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Adash 4400 VA4Pro ffl User Manual

1. 1600 16 30 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro New Advanced The base menu for definition of measurements appears The content of the menu is implication of the measurement Type selection first row See next table The black area means that the item from left column is used for the type of measurement top row Meas_Point_A REC Default Rec Edit Measurement Detect Type RMS Channel 1 Band fmin Hz 10 Band fmax Hz 6400 fs 16384Hz Speed control off Samples 4096 t 0 255 Avg off Unit g OK Type wide g env time g env orbit 5max spec g env speed ACMT orda aps fresp de center band wide signal time spec Orders Ampl Freq line band siqnal Phase Resp ASAS EE EE EMEN A NERA RE AA Detect Type EXE EET A Result Type Channel Band fmin Hz Band fmax Hz ENV fmin Hz ENV fmax Hz Speed control Input channel Output channel FFT Window Ranqe ACMT FS Hz Samples Revolutions Lines Orders Ave Overlap Resolution Unit 31 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Detect Type RMS P P 0 P The detected value property P means Peak Result Type H1 H2 H3 Standard frequency response functions H1 input noise H2 output noise H3 the average of H1 and H2 Channel 1 4 The input signa
2. Route Sensors Global Launcher Manual entry The route may contain the measurements which have to be entered manually e g temperatures read from analogue display The measurement with subtype MANUAL in DDS is defined Before beginning of measurements from sensors after you press START button the window for manual input appears one for each manual input Enter value C Temp Graph Export to VA4 DISC The computer can read any data from VAA4 DISC only The route with measured data has to be exported to this memory before the transfer During the route measurement are data saved to the VA4 hard disc only When the route is closed the VA4 asks the user Export to VA4_ DISC and user selects one option The export to VAA DISC is not done automatically because the writing procedure to flash is slow The large route export can take several minutes That is why the user can determine when the right moment to export the route is In the menu item Route Export you can select the route and export it manually Download of the route to the computer The process is the same as the load of route to the instrument In Connect instrument window use the Read from Instrument button Select the required route from the list all routes saved in the VA4 DISC and read it The list of all points appears in instrument window The grey items were not measured Press Store to database to save data 76 For further technical and contact i
3. The Overlap enables to you to make the averaging faster E g 75 overlap means that ending 75 of actual time signal 25 of new signal is used for next average 46 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro G env spectrum measurement Channel 1 Window hanning ENV fmin Hz 900 ENV fmax Hz 25600 f5 65536Hz Range Hz 800 Lines 800 t 1s df 1Hz Avg Overlap OK 1 g env spec ch 1 R 800Hz L 800 T 1s 25 1Hz 0 2 lg RMS 1 92 D Y 0 181 Hz 100 600 700 800 It is very similar to standard spec signal measurement But the signal is additionally filtered in ENV fmin EN fmax range and then it is enveloped It means the envelope modulator was applied See other sources for more information about enveloping if you need it The Unit cannot be changed only the acceleration g unit can be used No integration of signal is enabled Speed measurement The machine speed revolutions is measured When the tacho sensor is used connected to the tacho input then the impulses is added to all AC inputs In the time signal graph are marked by short red lines 2 time ch 1 B 10 3200Hz NS 4096 T 0 5s 100 m 50 iol as MB RU 1l r 4 50 100 O 1 speed 1 29 1Hz The speed measurement is taken 8 times in every second The value is evaluated from 3 tacho events in time signal When the averaging is required t
4. Cursor Triggering 4 DC or 4 20mA has to be specified in order 24 V or 4 20mA 100kOhm V DC 250 Ohm 4 20mA DC 12 bit input 0 1 fsd up to 30 V 0 25 sec for 25600 lines FFT spectrum Metric Imperial English or user programmable Hz CPS RPM CPM Orders Acceleration Velocity Displacement User defined Linear or Log both X and Y axes Single Harmonics Sidebands free run 82 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro tacho amplitude positive or negative external voltage Signal Range full No Auto ranging Data acquisition TRUE RMS TRUE PEAK TRUE PEAK PEAK overall or band values user defined high low and band pass filters for band measurement time waveforms 65 536 samples max real time FFT 3D graphs waterfall cascade order analysis Amplitude phase values on speed frequency speed measurement process static DC or 4 20mA values Envelope demodulation ACMT procedure for low speed machines bearings Time waveform samples 256 65536 Waveform length max 1024sec Spectrum ranges 25 76800 Hz Spectrum lines 100 25600 Spectrum Peaks listing yes Spectrum units RMS 0 P and P P Windows Rectangular Hanning Exponential Transient Order analysis parameters 1 2 10th order Averaging 1 255 Overlap yes Smax Gap and Centerline displays for proximity sensors yes Recording Sampling frequency user defined in
5. Speed control off The correspondent signal time length is displayed under this item Lines value Number of lines The correspondent signal time length is displayed under this item Orders 1 2 1 5 1 5 1 2 1 10 1 10 Avg value Averaging number How the averaging is used depends of type of trigger freerun when the measurement is started all signals needed for averaging is taken continuously external when the external trigger comes all signals needed for averaging is taken continuously without waiting for next trigger tacho every signal for averaging is triggered constant phase amplitude every signal for averaging is triggered constant phase manual every signal for averaging is manually triggered Overlap value Overlapping of signals in averaging Unit name The required unit for results and graph This information is used for decision whether and how many integrations should be used 32 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Next Meas functions New Advanced Copy Edit Delete Aside the New functions are available next functions which help you to work with Meas The most often used is the Edit item which open the list of all parameters and enables to change them The sense both Copy and Delete items is evident Next Set functions Copy Rename Delete Clear Data Notices View Trend View Actual Project List These func
6. VA4Pro The Route Loading of the route to the instrument The co operation with DDS software is required for the route measurement See also the DDS user manual for more details We do not describe all details about DDS function in this guide Open the database in DDS from which you want create the route Use Connect Instrument function and the route window appears Connect the unit with the computer See Connection to the computer chapter Press the Connect button the message window with connection process description should appear Move required points from DDS tree to the route window use mouse Drag n Drop DDS2011 TG Database Trees Resources Tools window Options Help 33 x9 DE 4T aS E EX ZEEE a Machine el Item Cel View Selection Scheme Instrument re e Read route from file Save route ta file Power Station y Turbo Generator Disconnected Connect Fans Y a Power Station Motor Turbo GeneratoriFansj Fan 1 ne ALI Ry BLIRH BHL RV BIL RH BL2AXx Fan UB ass Motor S Fan E ME 3 i 5 B PE B You can see that the structure of tree is changed This is because in VA4Pro strictly requires the tree with the following structure Tree Name Machine Measuring Point Data Cell If there are more branches in DDS tree in a path between this items the names of such items are combined together like in this example Turbo Generator Fa
7. 17 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro retrig When you use the analogue oscilloscope you see always the actual new signal on the screen This means the similar thing The measurement is repeated until you push the Stop button Select the single option when you want only one measurement RunUp Mode How often should be data taken in the runup has to be define asap The next measurement is taken immediately after previous measurement without any delay Be careful of duration of runup the maximum is 6400 measurements manual The user starts next measurement manually speed The next measurement is taken when the speed is significantly different from the previous measurement speed The user defines in Speed change Hz item what it is significant change time All measurement are taken with the same time interval between them The time interval length is define in Time Change s Speed change Hz 1 10 user see RunUp Mode section the previous section The RunUp Mode must be Speed for value entry Time change s see RunUp Mode section The RunUp Mode must be Time for value entry Every measurement must be triggered it means started When you press the Start button for taking the measurement you run only the preparation When everything is ready to take the data then the Trigger Source item is applied In RunUp mode is the frequency of measurements cont
8. 5 NOT USED 6 CH1 DC INPUT 7 NOT USED IN2 socket 1 CH2 AC INPUT 2 GROUND 3 CH1 AC INPUT 4 SHIELDING 5 CH3 AC INPUT 6 CH2 DC INPUT 7 CH4 AC INPUT Pay attention to possibility of connecting all four AC channels to IN2 12 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd IN3 socket 1 CH3 AC INPUT 2 GROUND 3 CH1 DC INPUT 4 SHIELDING 5 CH4 DC INPUT 6 CH3 DC INPUT 7 CH2 DC INPUT Pay attention to possibility of connecting all four DC channels to INS IN4 socket 1 CH4 AC INPUT 2 GROUND 3 20V DC OUTPUT max 10mA 4 SHIELDING 7 NOT USED TRIG socket 1 GROUND 2 NOT USED 3 NOT USED 4 5 V OUTPUT 50 mA for tacho power supplying 5 TRIG INPUT for tacho signal 13 Adash 4400 VA4Pro For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Standard cable wiring The standard cable which are the part of the unit have the sensor signal connected to the pin number 1 The second sensor wire is connected to the ground pin 2 When you use this cable In IN1 socket the signal will be measured on CH1 In IN2 socket the signal will be measured on CH2 In IN3 socket the signal will be measured on CH3 In IN4 socket the signal will be measured on CH4 ver 2 0 and
9. 600 screen pixels But the spectrum could have 25600 lines and then 42 lines is displayed in one pixel line 42 25600 600 This number of lines in one graph pixel is different for other total line number and used zoom In the older VA4 version we used the cursor movement procedure by lines It means that the cursor moves inside one pixel without any real move on the screen The users complained about 19 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro it In the version 2 we have used another procedure The cursor moves by pixels not by lines In each pixel is hidden more lines and the cursor must display one specific line What line should we use When the Cursor type is set to linear then the step of cursor movement is the number of lines in one pixel When the maxs is set then the cursor is always move to the maximum line which is contained in one pixel Spec Settings Axe X lin Axe Y lin Peaks list off OK Detect Type RMS 0 P P P the spectrum values on amplitude axe Axe X lin log this parameter you can set in Graph Properties functions which are accessible in every graph Axe X lin log this parameter you can set in Graph Properties functions which are accessible in every graph Peaks list on off the list of peaks can be displayed in each spectrum graph ISO Machine Settings Foundation rigid OK ISO 10816 Classification of machine
10. but controlled by speed time or uncontrolled What does it mean controlled In Analyzer mode you can measure the Set and then you have to save measurements manually The RunUp is different The measurements are saved automatically and additionally the measurements are regularly repeated under the control The trigger function is used for that control The menu item Global Trigger Settings RunUp mode is used for setting Usually the speed is used for that control and new measurement is made when the speed changes from previous measurement of defined value e g 10 RPM Also the time can be used to control that procedure Then you can take the measurement in defined time interval e g each 60 sec The asap is the next choice It means no delay between measurements As Soon As Possible Be careful for such mode When you want to measure e g aps only then the maximum measurement number can be reached very soon 1 minute The runup measurement will be stopped then he ASAP measurements can achieve the maximum number of measurements 6400 very quickly e g 60 sec for APS Is it correct and acceptable for your runup time duration The last choice is the Manual mode You can press the Start button at any suitable moment to make a new measurement The ending of run up is usually made manually by pushing STOP button The Set and other items The meaning of the Set and also meaning of other items in the RunUp menu are the same
11. LUE 82 ROCOTAINO eR 83 A O A ID O O E E 83 EEE e PON NR Temm 83 Appendix B ACMT bearing and gearbox measurement 84 ADDUICOHOLIS ues ett das ence a uta 84 Describa LN 84 AGMTASIMe SO 0 9I Masai 84 O EU mund 84 The ACMT method can do even more ssssssse IRR Immer terere teres 85 4 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Before Switching On Never connect higher then 30 V to the Analyzer Only suitable ICP powered sensors can be connected to the AC signal inputs If the measurement without ICP power is required ICP power must be switched off You can damage the external signal source which is not protected agains ICP powering AC channels voltage higher then 18 V peak can damage the instrument DC channels voltage higher then 30 V peak can damage the instrument Always use only original cables designed for connection with sensor If you are unsure contact your distributor or the manufacturer 5 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro General information The switch on Use the POWER button for switch on older versions had the button in different position as in the picture mm m2 mm TH sin ADASH 4400 VA4Pro O Q A zx POWER N OC O The green LED on the front panel right
12. Vector the drawing of ampitude phase vector development during the balancing process Balancing Vector z U mm s RMS 90 R1 RUN1 R3 RUNS T1 T3 trims 1 3 Project List display the list of projects the same list was displayed after starting of Balancer mode 55 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Machine properties planes number screen Create the new project in the first screen The machine properties and number of planes are the initial information of each Project When the Project name is entered the next screen with properties selection appears w eee 1 plane plane 2 planes 2 planes Rotor mass 390 kg Trial radius 890 mm Select the mode of balancing red bordered Use the left right arrows to select required mode Use the Tab button left side to select next parameters inputs Rotor mass rotor mass in kg Trial radius radius to which the balancing mass will be mounted Both parameters are optional It enables to calculate balancing quality factor according ISO 1940 Use down arrow to go to the next measurement properties screen 56 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Single plane balancing The measurement properties screen for 1 plane balancing FAN KV90 Choose Look Direction t MN none Blades D Balancer Use the
13. date and time 21 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro User Notices When you collect the route or Analyzer measurements you can add to every point or measurement the text notice Because many notices we use regularly we can save them to the instrument to the User Notices set With new unit you receive also the factory predefined notices It is recommended to develop your User Notices set and use this set for daily work You can write your own template and you can copy the templates from factory set Push the Global button and select User Notices item Notices User Notices Machine 1s not running New bearing New motor Mew coupling New belt Unsteady operation Dirty machine Oil under machine Hinrih nnise In the initial screen contain the empty list of user notices and the factory notices bellow that list Use Select to move the cursor to the factory set of notices Notices select factory notice New bearing New motor New coupling New belt Unsteady operation Dirty machine Oil under machine Hinh nnise Use the arrows and select one notice and push the Add button The notice will be copied to User Notices set Notices User Notices Machine 1s net running Copy all notices which you want from factory set Push Select and the cursor moves back to the User Notices field Now you can write your own new n
14. higher If you want to use the 3 direction sensor then you should use the IN2 socket pins 3 1 5 ground pin 2 You need the special cable for this purpose 14 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Sensors properties When you connect the sensors to the instrument you have to tell what kind of sensors you use The Sensors button is on most screens in the bottom Update Global Push the Sensors button In the next menu select channel sensor you want define AC2 AGS AC4 All AC Channels DC DC2 DC3 DC4 All DC Channels AC sensors AC alternate current sensors are used for signals e g vibrations After selection of AC1 ACA or All AC Channels item the sensor properties menu appears Unit Angle OK ICP on off selection of required setting accordingly the sensor type Sensitivity mV unit usually 1 10 100 user Unit unit selected from the list or user unit Angle the angle of sensor see picture bellow Usually used a proximity sensors i Au mI Bi p ul 1390 15 gr 15 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro DC sensors DC sensors are used for discrete current signals e g temperature pressure After selection of DC1 DC4 or All DC Channels item the sensor properties menu appears Sensitivity
15. is not stable The phase is not stable 53 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The first screen The list of saved projects or the Empty label is displayed on the first screen Select one project or use the Project Button for New project creation Choose required project or select Project New to create new project BALANCING AO2 FAN KV90 Balancer Also next functions for projects managing are enabled Copy Export Rename Delete Clear Data New when you select the New item then you will entry the name of new project The screen for manual entry was in details described in Menu how to work with section Copy creates the new project as the copy of just opened project like Save As function in MS Word Only the header data are saved machine name balancing type No measured data are saved Export exports selected or opened project to VA4_DISC Exporting to VA4_ DISC Rename renames the selected or opened project The project with old name does not exist anymore 54 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Delete deletes the selected or opened project Clear Data erases all measured data only the project header remains in unit Report creates balancing report in rtf format MS Word and save it to VA4_ DISC for PC downloading Balancing
16. mV C 10 Offset m V 100 Unit G Sensitivity mV unit sensitivity value Offset mV offset value Unit unit selected from the list or user unit Angle the angle of sensor see picture above Usually used for proximity sensors and GAP measurement The used formula output value in Unit input value in mV Offset Sensitivity Sensor Properties of recorded signal When you use the record recorded signal from memory for analysis then the sensor properties are defined in the record because you had to define them before the recording You can change them for next analysis but this change is not written to the record The original values are kept in the record The new values will be used only for analysing Nothing Is rewritten in record 16 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Global properties The parameters which have effect to all or many functions are understood as Global parameters The definition is made by Global button Global Settings Spec Settings ISO Machine Settings Bearing Settings Date Time User Notices Factory Settings Signal Source LIVE About The About Version 0202 Licence Demo Built 19 04 2011 Installed 18 04 2011 Runup Mode speed Speed Change Hz 1 00 Trigger Source freerun Tacho Trig Level V 1 Trigger Mode single Only one measurement is taken and displayed
17. range 64Hz 196 kHz Record length example 3 GB for 1 hour record with 64kHz sampling 4ch AC 4ch DC 1ch tacho signal 100GB memory enables over 30 hours of full 64kHz recording lower sampling frequency enables much longer record Balancing Planes 1 or2 Balancing Advisor for automatic fault detection yes Balancing Quality factor according ISO 1940 yes Balancing vector graph for balancing process reporting yes Balancing Report yes Trim function yes Vector split e g to blades positions yes Manual entry yes Intuitive graphic user interface yes Trial mass get out or leave in General Processor Atom 1 6 GHz RAM 1 GB Display LCD colour 174 x 127 mm 8 5 diagonal 800x600 resolution Memory Internal SSD 160 GB Interface USB Powering Li lon long life battery pack more then 5 hours of measurement Operating temperature 10 C 50 C 15 F 120 F EMC CE tested Dimensions 280 x 205 x 55 mm Weight 2 5 kg 83 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Appendix B ACMT bearing and gearbox measurement Applications The ACMT is the brilliant tool for condition of low speed machines like paper machines rolling mills transport mechanisms Description Various processes produces short duration pulses are in slow speed machinery Pulses are often caused by rolling element bearings gearbox wear etc It is important to be able
18. route from hard disc to VA4 DISC Then the route is accessible from DDS software Rename Renames the actual item Delete Deletes the actual item Clear Data Erases all measured data in selected point Notices Add a notice to this measurement point Clear Checks When the point data is measured the check inform about that When you want to measure the route again it is better to erase checks and begin with empty list Save Data When autosave is off then you have to use this item for saving View Trend The instrument enables repeat the measurement in the route It means that also inside the route the trend exists Use this item to view that View Actual View the just measured data are displayed Route list Display the list of all routes in the instrument Reference values You can download reference values from DDS to VA4Pro unit for spectrum and wideband measurements These values are displayed together with measured values Reference spectrum is displayed together with measured spectrum in the same graph Wideband reference value is displayed in left side of graph and it is signed by R or like a line in trend view 15 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Refer Turbo Generator Fans Fan 1 Motor RefExample Graph 1 of 2 Select Actual Position 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 1 1 58 3Hz R 32 4mm s 3T 9mmo s Select Min
19. the trigger input the same like external item Only the tacho enables the speed measurement and time signal averaging Tacho Trig Level V value See the description of external and tacho in previous section Pretrig 96 value in 100 100 or user Usually the taking of measurement e g time signal begins exactly from the trigger moment But in some applications you are interested also to know the signal before trigger The required time should be define in seconds but in signal Analyzers is usually defined as percent part of the total signal length When 1 second time signal is measured and pretrigger 25 then 0 25s will be taken before trigger and 0 75s after trigger Also the negative pretrigger could be used It means that the time signal will be taken later then trigger pulse Ampl Trig Channel 1 2 3 4 The number of channel which will be used for amplitude triggering Ampl Trig Level unit value See the description of amplitude mode Trigger Source section The unit is the unit of sensor on selected channel Ampl Trig Channel 18 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Route Autosave on Display Small Values off Units metric Frequency unit Hz Speed unit HZ Phase range 180 180 Integrator HP Filter Hz 10 Displayed spectra in cascade 32 Date Format dd mm yyyy Language ENG Align Graphs off Graph Grid on Background Color V
20. value is always bigger then RMS value Let s change the Avg to 8 The eight individual values 1 sec length will be taken and the result will be the linear average of them RV AL Tu V8 8 The indication 8 8 is on the e UE top Let s change the Avg back to off and change the samples number to 32768 The measurement will be 8 sec long 1 0 P ch 1 B 10 1000Hz NS 32768 T 8s 2 12mm s You see that the result is different from the previous value It is clear the max O P value in 8 sec signal is not equal the average of 8 O P values which takes 1 sec each Let s EOS the type back to RMS 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 0 5 2mm s You see the same result Both values are equal The meaning of RMS differs from peak values The RMS value depends only of total time of measurement It does not care if one long signal was taken or several shorter signals were averaged You can define the signal length also in revolutions not only in samples time The tacho signal must be available in that case 42 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Type wideband freerun single Detect Type RMS Channel 1 Band fmin Hz 10 Band fmax Hz 1000 fs 4096Hz Speed control on 1 RMS ch 1 B 10 1000Hz R 16 0 545mm s ISO 10816 wideband measurement The ISO 10816 limit values is also available for wideband measurements The green am
21. versions had the button in different position as in the picture Several states can appear Green with 0 25sec time interval 4Hz four times per sec the measurement is running Green with 1 sec time interval STANDBY the measurement is not running Red the DSP board does not work properly When the red STAT occurs do the reset of DSP board Do not switch off the instrument Use the slim not sharp thing e g paper clip and push the button which is hidden in the RST hole Virtual Analyzers When older Analyzers would take more measurements they took them step by step If the user wanted e g acceleration overall velocity overall velocity time signal and velocity spectrum from one sensor then the Analyzers took first overall then second overall with integration then time signal and finally spectrum The time which was required for all 4 measurements was the sum of 4 individual times The instrument includes high speed chips and it uses the much more advanced concept For every individual measurement is created one virtual Analyzer in the instrument memory All virtual Analyzers read data from input DSP board and perform required data acquisition What does it mean It means that the total required time is not equal the sum of all individual times but it is equal the time required for the longest measurement Run the instrument on your computer The demo VA4Pro you can download from the producer website Only easy de compr
22. with trial mass in plane 1 64 RUN 2 with trial mass in plane 2 65 RUN 2 Result screen 66 The RUN 3 screen 67 Trim Screens 68 o Po I D DI Ded Acl Ed Uc CPI LM E 68 THE RN satiate eater soi eeaeees 69 Measurement On to luna iaa 69 The SEVANG other MOINS ai id A AA wp Lum era 69 3 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro RUN Up Measurement nana ds 69 ICAO MO E MM ELE 72 Loading of the route to the instruMent oocccoccccccncoccconcncconoconnnonnnnnnnnnnnnnnnnonnnonononnnnnonnns 72 R le medsurermilen s ucacenco cc qaeace cro eatat veben E E A edecannconsdoneess 13 ReTerence VAISS orita STRA Eas 75 ME t rr 76 EXPONO VA4 MPG er 76 Download of the route to the computer 0 cece cccecc cece eee eeee esse eeeeeeeeeeeeeneeeeeesenseseeeaeeees 76 PROC Ol Ad 77 NEW RECO Osica EUNT ELEC ta 77 siege el RECO MERE Em 78 Project button 19 Sensors button 19 Record button 19 START button 80 Properties button 80 Cursor and Length arrow buttons 80 Arrow mode 80 Zoom X button 80 Zoom Y button 80 SIO SCO Dra ea na a ae a eda ee ee 81 THE Ge lay Ol aldo OU OU M A 81 Appendix A Technical Spe CifiCatiOn 1sscccscccsecscnenscnensenensenensenensenensenensenensenenss 82 ATE O EE E A A EA N RA E EIE N EIE E EN RUTRUM 82 Dynamic Channels AC 82 Tacho Channel 82 Static Channels DC or 4 20mA 82 Measurement FUNCION Susi iia E Pls ED
23. 1 orbit ch 1 2 B 800Hz NS 512 T 0 25s 1 1 50 9Hz 409 4 1 50 4 120 100 75 100 120 The A1 means that the channel 1 is used for A orbit channel B2 channel 2 is used as B The position of A1 and B2 matches the sensor angles used for measurement see Sensors definition The knowledge of those angles enables to draw the correct shape of orbit 45 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro S max measurement A channel number 1 B channel number 2 Band fmax Hz 800 fs 2048Hz Speed control off Samples 912 t 0 255 Avg 4 Unit um OK 1 Smax ch 1 2 B 800Hz NS 512 T 0 25s 115um It is standard S max measurement as the maximum vector amplitude of displacement Spectrum measurement Channel 1 Window hanning Band fmin Hz 10 Range Hz 400 fs 1024Hz Lines 1600 t 4s df 0 25Hz Avg Overlap Unit OK The triggering type is displayed bellow the spec word The fs below the Range means sampling frequency The t below the Lines is the time signal length which is used for one spectrum The df is the frequency resolution between lines 1 spec ch 1 B 10 400Hz L 1600 T 4s 0 5 mmis RAS The Band fmin defines the frequency of HP filtering which is used for DC part removing If you do not expect any important lines bellow 10Hz use the 10 instead 1 The initialization time of 1Hz filter is much longer then 10Hz
24. 2 Length ms 6 35 Window exponential Shift ms 97 7 Length ms 196 Range Hz 800 fs 2048Hz Lines 800 t 1s df 1Hz Avg A Overlap 0 OK 49 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 1 fresp ch 1 gt 2 B 800Hz L 800 T 1s FOU FU Coh H1 0 Axe X Axe Y Unit Range dB Fresp View ampl phase Primary Cursor amplitude OK When you set the Fresp view to time you see the time signals from both channels 1 fresp ch 1 gt 2 B 1600Hz L 1600 T 1s 111 209Hz t 99 9 4 55 0e 03 250 300 350 400 t 99 9 B 26r e Ub Use the Arrow mode button and set Shift or Length top right buttons Now you can simply shift with FFT windows or change the length When you use the Shift1 button you change the Shift1 to Shift2 or to Shift12 shift both windows together by using the top left button Shift1 Shift2 Shift12 The fresp function do not use the any HP filter If you want to compare the time signal from fresp with standard time signal you must set the Band fmin to none 50 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro DC measurement The direct DC signal can be measured by this function Channel 1 Avg off Unit um OK 1 de ch 1 111 Hz 919um The DC1 sensor must be set according the required unit Offset m V 4000 Unit um Angle 45
25. 4400 VA4Pro Unit Angle Launcher Use the buttons and enter required value e g 45 If you need to edit the value push the Shift button The buttons change the functions of buttons Edit Sensor AC Z Sensitivity mV g 45 Unit 45 Angle 90 OK Em Analyzer Launcher For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Now you can move the cursor to use the Delete function Press the Shift again and the buttons functions change back When the value is correct push OK The menu with new value appears Unit Angle OK Use the arrows and select the OK item Press the OK button and the working with sensors menu is closed As we mentioned the value entry also the text has to be entered in some menu items The screen looks similar to the numerical screen The only difference is the characters selection on buttons It works like mobile phones keypad for second character selection you must press the button two times The Shift button switches two modes of the buttons Multi selection of items Sometimes you could need to work with more then one item together The usual example is the deleting of more items in one step Plant_WiFan_X1 P1 Graph 1 of 1 Choose required project or select Project New to create new pro Orda Plant_VV Point_DC Pump P No Data Global The left bottom button Multi on SGRABISS to select
26. A4 colors w Cursor Type linear OK The underlined values are the default values factory settings Display Route Values on off When you want to go faster during the route and you do not want to look at measurement results after each point then set it off Route Autosave on off when set to on the data are saved after taking measurement at each point by itself When set to off then the user after results confirmation has to save it manually by Save button Display Small Values on off When you are interested to see values under the 0 001 then set it to on and the values will be displayed in exponential form e g 5 26E 6 Otherwise the 0 zero will be displayed Units metric imperial both all units appears in the menu Frequency unit Hz RPM CPS CPM Speed unit Hz RPM CPS CPM Phase range 180 180 0 360 the range of phase values Integrator HP Filter Hz 1 10 Hz Displayed Spectra in Cascade 32 128 256 512 1024 the number of displayed spectra in cascade graph It is not the number of measured spectra Date Format yy mm dd dd mm yy Language ENG CZE select your language Align Graphs on off if more graphs of the same type are displayed then the Zoom and Cursor function of all graphs can be aligned Graph Grid on off Background Color black white for graphs Cursor Type linear maxs this item must be deeply explained The graph width e g spectrum frequency axe is displayed on the approx
27. CING 402 RUN 1 Plane 1 CH 1 Plane 2 CH 1 Amplitude Phase Speed Balancer Balancer Global The screen is divided to two parts The left part corresponds to plane 1 and right to plane 2 If you use only one sensor then only one part is active The non active part is grey and contains un sharpened image Mount the sensor to the active plane point and start the measurement Corresponding bearing house is red colored The results appear in the bottom Use the right left arrow button to move the active focus Make the same for the second plane With two sensors you make both plane measurements together at once You can also use the Edit button when you want to enter the values manually Use the Tab for shift between values Then the screen should look like next picture 63 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro BALANCING 402 RUN 1 Plane 2 CH 1 12 8 mm s Amplitude 10 6 mm s 35 0 Phase 156 0 25 0 Hz Speed 25 0 Hz Project sensors Balancer Global Launcher RUN 2 with trial mass in plane 1 The trial mass mounting and response measurement is required to take on RUN 2 screen Plane 1 CH 1 Trial 9 Use the Enter Trial button and enter the trial mass for plane 1 The corresponding plane for trial mass mounting is demonstrated by the red disc After the measurement of plane 1 take the measurement on pla
28. Number of synchronous parallel channels AC Frequency range Input range Measurement timing A D Resolution Dynamic range Channel configuration Input protection Input impedance Input type Integration 2D Processing Accuracy ICP drive High pass filter Low pass filter Connector Tacho Channel Number Speed range Input impedance Input type Input range Accuracy Trigger level Input protection Connector 4AC max 76800 Hz 196 kHz sampling frequency 12V only one range no gains fully synchronous 24 bit input 64 bit double floating point internal precision no gain procedures used 120 dB voltage or ICP individually for every channel up to 30 V 100 kOhm acceleration velocity displacement any non vibration AC voltage single double fully digital integration axis rotation according sensor mounting lt 0 5 18 V 3 8 mA 1Hz 12800 Hz user definition 25Hz 76800 Hz user definition Binder 712 series 1 independent tacho input 0 8 Hz 1000 Hz 80 kOhm voltage 10V only one range no gains or 30V tacho signal DC with optional tacho signal converter 0 5 0 1 9 9 V user defined up to 48 V Binder 712 series Static Channels DC or 4 20mA Number Input range Input impedance A D Resolution Accuracy Input protection Measurement Functions Data Analysis Speed Amplitude Units Frequency Units Amplitude scale Scaling
29. Settings Trigger Source tacho Then define the number of averages 1 time ch 1 B 10 1000Hz NS 4096 T 1s 32132 25 1Hz ee al T Meares ANA A AL A PLA VAL UA h AL URL A UA E WN AL UAE RPM A 2 ms 300 400 500 600 700 800 S00 1000 You see the effect of averaging in decreasing of signal noise The speed frequency is better seen G env time signal measurement Channel 1 ENV fmin Hz 900 ENV fmax Hz 25600 fs 55536Hz Samples 8192 t 0 1255 OK 1 g env time ch 1 B 500 25600Hz NS 8192 T 0 125s 10 a ERE EE Tub NAAM P k m MEL E 54 5 1 ih i PRT Ay Ay WAN RG 0 ms O 10 20 30 An 5D b FO HU 40 100 110 120 This function enables to see the enveloped signal The g env wideband values are calculated from this signal hh Pakt TUA T RAR 44 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro It is very similar to standard time signal measurement But the signal is additionally filtered in ENV fmin EN fmax range and then it is enveloped It means the envelope modulator was applied See other sources for more information about enveloping if you need it The Unit cannot be changed only the acceleration g unit can be used No integration of signal is enabled Orbit measurement A channel number 1 B channel number 2 Band fmax Hz 800 fs 2048Hz Speed control off Samples 912 t 0 255 Avg off Unit um OK
30. TIME 0 25k SPEC ISO When you press the Start button in the points list the measurement graphs are drawn with the No_ Data message If the required sensor defined in the route is not compatible with the sensor connected to channel input Sensors properties instrument warns us about this In this case change the sensor or use the different sensitivity and press Continue Press the START to begin the point measurement All defined measurement will be taken together The complete point measurement should be taken now The measured data are or are not displayed on the screen regarding the Display Route Values parameter in Global Settings G_Fans Turbo Generator Fans Fan 1 MotoriL1RV Graph 1 of 5 Select Waca 2 Position mm RMS ch 1 B 10 1000Hz NS 4096 T 1s A 8 43mm s Select 7 4 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Use the Back to return back to points list The measured point is labeled by the symbol y all defined measurement were taken or by the cross some measurements were not taken due to error G_Fans Turbo Generato Paint list Motor L1RH Motor L2RV Motor L2RH Motor L2AX Point button enables to work with the measurement point data Delete Clear Checks View Trend Route List Copy Creates the new point with the same setup It is usable when you need create new out of route point on the machine Export Makes copy of
31. Tab button for moving in parameters field selection of item to entry Look select the look of the machine accordingly your place in the field Use the left right arrows to change the parameters value It should help you to measure always the right things on the right points Try to select to both options to understand this item The none choice means any images will be used on the screens The Look parameter has no effect in job calculations Direction means the rotation direction in the image This parameter has no effect in calculations It is only graphical matter Use the left right arrows to change the parameters value Blades the number of blades for rotors with blades This parameter is used in job calculations to split the mass to blades Use the left right arrows to change the parameters value Plane 1 the selection of channel number It will be used for measurement Press down arrow to go to the next screen RUN 1 or up arrow to return back to first screen 57 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro RUN 1 screen FAN KV90 RUN 1 The red bearing house is the recommended point for sensor mounting But you can use any other place which is suitable for measurements Press START button and measurement will be taken If you press the Edit button then you can manually enter all values balancing calculator function Use the Tab for shift be
32. That is why all next screen implications must be removed and you have to make all necessary measurements again 52 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Advisor function This function helps you with decision whether to balance or to not balance and make different maintenance job This function works automatically Press the button Advisor Define the input channel When you want to make two channel balancing then use the channel with higher vibration level Then the main Advisor screen appears and the recommendation window blinks Balancer Advisor Speed Check Speed 29 1 HZ APS Measurement Amplitude 0 4 mm s Phase 92 6 Speed 29 1 HZ Spec Measurement T 2s 10110 25 1Hz 0 5 mms RMS 0 4 0 3 0 2 0 1 0 O More vibration sources found in the system Balancing not recommended Use Analyzer Mode for more information The speed value and APS amplitude phase speed values are displayed The advisor function has next results Balancing recommended Balancing not recommended When the balancing is not recommended then also the reason is displayed Balancing is possible but very small vibration level on speed frequency More vibration sources are found in the system The looseness is found Low amplitude is on speed frequency The total vibration value is caused by different reason The speed is not stable The amplitude
33. This set correspond the usual eddy current sensor proximity Each um of distance between sensor and metal surface shaft adds 8mV of negative voltage The 4V 4000mV level is zero distance See examples in table distance voltaqe 4A000 4600 B000 Center line measurement This measurement is often used for turbines The Center line values define the static position of shaft in bearing The signals from proximity sensors must be connected to DC channels We need to remove the AC part and to hold the DC part The DC inputs work in that way DC A channel number 1 DC B channel number 2 Avg off Unit um OK The Center line is related to the orbit measurement We also need to sensors with known angles of mounting While in orbit we see the shape around the 0 0 position in the center line we see the position of shaft center without shape of orbit 1 center line ch 1 2 808um 1391um Two um values are two distances of shaft from two proximity sensors Also you can see the mV values 1 center line ch 1 2 10471mV 11953mV 51 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Balancer Introduction The balancing process is based on standard measurements of amplitude phase on the speed frequency The VA4Pro balancer includes many special internal functions which remove the influence of noise speed changes etc If you are not fami
34. UMING ai LE EE 20 ISO Machine SeMITIOS void de 20 Beard Std Sisi litio 20 Date Mena dd 21 cue LEITET 22 Faclo upon 23 Sonal SOUN CS RM 23 FNC Launcher Creo ES 24 Update ohe unit HIT WOEO a is 24 Battery capas iyen a mE 24 Instrument DUITOBS iii A Lone ROLE LEIEPL UE AUPL OS RO NEA CDU RUE CUPS Uds 25 Control anda Mm SUNOS sioe eae era a Cuba mI UM EE 25 THE SNN DUNO REPRE EI T m E 25 The Analyzer MOJE so 26 A ETE 26 ss a T I 26 o O T A ioteceaeuttrustadene otal 26 TST FOI etica ladito 26 Export of the Project to the VA4 DISC flash diSC ooocococococcconcncccnconcnconnnoncncncnnnnos 26 FIEStHAnalzer creo a E 2f New Projects Set CFeallOlizu d a oda 2f New Project L1 Set Creation cccccccccsecceeccescecseeceeeeeseecaeeceecseeceeesaeessseesaeeeeeeeseeees 28 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro NEW ProJect L2 L1 Set ChE ATOM see eiue oos ica 29 New Ivleas CrealtlOfi uc yenit e nta a ch I RD ati 29 New Basic 29 New Advanced 31 Next Meas NCIONS si Tm 33 NOXESe iM LSIRIS TO RESET T IE iodo aid cda 33 NOICE Saraan Tm 34 Measurement DETINITON IA ING Seine ii dde 36 PTO CE ES OTT SUING Lm 37 The Analyzer buttons description msi idl acess eh adel edad heen Ae 37 The Arrow Mode button 37 The Start OK button 37 The Stop Cancel Back and Close button 37 Graph Max Min 38 Graph Prope
35. UN 3 screen Run the measurement or enter the values Then the new results effect and quality value are displayed Amplitude 0 4 mm s Phase 20 0 Speed 25 1 Hz RUN 1 12 5 mm s Effect 96 8 Bal Quality 2 4 Press the down arrow and continue with TRIM 2 in same way as with TRIM 1 You can use how many trims you want But when after trim the result is not better or even is worse the next trims has not sense 61 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Dual plane balancing The measurement properties screen for 2 planes balancing BALANCING A02 Choose Count of Channels II eft right none Direction t MN none Blades o MER Ela Project sensors Balancer p Launcher Only two new items appears compared to single plane balancing Channels select the number of channels single only one sensor will be used for balancing The sensor will have to be mount to Plane 1 or Plane 2 repeatly dual two sensors will be used One for each plane During the balancing will be the sensor mounted without any replacement Plane 1 Plane 2 the selection of channel numbers They will be used for measurement Press down arrow to go to the next screen RUN 1 or up arrow to return back to first screen 62 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro RUN 1 screen BALAN
36. User Manual a Washa Adash 4400 Y VA4Pro Ver 2 10082011 Vibration Analyser For Professionals VA4Pro ADASH Ltd Adash 4400 VA4Pro Content Berore SWHCHING ON rea eer nea ew eee neces 5 General InftoHmnalloli sr dee aee aset oue eve ea delen awe Dau e ava ee Un a 6 TAC SWIC O MT RR TTL Tr 6 PUSS VATS FV Oe ood NO Un A te toma ie ard ALME DR f ci ut pe DE IE 6 Disc Tree capaecity Wal MiB siii esca x a ove E E is 6 Connection to the computer zessin a a 6 in TES 6 The DSP board monitoring and reset occooccccccccccnccocnnnonccunnnnononannnnonncnnnonanonannonannnnnnonons T Vra ATO ZO Sil ee A suce deae T Run the instrument on your computer occooccncccccccocccoccconoconoconocononononononnnnnnnnnnnnonenanenanenanes T FIOW to WOFK WIN MENU aa aiaa 8 AE scie TIT R 8 WSS FCS TINS Vale Scsi ra 8 M lti selecuon OF NEMS ia ea 10 efolblgreio ejercito 12 WINS OC i i TC M C ER 12 INZSOCKEL ce c eae 12 liii 13 TINGS OC ds MENTRE 13 TRIG SOCK un edi 13 Standard Cable WINN ascii e a a 14 Sensors PODERES cn ADEM MEME MIU M E 15 POSO RETE E D UU UTEM 15 DESEEN Sia abi manatee 16 Sensor Properties of recorded SigNal ooccccccccocncccncconnoconoconnncocnnnononanonnnnonannononenaninnnnos 16 Global OL OD CFCS it tdi 17 A MI MEMINI ELE UL NNI M MISMAS 17 Hals AAA A mE 17 Global SENOS os 19 Spec S
37. as in the Analyzer mode Run up measurement For example we define only one measurement in set The proximity sensor in channel 1 is used Detect Type RMS Channel 1 Avg off Unit um Resolution speed 4 OK The RunUp mode is set to speed and the value is 1Hz Start measurement push Start button After the full speed is achieved press STOP 69 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Runup 04 04 2011 REC RunupTurbine I 99 9um RMS Runup A dan The last measured aps value is on the screen Press Set View Trend and in the left upper T corner the list of measured run ups appear Every new measurement creates new item in this list The date and time of measurement is displayed 2011 05 12 14 02 22 2011 05 12 14 03 18 Select one trend from the list and press OK TO For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 111 50 9Hz A 99 9 125 O 2009 1 104 20 10 45 The aps amplitude phase speed graphs appear Several types of graphs is available under the View item All items are in details described in chapter The Analyzer Mode The Analyzer buttons description Graph Properties Use Arrow Mode button for functions selection T1 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400
38. ass measurements already After each measurement the next masses are recommended The trim screens are very similar to screens in single plane balancing Balancing Errors Balancing errors and warnings can occur during the job Balancing Warning Plane 1 The effect of trial weight is slight ampl vector change 5 Plane 2 The effect of trial weight is slight ampl vector change 2 The frequent message is concerned the low effect of the trial mass change vector RUN 2 vector RUN 1 vector trial The percentual value is derived from ratio amplitude of change vector amplitude of RUN1 vector The warning is displayed when the change is less then 20 but greater then 1 You can continue with balancing after this warning and use that values The error is displayed when the change is less then 1 You can not continue with balancing after this error because such small change is not acceptable You could get incorrect results Balancing Error Plane 1 The effect of trial weight is slight ampl vector change 0 50 You cannot continue with such measurement values 68 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The RunUp Measurement Control When you need to measure Run Up or Coast Down of the machines then you should use the RunUp mode It enables the same measurements as in Analyzer mode
39. astDownGearbox 00 07 29 Length 00 07 29 AC1 20 20 g II eR AC2 5 5 g G ACS 5 5 9 ACA 10 10 g q Cursor Recorder rm 399 Project button Copy Export Export to WAV Rename Delete Clear Data Notices Project List New the new project for recording Copy copies all record parameters to new project without the recorded data Export exports the record to VA4 DISC Export to WAV exports the record to wav data format Rename renames the project Delete deletes project from memory Clear Data deletes recorded data all record parameters is kept Notices adds the notice to the record see Global Propertie User Notices chapter Project List the list of Projects is displayed Sensors button You can change the sensor parameters for next recording Record button The record parameters are displayed You can change them but it will influence the next record 19 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro START button It starts new recording The old recorded data will be rewritte Properties button It displays all record properties Cursor and Length arrow buttons When the record contains longer data then you need to analyzing you can select any part of record and save it as new record The Cursor arrow defines the beginning of new record The Length defines the length of new record when you defined the borders of new recor
40. at the top lights after switch on Auto switch off If no button is pushed in 5 minutes from switching on the unit will be switched off Disc free capacity warning If this warning message appears you need to get free disc space by removing the measurements routes or records which are not actual 90 of disc Is full Longer measurements not available Connection to the computer Use the USB cable which is the standard accessory of VA4 set Connect the small plug to the USB socket see the image above Connect second plug to the computer The VA4 unit can be on or off The instrument contains the VA4_DISC which is accessible from external computer The usual windows of flash disc connection appear on the computer Close those windows If this operation failed switch off the unit and try to connect it again The charging The socket for external charger instrument accessory is above the POWER button The BAT LED on the upper panel lights orange during charging When the battery is fully charged it lights green 6 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The DSP board monitoring and reset The DSP board is the most important part of the instrument The special chip provides all necessary operations which are required for achieving of 4 channel synchronous data The STAT LED is on the top panel and enables to monitor the DSP board older
41. ber orange red point If you want to use this function you need to define the correct measurement parameters RMS velocity measurement in 10 1000Hz range and the group for machine see Global ISO Machine Settings 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 5 04mm s G env wideband measurement Detect Type RMS Channel 1 ENV fmin Hz 900 ENV fmax Hz 25600 fs 65936Hz Samples 8192 t 0 1255 OK It is very similar to standard wideband measurement The signal is filtered in ENV fmin EN fmax range and then it is enveloped lt means the envelope modulator was applied See other sources for more information about enveloping if you need it The Unit cannot be changed only the acceleration g unit can be used No integration of signal is enabled 1 g env RMS ch 1 B 500 25600Hz NS 8192 T 0 125s 4 29g 43 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Time siqnal measurement Channel 1 Band fmin Hz 10 Band fmax Hz 1000 fs 4096Hz Speed control off Samples 4096 Avg Unit OK 1 time ch 1 B 10 1000Hz N5 4096 T 1s dE BUFEBFE Wut M LI a i Ia ul P fi Y l ih r T I I T UP Au r aT na U ETLNE ii AA 0 100 200 00 400 500 600 700 00 S00 1000 Similar parameter like for wideband is used The red short vertical lines at the top of graph indicates the tacho inputs For averaging you need to set the Global Trigger
42. cale according data values of every new measurement user one user defined Y range for all graphs independently of data values Cursor for time signals single standard simple cursor periodic multiplied cursor with several additions of delta time delta band cursor with delta time length Cursor for spectra single standard cursor harmonic cursor with several additions of delta sideband cursor with one addition delta delta cursor with one addition delta Axe X lin log Axe Y lin log Axe Z time scale according time of measurements speed scale according the speed of machine tacho must be used regular regular scale Detect Type RMS 0 P P P Y axe type Peaks List on off the 5 highest spectrum lines table 38 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 3 spec ch 1 B 10 400Hz L 1600 T 4s 0 2 mmis RMS mmis RMS 0 154 933 7 e 03 78 7 e 03 bb e L3 61 5e 03 Bearing Faults if the bearing type or parameters is defined and the tacho was used for speed measurement then the fault frequencies is displayed 1 spec ch 1 R 10 800Hz L 1600 T 2s FIF SPEEL BsF BPFO 1715 3b 47 5 100 110 120 If the tacho was not used the measurement does not contain the speed information then move the cursor to the speed position The bearing fault frequencies will be displayed according the cursor position BSF BRE 50 5 b Orda Table on off t
43. d use the Save Selection As button Length 00 03 09 ACT 20 20 g AC2 5 5 g ACS 5 5 g ACA 10 10 g Arrow mode It changes the arrows from Cursor Length to ZoomX Y Zoom X button It switches the display between complete record and the zoom selection made by Cursor Length Zoom Y button It is standard Y zooming 80 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Stethoscope This mode enables listening of vibrations Use the standard headphones and connect them to the audio output on top panel Select the Stethoscope mode and push OK The 4 displays appear Push START Each input signal level will be displayed stethoscope REC CoastDownGearbox volume 39 Measuring 4 Volume v uv uV mv ISA MA M n Il ny Dod e d Peak Level Stethoscope The TRUE PEAK level is displayed By buttons on the left side you choose the channel for listening The volumes buttons are on right side The delay of audio output Because all signal conditioning is digitally arranged the delay of signal appears Typically the delay is 1 sec You can clearly test to knock to the sensor and you will listen this Knock after the delay time 81 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Appendix A Technical Specification Inputs Dynamic Channels AC
44. ding started immediately external The external signal voltage level higher then defined threshold level in the Global menu starts the recording Such signal may be generated e g when the machine starts to work This type of signal is usually created in the control system amplitude The recording is started when the signal level exceed the Treshold level which is set by user in Global menu Both positive and negative levels are accepted When the Record parameters are set use the Start button for start of the recording During the recording all input signals included channels which are not recorded are displayed on the screen 17 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 3980 2 94 0 735 15 4 mV DC1 mV DC2 mV DC3 mV DC4 ACT 10 10 g NPS SS SSNS AC2 5e 03 5e 03 g IS SS IS A ACS 2e 03 2e 03 g ACA 2e 03 2e 03 g The process is finished when the time is over manually by Stop button the memory is full Editing of Record Run the Recorder The list of records which are saved already in the memory appears on the screen Select one of them arrows and OK The preview of recorded signals appears When you want to display the list of projects again use Project button and Project List item 78 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Co
45. disc only or SSD When the set is closed then the VA4 asks the user Export to VAA4 Disc and user selects one option The export to flash is not done automatically because the writing procedure to flash is slow That is why the user can determine when the right moment to export the set is In the menu item Set Export you can select the set and export it manually 26 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro First Analyzer screen The first Analyzer screen contains the list of Projects saved in the memory or the empty list when no Projects were saved here are no projects in memory Select Project New to create new project Project Global LEID New Project Set creation Push the Project button Them menu appears select New Set item New L1 Set New L2 L1 Set 21 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Enter the Set name Meas Point A Enter the name of new set Use the Shift button for next buttons displaying Then press OK Your new item Page Choose required project or select Project New to create new praject Up The S letter after the name is the Set type indication New Project L1 Set creation The L1 Set structure usually enables to create the machine item with several points Push the Project button and select New L1 Set item Ente
46. e 3 Blade 1 Weight 2 9 g Weight 87 1 g Remove the trial mass and mount the final masses to both planes The angle is applied from trial mass position which represents the 0 zero degrees In case you have not used blades the result screen may look like that 66 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro Plane 1 CH 1 Plane 2 CH 1 Trial Mass Position Trial Mass Position Angle 73 2 Angle 19 0 Weight 129 0 9 Weight 103 8 g The RUN 3 screen When the masses are mounted then you want to check the job The measurements on both planes are required Plane 1 CH 1 Plane 2 CH 1 Amplitude 3 5 mm s Amplitude 4 3 mm s Phase 173 0 Phase 69 0 Speed 25 0 Hz Speed 25 0 Hz RUN 1 12 8 mm s RUN 1 10 6 mm s Effect 12 17 Effect 59 4 Bal Quality 12 4 Bal Quality 14 8 The screen is in fact the same as screen for RUN 1 with additional information RUN1 original amplitude of RUN1 Effect is the reduction of balancing in Quality balancing quality factor according ISO 1940 mass of rotor and radius of balancing required 67 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Trim Screens After RUN3 measurement you can continue with the job when you are not satisfied with the results These next steps do not required trial m
47. e from producer website www adash cz Follow the procedure Download the file for update e g A4400 ver0114 u44 from website www adash cz and save it to your computer Connect the instrument to the computer Remember it has to be switched off Run the Explorer or other software which you use for copy of files Copy the update file from the computer to the VA4 DISC Use Safely remove hardware function and disconnect instrument from the computer Switch on the instrument to the Launcher screen Push the Update button Select the required update file from the list more version files can be saved in the instrument Press OK The Launcher window is closed now The procedure of update is described in the new command window After the update the Launcher screen appears again Battery capacity The information about of battery lifetime is displayed in the right bottom corner of the display When the capacity is more then 30 the green symbol appears When the capacity is 10 30 the yellow symbol is used Under the 10 the red symbol appears If less then 6 the lifetime image begins to blink At that time the running measurements are stopped The next measurement is not enabled When the 3 is achieved the unit is switched off 24 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Instrument buttons Fifteen buttons are around the screen all
48. ess the zip file and run the bat file Now you can easy try to work with all functions in your computer Do not forget define the record as signal source You can also download the next records from that website T For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro How to work with Menu For the taking of measurements you have to define many parameters All those definitions are providing by menu items The procedure for operation with all menu items is the same We describe it on example the sensor properties definition Item selection The sensor properties first menu appears after you push the Sensors button AC AC3 ACA All AC Channels DC1 DC2 DC3 DC4 All DC Channels Use the arrow buttons for one item selection e g AC2 Then push OK button The second menu appears Unit Angle OK Again use the arrow button for one item selection Then push the right arrow button to display possible parameters of selected item E g for Sensitivity you see this picture Unit Angle User defined values Again use the arrow button for one sensitivity selection 1 10 100 In some cases also the user value is possible to enter Select the user and push OK The next window appears and the buttons get the numerical values entry functions 8 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash
49. he order values table Primary Cursor when the Global Cursor Type is set to max then is required to select the quantity graph to which will be this max searching function applied amplitude phase coherence for frequency response Fresp X Y fororbit Center Line View orbit standard 2D center line view available only for View Trend AB two DC values for View Actual or two trends for View Trend XY data transferred to X and Y axes Fresp View ampl phase real imag nyquist amplitude phase coherence time Aps View available only for View Trend aps t the trends of amplitude phase and speed related to time of measurement 39 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 08 20 08 30 08 40 08 50 09 00 09 10 09 20 09 30 09 40 09 50 10 00 10 10 10 20 O P 15 7 08 20 08 30 08 40 08 50 09 00 09 10 09 20 09 30 09 40 09 50 10 00 10 10 10 20 5 49 9 08 20 08 30 08 40 08 50 09 00 09 10 09 20 09 30 09 40 09 50 10 00 10 10 10 20 2009 11 04 20 08 12 2009 11 04 20 10 28 ap s the trends of amplitude and phase related to speed 1 1 49 9Hz S 49 9 A 50 1 45 499 ad s the trends of amplitude upper graph and difference amplitude lower graph related to speed the difference is related to the trend cursor position in that point is always zero 5224 3 A771 7 5 nyquist 2D complex view 40 For further technical and contact information visit ww
50. hen more values is used But keep in mind that only 8 values is taken in one second 47 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro ACMT measurement See the Appendix A for detailed description of ACMT method Channel 1 Band fmin Hz 500 ACMT FS Hz 1024 Samples 4096 t 45 Unit g OK 1 ACMT ch 1 FS 1024Hz NS 4096 T 4s 50 g t D 8 68 7 55 254 364 50 ms 500 1000 1500 2000 2500 3000 3500 4000 Orda measurement This name means order analysis Detect Type RMS Channel 1 Orders 1 10 Avg off Unit um OK 1 1 50 9Hz ord 1 4 50 5 Aps measurement Aps means amplitude phase speed measurement 48 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Detect Type RMS Channel 1 Avg off Unit um Resolution speed 4 50 0um RMS 18 5 The smaller resolution means longer time signal for evaluation We do not recommend to use always the minimum value speed 64 because you will wait for results longer much longer Use the small resolution only in cases when your signal contains two close frequencies and you need to separate them For 50Hz speed the speed 4 means the band 43 75Hz 56 25Hz and the speed 64 means 49 61Hz 50 39Hz Fresp frec onse measurement Result Type H1 Input 1 Output 2 Window transient Shift ms 97
51. ion in menu items 37 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Back moves back in structure of project Close closes the measurement screen and returns you to the project list Graph Max Min Maximizes or minimizes the selected graph to the whole screen or returns back to the initial screen with more graphs Graph Properties The list of properties is displayed and can be edited The scale ranges and types lin log definitions are the typical use Type wide g env time g env orbit Smax spec g env speed ACMT orda aps fresp de center band wide signal time spec Orders Ampl Freq line band signal Phase Resp Scale Cursor Axe X Axe Y Axe Z Unit Ranqe dB Detect Type Peaks List Orda Table Primary Cursor EMEN DEESSET PENNE EN NEN Center Line View a ae ee Se A Fresp View a Aps View Spec View ERE n Orbit View O TU SAA A NDA EU LARES A A Ld PA IT n 11 Important notice All available values will be described for every item When you will work with analyzer you will not see all that values always Some of them have special meaning and they are visible only when it has sense Typical example is the Scale item which has no sense for View Actual data and it is used only for View Trend data displays Scale max Y autoscale for every new graph but the range is increased when higher value comes auto Y autos
52. l source channel for evaluation Band fmin Hz value The low cut off frequency of band pass filter which is applied to the signal before evaluation The none value means that only input DSP filter is applied approx 0 6 Hz Band fmax Hz value The high cut off frequency of band pass filter which is applied to the signal before evaluation Under this item is also displayed the information about sampling frequency fs which be applied for evaluation ENV fmin Hz value The low cut off frequency of band pass filter which is applied to the signal before enveloping removing low frequencies ENV fmax Hz value The high cut off frequency of band pass filter which is applied to the signal before enveloping removing high frequencies Input channel 1 4 Required only for response functions Output channel 1 4 Required only for response functions FFT Window Rectangular Hanning Transient Exponential The standard offer of FFT windows functions Range value Frequency range of the graph Under this item is also displayed the information about sampling frequency fs which be applied for evaluation ACMT FS Hz value The sampling frequency for ACMT evaluation See the ACMT chapter for understanding Speed control off time signal will contains defined number of samples on time signal will contains defined number of revolutions Revolutions value required number of revolutions Speed control on Samples value Number of samples
53. liar with field balancing method please see any special literature The Project The Project is the base structure in balancer It corresponds of one balancing job You can use the same Project for repeated jobs on the same machine The measured data will be re written The Project contains all measured or entered data which were be used during the job The typical scheme looks like next list of steps Project name enter Mode machine type and number of planes enter RUN 1 Initial measurement of vibration amplitude and phase in required number of planes Trial mass put on the rotor Step by step to all planes RUN 2 Trial mass response measurement Step by step to all planes Final masses put on all planes RUN 3 Check of effect success measurement Trim measurements for additional masses and better results The Project Screen Every step is displayed in one screen The movement between screens is provided by up down arrows The usual Enter button is not used it could confuse the user The movement enables to return back anytime The important property must be clearly told When you return back in the job screens and you take again repeated measurement or value enter then the measured data will be erased in all screens after actual screen The reason is simple The implications are derived from every screen to the next screens When you repeat the measurement you change the parameters for those implications
54. mines two masses if the trial mass is kept on the rotor In case you have not used blades the result screen may look like that Plane 1 CH 1 Trial mass removed Trial mass kept Trial Mass Position Trial Mass Position Angle 57 6 Angle 146 6 Weight 82 5 g Weight 126 7 g 60 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro The RUN 3 screen When the mass or masses are mounted you want to check the job The screen is very similar to RUN 1 screen Make the measurement or manually enter the values Amplitude 0 4 mm s Phase 49 5 Speed 25 1 HZ RUN 4 12 5 mm s Effect 97 1 Bal Quality 2 1 RUN1 amplitude of RUN1 Effect is the reduction of balancing in 9o the 0 4mm s is the 2 9 of 12 5 mm s according to rounding Quality balancing quality factor according ISO 1940 mass of rotor and radius of balancing required Trim Screens After RUN3 measurement you can continue press down arrow with the job when you are not satisfied with the results These next steps do not required trial mass measurements already After each measurement the next mass masses is recommended The trim screens are very similar to screens described beyond TRIM 1 Blade 1 Weight 0 9 9 Blade 2 Weight 2 0 g The recommended trim masses are displayed After the mounting press the down arrow The TRIM 1 screen appears It is the same screen as R
55. more items at once Press the Multi on button om you move in the list by arrows the items remain selected red color or unselected black color Press the same button now the Multi off again for ending of multi selection Meas Point_A s Orda S Plant W L2 10 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Example of multi selected items It needs a short time to play with and to find the right understanding of this feature The item with the cursor the full blue field can be selected or unselected too The standard yellow color means unselecting and the red color means selecting 11 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Input channels All input sockets are in the top panel The versions older then 0200 had d 3 sockets in the panel INI N2 N3 W4 TMG ADASH 4400 VA4Pro m eleleloley 26 The input sockets labeled IN1 IN2 IN3 IN4 are used for AC or DC signals The input socket labeled TRIG is used for trigger signals usually tacho All sockets have several pins It enables to connect more signals to one socket see wire diagrams The AC inputs enable to measure max voltage peak 12V The DC channels enable to measure max 24V IN1 socket 1 CH1 AC INPUT 2 GROUND 3 20V DC OUTPUT max 10mA for eventual sensor powering 4 SHIELDING
56. ne 2 or take them at once when you use 2 channels The trial mass remain in the plane 1 After measurements of both planes with trial mass on the plane 1 remove the trial mass from plane 1 The RUN 2 with trial in plane 1 completed screen is in the next picture 64 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro BALANCING 402 RUN 2 Plane 1 CH 1 Plane 2 CH 1 Trial 150 0 g 15 3 mm s Amplitude 12 5 mm s 87 0 Phase 165 0 25 0 Hz Speed 25 0 Hz Balancer Project Sensors Balancer Global Launcher T Press down arrow RUN 2 with trial mass in plane 2 The same two measurements we have to take with trial mass on plane 2 The screen for those measurement looks similarly like previous screen Only the red disc is in the plane 2 Press down arrow button after both measurements The RUN 2 completed screen is in the next picture 65 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro BALANCING 402 RUN 2 Plane 1 CH 1 Plane 2 CH 1 Trial 150 0 g 10 2 mm s Amplitude 7 2 mm s 28 0 Phase 55 0 25 0 HZ Speed 25 0 Hz Enter Tri ris pou pn M im Balancer Global 100 RUN 2 Result screen Plane 1 CH 1 Plane 2 CH 1 Trial Mass Position Trial Mass Position Y Y T Blade 2 Blade 5 Weight 128 1 g Weight 35 5 g Blad
57. nformation visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Recorder Many of older engineers remember the past time when the signal was recorded to the tape recorder and consequently analyzed in Analyzer Such approach had one important benefit You can analyze the signal again and again When you need to make all required analysis in real time you are under time pressure If additionally the e g runup can be run only once the pressure is extreme The tape recorder was the solution It was simple unit with simple operation no danger to loose the data The same solution offers the VA4 Recorder It enables to record simultaneously all 4 AC channels tacho channel and 4 DC process values channels into the unit memory The sampling frequency is from 64Hz to 196kHz The maximum record length depends of free memory size New Record Run the Recorder The list of records which are saved already in the memory appears on the screen Push the Project New button and entry the name The new item appears in the list Select it and push OK ACT on AC2 off ACI off ACA off DC1 off DC2 off DC3 off DC4 off Trigger Channel on Time minutes manually stopped Start of Rec freerun OK Select the Sampling Frequency Switch to on all channels you want to record Define the length of record or how it will be stopped Select the Start of Rec way Start of Rec freerun After the measurement preparation is the recor
58. ns Fan 1 or Motor L1RV etc If the item name in a route tree is longer then 45 characters DDS is trying to truncate such names To avoid this we recommend to use shortcuts in a tree items in this case Turbo Generator should be TG Press the Save to Instrument button In the next window select the route in the instrument memory and rewrite it or define new name Press OK The route data will be loaded from computer to the instrument T2 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Instrument Memory Data Route Cancel Route measurement In VA4Pro select the Route mode in Launcher screen The list of routes in the memory is displayed Page Choose required route U Engines Turbo Generator Fans Fan 2 Select the machine and press right arrow to develop the list of measurement points 73 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro TG_Fans Turbo Generator Fans Fan 1 Point list Motor L1RH Motor L2RV Motor L2RH Motor L2A AX Fan L3RV Fan L3RH Fan L3AX In this moment you can start the measurement or by right arrow display the list of measurements which are defined for this point By left arrow button you will close the displayed list and you return back to the previous level TG Fans Turbo GeneratoriFa Meas list n B uis L BEARING OVERALL
59. oject and press OK Press the Meas button and select New Basic or New Advanced New Advanced New Basic You can create the new Meas by two ways When you want define some basic measurement use the New Basic Select required measurement from the list This way is very fast 29 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Name Type Unit Frequency Length Samples Lines Average Band Range AS OO oe SS oO Es RPM AA AREA ANA ET ISORMS wideband RMS vel 10 1000Hz fsee J BEARING RMS wideband RMS acc 5000 25600 Hz 1sec o o fo LBEARING RMS wideband RMS acc 500 25600 Hz 1sec OVERALL RMS wideband RMS acc 1 26600Hz 1sec J ISOU P widebandD P vel 10 1000Hz 1sec To BEARING 0 P widebandO P acc SU00 25600Hz 1sec J o LBEARING 0 P widebandO P acc 500 25600 Hz 1sec OVERALL 0 P wideband P acc 1 25600 Hz 1sec ISO TIME timesignal vel 10 1000Hz 1sec 4096 BEARING TIME time signal acc 5000 25600 Hz 05sec 32768 LBEARING TIME time signal acc 50025600 Hz 05sec 32768 J OVERALL TIME time signal acc 1 255000 Hz sec 65596 ISO SPEC spectrum vel 1600Hz 4sec 1600 4 OVERALL SPEC spectrum acc 25800 Hz 1sec
60. on to stop data processing The Analyzer buttons description The Arrow Mode button The Arrow Mode button switch functions of arrow buttons Try to push the Arrow Mode button and notice that the left top button changes between Select Position Zoom X Zoom Y and Move X Move Y When the delta or sideband cursor is displayed then the additional DeltaX item appears When the measurement from disc are displayed View Trend function then the additional Trend item appears According selected function two right top buttons change their meaning Functions for up and down arrows top right buttons Select moves the selection of active graph Position you can change the order of graphs Zoom makes zoom in or zoom out on vertical Y axe Move when the zoom in is applied then button move with the signal in defined zoom view vertically Functions for left and right arrows Zoom makes zoom in or zoom out functions on X or Y axe Move when the zoom in is applied then buttons move with the signal in defined zoom Delta X defines the delta X resolution for sideband or delta cursor Trend moves on the displayed measurement from disc history The Start OK button This right middle button has more purposes and it can START the measurement OK confirm the selections or entries The Stop Cancel Back and Close button This left middle button has more purposes and it can STOP the measurement Cancel the definition or select
61. otice Push the New Line button for old guys the CR LF is added Push the Shift A a lt gt button the alphabet 22 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro appears on keyboard buttons Use the same button to change the button functions capitals small letters edit arrows Write your notice Press the OK to close and save the User Notices Notices User Notices Machine is net running Alignment required The Alignment required was written by user Factory settings All Global and Sensors parameters will be returned to default factory values Signal Source Every measurement can be taken from LIVE channels AC 1 4 or DC 1 4 or from RECORD see Recorder chapter for understanding All records saved in the memory are displayed for selection Select required item and press OK button The selected signal source is also displayed in the Global window If you work with demo unit on your computer use the Default Rec for testing 23 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Launcher screen After switch on the LAUNCHER screen appears You can select the required mode of the unit select Mode a gt Vibration Analyser Wesa For Professionals wW VA4Pro Launcher gt 2 Balancer IBI Update of the unit firmware You can download the updated firmwar
62. ows to control the unit The function of every button is described on the screen near the button Such dynamic approach enables to use one button for many functions depending of the actual needs Control and Menu buttons Control buttons with the description are on the left and right screen side The Menu items with the description are displayed in the bottom of the screen The Shift button The Shift button changes the purposes of buttons It is used for numerical and text inputs Also it is used for changing of arrows properties 25 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Analyzer mode The Analyzer mode is the basic mode for signal analysis If you have not prepared the Route measurement then you use for analysis the Analyzer mode All required parameters must be set by hand or you can use the saved measurement parameters from memory The Meas The Meas means one measurement as it is usually understood e g overall value or time signal or spectrum or other The Graph The graphical form of that Meas values displayed on the screen we will call the Graph overall value time signal spectrum orbit order analysis One Graph works with data from one measurement item You should keep in mind that also one overall value is the Graph The Set The Set is the most important term in the Analyzer mode The Set is the set or group of one or more meas
63. r the L1 name Pump P Enter the name on Level 1 e g machine name and press OK The Project list appears alphabetical order Choose required project or select Project New to create new project Meas Point A s The L1 letter after the name is the Level 1 type indication L1 item is selected Push OK The item will be opened and the list of included Sets appears now it is empty Pump P Page Set list Up Push the Set button and select New item Pump P Set list Enter the Set name Point Enter name and push OK The list of sets appears Push the Close button and it returns you back to the project list Choose required project or select Project New to create new project Page Up Meas Point A c 28 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro New Project L2 L1 Set creation The L2 L1 Set structure usually enables to create the plant with several machines Every machine can contain several points Push the Project button and select New L2 L1 Set item Enter the L2 name Plant_W The L2 letter after the name is the Level 2 type indication Open the Project by OK Enter the L1 name Fan X1 The L1 list appears Open the L1 item and create the Set in the same way as it the previous section Use the Back and Close buttons to return to the Project list New Meas creation Select the set from Set list of selected Pr
64. rolled by RunUp Mode at first Then is applied the Trigger Source freerun The taking of measured data begin immediately after preparation without waiting for anything external The taking of measured data begins when the external signal voltage level higher then defined Tacho Trig Level appears on the trigger input Such signal may be generated e g when the machine starts to work This type of signal is usually created in the control system manual The taking of measured data begin after pressing the Start button Remember that you should push the Start button twice First pushing is for preparation second for triggering amplitude The taking of measured data begin when the signal level exceed the Ampl Trig Level which is set by user also in this menu Both positive and negative levels are accepted The signal amplitude is taken directly from sensor input no additional filtering is applied Examples the level is set to 100mV triggered when the raising signal goes from e g 99mV to 101mV the level is set to 100mV triggered when the falling signal goes from e g 99mV to 101mV tacho The tacho is special case of external trigger When we talk the tacho we mean the signal usually like TTL which contains one pulse during one rotation of the shaft It can be also understood like series of single external pulses The taking of measured data begins when the external signal voltage level higher then defined Tacho Trig Level appears on
65. rties 38 Wideband frieasferrienil seccion er eren pcm tecob a 42 ISO 10816 wideband measurement essssssssesese eee mn nennen nennen nnn 43 Geny Wideband measurerelib scie coro o eR eR aces tures bio is 43 Time signal measurerellt uuo qtia quoe ae eg iii date 44 G env time signal measurement essessssesssssssessese nennen nnne nna nnne nnns arra rna nns 44 Orb Measurement tilda 45 S Max mMeasurementan dis 46 SPS CUUM measure Menta 46 Geny Spectrum measbleiielit s ca a 47 Speed meastre mentada 47 AGMTTBedsul erit suus ecu seht satin oi 48 Orda measurement aid Anda 48 APS MECA iii 48 Fresp frequency response measurement ocooccnncccccccocncocncocncocononoconononconnnonnnnnnoncnoncnnnnnnns 49 DG Measuremen tanta dis iaa 51 Center ne measurement aida ia 51 TROBAR COn iiM LL DE d EU do des 52 MPO GUCTIOMN m Tm 52 A Ee 52 Le ROCC SiN e e INI MM IM LL ILI I 52 TFL ANCL VISO PUNE NC a T T T TU UU NR 53 TAES SCCO TITTEN t 54 Machine properties planes number screen ccc ecceeeceeceeeeeeceeeeeceeceeeasetseeeeeseeeeeseeees 56 Single plane DAlANCING siii tar ad ob Ree ca Bedae stud fec duae i uo oe deed do uod uud 57 The measurement properties screen for 1 plane balancing 57 RUN 1 screen 58 RUN 2 the TRIAL MASS screen 59 RUN 2 the RESULT screen 60 The RUN 3 screen 61 Trim Screens 61 Dual Plane balance oa ISO 62 The measurement properties screen for 2 planes balancing 62 RUN 1 screen 63 RUN 2
66. ry 2010 04 17 02 42 23 2010 04 17 02 44 46 3 spec ch 1 B 10 400Hz L 1600 T 4s 0 5 mms RMS Hz 150 300 350400 The View Trend example The trends of wideband values is in two top graphs The cascade graph contains several spectra Notices In L2 L1 or Set levels of VA4Pro the Notices item appears This item enables to add the user comment to every level of project or route measurements How to fill the User Notices is described in the Global User Notices section In the route you can add the notice also to the graph Push the left down button Project L1 or Set according to list of items and select Notices Notices P4 Machine is not running Alignment required The notice on selected item appears The field can be empty or contains notices written already Push the Select and you can select one item from predefined User Notices You can switch the User Notices with the factory notices by User Factory button 34 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Notices F1 2011 04 21 10 00 28 2 Machine is not running Use the Shift A a lt gt button to change the button functions capitals small letters edit arrows Use the Time Stamp button to add the date and time Add your own specific information Notices F1 2011 04 21 10 00 28 2 Machine is not running 2011 04 21 10 04 44 Very dirty III The Delete All button era
67. ry These parameters are used for limit values according to machine type nominal power or shaft height Bearing Settings The fault bearing frequencies can be displayed in spectra The bearing type definition is required for that Select this item and next window appears Select Bearing Type item and press OK button or right arrow button From next list select required item and press OK button Bearing type database selection from database 20 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Bearing Type nul NNUDSAO SKF NNUDSAQV SIKKF NP23 SEA NF31 SEA NP 32I SEA NILITO SO NILIETOASQU NETIM MU10 500 5KF NU 10 530 NLIT0 530 SKF NLIT0 560 NLITO0 560 SKF NLITO 600NTA NLITO GOONMIA SIKF NLU TOUS NILIETOOS ROT Enter the name or part of the name and use the up down arrows use Shift button to change buttons function bearing selection Confirm by OK user Rotating Race Inner Number of Balls 0 Ball Diameter mm 0 Bearing Pitch Diameter mm O Contact Angle 0 0 OK If the required bearing is not contained in the database then you can define the parameters manually none none bearing defined the fault frequencies will not be displayed Rotating Race for correct calculation of fault frequencies the selection of rotating race is required Date Time Month Day Hour Minute Second 2 OK Set the actual
68. s are held and amplitude are modulated for better view 67 Lo EE 1 Ra tenor atic E A D D ar Bo n my eu ms This result is much better because Y axe scale corresponds with real pulses amplitude not with speed sine wave amplitude 85 For further technical and contact information visit www adash eu email info adash cz
69. ses all created notices Press the OK to close and save the User Notices The indication mark N appears behind the name of item Plant W lFan X1 Set list 35 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Measurement Definition in the Set As has been described already the Set contains definitions of measurements Meas which we want to take together To show the example is the best way how to learn the process of measurement The example of requirements for the Set Meas 1 RMS wideband value in mm s frequency band 10 1000Hz from channel 1 Meas 2 RMS wideband value in g frequency band 500 25600Hz from channel 1 Meas 3 Spectrum in mm s range 400Hz 1600 lines from channel 1 number of average 4 Meas 4 Spectrum in g range 3200Hz 3200 lines from channel 1 number of average 8 When the measurements definition is made see the New Meas creation section everything is ready to make the real measurement Push the Start button green triangle button For stopping the measurement use Stop button the red square button If the Trigger Mode is set to single then only one measurement is taken Meas_Point_A REC Default Rec Graph 1 of 4 Actual 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 111 17 7 Hz 8 31mm s Every graph on the screen contains one measurement More screens with graphs can be developed The description of each graph is in the top E
70. tion Example All measurements were taken on a slow speed 23132 TOR rolling bearing rotating at 60 rpm 1 Hz Outer race defect is on the bearing The short pulses are generated during the operation We measure the signal with a record length of 4sec When 2048 samples standard value is used then 200Hz anti aliasing filter is used We take the signal without any pulses All of them are cut off by filter uf nf 1000 1500 000 500 5000 35500 4000 ms We use the 19200Hz sampling frequency But we can measure only 42ms time signal The time between the pulses is 114 ms We need to be lucky and to hit the pulse 84 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro al 5 LU I5 ei 25 30 35 40 ms Next measurement uses the ACMT method You see it works Long time signal contains required number of pulses and the peak of each of them is captured That is what we need The ACMT method can do even more Short duration pulses have usually small amplitude They are often modulated by speed frequency We use standard measurement and result is in the next picture wy lgl 20 s ED Bo nO oO ms You see only speed sine wave and no or small pulses which are filtered by anti aliasing The standard ACMT is used in next picture We used the ACMT together with band pass filtering which removes the speed sine wave from the signal The all short pulse
71. tions are available when the Set list is displayed The selected Set in list or opened Set looking to the graphs you can Copy to new Set when you want to keep the old Set and use the recently arranged new Set You can also Rename or Delete it When you want to move data to the computer DDS software you need to export them at first The VA4Pro disc is not accessible from PC The VA4Pro contains the special VA4 DISC flash disc which is accessible from outside PC and also from the VA4Pro processor The Export function copies the data from internal disc to the VA4_DISC flash disc Then the data is available from PC to read them The Clear Data function erases all saved data and leaves the Set empty like new set The Project List button enables to display the list of projects Save Data saves actual measurements It means all graphs are saved View Trend View Actual The measurement results are not saved automatically to disc data are only in RAM memory and are lost after closing of set Use Save Data item for that When you save several data e g each hour then you can read them from the memory and display their trend Use View Trend function to read and display from the disc Use the View Actual to look at actual measurement results from memory 33 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Meas Point A REC CoastDownGearbox Graph 3 of 4 rend Histo
72. to accurately detect and analyse these pulses for correct diagnosis The individual pulse can have very short duration Consequently it is necessary to set a high sampling frequency for measurement Only in this way ensures to obtain a correct measurement of signal amplitude The time interval between pulses can be very long when the speed is low seconds minutes We need to see the time signal which contains several pulses as minimum for correct evaluation The long length of time signal is required This matter needs to use the low sampling frequency These two aspects produce the conflict in the measurement setting 1 We need to use high frequency sampling for pulse measurement which means the measured signal will very short e g 100ms When the time interval between pulses is in seconds we have low chance to catch it And we have no chance to have more pulses in one time signal 2 We need the low sampling frequency for long time record e g 10s to obtain more pulses in one signal But with such sampling we cannot measure the pulse because cut out by anti aliasing filter If we switch off this filter we have also no chance to catch it because pulse duration is short and time period between samples is long ACMT is the solution This method implements both contradictory requests by double sampling the data The high sampling frequency is used in the beginning Then the data are compressed That is why we can take long time signal for evalua
73. tween values Amplitude 12 5 mm s Phase 56 0 Speed 25 0 Hz Use the down arrow to move to the next screen 58 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro RUN 2 the TRIAL MASS screen The trial mass mounting and response measurement is required to take on RUN 2 screen FAN KV90 RUN 2 Plane 1 CH 1 Trial g Use the Enter Trial button and enter the trial mass Press START button and measurement will be taken If you press the Edit button then you can manually enter all values balancing calculator function Use the Tab for shift between values Plane 1 CH 1 Trial 150 0 g Amplitude 19 2 mm s Phase 145 0 Speed 25 0 HZ Use the down arrow to move to the next screen 59 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro RUN 2 the RESULT screen FAN KV90 RUN 2 Trial mass removed Trial mass kept Trial Mass Position Trial Mass Position Blade Weight Blade Eu Balancer Project Sensors Balancer Global Launcher Because the number of blades was defined the final mass is divided to the nearest blades of the exact balancing angle The angle position is always measured from position of trial mass You can continue in two ways The left side determines two masses if the trial mass is removed from the rotor The right side deter
74. urements Meas which the user wants to take and display together E g you want to take 4 Meas together acceleration overall velocity overall velocity time signal and velocity spectrum You prepare the Set which includes these 4 required measurements Meas The definition of Set is saved in the Analyzer memory You can save many various Sets which can contain your often used sets of measurement Then you select one Set and run it The taking off all measurements included in the set is made simultaneously See also Virtual Analyzers section for better understanding The Project You can use only various Sets for analyzing But sometimes you can need the more structured items then simple Set Such items we call Projects Examples Meas Point A This is only simple Set which contain several measurements in one point Pump P Point 1 Pump P Point 2 Pump P Point 3 The structured Project of 3 Sets 3 points on one machine Pump P This type of Project we call L1 Set It means Level1 Name Set Names Plant X Pump P Points The structured Project with name of Plant Level2 names of machines Level1 and names of Sets This Project type we call L2 L1 Set Export of the Project to the VA4 DISC flash disc The computer can read any data from VAA flash disc only This flash disc has the name VA4 DISC The set with measured data has to be exported to the flash before the transfer to the PC During the set measurement are data saved to the VA4 hard
75. w adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 11 24 3Hz Re 55 5 1Im 29 0 Re 65 6 lm 29 0 125 um RMS Spec View available only for View Trend single one spectrum graph cascade waterfall graph spectrograph 2D view of amplitudes vs time 1 spec ch 1 R 10 400Hz L 800 T 2s 14 30 57 2009 1 1 02 2008 11 02 Orbit View orbit standard 2D orbit view AB two input time signals from channels A and B XY two time signals transferred to X and Y axes 41 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Wideband measurement Detect Type RMS Channel 1 Band fmin Hz 10 Band fmax Hz 1000 ts 4096Hz Speed control off Samples 4096 Avg Unit OK This is typical example of wideband measurement The RMS value of vibration velocity in frequency range 10 1000 Hz is measured 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 0 5 0mm s The first row contains used parameters The 25 1Hz on the right is the speed because the tacho sensor was used Change the Detect Type to 0 P 1 0 P ch 1 B 10 1000Hz NS 4096 T 1s 1 98mm s Note that the 1 98 is not 1 414 times bigger then 0 570 Some of users mistakenly think that the formula 0 P 1 414 RMS is valid for every signal It is not true That formula is valid only for pure sine wave The true RMS and true peak measurement are generally independent The only rule is that the peak
76. xample 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s The translation Meas No 1 RMS value Channel 1 Applied band filter 10 1000Hz Number of Samples of the signal 4096 Time length of signal 1s The Signal means the time signal from which the evaluation was made 3 spec ch 1 B 10 400Hz L 1600 T 4s 4lA 17 7Hz The translation Meas No 3 Spectrum from Channel 1 Range 400Hz Lines 1600 Time length of signal 4s 4 signals for 4 AVG used speed 17 7Hz 36 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Input Buffering Measured signal is collected into the input memory The analyze procedures read the signal data from the memory and compute all required results which are displayed on the screen In the case when too many results are required the computation is slow and displayed graphs are not in time they are delayed We are talking about Real Time RT graphs you see the actual results or about Non Real Time non RT graphs delayed results This information is displayed in the right upper corner Measuring RT or Measuring non RT Graph 1 of 1 Measuring R 1 1 947Hz ED 0 After the measurement is stopped e g by Stop button the computation continues until the input memory is empty The bellow window appears Reading from Input Buffer You can wait for all data acquisition or if you are not interested of measurement from input memory press the Stop butt

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