Home

Adash 4400 VA4Pro fflfflfflffl User Manual

1. Notes In L2 L1 or Set levels of VA4Pro the Notes item appears This item enables to add the user comment to every level of project How to fill the User Notes is described in the Global User Notes section Push the left down button Project L1 or Set according to list of items and select Notes Notices F1 Machine is not running Alignment required The notice on selected item appears The field can be empty or contains notes written already Push the Select and you can select one item from predefined User Notes You can switch the User Notes with the factory notes by User Factory button 40 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Notices i 20110421 10 00 28 sl 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 P 1 201 104 21 10 00 28 al Machine is not running 20110421 10 04 44 Very dirty I The Delete All button erases all created notes Press the OK to close and save the User Notes The indication mark N appears behind the name of item Flant_WiFan_x1 Set list 41 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 des
2. 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 30 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 soectrum 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 measurements 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
3. ADASH Ltd Adash 4400 VA4Pro Appendix A Technical Specification Inputs Dynamic Channels AC Number of synchronous parallel channels AC 4 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 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 5 Hz 1000 Hz 80 kOhm voltage 10V only one range no gains or 30V tacho signal DC with optional tacho signal converter lt 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 protect
4. ADASH Ltd Adash 4400 VA4Pro VA4runup runup projects are exported here VA4recorder records are exported here va4ver file unit version information for DDS These folders are created when the unit needs them not actually in the first run A4410 Virtual unit with the DDS connection Press the Find button in the DDS VA4Pro window for instrument connection and find manually Find button A4410_VirtualUnit_verXXXX VA4_ DISC virtual unit folder or the A4410_VirtualUnit_verxXXX Data folder Read route from file Disconnected Connect Find Connection of the Virtual unit with the DDS is done the same way as with the A4400 Va4Pro instrument It is possible to copy projects to and from DDS to and from the A4410 Virtual Unit lf the DDS and the Virtual unit are not installed on the same computer then you do not reach the DDS via network It is possible to copy the VA4_DISC to the flash drive memory which can be connected to the computer with DDS For DDS is important to find the standard VA4_DISC folder structure It is not necessary to copy all VA4_DISC folders however directory structure has to be kept that means the Analyzer projects has to be in VA4analyser folder etc I Attention VA4_ DISC which should be read by DDS have to contain va4ver file Don t forget to copy this file when you copy the VA4_DISC folder A4410 Virtual unit and A4400 VA4Pro connection How to share projects between the real and virtual unit wil
5. 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 Unit Avg save 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 1 1 Hz A 2 6 um B 1 68um X 06um Y 3206um Two couples of values are displayed A B and X Y The A B values represent exact distance from sensors The X Y values represent the position according the Cartesian X Y coordinates The position 0 0 correspond the position where A B are equal their offsets The polar graph is displayed for trend Octave Spectrum All parameters are described in Octave Analysis chapter The exponential averaging is not available in Analyzer mode 61 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
6. 31 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 The time and date of last saving of selected project is displayed in top right corner Project List SOK ONS lle OF Oks Main 19 09 2013 Project Sensors Global Screen New Project Set creation Push the Project button Them menu appears select New Set item New L1 Set New L2 L1 Set Copy Rename Delete Clear Data Notes Export Export to runup 32 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 appears in the displayed Project list alphabetical order Project List 19 09 2013 16 08 07 Meas Point DC 5 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 Enter the L1 name Pump _P Enter the name on Level 1 e g machine name and press OK The Project list appears alphabetical order ject Li 19 09 2013 16 08 54 Meas Point A 5
7. Longer measurements not available 8 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 drive connection appear on the computer Close those windows lf 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 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 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
8. 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 Channel Unit Detect Type Band fmin Hz Band fmax Hz fs 4096Hz Trigger Control on Number of Triggers 16 Averaging linear Avg off Save 1 RMS ch 1 B 10 1000HzZ R 16 0 545mm s ISO 10816 wideband measurement The ISO 10816 limit values are also available for wideband measurements The green amber orange red point is displayed in front of measured value according the ISO limit lf 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 The color of circle is related to the machine condition class A B C D the green for A or B the orange for C and the red for D Also the information about machine group and foundation are displayed The limit which is exceeding is also displayed at the bottom 51 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro G demod wideband measurement Channel 1 Unit g Detect Type RMS DEMOD fmin Hz 900 DEMOD fmax Hz 25600 fs 633536Hz Samples 81
9. View Trend then you can export just one displayed data or all data saved in memory The unit asks you Export All One and then you select the button Export to wav exports data of selected measurement to the wav file format time signal and orbit the file is saved to wav folder on VA4_DISC Time signal is exported as one file with two channels 1ch signal 2ch trigger Orbit is exported as two files A and B channels before exporting you need to enter the required range of signal in wave file It enables to obtain better resolution in file If the true peak of signal is e g 8mm s then enter e g 10mm s Enter the wav full scale value mm s Export to csv exports data of selected measurement to the csv file format See next chapter the file is saved to uff folder on VA4_ DISC 38 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro CSV file description The measurement data are saved in individual lines Each line contains values depending of type of measurement Time time amplitude trigger g env Time time amplitude trigger Orbit time amplitude A amplitude B amplitude X amplitude Y trigger Spec frequency amplitude g env Spec frequency amplitude Cepstrum quefrency amplitude ACMT time amplitude min amplitude max trigger Orda order amplitude phase Fresp frequency amplitude phase coherence Octave spectrum frequency amplitude
10. 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 Next LED is near each input connector green OK no light no measurement is taken in this input red error usually ICP error Note During the measurement are functional only LEDs for inputs used for measurement e g red LED ends the lighting during the measurement and starts again after it Virtual Analyzers Data Processing 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 A4410 Virtual Unit you can download from the producer s website Easily u
11. 09 00 09 10 09 20 09 30 09 40 09 50 10 00_10 10 10 20 Hz 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 1 1 04 20 08 12 2009 1 1 04 20 10 26 47 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro ap_s the trends of amplitude and phase related to speed 1 1 49 9Hz 5 49 9 A 50 1 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 9 24 3 A 71 7 polar 2D complex view 125 Jum RMS Re 65 6 lm 29 0 48 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro trend3D t the 3D tube view it is the nyquist graph expanded to Z axe time scale 1 15 24 3Hz Re 65 6 lm 29 0 125 um RMS View phase shift available only for trend linear graph of phase shift amplitude ratio and coherence related to the time scale polar polar plot of phase shift and amplitude ratio View spec available for trend amplitude one spectrum amplitude graph cascade waterfall graph spectrograph 2D view of amplitudes vs time phase one spectrum phase graph 1 spec ch 1 R 10 6400Hz L 400 T 62 5e 03s 1 1 21 5Hz spec ch 1 R 10 400Hz L 800 T 2s 1 1 50 4Hz 0 0 000 0 250 RMS 0 225 0 200 0 175 0 150 0 125 0 100 0 075 0
12. 35 0 7 156 0 1 29 0 Hz Te 25 0 Hz a TTEN el Sohail Balancer Close 25 09 2013 Balancer Sensors Settings Project RUN 2 with trial mass in plane 1 lt is similar like single plane balancing only two trial masses must be subsequently mount to two planes If you know the dynamic factor then you can enter all 4 values manually and you do not need measure the RUN2 The red disc on the screen is displayed on the plane to which should be just mount the trial mass If you defined the properties in Rotor Settings then the recommended trial mass is displayed Plane 1 Trial 15 0 g Recommended 90 0 g Use the Enter Trial button for re entering of the trial mass if it is required The corresponding plane for trial mass mounting is demonstrated by the red disc After the measurement of plane 1 take the measurement on plane 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 72 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Balancing A02 Run 2 Ent r Measurements with trial in plane Tri Recommended 15 3 mms RMS 87 0 7 29 0 Hz 167 140 7 Adash 4400 VA4Pro t 9 10 mmis RMS 68 0 7 29 0 Hz 177 19 2 7
13. Brightness Screen brightness settings for instruments made after November 2013 Screenshot The screenshot will be saved in bmp format to the Screenshots folder on VA4_ DISC It contains sub folders for each mode The About Version O22 Licence OOO000 Built 2013 09 30 07 59 43 Installed 2013 09 30 075949 Disc Capacity 1338 0GB Used Space 10 466 7 5 Free Space 12 7 6GB 92 5 VA4_DISC Free Space 965 6 Help Displays html version of manual 21 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro Trigger Settings Runup Mode Trigger Source Pretrig Trigger Mode This setting is used in Analyser and Octave Analysis modes single Only one measurement is taken and displayed 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 This setting is used in RunUp mode It has to be defined how often the data will be taken in the runup mode 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 For averaging is only one pushing of START needed speed The next measurement is taken
14. Channel A Channel B Remove Trial Balancing Masses add mount Blades speed 4 Save 2 outside rotors not used Meas Mode Avg Resolution speed 4 Save Planes single dual plane s balancing Image selection of machine image different images are available for single and dual plane balancing Look left right view direction only for single plane balancing Rotation CW CCW clockwise or counterclockwise Inputs single dual one or two AC inputs sensors can be used only for dual planes balancing Channel 1 4 the number of AC input which will be used for sensor mounted on the bearing only for single plane balancing Channel A 1 4 the number of AC input which will be used for sensor mounted on the bearing A only for dual planes balancing Channel B 1 4 the number of AC input which will be used for sensor mounted on the bearing B only for dual planes balancing Note The bearing marking A and B has only the symbolic sense It has no relation to the balancing planes 1 2 and to the balancing computational procedure You can mark any bearing as A and the second as B Remove Trial yes no the trial masses can be left on the rotor or removed after the trial run When the trial mass is kept on the rotor then must be included into final mass figuring choice available only for dual planes balancing for single plane are both results displayed together Balancing Masses add mount remove drill 65 For furth
15. For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Date Time Month Day Hour Minute Second Save Set the actual date and time User notes settings When you collect the route or Analyzer measurements you can add to every point or measurement the text notice Because many notes we use regularly we can save them to the instrument to the User Notes set With new unit you receive also the factory predefined notes It is recommended to develop your User Notes 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 Notes item Notes User Notes Settings Machine is not running New bearing New motor New coupling New belt Unsteady operation Dirty machine Oil under machine In the initial screen contain the empty list of user notes and the factory notes bellow that list Use Select to move the cursor to the factory set of notes Notes Select factory note New bearing New motor New coupling New belt Unsteady operation Dirty machine Oil under machine Use the arrows and select one note and push the Add button The note will be copied to User Notes set 26 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Copy all notes which you want from factory set Push Sel
16. 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 You can use all memory quickly 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 information about used and free memory is displayed during the measurement e g 5 103 2GB The Set and other items The meaning of the Set and also meaning of other items in the RunUp menu are the same 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 Channel Unit Averaging Avg Resolution speed 4 save The RunUp mode is set to speed and the value is 1Hz Start measurement push Start button After the full soeed is achieved press STOP T1 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 The last measured value is on the screen Press Set V
17. Meas Point DC 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 Set list Push the Set button and select New item Pump_P Set list Enter the Set name Pointt Enter name and push OK The list of sets appears Use the Close Project button to return back to the project list 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 33 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Enter the name push OK The project list appears alphabetical order Froject List 19 09 2013 16 09 42 Meas Point A 5 Meas Point DC Pump P Li 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 Project buttons to return to the Project list New Meas creation Select the set from Set list of selected Project 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
18. Next functions available for list of projects New L1 Set New L2 L1 Set Copy Rename Delete Clear Data Notes Export Export to runup Copy copy of selected item to the new one Rename renames selected item Delete erases selected item Clear Data erases measured data in selected item Notes see next chapter Export copy of selected item to the VA4_DISC where is accessible for computer Export to runup export of selected item to the RunUp mode Also you can export projects from RunUp mode to the Analyzer mode Functions for Set Next function are available when the Set is opened it means the graphs are displayed Notes see next chapter Save data saves last measured data When you close the Set without saving the measured data will be lost View Trend View Actual The switch button for displaying of last measured data Actual and data saved in memory Trend 39 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 4 4 16 8Hz 0 5 ms RMS The View Trend example The trends of wideband values is in two top graphs The cascade graph contains several spectra Clear Last Data if the trend is displayed then it deletes last measured data in measurement point or set according of displayed data Enter Speed The possibility of manual entry of speed which will be saved with data The tacho has of course priority
19. RUN 1 screen Fan KV90 Run 1 Initial measurement rims RMS m Fz Balancer Close ne 99 C3 Balancer sensors settings Global Project 700 Oe Se 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 between values Amplitude 12 5 mm s RMS Phase 56 0 Speed 25 0 Hz Use the down arrow to move to the next screen 67 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 Run2 Measurement with tral Enter Tria g Recommended 40 0 g mmis RMS m Fz l Balancer Close 35 09 20113 Balancer sensors settings Global Project Push the Enter Trial button and enter the weight of trial Confirm by OK The recommended weight is displayed only if the Rotor settings parameters are entered 08 39 Push START button for measurement Push Edit and all values can be manually entered balancing calculator function Use Tab in left for cursor movement Amplitude 19 0 mm s RMS Phase 145 0 7 Speed 25 0 Hz After the RUN2 measuremen
20. 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 main screen Bearing database is ready to use 28 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 will switch off 29 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 allows 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
21. channel signal box with USB connection to the computer The demonstration purposes is the second use INT ING 4x AC 4x ICP PEAK TRIG 4 clectahie 1x TACHO 10 P x OC 2ay PEAK lx PWR SW Soma A4404 SUT EY Analyzer Box INT IN vac INS axne IN4 TRIG O QOQ I NI H4 N 4 ad 4 a wt J J O O Installation Download uncompress the A4410_VirtualUnit_verXXXX zip file XXXX represents the version number and save it to selected disc and folder e g C VirtualUnit Compressed file contains A4410_VirtualUnit_verXXXxX folder which contains 1 data folder for application data e g projects 2 bin folder with binary files 3 runme bat file for launching Attention A4410_VirtualUnit_verXXXX folder must not have limited access for user e g readable only Contact your IT person if you are not familiar with such conditions A4404 Signal Analyzer Box drivers installation The A4404 Signal Analyzer Box needs special drivers Follow next instructions 102 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 1 Download FTDI drivers file from www adash cz Download section Third parties software A4404 VA4 Box driver CDM20828_WHQL _Certified zip 2 Uncompress the file into any selected directory e g C CDM20828 WHQL Certified 3 Connect the A4404 Signal Analyzer Box to your PC via USB cable 4 If drivers are not i
22. 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 76 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 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 RunuUp 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
23. is available The number of FFT lines must be chosen in the computational procedure The FFT with fewer lines is faster and displays results more often When you select higher resolution e g speed 64 then more lines must be used and you will wait for results longer time If you have some considerable spectrum amplitude near the speed frequency then you need to select the higher resolution It eliminates the disturbing influence of the non speed frequency near the speed Example the speed is 25Hz The resolution is speed 4 i e 6 25Hz The speed line bandwidth in FFT will be 6 25Hz It means that speed line contains all frequencies in the interval 21 875 28 125 If any disturbing frequency is in that interval then higher resolution must be used Frequency speed value the frequency value for phase shift measurement can be entered manually value or can be used the speed frequency from tacho sensor Next Meas functions New Advanced Copy Info Edit Delete Export to uff Export to wav Export to csv Copy copy of selected measurement to the new one Info displays measurement properties Edit enables changes in measurement properties Delete deletes selected measurement Export to uff exports data of selected measurement to the uff file format not for all measurement types the file is saved to uff folder on VA4 DISC lf the Actual measurement is displayed then only this data will be exported If the saved data are displayed
24. raS 21 SCEN DO ee nn ee A ee E E EE 21 THE ADOU aeie e E bia NO EN LE 21 E EE EE E E E E E dane teslanacane dane tes ieneeue 21 TNgder Seting Serre a a ur ctl Cunt ae Gaal 22 GODA SEWING S erar A a E a aE EE 23 RUNU seran E EE E 24 SPEC SEWN eieiei a a a e e A 25 Date TIME N a E E E 26 U erno SeN EE E 26 PV OUICS riae ei a E O EO EE E EE 27 Ona OOUE a E A E 27 TNE WWIQND SCKECN sontaa E 28 Update Or Ihe unit iMWAaA G eae a a ele Catia lead anni 28 Update of Dearing databas eccriene ieroci en E E EE 28 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro BEY CAO ACI e E a 29 MSt UMEN DUN OS srair E EE E E E E E EE EE EEEE 30 Control ANd Ment DUttONs suini a a E 30 Te SoN OUNO Neee A EEEE 30 The Analyzer MOQO ssis annon aaa aa a a EEE EEEa 31 EANO E a a a a a ent eee ae eee 31 TEP GFA EPE EAE E E accent A A A ESE EA AEAEE AET 31 TE SG onnaa aaa 31 TSR OOC EE E A cee NE ENEE N N TE 31 Export of the Project to the VA4 DISC flash disc cccceccccseeeeeeeeeeeeeeeeeeeeseeeessaeeenees 31 FIP SU PAA ZOE SC OO erii srct a aa tac ats oct tibet A neat EE O EEEE EEE OEA 32 New Project Set Creation cccccccccsscccsececeeceeceueeccececsueecseeeessaeessueeeseusessueeessusessueeeneas 32 NeW Project E Se Creal Ollie sessen nnne EE ESARET 33 New ProjeGt HL 2 1 1 Sel Che A tlOM iactaiec saves ScararcesvstorenSeauetoaiud gases SeauediaawilanenSeansoieoe dass
25. 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 46 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 1 spec ch 1 R 10 800Hz L 1600 T 2s 1 1 Hz 0 150 jg RMS 25 0 5 5be U5 BFFI 106 Orda Table on off the order values table Statistics Table the basic statistic values of trend are displayed n number of measurements in trend EX mean value arithmetic average o sigma deviation average Xmax maximum value Xmin minimum value Xmax Xmin the interval of measured values 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 for orbit View center line center line 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 View fresp ampl phase real imag nyquist amplitude phase coherence time amplitudes View aps available only for trend aps t the trends of amplitude phase and speed related to time of measurement 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 j P 15 7 08 20 06 30 08 40 08 50
26. 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 time or speed This option is the combination of speed and time The next measurement is taken when one of them is changed more then the value Speed change Hz or 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 controlled 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 in External 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 th
27. 00 fs 1024Hz Lines 1600 t 45 df 0 25Hz Averaging linear Avg total t 32 s5 Overlap 0 Save 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 R 10 400Hz L 1600 T 4s 2 8 42 1Hz 0 50 mmis RMS 16 5 ord 0 392 Y 0 118 tot 0 695 The information in top right contains averaging 2 8 speed 42 1Hz and bellow them cursor position 16 5Hz order f speed 0 392 value 0 132mm s and total RMS of spectrum 0 619mm s 54 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 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 G demod spectrum measurement Channel 1 Window hanning Unit g DEMOD fmin Hz 500 DEMOD fmax Hz 25600 fs 65536Hz Range Hz 800 Lines 800 t 15 af 1Hz Averaging linear Avg 8 total t 85 Overlap O Save 1 g demod spec ch 1 R 800Hz L 800 T 1s 8 68 25 1Hz g RMS 92 0 226
28. 000 8000 16000 L A Each spectrum is combined with two bars at the right side The total sound level L and the used weighting level A D are displayed The line over each line is the maximum peak reached during the measurement H11 71 11 7 Y 6 23 100 dB 20e 06Fa i 15 6 31 5 b3 125 250 S500 1000 2000 4000 S d 16000 L For each line is used also the short time peak memory It looks like snowing 98 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Bump Test lt enables to find the resonance frequency of machine body Set the used channel and the number of hits for averaging Test contains two parts The level of amplitude trigger is found in the first part The response spectrum is developed in the second part Settings Channel 1 Channel channel with the accelerometer Hits number of hits Amplitude trigger setting Bump Test Al 4 Measuring F 12 12 120 1 my m mW Y VW uW uW NANSA AWA 1I ii Nf iy AAE AC 1 Make one or m re hits then press Stop Bump Test Eroon In the first part of test we need to detect the correct value for triggering Make the hit and look the moving of the hand on display Make all hits with the same force More then one hit is recommended 3 4 Push Stop to finish it 99 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Respon
29. 050 0 025 Jerai 0 000 a MEE View spec available for actual amplitude one spectrum amplitude graph time displays the time signal from which the FFT was developed phase one spectrum phase graph View orbit 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 Speed Period on off the speed time period is displayed FTF Period on off the FTF time period is displayed BSF Period on off the BSF time period is displayed BPFO Period on off the BPFO time period is displayed 49 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro BPFI Period on off the BPFI time period is displayed Graph Lines continuous discrete the spectrum can be drawn as line through the tops of line or as discrete vertical line for each frequency continuous 1 spec ch 1 R 10 400Hz L 1600 T 4s 2 8 50 0Hz 0 25 mmis RMS 37 5 Y 0 007 tot 0 630 2 8 50 0Hz Fa 5 0 00F tot 0 630 Wideband measurement Channel 1 Unit mm s Detect Type RMS Band fmin Hz 10 Band fmax Hz 1000 fs 4096Hz Trigger Control off Samples 4096 t 15 Averaging linear Avg off total t 15 Save 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 570mm s The first row contains used parameters Th
30. 2 10th order Averaging 1 255 Overlap yes Smax Gap and Centerline displays for proximity sensors yes Recording Sampling frequency user defined in range 64Hz 196 kHz Record length example 3 GB for 1 hour record with 64kKHz 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 1or2 Speed range 0 5 Hz 1000 Hz Balancing Advisor for automatic fault detection yes Balancing Quality factor according IS01940 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 50 15F 120F EMC CE tested Dimensions 280 x 205 x 55 mm Weight 2 5 kg 107 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 Descrip
31. 92 t 0 1255 Averaging linear Avg off total f 0 1255 Save It is very similar to standard wideband measurement The signal is filtered in DEMOD fmin DEMOD fmax range and demodulated then The Unit cannot be changed only the acceleration g unit can be used No integration of signal is enabled 1 g demod RMS ch 1 B 500 25600Hz NS 8192 T 0 125s 4 320 Time signal measurement Channel 1 Unit mm s Band fmin Hz 10 Band fmax Hz 1000 fs 4096Hz Trigger Control off Samples 4096 Avg total t 15 save 1 time ch 1 B 10 1000Hz NS 4096 T 1s 1 1 25 1Hz 25 mm s 10 Y 46 2e 03 totRMS 0 557 totP 1 66 Ji Tpi A LAN LiT kU Nh A LA Ua d ia ie 0 0 Le D Hi j T i j ij 2 5 100 200 300 400 S00 600 900 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 Settings Trigger Source tacho Then define the number of averages 1 time ch 1 B 10 1000Hz NS 4096 T 1s 32 32 25 1Hz 25 mms t 0 Y 0 191 totRMS 0 431 totQP 1 29 C M nh I PT LA 25 ms 100 200 300 400 S00 600 FOO S00 900 1000 You see the effect of averaging in decreasing of signal noise The speed frequency is better seen With the cursor values are displayed also totRMS and totOP values 52 For further technical and contact information visit www adash eu email info adash cz
32. ADASH Ltd Adash 4400 VA4Pro G demod time signal measurement Channel 1 Unit g DEMOD fmin Hz 500 DEMOD fmax Hz 25600 fs 65536Hz Samples 8192 t 0 125s Save This function enables to see the signal when the standard envelope demodulation is used 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 Unit um Band fmax Hz 800 fs 2048Hz Trigger Control off Samples 4096 Avg total t 2s Save 1 orbit ch 1 2 B 800Hz NS 512 T 0 25s 1 1 50 9Hz A oo 4 50 4 120 100 75 The A1 means that the channel 1 is used for A orbit channel B2 channel 2 is used as B 53 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 S max measurement A channel number 1 B channel number 2 Unit um Band fmax Hz 3800 fs 2048Hz Trigger Control off Samples 912 t 0 25s Averaging linear Avg off total t 0 455 Save 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 Unit mm s Zoom Spec no Band fmin Hz 10 Range Hz 4
33. Bearing Faults Speed Period FIF Period BSF Period BPFO Period BPFI Period Graph Lines I I Important notice All available values will be described for every item But these all values are not visible always During your work are always displayed only values choices which give sense at that moment E g the Axe Z third axe is only visible in 3D graphs e g cascade spectrograph Display value trend 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 1 1 9 93Hz 0 683mm s When value is used then last measurement value is displayed default setting 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 1 1 9 93Hz 0 8 mm s 0 683 0 5 0 0 45 00 43 30 4400 44 50 46 00 45 50 46 00 46 30 A00 4730 20100A O24 42 45 20100417 02 47 45 When trend is used the measured values are displayed in the trend Scale max Y autoscale for every new graph but the range is increased when higher value comes auto Y autoscale according data values of every new measurement user user defines 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 Cursor position the time or frequency position of cursor in the selected graph man
34. DC1 DC2 DC3 DC4 Trigger Channel Time minutes manually stopped Start of Rec freerun Save 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 recording 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 85 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 AC 1 10 10 g O O O a ta bJ R ry en fa fat a b b b bJ bJ cr i i i b b b iam iam iam 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 sa
35. 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 PC USB connection warning Switch off the A4400 instrument when you connect disconnect it to from computer by USB cable 7 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 INI IN2 N3 IN4 TRIG ADASH 4400 VA4Pro at O mO STAT a xy POWER o e 9 a The green LED on the front panel right at the top lights after switch on The switch off The switching off can be done by POWER button Power Off button on the main screen in the Global menu is the Power Off item available 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
36. MS gt l O 0 5 0 0 0 1000 2000 3000 4000 5000 6000 7000 8000 speed RPM gt 91 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Unbalance Misalignment and Looseness The FASIT mode also advises you what the most probable source of vibration is The three individual bars are displayed 92 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The 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 mac Measuring R ae coe richie eae ve bb n bap r y ki t i ne Volume ail iiir 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 Playback Settings For Playback speed settigs push Playback Settings button and select the value Playback speed 1x Save 93 For further technical and contact
37. OFS 00 NWTN NLU TOFS 00 SKF NU10 530 NU10 530 5KF NU10 560 NU10560 5KF NUTOBOOMA MU1OBOOMA SKF M1005 MUTODS KOY 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 in o Bearing Pitch Diameter in 0 Contact Angle 0 0 save 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 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 Offset mvV 8000 Unit um Position 45 save Sensitivity mV unit sensitivity value Offset mV offset value Unit unit selected from the list or user unit Position 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 Tacho The speed is measured from tacho channel The signal contains one or more pulses per one rotation The pulses can also trigger the measurement 19 For further technical and contact information visit www adash eu email info a
38. 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 DS2011 TG Database Trees FAesources Toole Window Options Help Of ph pabe hal n 2A Oo Machine cel Item Cell View Selection Scheme Instrument Bele Power Station ie Read route from file Save route to file a c Turbo Generator Disconnected Connect i Fans is iM Fan 1 Kotor HLIRY BILIRH ALeRvV HLZRH AIL2ax f f f f EN 2 a 4 5i Be ia 5 Ready 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 Fans 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
39. TAG SOMO 3241 oe8toitt siete oetleitaistatel at aitlasleitleut leita eteitleut lait eteitleutlaitialeteits 108 E XAMDE anne een ne RR ne te ee oe ree AR 108 The ACMT method Can do even MOP cccceccceceeecceecesucesuceseeesueesueeeueesueesueesueeseeeaaes 109 5 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Before you begin read this manual The VA4 unit is continuously developed and new functions and features are added often Such additions also require changes in manual and that changes can be very time expensive That is why we do not change all pictures in the manual so that are related to the latest version Some pictures which are usually only backgrounds remain in the manual although they were changed already Certainly it is acceptable only on places where such background has no consequence Next list contains the main cases of older pictures 1 The initial screen is called the Main Screen now In some pictures the old name Launcher remained 2 Some older initial screen pictures are used They contain less modes then newest version 6 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Before Switching On General warnings 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
40. User Manual a Washa Adash 4400 VA4Pro Ver 2 33 September 19 2014 Select Mode Vibration Analyzer E asht For Professionals ig _ Tis j ERE Runup eee j Octave Analysis o 3 sensors Update Global ADASH Ltd Adash 4400 VA4Pro Content Before YOU begin read this MANUAL 1sccsssccsesccenncnennsnnnsnensesennesensesensesensesensssensssenes 6 Before SWVC MIAO Ossis i i Ea 7 General Warning Seere a r a E 7 POUSE CONNECCION W ININ oiea a hate eee Ran dete Ral clefts 7 GENMeL al INTOTIN AU ON sosisini ie eee eee 8 TNESWIC OM roiete a N 8 TAG SWINGIN ON anena at ease iteete tn Settle leant aliet ia sieatia mite eati a sicicten tte 8 AUO SWIC OFM sheet eet a ll at aah ant ect a oleh ln aah etl 8 Dise IFES GabaGily Wall hem stare intace dc oiareintects E EE thica bea EE dea atbncen sc 8 GONMMECTION 10 ING COMPUNC Ko ese etic ect ceases actin EEEE EEEE T EE 9 TE PICHCIA ARON NG o5icsrdict cee tanidetstian eect iectatscasmaeale ghia E E 9 The DSP board Monitoring ANC reSet ccceccceeeccseeceececeeeceeeecceeeseeecseeeeeeesueseesseeeess 9 VrualA alyzers Data OCCSSING wcaee nas qansuce des A 9 Run the instrument on your COMPUTEL cccceecceeeceeeccucceucceuecessceeeceueceueseaeecaeseeeseanenass 9 How to work with MenU wiiccticwticntgencdestiestietiiestietiies tes ties tes dbo onde nei shoe 10 UG MH SCICCHOM is testteutteet laut eete hae a ai steaneemiten nen lia tt aed tegtnarstateieat
41. acho signal 14 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 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 15 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro A4409 BNC Box ore GH C Box D INK i Do 1 a This box can simplify the connection of more cables to VA4Pro inputs The BNC input connectors are used on the top panel for connection of 4 AC channels and 4 DC channels On the side panel are two Binder connectors which enable to connect all 4 AC channels to IN2 input and all 4 DC channels to IN3 input See the wiring diagram of IN2 and IN3 in previous chapter You see that all 4 AC channels can be connected to one input IN2 In the same way all 4 DC channels can be connected to one input INS 16 For furt
42. and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Plane 1 Plane 2 Trial mass kept Trial mass kept Trial lass Position Trial Mass Position 4 8 18 y 5 30 2 g The RUN 3 screen When the masses are mounted then you want to check the job The measurements on both planes are required Amplitude 3 50 mms RMS Amplitude 4 30 mms RMS Phase 24 0 7 Phase 65 0 7 Speed 25 0 Hz Speed 29 0 Hz Run 1 L8 mm s RMS Run 1 10 6 mms RMS Effect af 3 Effect 59 4 Bal Quality 8 1 Bal Quality 15 2 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 vibrations in Quality balancing quality factor according ISO 1940 mass of rotor and radius of balancing required 15 For further technical and contact information visit www adash eu email info adash cz ADASH Lid 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 mass 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
43. and order analysis Pretrig 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 External Trig Edge rising falling edge for triggering External Trig Level V See the description in Trigger Source external Global Settin JS Route Autosave Route START Button Display Small Values ICP initialisation Delay s Stop if ICP Error Units Frequency Unit Speed Unit Power Line Frequency Hz Phase Range 180 Displayed Spectra in Cascade 32 Date Format dd mm yyyy Language ENG Align Graphs off Graph Grid on Background Color black Cursor Type linear Record Analysis Speed real time save The underlined values are the default values
44. ange high 16 16000 Hz for noise measurements central octave frequencies low 1 1000 Hz for vibrations Frequency Weighting none A B C D The human ear has the subjective characteristics known as the loudness It is the function of sound intensity and frequency For example the 20Hz pure tone with sound level 20dB would be clearly audible The 100Hz with the same level would not be heard it lies below the threshold of hearing The unit of loudness is phon The loudness level in phons of any sound is defined as being numerically equal to the intensity level in dB of a 1000Hz tone The purpose of weighting is to make the readings correspond as closely as possible to the loudness level Historically four weighting were defined A used for loudness levels below 55 phons B used for loudness levels between 55 and 85 phons C used for loudness levels over 85 phons D used especially for aircraft noise However today is A weighting frequently specified for measurements irrespective of level Averaging linear the standard arithmetic mean for every line peak hold the maximum value during the measurement for every line exponential the continuous measurement where the older spectra have less weighting then the newer Avg number of averages 97 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro F15 65 16 24 6 100 dB 20e 06Fa 16 315 63 125 250 500 1000 2000 4
45. 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 82 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro G_Fans Turbo Generator Fans Fan 1 MotoriL1RV raph 1 of 5 Select Actual Position m1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 8 43mm s Graph Max Min Use the Back to return back to points list The measured point is labeled by the symbol v all defined measurement were taken or by the cross some measurements were not taken due to error G_Fans Turbo Generato Faint list Motor L1 Mlotor L2RV Motor L2RH Motor L2AX 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 l
46. ash cz ADASH Ltd Adash 4400 VA4Pro Balancer SOUS esien A etude ad datncletdetide dated eee dened ee aes 65 Basic Settings 65 Units Settings 66 Rotor Settings 66 SINGlS OlaMe DalaniGiA Ga cssaectes eee setaceractecee ce E cette edicts 67 RUN 1 screen 67 RUN 2 the TRIAL MASS screen 68 RUN 2 the RESULT screen 70 The RUN 3 screen 71 Trim Screens 71 Dual lane palaning ix cse3 ccstaes tesstshate sissy E sents a a aR 71 RUN 1 screen 71 RUN 2 with trial mass in plane 1 72 RUN 2 with trial mass in plane 2 73 RUN 2 Result screen 74 The RUN 3 screen 75 Trim Screens 76 Balancin EMO Sa a a EE 76 THe RUNU D s E EONO EEEE OE EEA 77 Measurement Control ean E a 77 TACE Se a O Hae 1S HAS wesatatocoesannieconsanateconssi ede tris anmusentisnansenalonacsann venenataleaesann armanaseacsaan saa 77 R n UD Me aSUreMe Mesiaicdniataiagaraidiat naan lettin a a a aan 17 TIVO ROUTE oirnn Ta e EEEE ETEEN 80 Loading of the route to the instrument cccceccceccceccceeeceeeceeeceeecseeceeecseesseeseeeneeeseeenes 80 FOUTS meas remMment irssi a 81 FUSING VALS sera E A N T E T ae 83 Manualenti y ecersssnne a a taal ena nan a Aah in erate neatenbaenemehiaaies 84 EXPOMTO VAN LS Ce seca tc eesti E eee eed lee 84 Download of the route to the COMPUTET ccccccseeeceececeeeeseeeeeeeeseeeeaeeeeeeeseeeeseeesaeeesaees 84 The Recorde nonononononononorne Tananan a 85 NEw RECO rencangira E EOE A EE 85 EGITING OF RECO Orear a E A 86 Pr
47. ata are saved to individual files where each file contains defined length Trend Time Axe relative the time axe begins from zero TrendfHistory 1 04 2010 02 24 10 22Mo9 000s 1376 2579 1 RMS ch 1 B 10 1000HzZ NS 4096 T 1s 1 1 600RPM Y 2 79 oom Sim 10m 15m z m 25m 0m 35m 40m 17 04 2010 02 24 10 17 04 2010 03 07 08 real time the time of measurement is displayed on time axe TrendfHistory 17 04 2010 02 24 10 17 04 2010 02 47 05 13762579 11 600RPM Y 2 79 04 25 02 30 04 35 02 40 02 45 02 50 02 55 03 00 03 05 17 04 2010 02 24 10 17 04 2010 03 07 05 Trend Length auto value the length of the trend graph the range of X axe It is used for RunUp measurement and for the Graph Properties View Trend When the auto is used then all data in the trend are displayed Spec Settings These settings are the default settings which are used for graphs Axe X lin Axe Y lin Peaks List off Graph Lines continuous Save 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 Y 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 Graph Lines continuous discrete the spectrum can be drawn as line through the tops of line or as discrete vertical line for each frequency 25
48. beataud 33 NOW Mea CleallOMsiteittectettatestic celal atioutetietites aioe atiateatiatileati ote tielitestian 34 New Basic 34 New Advanced 36 Next Meas TUNGCHONS einernie r cnet te enews b cece ad etna sie een saad EEE at naeae desea acne egies 38 GOV TIE A SEDU OM Senn EEEE E TE E T 39 Next functions available for list of projects cccccccecccecccececeeeceeeceeeceeecseeceeesseeseeeneeenes 39 FUACHONS TO r O Eo an Ohno cn reer enter rntt nt ern ten tren on ct 39 INOUCS vecsasereassecscnincreduceedelnduchenuxsaetucae EE OON 40 Measurement Definition in the Set cc ccccccecceceeeecseeeeceeeeseeeeeseeeesseeeeseaeesseeeeseueessaeeesees 42 NDOT BUN CHING eisers Sennuiied iandiaetia necark iecsiane e a eS 43 Band imMINRZI AP MEIN oes r 43 The ANalyzer p ttons desSCipUGNsaseaenn a a a Ea 44 The Arrow Mode button 44 The Start OK button 44 The Stop Cancel Back and Close button 44 Graph Max Min 44 Graph Properties 44 Wideband measurement raneren ae nE Sacer cached lan anced Saearetanesey 50 ISO 108 1G WIGS D AMG TNSASURS ICI silastic tects aaner ghee ada ants oat acerca ens 51 G demod Wideband MEASULE MOM scissncssdscacvceeiareieedscpavsccdaswiassncadnnesienatnedsaptescenaswinvenaaencons 52 THIMESIGNal MCASULEMECN secre E E 52 G demod time Signal MEASULEMENL cccceccceececeeeeecececeeeeseeeeseeceseueesseeeesseeessueeesanses 53 Orbit MmeaS reme Missa eee ee 53 MO Mea SUr LUN OI ecclesia tesla te a tar des aoe ae recie
49. 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 80 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 main screen The list of routes in the memory is displayed The time and date of last saving of selected project is displayed in top right corner Route List 19 09 2013 16 25 19 f Fans Main 19092013 Route Sensors Global screen 16 26 Select one route and press OK The list of machines appears 81 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Turbo Generator Fans Fan 2 select the machine and press right arrow to develop the list of measurement points TG_Fans Turbo Generator Fans Fan 1 Paint list Motor L1RH Motor L2RV Motor L2RH Motor L2AX 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 OVERALL TIME 0 25k SPEC ISO When you press the Start button in the points list the measurement graphs
50. contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro i AG J ie Q _ Oer a Q DC gap channel In case of displacement sensor eddy current also DC channel could be entered which is used for gap measurement eddy current sensor should be concurrently connected to AC and DC input ISO Machine Group see next chapter ISO 10816 Machine Groups Bearing Type see Bearing Settings chapter FOTN 1357 Lis ISO 10816 Machine Groups You can set the appropriate machine group according the ISO 10816 for each channel separately or for all channels together ISO Machine Foundation rigid save ISO 10816 Classification of machinery 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 save Select Bearing Type item and press OK button or right arrow button From next list select required item and oress OK button Also recently used bearings are displayed database Rotating Race inner Save user undef 22228 18 SKF 3202 Bearing type database selection from database 18 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Bearing Type Mu NNUGS40 5KF NNUGS40Y SKF NP23 SEA NPS1 SEA MP3 T SEA NLU TOFS00 NLU T
51. cribed 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 raph 1 of 4 Select Actual Position m1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 111 17 7Hz 8 31mm s Select Every graph on the screen contains one measurement More screens with graphs can be developed The description of each graph is in the top Example 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 4l4 17 7Hz The trans
52. d 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 selection in menu items 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 for properties selection The scale ranges and types lin log definitions are the typical use 44 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Type wide g env time g env orbit Smax spec g env cepstrum speed ACMT orda aps fresp de center band wide signal time spec Orders Ampl Freq line band signal Fhase Resp ee S S S o S o oo es o ooo ci lay o o a o Pf fd cale Cursor a C ie a ae E Cursor Position Delta X Axe X Axe Y Axe Z Order Z RangeldB Detect Type Peaks List Synch Table Orda Table Statistics Table Primary Cursor View
53. dash cz ADASH Ltd Adash 4400 VA4Pro Pulses per Rotation 1 save Tacho Trig Level The correct reference value has to be set for soeed measurement E g when the standard tacho level is 0 5V and the pulses rich the 1 5V then the value 1V should be correct The negative pulses are not allowed you need to use Adash converter for them Pulses per rotation This value has to be set for correct speed evaluation when more pulses are generated during one rotation The Trigger Source tacho is not available for more then one pulse 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 20 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 Runup Spec Settings Date Time User Notes Settings Profiles About Help Screenshot Brightness Power Off Signal Source Live Power Off Additional way for switching off
54. define some basic measurement use the New Basic Select required measurement from the list This way is very fast 34 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 ry ees See ee ey eee eee RPM Ea i ISORMS wideband RMS vel 10 1000 Hz isec J BEARING RMS wideband RMS acc 5000 25600 Hz 1sec o fo LBEARING RMS wideband RMS acc 500 25600 Hz tsec o Jo OVERALL RMS wideband RMS ace 1 225600 Hz tsec J Isoo P widebandOP vel 10 1000Hz tsec To BEARING 0 P_ widebandO P acc 5000 25600 Hz 1sec J LBEARING 0 P widebandOP acc 500 25600 Hz 1see Jo o Tooo OVERALL O P widebandO P acc 1 25600 Hz tsec f fo ISO TIME time signal vel 10 1000 Hz 1sec 4096 BEARING TIME time signal acc 5000 25600 Hz 05sec 32768 J o LBEARING TIME time signal acc 500 25600 Hz 05sec 32768 J o OVERALL TIME time signal acc 1 25600 Hz 1sec 65536 o ISO SPEC spectrum vel 1600Hz 4sec 1600 4 OVERALL SPEC spectrum acc 25600 Hz 1sec 1600 16 35 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 measureme
55. e 25 1Hz on the right is the speed because the tacho sensor was used Change the Detect Type to 0 P 10 P ch 1 B 10 1000Hz NS 4096 T 1s 1 98mmi 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 RMsS 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 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 V14 V2 V8 8 The indication 8 8 is on the right top 1 0 P ch 1 B 10 1000Hz NS 4096 T 1s 2 00mmi s For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Let s change the Avg back to off and change the samples number to 32768 The measurement will be 8 sec long 10 P ch 1 B 10 1000Hz2 NS 32768 T 8s 2 12mm s You see that the result is different from the previous value It is clear the max 0 P value in 8 sec signal is not equal the average of 8 0 P values which takes 1 sec each Let s change the type back to RMS 1 RMS ch 1 B 10 1000Hz NS 32768 T 8s 0 572mm s Now change the length to 1 sec 4096 samples and Avg 8 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 0 5 72mm s You see the same result Both values are equal
56. e Start button Remember that you should push the Start button twice First pushing is for preparation second for triggering manual sequential Similar to manual but every measurement for averaging must be start separately E g when AVG 10 then the START button must be used 10 times 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 rising edge and negative falling edge levels are accepted E g entered 5g will trigger on 5g or 5g 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 22 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 in tacho sensor appears on the trigger input the same like external item Only when the tacho is set it enables the speed measurement time signal averaging aps
57. echnical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Main screen After switch on the Main screen appears You can select the required mode of the unit Select Mode a gt Vibration Analyzer E asht For Professionals Octave Stethoscope Analysis Global Update of the unit firmware You can download the updated firmware 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 main 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 main screen window is closed now The procedure of update is described in the new command window After the update the main screen appears again Update of bearing database The bearing database you can download from website Adash Downloads Software Adash The Bearing Database item is in A4400 VA4Pro section The name of the file is bdx01 va4 Connect the instrument to the computer Remember it has to
58. ect and the cursor moves back to the User Notes field Now you can write your own new notice Push the New Line button for old guys the CR LF is added Push the Shift A a lt gt button the alphabet 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 Notes Notes User Notes Settings Machine is not running l Alignment required The Alignment required was written by user Profiles All instrument parameters can be saved to the Profile It is useful e g for saving of sensor sensitivities Save settings as new profile Factory acc_sensors proximity sensors Save settings to name saves the parameters to the Profile which was opened Save settings as new profile save the parameters to the new Profile after name entry Factory opens the factory default Profile list of saved profiles acc_sensors proximity_sensors selection of existed profile The Delete button removes selected profile 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 Virtual unit on your computer use the Default Rec for testing 21 For further t
59. er eae Scien om eeere nee a ern een n ee Seren eer 101 A4410 VINCE CONG cnoiar E E 102 Metalai Mren a a Cn a a en ee 102 A4404 Signal Analyzer Box drivers installation 102 License file 103 Boa e I AE A A A A A E A A A E AA TT 103 ODS FAN OM aaee R EE E E E E E E ER 103 VAA DIGG ea a a T 103 VA4 DISC Folders Structure 103 A4410 Virtual unit with the DDS connection cece cece eceeeeeeeeeceeeeeeaeeeuecaeeeaeeeseeeaaes 104 A4410 Virtual unit and A4400 VA4Pro CONNECTION ccc cccceecceeeceeeceeceeeeeeseeeaeeeeeeaeeees 104 Copying projects to the VA4Pro instrument 104 Projects and records copy from the VA4Pro instrument 104 The Virtual Unit vs the real instrument CIfferenCes cccceecceceeeeceeeeeeseeeeeeseeeeeeaeeees 105 Appendix A Technical SpecifiCatiOn css1sscccnscccenscscennsnenensneneneseensseennssenensnenens 106 ARTELE i S A A A AN EAEE EEE TE P ATAA A TE EE A tea 106 Dynamic Channels AC 106 Tacho Channel 106 Static Channels DC or 4 20mA 106 Measurement Functions ccccccccccecceeeceeceeeceeceeeceeceuecaecaeeceeeeeseesaeeceesaeeseeeeesensaeesaes 106 Recording arec T a 107 Balanci verried A toa tyentneeteiiauentnet tea uentaese 107 Genedl nanea aaa eee aeauauenE 107 Appendix B ACMT bearing and gearbox MCASUFCMEN 11scccescsensesenseseneesenes 108 PADDIGC AMOS crre Massiuniaoeabeaaeitiong Sato ansiercbaachiaaie 108 ID OSCHOUOM sterncut tien N E A van te aa nd O ata 108 PGI VSS
60. er technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Blades the number of blades for rotors with blades This parameter is used in job figuring to split the mass to blades Meas Mode single online meter when you push the Start button then only one measurement value can be taken single or the continual measurement values displayed online meter In online meter mode you can look at more values and to evaluate the changing of them in time You need to STOP the measurement when is displayed the value which you want to use Avg the averaging of more then one measured values is available Resolution read the explanation in the Meas functions New Advanced section Units Settings Detect Type RMS Speed RPM Mass g Save Amplitude selection from available units for used sensor Detect Type RMS 0 P P P Speed selection from available units for speed Mass selection of unit for mass Rotor Settings Correction Radius mm Balance Quality Grade Save Rotor mass rotor mass in kg Trial radius radius to which the balancing mass will be mounted Balance Quality Grade the value which is defined by rotor type according 1501940 All parameters are optional It enables to calculate balancing quality factor according 1801940 66 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Single plane balancing
61. ercsiemtas 10 User defined values sheet lain a a eee hi tl den Sat nel is ae 10 Multi Selection Of items cccccccceccaseceecaeeceecaeeceecaeeceeceeesueceuecueeeueseeecuesaeeceesaeeseesaeeseees 12 DEArCMING OF MCI scat tce totes tcc ys ethc re cusattteat E 12 INPUT CIANNEGIS sirsiran aaa aE E E EE EEE TESS 13 IN ESOC O naaa a oe aetactn dak care ne ee ban de ameaauenaa ate teat 13 INSS OCKO Fror aa a a a r a tec aetats SSE 13 INS SOCK Elisson nna SEE RAER 14 INA OCKO Tyra AE EERE atte atk E teasads 14 TET Ca SOCK Ces eat heath stata a athe atten ees git otte ae aah c cee 14 Standard Cable Winn cssixccsctsict ce wsthe a E tia toactcceicerntietenchdaniaeralons 15 A4409 BNC BOX cratesecizatecvcieacuevasenceeccecncedvei cnc euiie ctateeibenstoeabe cate edie ante tease teeta 16 SENSOLS DIOD CIOS goss ee eee eee eee 17 AO SONGO ener re en ener eee nee Reena ene ne ne een ene ee eee ee ee eee ere 17 IS 10816 MaGhine GOUD Semien a a dace 18 Bearno SCN S epia a eatin dtoectartleatianct Gitar lace tanstdactatileatiant 18 GS CNS ONS ee Ai hca yh cat eee Gants GaGa ee a Rane etna Cn ata 19 TACNO waste n tees ors eerste dee at a narnia neat esate a ie ase as wee ee oe eat tetas 19 Sensor Properties Of recorded SIQMal cccccsscccceececeeeeeceececeeeesseeceseusesseeeseneesseeeesanses 20 OD Al Properes ec is eres sera seca eca cai eso eace eased a eee ee 21 POWECD OI eorna a dt onc bees scee st dacs ca sca E 21 EIQ C SS scire rnae en a r
62. eriences It s difficult to invent critical value definition which would be simple that means not many parameters such as speed power bearing type machine type and so on and reliable On the figures below is clear how we derived limit values Three levels of machine condition are defined GOOD ALERT Machines lays in this range are not acceptable for a long period operation they could be operated till time when could be repaired and DANGER Vibration values in this range are considered as very dangerous and they can cause a damage of the machine The corresponding colors are taken from traffic semaphore green amber and red All limit values are related to the speed value The low speed machine should generate lower vibration then higher speed machine In the graphs area you found three particular areas The GOOD condition is the space up to the yellow line that means operation without restriction The space above yellow but under red line is an ALERT condition Possible to operate the machine but have to be more checked It s necessary to determine the source of worse condition and plan repair for instance change the bearing or maintenance balancing alignment The space above red line is an DANGER condition and the machine should not be operated First figure contains the values for overall machine condition and you search unbalance misalignment and mechanical looseness above all They are called overall because we can mea
63. ets are in the top panel The versions older then 0200 had only 3 sockets in the panel Q e O 0 a E on a eae ST 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 20 V DC OUTPUT max 10mA for eventual sensor powering 4 SHIELDING 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 13 For further technical and contact information visit www adash eu email info adash cz ADASH Lid 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 t
64. 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 Route START Button start start next start next enables immediate start of measuring on next point The next machine will be displayed after the last point in the machine 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 2 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro ICP Initialisation Delay s default user the time delay after the ICP is switched on Stop if ICP Error on the measurement is stopped when ICP error occurs off the measurement continues ICP error is only information Units metric imperial both all units appears in the menu Frequency unit Hz RPM CPS CPM Speed unit Hz RPM CPS CPM Power Line Frequency it is used for Elect value in Synch table which is displayed for spectra Phase range 180 180 0 360 the range of phase values Displayed Spectra in Cascade 32 128 256 512 1024 the number
65. h eu email info adash cz ADASH Lid Adash 4400 VA4Pro See the New Advanced chapter for more information about Resolution item A channel number 1 B channel number 2 Avg off Frequency speed Resolution speed 4 The result contains phase shift value in degrees amplitude ratio ampl B ampl A coherence If the phase shift is reliable then the coherence must be bigger then 0 8 Fresp frequency response measurement Input 1 Window transient Shift ms 97 2 Length ms 6 35 Output 2 Window exponential Shift ms 97 7 Length ms 196 Result Type H1 Range Hz 800 fs 2048Hz Lines 800 t 15 df 1Hz Avg 4 total t 45 Overlap 0 Save 58 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 1 fresp ch 1 2 B 800Hz L 800 T 1s r00 a00 H0 P 1 0 ali Hz pini ou FU Coh H1 0 From ver 2 32 is the coherence displayed in the amplitude graph The short horizontal line on Y axe is on position of value 1 for coherence 1 fresp ch 1 2 R 800Hz L 800 T 1s A4l4 Hz F276 A 3 59 Coh 0 998 roo o0 Harb P 75 4 This display is created by this Graph Properties Scale auto Axe X lin Axe Y dB Range dB 80 Fresp View ampl phase Primary Cursor amplitude Save 59 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Whe
66. he 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 Plane 1 Trial mass removed Trial mass kept Trial lass Position Trial lass Position F Fot Blade 1 Blade 3 Weight 5 97 g Weight 37 5 9 Blade 2 Blade A Weight 21 7 g Weight 2 42 g 70 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 1 10 mm s RMS Phase 36 0 Speed 25 0 Hz Run 1 12 0 mm s RMS Effect 90 8 Bal Quality 1 4 RUN1 amplitude of RUN1 Effect is the reduction of balancing in the 1 1mm s is the 9 2 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 Angle 38 4 Weight 2 22 o The recommended trim mass is displayed After the mou
67. he same as export to the DDS Copy the VA4Pro VA4_DISC VA4analyser ProjectName the real removable storage device here NOT the virtual unit folder into the A4410_VirtualUnit_verXXXX Data V A4analyser folder In this case there is no 104 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro need of script dds file RunUp Route Records and Balancer projects VA4runup VA4route VA4recorder and VA4Balancer directories are able to copy Example We ve got the analyzer project called Power Station in the real instrument and we want to add it to the virtual unit 1 Connect the instrument with the computer 2 VA4_DISC removable storage device appears Open VA4analyser folder on this device Find Power Station folder in this folder 3 Open A4410_VirtualUnit_verXXXX Data Va4analyser folder 4 Copy the Power Station folder from the VA4_DISC into the A4410_VirtualUnit_verXXXX Data Va4analyser folder The Virtual Unit vs the real instrument differences The Virtual unit use VA4_DISC directory for export and import instead of VA4_DISC flash drive Update button does not work in the Virtual unit See instructions above for Virtual unit upgrade The Virtual unit application runs in window It is not possible to measure live signal without the A4404 Signal Analyzer Box 105 For further technical and contact information visit www adash eu email info adash cz
68. her and how many integrations should be used Detect Type RMS P P 0 P AVG Crest Kurtosis 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 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 DEMOD fmin Hz value The low cut off frequency of band pass filter which is applied to the signal removing low frequencies DEMOD fmax Hz value The high cut off frequency of band pass filter which is applied to the signal 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 Zoom spec no standard spectrum will be made range fro zero yes zoom spectrum will be made range around the center frequency Center freq value center frequency for zoom spectrum Range value Frequency range of the graph Under this item is also displayed the information about sampli
69. her 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 You can define the bearing and ISO 10816 group for every AC channel individually Update Global _ Push the Sensors button In the next menu select channel sensor you want define AC 2 AC 3 AC 4 All AC Sensors All Bearings All ISO DC 1 DC 2 DC 3 DC 4 All DC Sensors Tacho AC1 AC4 setting of each AC channel properties sensor ISO 10816 group bearing All AC Sensors setting of all AC channels together All Bearings setting of one bearing to all AC channels All ISO setting of one ISO 10816 group to all AC channels DC1 DC4 setting of each DC channel properties All DC sensors setting of all DC channels Tacho setting of tacho channel properties AC sensors AC alternate current sensors are used for signals e g vibrations sensitivity mV m Unit Position DC gap channel ISO Machine Group undef Bearing Type undef Save 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 Position the angle of sensor see picture bellow Usually used for proximity sensors 17 For further technical and
70. iasing 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 pulses are held and amplitude are modulated for better view a27 igl j Di NE i 2 r 0 D ar Bo oT ii in ms This result is much better because Y axe scale corresponds with real pulses amplitude not with speed sine wave amplitude 109 For further technical and contact information visit www adash eu email info adash cz
71. iew Trend and in the left upper screen 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 Select one trend from the list and press OK If the analyze is made from record then two time stamps are displayed The analyze time is the first and the measurement time is the second One runup measurement can be divided into more files e g runup is very long See the Global Runup chapter 2014 01 24 09 56 21 2014 01 24 10 01 05 2014 01 24 10 04 45 2010 04 17 02 24 10 2014 01 24 10 05 13 2010 04 17 02 39 00 18 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Runup_04_04_2011 REC Runup Turbine 125 150 2009 1 1 04 20 10 45 Global Launcher 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 19 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 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
72. ine in trend view 83 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 raph 1 of 2 Select Waca Position 1 RMS ch 1 B 10 1000Hz NS 4096 T 1s 111 58 3Hz R 32 4mmi s 37 9mm s Select _ Global Manual entry The route may contain the measurements which have to be entered manually e g temperatures read from analogue display The measurement with subtyoe 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 VA4_ 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 VA4_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
73. influence of noise soeed changes etc If you are not familiar 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 meas
74. information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The Lubri the greasing control There is an increasing demand for an instrument which is able to simply check lubrication of rolling bearings and also the condition of these bearings Every machine does have in its specifications how much lubricant every one of its bearings uses in a specific amount of operational hours A task of each technician or engineer is to regularly check all the lubricated points and maintain lubricant at sufficient levels Either state lack or excess of lubricant are harmful for a rolling element bearing The result is always excessive stress on the bearing and consequently excessive wear Every lubricating point has a lubrication time interval in hours of service and also an amount of lubricant that needs to be replenished This manner of lubrication control has a significant disadvantage The amount of lubricant that any bearing actually needs for proper operation changes during its lifetime Longer lubricating intervals in the case of anew machine are usually not sufficient for a machine after several years of operation lt is clear that it would be useful to be able to determine a state of a bearing somehow and replenish only as much lubricant as is actually needed Controlled lubrication increases bearing service life and lowers costs for lubrication and repairs The main use of this Lubri mode is in the lubrication replenish
75. ion Measurement Functions Data Analysis Speed Amplitude Units Frequency Units Amplitude scale Scaling 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 106 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd 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 8 388 608 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 8 388 608 Waveform ACMT length max 131 072 sec 36 hours Spectrum ranges 25 90 000 Hz Spectrum lines 100 3 276 800 Spectrum Peaks listing yes Spectrum units RMS 0 P and P P Windows Rectangular Hanning Exponential Transient Order analysis parameters 1
76. l be described in this chapter Connect the real Va4Pro instrument to the computer with installed Virtual unit via USB cable The VA4Pro unit will be found as VA4_DISC removable disc on your system It s possible to copy the data to and from the Virtual VA4_DISC folder Copying projects to the VA4Pro instrument Copy the A4410_VirtualUnit_verXXXX Data V A4analyser ProjectName project folder ProjectName is your folder name which you want to copy into the VA4Pro VA4_DISC VA4analyser folder VA4_DISC is the real removable storage device here NOT the virtual unit folder You have to create empty file with the name script dds in VA4Pro VA4_DISC VA4analyser after project copy it has the label sense only RunUp and Route projects VA4runup and VA4route folders are copied the same way Next mode projects are not available to copy Example We ve got the analyzer project called Power Station in the virtual unit and we want to add it to the real instrument 1 Connect the instrument with the computer 2 VA4_DISC removable storage device appears Open VA4analyser folder on this device 3 Open A4410_VirtualUnit_verXXXX Data Va4analyser folder Find Power Station folder in this folder Copy folder into the VA4Pro VA4_DISC 4 Create the empty file script dds in VA4Pro VA4_DISC VA4analyser Power Station folder Projects and records copy from the VA4Pro instrument I I Attention Projects has to be exported to the VA4Pro VA4_DISC first t
77. lation 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 42 For further technical and contact information visit www adash eu email info adash cz ADASH Lid 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 raph 1 of 1 Measuring R 1 1 947Hz H0 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 button to stop data processing Band fmin Hz HP filtering Almost in all measurements you should define the HP filtering of input signal You set it in Band fmin Hz parameter You can select the none 1 2 10 and user filter The none value is available only for direct measurement without integration The none va
78. 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 Record analysis speed fast real time the record could be analyzed in two ways Let s suppose the record length is 300 sec it could be e g run up record You want to measure the APS ampl phase speed during the record If you want to watch the continuous results then select the real time mode and the processing of record will take 300 sec the analyzing time is the same time as the recording time was If you want to save results to the memory and not to watch them on the screen then select fast mode The analyzing time will be much faster then 300 sec Runup Contains runup global parameters 24 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Time Unit minutes Length minutes undef Trend Time Axe relative Trend Length minutes auto save Max Memory Size MB value lt enables partial savings of runup measurement If the size of measured data exceeds the value then data are saved and new runup is opened Time Unit days hours minutes The unit of Length parameter see next line Length undef value If defined then measured d
79. lue does not mean the DC part measurement The HP filter on A D converter is always used But no additional filter is used The frequency range with none filtering begins on 0 35 Hz 3dB point See the response graph fer tt tT CIZ rd ct yi ft ft f ft tT pf tt a S eH ft 1 5 20 ss so 4 43 a Ja 43 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 applie
80. ment process During this process the mode measures the actual lubrication condition of a bearing and tells the operator when the amount of lubricant is ideal This way it is ensured that we do not under or over lubricate This mode exactly determines the ideal amount of lubricant needed As a result your machines will be maintained in their best lubrication condition The Lubri mode enables you to make the whole lubricating process simpler and it normally reduces the consumption of very expensive lubricants Two Possible Ways How to Measure A standard accelerometer sensitivity 100mV g and ICP power mounted on a bearing housing is used to measure lubrication You have two possibilities how to do this 1 The sensor is mounted on a lubrication head This option enables a quick service since the lubrication head is transferred together with the sensor The disadvantage is a partial loss of sensitivity since the lubrication head attenuates the measured signal 2 The sensor is mounted next to lubrication point on a bearing housing measurement pad recommended This option enables a perfect measurement The disadvantage is a longer preparation since the lubrication head and sensor must be mounted separately 94 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd _ Adash 4400 VA4Pro TE y ce ae d gt ws y D E 6 aei gt P s oP fa gt 7 Sensor mo
81. n When the Cancel button is used then nothing is saved 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 The left bottom button Multi on enables to select more items at once Press the Multi on button When 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 VV Pump P 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 Searching of item If the list is to long or you know the name then use the Find button Enter the name or part of name and confirm 12 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Input channels All input sock
82. n you set the Fresp view to time you see the time signals from both channels When you use the hammer the remember to set the Trigger Settings Trigger Source to amplitude the Pretrig to e g 25 select Ampl Trig Channel number and the Ampl Trig Level value 1 fresp ch 1 gt 2 B 1600Hz L 1600 T 1s 1 1 209Hz t 99 9 A 55 52 03 300 350 400 t 99 9 B 26 7 2 06 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 Shift1 2 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 DC measurement The direct DC signal can be measured by this function Channel 1 Unit um Averaging linear Avg off Save 1de ch 1 111 Hz 919um The DC1 sensor must be set according the required unit Offset mV 4000 Unit um Position 45 save 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 voltage 60 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro
83. ng frequency fs which be applied for evaluation ACMT FS Hz value The sampling frequency for ACMT evaluation See the ACMT chapter for understanding Trigger control off Time signal will contain defined number of samples on Time signal will contain defined number of triggers e g revolutions Number of triggers value Required number of revolutions Speed control on Samples value Number of samples 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 first signal for averaging is triggered manually next signals are taken freerun 37 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Averaging linear peak hold Overlap value Overlapping of signals in averaging Resolution When you use the tacho for e g APS measurement the choice of resolution
84. nly 8 values is taken in one second ACMT measurement See the Appendix A for detailed description of ACMT method Channel 1 Unit g Band fmin Hz 500 ACMT FS Hz 1024 Samples 4096 t 45 Save 56 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd 1 ACMT ch 1 FS 1024Hz NS 4096 T 4s 50 fg 254 O 25 50 0 S00 1000 1500 2000 2500 Orda measurement This name means order analysis Channel 1 Unit um Orders 1 10 Averaging linear Avg off Save 100 Jum RMS Aps measurement Aps means amplitude phase speed measurement Channel 1 Unit um Averaging linear Avg off Resolution speed 4 50 0um RMS 18 5 Adash 4400 VA4Pro OHz t O Y 6 68 7 55 ms z000 S500 400 1 1 50 9Hz ord 1 4 50 3 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 Phase Shift The measurement of phase shift between two channel A and B amplitude ratio and coherence on speed frequency with tacho or manually entered frequency For further technical and contact information visit www adas
85. nstalled already in your computer then the Add hardware Wizard window will open and you follow next steps 5 Select Install from a list or specific location and click the Next button do not accept any automatic downloads 6 Check Include this location in the search 7 Click the Browse button and select the driver folder where you uncompressed the file e g C CDM20828_ WHQL Certified 8 Click the Next button and wait for installation completing 9 Delete the driver folder not required License file The A4410 Virtual unit needs the license file adashx 123456 a44 to be running with the A4404 Signal Analyzer Box the 123456 is the serial number of A4404 Copy this file from the CD it is attached to your A4404 Signal Analyzer Box unit to the A4410 Virtual unit data V A4licence folder The ver 0226 and older use the file name adash a44 Update If you would like to upgrade your older version delete the old one and install the new one However if your old version contains data data folder you need to keep them you must not rewrite them Follow the instruction to keep your data 1 Uncompress the new version to the new folder 2 Delete bin folder in the old version folder 3 Copy the bin folder from the new version to the old version folder 4 If the old version folder contains version number rewrite it to the new number it has no effect for running 5 Delete the new version folder Alternative instructions t
86. nt 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 Channel 1 Unit g Detect Type RMS Band fmin Hz 900 Band fmax Hz 25600 fs 65536Hz Trigger Control off Samples 8192 t 0 1255 Averaging linear Avg off total t 0 1255 save wide g demod time g demod orbit Smax spec g demod cepstrum speed ACMT orda aps phase fresp dc center band wide signal time spec Orders Ampl shift Freq line band signal Phase Resp o ee ee Detect Type o o T ee ee ee ee eee eee ee ee eee Result Type ee a RS Ss ee ee ee ee Li Channel he La Unit Ee Band fmin Ee DO oo T S S S ee Band fmax m oe DEMOD fmin ae a Pee ee DEMOD fmax rie O E Pa A e Trigger control Oo T S ee Input channel O a A a ee ae Output channel a ee ee ee ee ee ee FFT Window Oo o oom Spec ooo odo T o T ee Center Frer PT Range oa Lo Oooo O o ACMT FS A ES EL a ee a a a ee S ee Samples Ooo o T ooo o ee STS Number of Triggers S Lo a ST eis Lines es ee ee eee ee o Orders eS E a E E S a E ae Ave el Averagine a Overlap a Resolution a o o a Frequenc Ooo ee o SS 36 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Channel 1 4 The input signal source channel for evaluation Unit name The required unit for results and graph This information is used for decision whet
87. nte saga fetta tata sc kag alge dial 54 SPECIMUIM MEASUINGINGIM zisa cart ae rsa cee laser aera sare alte as 54 G demod spectrum measurement ccccceececeeeeeceeeeceeeeeseeeeceueeeseueeseusesseeeeteueesseeesaaees 55 CEpPStuUmM Meas UE MENi e a e e e e e ea oa a 55 Speca measure MIS IME cgi sete ol salve sees iheh ols emncdeadtGantdeaaudedeubhed ais benoeeblehaidiedeenomebded aesedede 56 AGNI IMCASURCIMC MN oiae Stone EN E alates E N O hae titi beta N E 56 Orda ME AaSUreIMMe Nl sires ciastrenis a a te anced em nena ane ames 57 Aps measure meNl creierii a iEn E T E AA EEE E 97 EEEE M A A EE ET ETE E TE E E E A AAE TE 57 Fresp frequency response measurement cccecccecccececececeeeceeeceeeceeeceeenseeseeeseeeneeenes 58 DO Meas UrEMEN aeree T T EOT 60 Genter ine measureme Misseri Giatauslietlerslaitouslcaetucslecc tase tiactiaes tae 61 OCIAV ESOC CII UNM een a eh ets Nah ete ae Gi ee re ra Gaeta ae io 61 TIVO BALAI COM aise tears E E A 62 MOUCHO ajemeneentererenets seme Reiers om ayers owners ements Meese nite ees a een re Eee ee eee 62 MVS OY OG arc ara dct cancennd E inseam NASD 62 TINS OVS CE SOCOM re fe aaa tel Neer a th dere ad a ae ia hal ae ee al 62 TVG TUES 1S Oh CC Macca sere we ts arate tas tec ne Ae nang nda Phat ah lemateene cdane bales cee atd enceen odes emesis teeta 63 NOW DEO CCU rann e cus es aneumtetsn chard wuss eh ae uaa oat ee 65 3 For further technical and contact information visit www adash eu email info ad
88. nting press the down arrow The TRIM 1 screen appears It is the same screen as RUN 3 screen Run the measurement or enter the values Then the new results effect and quality value are displayed Amplitude 0 900 mm s RMS Phase 59 0 1 Speed 29 0 Hz Run 1 12 0 mm s RMS Effect 92 5 Bal Quality 1 55 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 Dual plane balancing RUN 1 screen 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 11 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro Balancing A02 Run 1 Initial measurements 12 8 mm s RMS 10 0 mmis RMS
89. nzip 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 See the A4410 Virtual Unit chapter for more details 9 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 2 AC 3 AC 4 All AC Sensors All Bearings All ISO DC 1 DC 2 DC 3 DC 4 All DC Sensors Tacho Use the arrow buttons for one item selection e g AC2 Then push OK button The second menu appears sensitivity mV g 100 Unit g Position undef ISO Machine Group undef Bearing Type undef Save 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 ICP 1 Unit g 1 Position undef ISO Machine Group undef Bearing Type undef Save User defined values Again use the arrow button for one sensitivity selection 1 10 100 In most of cases you
90. o keep your data 1 Uncompress the new version to the new folder 2 Delete the data folder from the new version 3 Copy the data folder from the old version to the new version 4 Delete the old version Operation Use the runme bat file to launch the application or run directly the VA4 exe in the bin folder The A4410 Virtual unit contains the same functions as the portable instrument See A4400 manual for all information The only difference is in controlling of the Virtual unit which is controlled by mouse and keyboard Live signal is measured only with the A4404 Signal Analyzer Box Without this unit it s possible to process records See A4400 manual to get info about acquisition and processing of records A4410_VirtualUnit contains one record Default Rec for demonstration Next records you need to measure directly or import them from A4400 VA4Pro unit see A4410 Virtual unit and A4400 VA4Pro connection chapter below VA4_DISC VA4_DISC folder is created in the A4410_VirtualUnit_verXXXxX folder after the first run of the application A4410 Virtual unit use VA4_DISC folder the same way as the real instrument VA4_DISC Folders Structure VA4analyser analyzer projects are exported here VA4balancer balancing projects are exported here VA4balancer_protocol balancing reports are exported here VA4route route projects are exported here 103 For further technical and contact information visit www adash eu email info adash cz
91. oe a eel i5 i rs an Balancer Close 25 09 2013 Balancer Sensors Settings Global Project Press down arrow The trial mass reminder message appears Remove trial mass If you have decided to keep the trial masses option then the reminder message appears Do not remove trial mass 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 13 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro Balancing A02 Run 2 Measurements with trialin plane Enter Tri Fecommended 4 50 mms RMS itude T 20 mm s RMS 156 0 7 li 97 0 25 0 Hz eed 29 0 Hz 208 22 118 159 3 f 20 4 7 om Balancer Close 15 092013 Balancer Sensors settings Global Project Press down arrow The same reminder message appears as in last run RUN 2 Result screen Plane 1 Plane 2 Trial mass kept Trial mass kept Trial Mass Position Trial Mass Position 28 1 33 7 9 34 1 ig 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 used blades the result screen may look like that 14 For further technical
92. of displayed spectra in cascade graph It is not the number of measured spectra Date Format yyyy mm dd dd mm yy mm dd yyyy the a m p m is used 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 setting of background and other colors You can create your own colors profile Use the create item below the black and white The col cpy will be creted on VA4_DISC You can change the RGB value of all colors and then save it with new name When the instrument is switched on then all cpy profiles are moved to the instrument and then used You will find your new name in the list of Background Colors Use the Delete button for removing of user defined colors Cursor Type linear maxs this item must be deeply explained The graph width e g spectrum frequency axe is displayed on the approx 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 it In the version 2 we have used another procedure The cursor moves by pixels not by
93. oject button 86 Sensors button 86 Record button 87 START button 87 Properties button 87 Cursor and Length arrow buttons 87 Arrow mode 87 Zoom X button 87 Zoom Y button 87 Usmo Ol FOCOFG Tor analyzing eiere a AS a 87 TEOT ASIT a esate cae eaeaceetecabe tae cseeesteaene teed ce seetees tesedee ceed 89 FASI Mals Cree Norit a ia tat tae dt alta deat alas et ed iia leads E 89 VIDAUS A MEUM IS ieee esata acl a a a le a ak ce a ce aa 90 LC IVS HINA e EAEE Satya ney A TE ET EN TE E T FE E E EEA E accumsan ET 90 Beanng EIMS aesir rE 91 Unbalance Misalignment and LOOSENESS cccccccsececeeeeceeeeeeeeseeeeseeeeaueeseeeeseeesaneesanes 92 TINE SICTUIOSC ODO unnn ctaee eects esas ene eine seine 93 Thedelayor audio oulei tanta cucanevacndded TE 93 PIAVOACK SEUNG S sea a EE E aa E a EON 93 The Lubri the greasing control assnoannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 94 Two Possible Ways How to Measure ccccceccceeeceeeeeeeceeeceeeseeeceeeeeeeseeeseeeseeeteeeseeeteeees 94 Tepo 1 0 ara n E T 95 A For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro OClIAVEANAIYSIS ste ei oe as 97 BUMD TOSI wa stra sett eect ete E en a asses A e cee E eee emcee 99 SS UNG ese decarss AEE E cts anand pple EAE OAE E A AE E A A 99 AmptUde tigger Setini e E 99 FESDONSe SDCCINUM jaacinn scart d cictun sina a ant ciarnaeenene 100 ANAVI O Ree ae t
94. radictory 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 evaluation Example All measurements were taken on a slow speed 23132 TOR rolling bearing rotating at 60 rom 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 Lal Fi yd So Fanii 2500 o 500 Cen 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 108 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro al a 5 0 I5 70 i J 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 a 20 a0 Bo BO neo zo ms You see only speed sine wave and no or small pulses which are filtered by anti al
95. s the severity of individual item It starts from green color on the left to the red on the right The machine condition bar see the Machine limits description below The bearing condition bar see the Bearings limits description below The Unbalance severity level on oa The Looseness severity level The Misalignment severity level ISO 10816 limits see the ISO wideband measurements the color of circle is related to the machine condition class A B C D the green for A or B the orange for C and the red for D Also the information about machine group and foundation are displayed The limit which is exceeding is also displayed at the bottom The APS value and velocity spectrum with speed and harmonics marked by red triangles are displayed in the middle of screen The condition report and advises are in the bottom 89 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Vibration Limits Because there are a lot of different types of machines it is impossible to determine the critical limits of vibrations for wide range of machines Its reliability would be low then It could happen you will repair machine which do not require it The standards should be rather determined for a narrow range of machines The instrument uses the Adash limit values These limits are not rewritten from any existing standard It s a result of 20 years of Adash engineering team exp
96. se spectrum Bump Test Zoom Xi Measuring R Zoom Y spec ch 1 R 0 400Hz L 800 T 2s 1 4 Hz FU Y 0 000 tot 125 Soom s Mode Cursor Prolife Make 3 hits Bump Test In part 2 continue with hits The spectrum is displayed after first hit and the the average is used for next hits Look at the top right corner and make the hit only when the message Waiting for trigger is displayed You can stop the test anytime by Stop button Spectrum graph has the same properties like in Analyser mode 100 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Analyse Bump Test AC 1 spec ch 1 R 0 400Hz L 800 T 2s HZ BO jm RMS 554 Zoom x zoa Y Soom s 50 soe od Mode ok irae 404 364 1 25 3 Cursor Graph T Properties m Press Start for measuring Main Eump Test Export sensors Global Screen Using of the Peaks list helps to detect required frequencies Start repeats part 2 the same trigger level New test new test Export spectrum export to VA4_DISC 101 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro A4410 Virtual Unit A4410 Virtual unit is the personal computer application It emulates the A4400 analyzer on your computer screen The A4410 Virtual unit is designed for measurement with the A4404 Signal Analyzer Box it is the 4
97. se the Save Selection As button Cursor 00 01 52 374 2010 04 17 02 42 54 Length 00 03 44 749 Speed 0 000 30 0 Hz AC1 15 0 15 0 g AC2 6 00 6 00 g AC3 4 00 4 00 g ACA 15 0 15 0 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 lt is standard Y zooming Using of record for analyzing When you select the record for analyzing in any VA4 module then the preview appears on the top of display 8 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Seti srapn 1 of 2 Actual e CoastDownGearbox_1 ACT 00 00 12 00 01 47 Select Ch 0 495mm s RMS PTI ENTE lla tt valved o Main Screen Analyzer Project sensors During the analyzing of record the cursor is displayed in the record preview The moving of cursor is available and it enables to select the required position for analyses When you need to move the cursor then you have to select the record area to move the red border to the record There are two ways how to do it Analyzer Route and RunUp modes use the Arrow Mode buiton repetitively until the red border is on the record The rest of the modules use the Record button to select and de select the record Also the selection of record channel is a
98. sit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Next functions are available for opened project Balancing Vectors Total Mass Balancing Report creates balancing report in rtf format MS Word and save it to VA4_DISC for PC downloading Balancing Vectors the drawing of ampitude phase vector development during the balancing process The drawing is also included to the balancing report Balancing Vector 20mmis RAIS 90 Description R1 RUN1 R3 RUN3 T1 T3 trims 1 3 Total Mass displays the total balancing mass It is the vector sum of all masses mounted to the rotor basic all trims Total Mass Plane 1 Trial Mass Position Weight 24 9 g Angle 57 4 7 64 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro New project Push the Project button and select the New item Enter the name of project The new project is added to the list of projects and it is selected active in dark color Press OK it will be opened The list of basic properties appears Define your values and press OK Balancer Settings All project properties are defined under this button When you push it the menu with several items appears Basic Settings Image Look Rotation Channel overhung rotor left CW 1 Balancing Masses add mount Blades not used Meas Mode Avg Resolution Image Rotation Inputs
99. sure them on most of the measuring points Second figure contains the limit values of a roller bearing condition This condition is local and can be measured only on appropriate bearing house Work with figures is simple It s necessary to know the speed Instrument determines it automatically or user can enter it manually On the bottom horizontal axis you should find the point which corresponds with speed Above this point you will find an intersection with orange and red graph Projections to the vertical axis will determine limit values for amber or red state If the measured value is lower than amber the condition is GOOD green If the value is above amber but under red then the condition is ALERT amber If the value is higher then red graph then the condition is DANGER red Machine limits The machine limits are used for velocity RMS value in 10 1000Hz frequency range This value helps to define the complete health of machine 90 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 6 0 0 24 5 0 0 2 N wm 4 0 0 16 oO a E 30 0 12 N L O O S a 2 0 0 08 z gt 1 0 0 04 0 0 0 0 500 1000 1500 2000 2500 3000 3500 4000 speed RPM gt Bearing Limits The roller bearing limits are used for acceleration RMS value in 500 25600Hz frequency range 3 5 3 0 N O1 N l Ol Acc g R
100. t the dynamic factor is displayed The DFA and DFP amplitude and phase values are the response values of standardized trial mass mm Srwys 1kg regardless the selected unit for balancing If you will balance the same machine again after some time then you do not need to measure the RUN2 Instead of that you only will enter the DFA DFP values in this screen Use Enter DF button for that DFA 901 DFP 178 6 68 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Fan KV90 Run2 Enter Measurement with trial i Tri f 45 0 g Recommended 40 0 g 19 0 mms RMS 145 0 7 25 0 Hz 201 178 6 Balancer i Close ne 042013 Balancer Sensors Settings Global Project 08 40 Use the down arrow to move to the next screen 69 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro RUN 2 the RESULT screen 1944400 Virtual Unit FAN_KV90 Run 2 eight and position of balancing mass Plane 1 Trial mass removed Trial mass kept Trial Mass Position Trial Mass Position 58 4 Angle 14 4 24 2 g Weight 38 4 9 Balancer Main rae ier Project sensors Settings Global screen You can continue in two ways The left side determines the mass if the trial mass is removed from the rotor The right side determines the mass if the trial mass is kept on the rotor If t
101. the green part remains You need to add a little more lubricant and if there is no further decrease you end the lubrication process If at the beginning of measurement value of vibrations and oilcan are green then the signal from a bearing is very low We have either new or a very well greased bearing 0 439 g RMS 23 of 1 91 g RMS harg Greased The recommendations are also displayed below the bar The acceleration spectrum is displayed in the bottom You can look at the spectrum changes during the procedure You can find more detailed information about lubrication in the A4910 Lubri manual 96 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro Octave Analysis Using of this mode is similar to Analyzer mode You need to create Set and Measurements like in Analyzer Measurement oarameters are Channel 1 Unit Pa Resolution 1 12 Frequency Range high Frequency Weighting none Averaging linear Avg off total f 0 1255 save Type octave spectrum sound level the sound pressure level in dB is defined as 2010g 9 PRus Do Po 0 00002 Pa p is sound pressure equivalent sound level when during time interval the sound level changes then the equivalent sound level is the average sound level of the whole interval Channel 1 4 Unit the unit of measurement has to be compatible with sensor settings Resolution 1 1 1 3 1 12 1 24 Frequency R
102. tion 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 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 cont
103. tot 0 931 0 2 0 1 0 0 200 Example the demodulated frequency 92Hz with harmonics The Unit cannot be changed only the acceleration g unit can be used No integration of signal is enabled Cepstrum measurement Channel 1 Window hanning Unit g Band fmin Hz 10 Range Hz 3800 fs 2048Hz Lines 400 20 55 di 2Hz Avg off total t 0 55 Overlap 0 save 55 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 1 ceps ch 1 R 0 800Hz L 400 T 0 5s 1 1 25 1Hz dB q U 4 b0 0e Us 0 2 0 1 0 0 a A tanen amah katahan 0 25 50 75 100 125 150 175 Used algorithm is cepstrum x inv fft log10 abs fft x X frequency fft fourier transform abs absolute value log10 common logarithm inv inverse function 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 time ch 1 B 10 3200Hz NS 4096 T 0 5s 1 1 25 1Hz 100 m t 0 d 25 0 RMS 26 5 SOI ee ome i I i i ee ee en 0 4 50 100 0 Unit Hz Averaging linear Avg off save 1 speed 1 1 25 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 then more values is used But keep in mind that o
104. ual entry available Delta X the time or frequency interval used for delta cursor computation manual entry available 45 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro 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 Order Z first in front last in front the order of measurements on Y axe Detect Type RMS 0 P P P Y axe type Peaks List on off the 5 highest spectrum lines table 3 spec ch 1 B 10 400Hz L 1600 T 4s 0 2 mmis RMS mmis RMS 0 154 43 7 e 03 ro e 03 66 0e 03 61 5e 03 Synch Table on off table of values synchronized with speed and line frequency SubSynch value under speed frequency Synch value on speed frequency and harmonics NonSynch total value decreased of SubSynch and Synch Elect value on line frequency and harmonics setting in Global Settings Power Line Frequency All values are in displayed spectrum unit and in of total value 1 spec ch 1 R 10 400Hz L 1600 T 4s 1 1 25 1Hz 0 4 roms RMS 0 0 000 tot 0 487 mmis RMS 11 9e 03 0 434 0 2272 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 0 100 jg RMS FIF SPEEL BSF BPFO 175 36 475 100 110 120 If
105. unted near to lubrication point If vibration diagnostic measurements are performed on a machine then a measurement pad is already mounted This pad can be used also for lubrication measurements The procedure 1 Mount the sensor near to the bearing Prepare the greasing gun for use 2 Select the Lubri Mode and the input channel which will be used for measurement Push the START button Then the instrument will automatically measure an actual lubrication state Lubri REC CoastDownGearbox AC Measuring 2 14 g RMS 99 of 2 16 g RMS Eh o Grease In the beginning the instrument takes the initial g RMS value in the frequency band 500 25600 Hz 95 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro The first line contains the actual g RMS value re triggered and the proportion to initial value in Below first line is horizontal bar which always reaches a maximum level after procedure start Lubri REC CoastDownGearbox AL 1 Measuring 2 14 g RMS 99 of 2 16 g RMS Eh o Grease You need to slowly start adding lubricant while monitoring the height of the column on the display Usually there is not much going on in the beginning which means that the lubricant is pushed toward the bearing however it is not there yet At the moment when the lubricant reaches the bearing the column decreases usually its red part disappears and only
106. urement you change the parameters for those implications That is why all next screen implications must be removed and you have to make all necessary measurements again 62 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 The time and date of last saving of selected project is displayed in top right corner Select one project or use the Project button for New project creation Project List 19 09 2013 16 11 430 Balancing01 n Balancing02 Fan KV90 Multi OT 145 Main 19092013 Project Sensors Global Screen Also next functions for projects managing are enabled Copy Rename Delete Clear Data Export 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 selected project like Save As function in MS Word Only the header data are saved machine name balancing type No measured data are saved Rename renames the selected project The project with old name does not exist anymore Delete deletes selected project Clear Data erases all measured data only the project header remains in unit Export exports selected project to VA4_ DISC 63 For further technical and contact information vi
107. 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 VA4 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 disc only or SSD When the set is closed then the VA4 asks the user Export to VA4_ 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
108. vailable for preview the record can contain more channels then one Also the DC channels or speed channel can be used for navigation When the record is selected use the Select Ch arrows in the right top of display Sound of selected channel is also on audio output 88 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The FASIT The shortcut FASIT means FAult Source Identification Tool This mode should help the beginners to identify the machine condition The using of FASIT requires one channel acceleration or velocity measurement In case of velocity sensor the bearing condition is not evaluated It requires acceleration FASIT Main screen Select the FASIT mode button save In the first menu select the AC channel used for analysis and the optional using of tacho When the tacho is not used the system tries to find the speed frequency automatically The user confirms the offered value or manually enters the correct value The first menu is available also by pushing the FASIT Settings button Then the main screen of i appears Press Ie for e 6 31mms RMS 2 75g RMS 10816 Group1 Rigid over Timms RMS re oo TTT gt A r so tT m There is a dangerous defect found on the machine which can cause a damage of the machine Machine shouldn t be in operation Unbalance found Bearing failure found Each horizontal bar 5 bars on the top display
109. ved already in the memory appears on the screen The time and date of last saving of selected record is displayed in top right corner Select one of them arrows and OK The preview of recorded signals appears Project button Copy Rename Delete Clear Data Notes Export Export to WAV New the new project for recording Copy copies all record parameters to new project without the recorded data Rename renames the project Delete deletes project from memory Clear Data deletes recorded data all record parameters is kept Notes adds the notice to the record see Global Properties User Notes chapter Export exports the record to VA4_DISC Export to WAV exports the record to wav data format Sensors button You can change the sensor parameters for next recording 86 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro Record button The record parameters are displayed You can change them but it will influence the next record START button It starts new recording The old recorded data will be rewritten Properties button lt 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 record u
110. want to enter the user sensitivity according to the real sensor sensitivity of your sensor e g 96 8 mV g Select the user and push OK The next window appears and the buttons get the numerical values entry functions 10 For further technical and contact information visit www adash eu email info adash cz ADASH Lid Adash 4400 VA4Pro l Al Cer Sj Unit Sensitivity mV g Shift 45 Position undef ISO Machine Group undef if Bearing Type undef Save Octave Analysis Stethoscope Bump Test 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 AC 1 snit VWeolCP _ Sensitivity mV g Unit 45 Position SO Machine Group Bearing Type Save pe Recorder Octave stethoscope Analysis Bump Test e 11 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 ICP Unit g Position unde ISO Machine Group undef Bearing Type undef Save Use the arrows and select the Save item Press the OK button and the working with sensors menu will close Also you can use the Save button with the same functio
111. 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 84 For further technical and contact information visit www adash eu email info adash cz ADASH Ltd Adash 4400 VA4Pro The 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 which is displayed in right upper corner Measuring 103 1GB 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 AC1 ACZ AC3 AC4

Adash 4400 VA4Pro fflfflfflffl User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents