1 30 27 27 30 Fax 33 0 1 30 39 84 34 2014 ULTRAFLUX S A All rights reserved No part of this document may be reproduced without prior written auth...

Страница 2: ...n _____________________________________________________________________ 10 1 13 Performance of the flow meter __________________________________________________ 11 1 14 Cleaning the flow meter________...

Страница 3: ..._____________________ 65 6 2 Application examples Calorimetry ________________________________________________ 65 6 3 Application examples Conversion of gas flow rate into standardised flow rate _____...

Страница 4: ...4 NT UF 841 CP GB d June 2015 CHAPTER 1 OVERVIEW...

Страница 5: ...d June 2015 1 1 Overall view of the converter 1 1 1 Unit closed General view Front view without cover Rear view Probe inputs Protective ground connection Screen Mounting Cable glands Lights Identific...

Страница 6: ...B d June 2015 1 1 2 Unit open Lower view Upper view Displayer view USB connector Ultrasonic chord connections Input output connections Jumpers for cable shield grounding Power supply connection Serial...

Страница 7: ...imensions and weight Height 160 mm Width 142 mm Depth 273 mm including glands Weight 12 kg 1 4 Operating environment For internal or external use Temperature 20 C to 50 C Hygrometry 80 maximum Ventila...

Страница 8: ...rovided for this purpose Ground phase neutral The terminal boards must only be connected or disconnected with the power off and the equipment isolated During maintenance or installation operations the...

Страница 9: ...nd chords The Uf 841 enables the control of a maximum of 4 ultrasonic chords or 8 probes 8 cable glands are provided to pass the probe cables through In principle only ultrasonic probes supplied by Ul...

Страница 10: ...hts Two LEDs are present on the front panel Blue measurement LED indicates whether or not the flow meter is in measurement mode as opposed to configuration mode A flashing LED indicates normal operati...

Страница 11: ...electrical and electronic equipment batteries and accumulators in France Ultraflux delegates the responsibility for financial and also logistical recovery to the user who will manage their own waste...

Страница 12: ...12 NT UF 841 CP GB d June 2015 CHAPTER 2 SAFETY INSTRUCTIONS...

Страница 13: ...e stored in a dry place with the packaging provided by Ultraflux in order to protect the parts liable to be damaged by a shock It is advised to wear PPE personal protective equipment suitable for hand...

Страница 14: ...d and the power switched off before opening the unit or connecting or disconnecting inputs and outputs EC marking indicates compliance with European Community requirements Dangerous voltages in the un...

Страница 15: ...ntenance on the flow meter must only be carried out by Ultraflux staff SAV and using only parts supplied by Ultraflux Only operations relating to installation and start up may be carried out without t...

Страница 16: ...tact address For any requests for information please contact us at ULTRAFLUX 9 All e Rosa Luxemburg 95610 ERAGNY FRANCE http www ultraflux net E mail ultraflux ultraflux fr Tel 33 0 1 30 27 27 30 Fax...

Страница 17: ...17 NT UF 841 CP GB d June 2015 CHAPTER 3 INSTALLATION AND WIRING...

Страница 18: ...k of injury Assembly must be carried out or inspected by Ultraflux to ensure the unit is leakproof and will operate correctly Important Avoid installing the Uf 841 close to a frequency converter If th...

Страница 19: ...so possible In this case ISO M8 threaded holes must be made To facilitate installation of the unit please follow the steps below Attach the unit to the selected support using ISO M8 screws Open the en...

Страница 20: ...installing or uninstalling The isolation devices must be locked and tagged The wiring must comply with the diagrams provided for the power supply and for the inputs outputs It is sometimes necessary t...

Страница 21: ...s power supply cable conductors see 3 6 1 3 6 Wiring the Terminals Apart for the USB connector all connections require plug in terminals that may be unplugged from the machine if this makes it easier...

Страница 22: ...prevent the threads of the ground from becoming loose and thus causing short circuits After passing it through the cable gland of your choice connect the probe cable to the terminal board disconnect...

Страница 23: ...fter checking that these input output modules have been actually activated through the CONFIGURATION menu their allocation to the different connectors 1 A to 4 B is available in the input and output c...

Страница 24: ...tor at each end of the line especially if the cable is long This resistance is planned for on the electronic card simply add a jumper between points 5 and 6 to connect it 1 RS232 mode wiring 2 RS485 m...

Страница 25: ...25 NT UF 841 CP GB d June 2015 CHAPTER 4 INSTALLING A MEASURING POINT...

Страница 26: ...and is fully developed and stable a Symmetrical laminar flow b Unsymmetrical laminar flow The following three conditions are not fulfilled in an area of disturbed flow for example at the outlet from a...

Страница 27: ...27 NT UF 841 CP GB d June 2015...

Страница 28: ...have been able to test a measurement made using 4 parallel chords placed at 1 6 D from a T followed by a butterfly valve The error under these very unfavourable conditions was 2 Under the same conditi...

Страница 29: ...29 NT UF 841 CP GB d June 2015 Locations not recommended Vertical pipe with downflow particularly in the case of free flow High points...

Страница 30: ...ed to refer to the teaching manual available on request in order to understand the significance of these settings o Parallel mode The chords are placed in parallel planes which section the fluid speed...

Страница 31: ...ration N or Z configuration Reflex or V configuration W configuration Note The longer the travel the more accurate the measurement On the other hand the ultrasound echo will be weaker the longer the d...

Страница 32: ...face of the strip 3 Installing the probe Place the probe on the strip and fix it in place by firmly tightening the stainless steel collar supplied Preferably position the collar locking screw on the o...

Страница 33: ...check with Ultraflux whether your probes can be extracted under load or not Whether an inserted probe may be extracted under load or not is determined by the probe used and the application conditions...

Страница 34: ...f probe 7th step Readjust the alignment of the probes checking the gain displayed by the flow meter 3 Probes with air lock 1st step Check the position of the bosses relative to the drawing provided by...

Страница 35: ...35 NT UF 841 CP GB d June 2015 CHAPTER 5 USING AND CONFIGURING THE Uf 841...

Страница 36: ...e keypad the front cover must be opened A fire permit may be compulsory for this type of operation Generally before use please read the safety rules for the site where the machine is installed 5 1 1 O...

Страница 37: ...enu to the other press the Fn function key or the t and u keys To enter the first page of a menu press the q key or the B key To then move down one page press the B key To move up one page press the A...

Страница 38: ...onds and displays the screen or page that was previously selected as priority To choose this default screen select and validate it by pressing B in Measurement mode To scroll through the measurement s...

Страница 39: ...gas or liquid In advanced configuration you can define a wall with up to 3 different materials layers see 5 6 1 Two different types of probe may be used External clamp on probe the probe is placed on...

Страница 40: ...operating modes the registration name the JBUS MODBUS characteristics configuration management etc PIPE FLUID CONFIGURATION setting of the type of fluid the pipe the chords the geometry of the chords...

Страница 41: ...ct the configuration number under which you wish to save it The saving of the configuration is then confirmed when passing to another menu page or following an extended press of the Fn key The name of...

Страница 42: ...is locked for a few seconds The time for which the flow meter is locked increases each time that an incorrect code is entered by the user Notes The flow meter can be locked manually Select the Locked...

Страница 43: ...ment mode The flow meter automatically returns to the Measurement screens after approximately one minute The modified settings are then be taken into account This avoids the risk of forgetting to exit...

Страница 44: ...w graph is 1 min each point of the curve represents the average value of the magnitude associated with the flow graph over 1 min and the whole screen shows the evolution of the flow over the last 144...

Страница 45: ...ivated totalizer emits an incrementation pulse which can be returned on a relay output see section 5 4 4 point 5 each time that the Pulse weight x Unit volume flows in the metering direction of the to...

Страница 46: ...l additional inputs outputs please contact Ultraflux to find out the specifications of all available inputs outputs 1 Current input and voltage input module The possible options are OFF disabled ON en...

Страница 47: ...ltage output module The possible options are OFF disabled Voltage output o 0 5 V o absolute value 0 5 V Current output o 0 20 mA 4 20 mA 0 24 mA o absolute value 0 20 mA 4 20 mA 0 24 mA For the voltag...

Страница 48: ...es a pulse with an adjustable width on each incrementation of the selected totalizer The pulse width must then be defined determining the time for which the relay remains closed the relay initially of...

Страница 49: ...s greater than the indicated threshold The relay switches to the opposite state if the value concerned is lower than the threshold Comment In order to restrict the relay backlash when the dimension co...

Страница 50: ...handling errors 3 Number of parameters for the logger Up to 30 variables can be recorded in the logger The number of variables can be adjusted Its maximum autonomy is for 530 000 time stamped reading...

Страница 51: ...ger To do this define the maximum variation percentage with regard to the previous recording If the variation measured is greater than this maximum recording is instantly triggered no more than once p...

Страница 52: ...reaches the expected zone for example if one of the probes is not connected or if one of the probe cables is damaged the screen displays a sign in place of the acoustic signal The second screen shows...

Страница 53: ...r to avoid untimely actions from the instrumentation and control part of the installation Two situations may arise Case no 1 Duration of the measurement loss less than the memory time In this case the...

Страница 54: ...ines the force of the filtering following a flow rate step quick opening of the isolation dam the value measured reaches the final value at 1 after the time constant To adjust this time constant a sim...

Страница 55: ...a non exhaustive list The celerity relating to the selected fluid is displayed automatically in the C0 field If a fluid not shown in the list you can select Product OTHER and define a special C0 value...

Страница 56: ...lic speed profile a Laminar flow b Turbulent The fluid veins are not parallel to the axis of the pipe This results in a rectangular speed profile b Turbulent flow The KH can be calculated automaticall...

Страница 57: ...a filter which is sufficient to comfortably see the change of the measurement and to retain reactivity while not filtering large variations in velocity 2 Material of the pipe wall In Advanced mode you...

Страница 58: ...ue of the Reynolds number Reynolds number at which the flow transition occurs and width LBR of the transition Comment The higher the LBR the more abrupt the transition 4 Seek gain and Gain max The gai...

Страница 59: ...ee to contact Ultraflux to determine the value of the weighting coefficients 5 6 2 Linearisation settings menu One last action possible on the flow is the linearisation of the result Depending on the...

Страница 60: ...probes Before using this option you are strongly recommended to contact Ultraflux To use probes other than those of Ultraflux use the special probes function T0 represents the dead time of the probe...

Страница 61: ...he data relating to the flow flow rate measured Reynolds number calculated KH average speed in the pipe etc 3 Specific information relating to the chords These pages which depend on the number of chor...

Страница 62: ...This screen shows the date and time of the flow meter and the information relating to when it was last powered on Information for Ultraflux use only 6 Info logger This page shows the status of the lo...

Страница 63: ...e required distance between the probes 9 Flow graph The flow graph is a screen which shows the changes in a particular magnitude in the form of a curve 5 7 2 Verification of the quality and consistenc...

Страница 64: ...64 NT UF 841 CP GB d June 2015 CHAPTER 6 FUNCTION ENGINE...

Страница 65: ...ers The function engine allows us to carry out this calculation internally in the flow meter 6 2 2 Calorimetry It is possible to measure the heat flow of an installation If a cold temperature measurem...

Страница 66: ...841 CP GB d June 2015 Caloric heat flow measurement on a heater 2 0 2 4 6 8 10 12 14 16 18 17 57 07 18 00 00 18 02 53 18 05 46 18 08 38 18 11 31 18 14 24 18 17 17 18 20 10 Time delta_T C Power kW Ene...

Страница 67: ...the temperature should be entered into the machine manually via the function settings menu As an option the temperature and pressure may be integrated via an analogue input This is an option to be re...

Страница 68: ...68 NT UF 841 CP GB d June 2015 CHAPTER 7 PC SOFTWARE...

Страница 69: ...install the software 1 Run the Setup exe installation program included on the CD ROM 2 Select the language to use for the installation and for displaying the screens 3 Using the Browse button specify...

Страница 70: ...the flow meter Configuration menu to o Configure the PC software o Load the configuration file o Save the configuration file About menu to o Obtain information on the version of the PC software 7 1 2...

Страница 71: ...downloads 7 1 5 Icons Icons are displayed at the bottom of each window of the Dialogue Menu with the flow meter This icon in the form of a disk runs the save procedure The software then asks you for...

Страница 72: ...Measurement command 1 List of available tabs The measurement window contains the following tabs General tab contains the general information on the measurement QA flow rate tab contains the general i...

Страница 73: ...3 NT UF 841 CP GB d June 2015 2 General tab This tab displays the main information about the measurement graphic display of the measurement instant values of the flow rate and flow velocity totalizers...

Страница 74: ...isplays the main information concerning the measurement channel graphic display of the measurement instant values of the flow rate and flow velocity and KH information related to the measuring chords...

Страница 75: ...he Dialogue Settings command contains the following tabs In the General drop down menu o General tab selection of the flow meter display language and name of the flow meter defined during the installa...

Страница 76: ...on loaded in the PC is the current configuration of the flow meter 2 General tab in the General drop down menu The settings window is used to configure the flow meter from the PC As with the keypad yo...

Страница 77: ...Advanced mode All the settings displayed below have been described previously in this document see section 5 4 5 4 Totalizers tab in the General drop down menu The screenshot below shows an example o...

Страница 78: ...wn menu The screenshot below shows an example of settings in Advanced mode All the settings displayed below have been described previously in this document see section 5 4 4 You can choose whether or...

Страница 79: ...ced mode All the settings displayed below have been described previously in this document see section 5 4 2 7 Definition of chords tab in the Pipe drop down menu The screenshot below shows an example...

Страница 80: ...the external chord when the internal chord is faulty the external chord takes over the input module which will serve as a velocity measurement a 4 20 mA module may be used to recover a Doppler velocit...

Страница 81: ...eriod and Time command you will be able to process this data with the software used for data handling Excel by default if this is installed on your computer A macro for Excel is provided Data processi...

Страница 82: ...82 NT UF 841 CP GB d June 2015 Appendix I Characteristic echo signals...

Страница 83: ...litude of the echo is at its maximum and the echo is rising rapidly without too much distortion deformations The following figures show the most commonly observed echo signals Ideal signal quick rise...

Страница 84: ...signal gain greater than 50 dB may mean that the probes require realignment or maintenance pollution on the surface of the probe Presence of electromagnetic interference Comment in this case move the...

Страница 85: ...85 NT UF 841 CP GB d June 2015 Appendix II Speed of sound in water...

Страница 86: ...5 Sound propagation velocity in water t C C m s t C C m s 0 1422 8 30 1506 4 5 1426 5 35 1520 1 10 1447 6 40 1529 2 15 1466 3 45 1536 7 20 1482 7 50 1542 9 25 1497 Approximate value C 1557 0 0245 74 t...

Страница 87: ...87 NT UF 841 CP GB d June 2015 Appendix III Troubleshooting III 1 Diagnostic indications III 2 Description of fault bits III 3 Fault grid...

Страница 88: ...rectly positioned with regard to each other o Probes excessively clogged o Fluid too absorbent too much slurry excessively aerated Contact us and we will work with you to find the best solution o Prob...

Страница 89: ...lay overflow appears permanently or intermittently in the case of a relay output configured in totalizer mode Cause o Too many pulses output within the allocated time Actions to take o Adapt the pulse...

Страница 90: ...puts of the function engine This fault is used to identify a calorimetry problem for example 19 Ultrasound configuration The ultrasonic board has a configuration problem 20 Alarm C A peripheral system...

Страница 91: ...ay A output outside range Relay A cannot output the required frequency based on the programmed range 2 On relay B output metering Relay B cannot output the number of pulses required based on the progr...

Страница 92: ...rd immersion Chord submerged 26 Overspeed underspeed Chord overspeed underspeed 29 Flow calculation Chord taken into account in the flow calculation 30 Fault Fault on a chord 31 Not valid Chord not va...

Страница 93: ...the function engine If the problem persists contact Ultraflux Com ER There is a programming problem with the two DSP processors Turn the flow meter off and then back on If the problem persists contac...

Страница 94: ...94 NT UF 841 CP GB d June 2015 Appendix IV Link protocol of the Uf 841 IV 1 Serial link characteristics IV 2 Reading of N words with N 125 IV 3 Modbus Jbus table IV 4 CRC16 calculation algorithm...

Страница 95: ...ion speed from 300 to 115200 bauds Number of bits 8 Parity None Number of stop bits 1 For FLOAT type information it must be possible to read two consecutive words or 4 bytes The format complies with t...

Страница 96: ...tion code for reading N words is 3 Request Data Slave no 3 address 1st word number of words CRC16 Size 1 byte 1 byte 2 bytes 2 bytes 2 bytes Response Data Slave no 3 number of bytes read value 1st wor...

Страница 97: ...r3 Weight USHORT 0211 529 0411 1041 Totalizer3 Unit USHORT 0212 530 0412 1042 Totalizer4 value ULONG 0213 531 0413 1043 Totalizer4 Weight USHORT 0215 533 0415 1045 Totalizer4 Unit USHORT 0216 534 0416...

Страница 98: ...FLOAT 0253 595 0453 1107 Fault ULONG 0255 597 0455 1109 Probe Reference USHORT 0257 599 0457 1111 Distance Between Probes USHORT 0258 600 0458 1112 0259 601 0459 1113 chord 03 0259 601 0459 1113 Avera...

Страница 99: ...e FLOAT 02D1 721 04D1 1233 Fault ULONG 02D3 723 04D3 1235 02D5 725 04D5 1237 IO 02B 02D5 725 04D5 1237 Value FLOAT 02D5 725 04D5 1237 Fault ULONG 02D7 727 04D7 1239 02D9 729 04D9 1241 IO 03A 02D9 729...

Страница 100: ...ue FLOAT 0325 805 0525 1317 Fault ULONG 0327 807 0527 1319 0329 809 0529 1321 Function output 05 0329 809 0529 1321 Value FLOAT 0329 809 0529 1321 Fault ULONG 032B 811 052B 1323 032D 813 052D 1325 Fun...

Страница 101: ...xclusive OR n number of bits poly calculation polynomial of CRC16 1010 0000 0000 0001 generator polynomial 2 X2 X15 X16 the first byte sent is the one with the least significant bits END BYTE Offset t...

Страница 102: ...ter _______________________________________________________ 11 1 16 CE marking__________________________________________________________________ 11 CHAPTER 2 SAFETY INSTRUCTIONS ______________________...

Страница 103: ..._38 5 2 Main configuration elements _____________________________________________________ 39 5 2 1 Number of channels ______________________________________________________________________39 5 2 2 Des...

Страница 104: ...eek gain and Gain max_______________________________________________________________________________ 58 5 Weighting coefficients of the chords _________________________________________________________...

Страница 105: ...l drop down menu _________________________________________________________ 77 5 Inputs Outputs tab in the General drop down menu ____________________________________________________ 78 6 Pipe tab in t...

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