Brüel & Kjær Vibro VIBROTEST 60 Technical Documentation Manual Download Page 53

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VIBROTEST 60

SETUP - Adjustments

_________________________________________________________________________________

C102 853.002

Page 49 of 168

4.5.6 Averaging mode

Off
Frequency domain
Time domain

Advice for the setup „Time domain“:

This is active only when the speed measurement is switched on

in the System setup and the speed measurement is acquired.

4.5.7 No. of Averages

Freqency domain

Time domain

Exponential
Peak Hold

Summary of Contents for VIBROTEST 60

Page 1: ...Technische Dokumentation Technical Documentation Dokumentation Technique VIBROTEST 60 C006389 01...

Page 2: ...s electronic mechanical photocopying recording or otherwise without prior written permission from Br el Kj r Vibro GmbH The right to make changes at any time without notice is reserved Copyright 2013...

Page 3: ...ew 14 2 3 Extent of delivery 15 2 4 Mechanical construction 16 2 4 1 VIBROTEST 60 measuring instrument 17 2 4 2 AC 601 power battery charger unit 18 2 5 Operation 19 2 5 1 Softkeys 19 2 5 2 Cursor but...

Page 4: ...Technische Dokumentation Technical Documentation Dokumentation Technique VIBROTEST 60 C006389 01...

Page 5: ...oit est interdite sans l autorisation crite pr alable de Br el Kj r Vibro GmbH Nous nous r servons la possibilit de r aliser des am liorations sans pr avis Copyright 2012 par Br el Kj r Vibro GmbH 642...

Page 6: ...1 6 Speed 30 4 1 7 Speed Ref 31 4 1 8 Language 31 4 2 The Cursor control 32 4 2 1 Entry of decimal points numbers and units 32 4 3 Vibration measurement 34 4 3 1 Overall Vibration 34 4 3 2 BCU Bandpas...

Page 7: ...analysis SED mode Selective Envelope Detection 46 4 5 3 Frequency analysis parameters 48 4 5 4 No of Lines 48 4 5 5 Window 48 4 5 6 Averaging mode 49 4 5 7 No of Averages 49 4 6 CPB spectrum 50 4 6 1...

Page 8: ...59 4 10 2 Display test 59 4 10 3 Memory test 59 4 10 4 Calibration info 61 4 10 5 Error reports 61 4 10 6 Upgrade 61 4 10 7 Formatting the PC Card 61 5 Acquiring and displaying measurements 62 5 1 Ove...

Page 9: ...tion 85 5 6 Tracking Analysis measurement 86 5 6 1 Free running measurement 87 5 6 2 Measurement vs Speed 88 5 6 3 Measurement vs time 92 5 7 Keyboard Input 96 6 Data collector mode 97 6 1 Selecting t...

Page 10: ...nent correction example 122 7 8 Single and 2 plane Balancing with prognosis and polar correction example129 8 Storing and displaying measurements Reports on the PC card131 8 1 Storing Reports on the P...

Page 11: ...ED Charge monitoring 147 11 1 5 Battery maintenance with a VIBROTEST 60 in storage 148 11 1 6 Disposal 148 11 1 7 Battery replacement 148 12 Technical Data 149 12 1 Safety conformance 149 12 2 Technic...

Page 12: ...46ff 12 5 Optical reference pickup P 95 161 12 5 1 Application 161 12 5 2 Operating Principle 161 12 5 3 Technical Data 162 12 5 4 Reference mark 163 12 5 5 Mounting Adjustment 164 12 5 6 Problems wit...

Page 13: ...VIBROTEST 60 Contents _________________________________________________________________________________ VTEST60E July 2013 V4 46ff C102 853 002 Page 9 of 168...

Page 14: ...EST 60 should have first read and understood the operating instructions and in particular the precautionary information it contains Indiscriminate usage in the operating instructions is emphasized by...

Page 15: ...July 2013 V4 46ff C102 853 002 Page 11 of 168 Note VIBROTEST 60 should only be operated with its covers on Do not touch the charging contacts under the instrument This could result in faulty operation...

Page 16: ...the most modern standard for condition based maintenance strategy 2 1 1 The concept The modular concept of the VIBROTEST 60 permits individual combinations of measurement functions and therefore opens...

Page 17: ...random Point processing in measurement Routes random switching between analyser field balancing and Data collector modes High tech signal processing with true Digital Signal Processor DSP Guaranteed l...

Page 18: ...asurement vs time f t Module 2 1 Basic Module Machine diagnosis FFT Spectrum Module 2 2 Extension Module Machine diagnosis Envelope analysis BCS SED Cepstrum Module 3 Tracking analysis Free running me...

Page 19: ...ROTEST 60 instrument consists of the following components 1 x VIBROTEST 60 measuring instrument incl Basic Module 1 1 Overalls for machine evaluation 1 x Power charger unit AC 601 2 x Battery set AC 6...

Page 20: ...back light is switched On by pushing any button The function of the respective button is also executed Function buttons ON OFF After removal of the lower housing cover the compartment for the battery...

Page 21: ...owing components Display unit Push button area Sensor connections Battery set PC card drive Display unit Backlit graphic LCD display Resolution of 160 x 140 pixels Display form Black on white Push but...

Page 22: ...again automatically made and the VIBROTEST 60 can be switched on once more PC card drive The VIBROTEST 60 is equipped with a drive for PC cards This is located below the battery set and can be access...

Page 23: ...ive function is selected Command line Softkeys Advice The command line shows functions that can be activated using the softkeys The softkey text will be displayed in inverted form when the function is...

Page 24: ...on The function of the respective button is also executed because of this it is better to use the cursor buttons for switching on the back light 2 5 3 The function buttons The function buttons located...

Page 25: ...on is only displayed and cannot be ed ited in the Listing mode and during the acquisition of data in the Data collector mode EXIT Exit from the current function menu and return to the previous menu Al...

Page 26: ...which zoom function will be currently active Using the cursor buttons the X axis can be zoomed for example a displayed spectrum from 0 1000 Hz can be spread out over a display section from 0 Hz 200 H...

Page 27: ...plitude in the ranges 1 2 5 or the power of ten thereof Starting from the initial display the full scale range can be reduced in predefined steps With a linear scaling of the Y axis the amplitude reso...

Page 28: ...about the frequency is depend ent on the selected zoom factor of the X axis The larger the zoom factor the more accurate the frequency information Switching on the cursor display By pushing the cursor...

Page 29: ...oom function will be currently active Using the cursor buttons the X axis can be zoomed for example the displayed 0 1000 Hz spectrum can be spread out to display a section from 196 Hz 396 Hz The displ...

Page 30: ...ial display the full scale range can be reduced in predefined steps With a linear scaling of the Y axis the amplitude resolution can be increased in which the display range is sequentially changed in...

Page 31: ...necting the corresponding sensors the desired data can be acquired and if required stored to the PC card Each stored data set in future called a Report can be given a description with a maximum of 12...

Page 32: ...order During the Route changes to the sequence of the measure ments at Points in the Route can be made at any time If any changes to the predefined measurement orders or the configuration for measurem...

Page 33: ...ppears EDIT Switch to the functional selection entry menu for editing the para meter values 4 1 1 Channels Measurement channel 1 Channel 1 is active Measurement channel 1 2 Channels 1 and 2 are active...

Page 34: ...tric All measured units based on the Metric system Imperial All measured values based on the Imperial system 4 1 6 Speed Speed measurement is active Speed measurement is inactive Speed measurement mus...

Page 35: ...ed Ref The values for calculating the ratio between machine speed reference impulses have to be entered 1 999 Revolutions Counter 1 999 Reference impulses Denominator Note The minimum ratio is 1 99 an...

Page 36: ...n the process of editing numbers the decimal point should first be positioned at the desired location and then the change in the number executed 4 2 1 Entry of decimal points numbers and units Decimal...

Page 37: ...168 Entering the numeric values Using the cursor buttons position the cursor on the numeric value which is to be changed Select the numeric value using the cursor buttons Selecting the unit Position...

Page 38: ...only with additional adapter AC 630 VS 079 Vibration velocity sensor VS 080 Vibration velocity sensor IN 085 Displacement sensor only with additional adapter AC 630 Variable Sensor not requiring powe...

Page 39: ...sible selection of the unit is dependent on the sensor type and the predefined unit system in the menu System Setup under the title Unit The unit eu is available only when the pickup type Variable is...

Page 40: ...1000 Hz 12 5 kHz 100 Hz 1250 Hz 16 kHz 20 kHz Note The low pass frequency must be at least double that of the high pass frequency Therefore according to the selected filter not all options will displa...

Page 41: ...able Only acceleration sensors not requiring power from the VIBROTEST 60 0 01 1000 00 mV unit V unit Variable CCS Only acceleration sensors requiring power from the VIBROTEST 60 24 V 2 4 mA 0 01 1000...

Page 42: ...al detection BCU none Bandpass Unit Signal detection AS Sensors g rms m s Variable sensors Sensor definition unit rms 4 3 2 3 Filter If Bandpass is selected the desired high pass and low pass must be...

Page 43: ...0 Hz 8 kHz 1000 Hz 10 kHz 1250 Hz 12 5 kHz 1600 Hz 16 kHz 2000 Hz 20 kHz 3 15 kHz 2 5 kHz 4 kHz 5 kHz 6 3 kHz Advice The corner frequency series of the high pass and low pass are planned in the same s...

Page 44: ...RECORD Mode f n If the RECORD Mode f n is selected the following parameters must be set up 4 3 3 1 1 Minimum speed 1 9997 Hz 4 3 3 1 2 Maximum speed 4 10000 Hz Smallest difference between minimum spee...

Page 45: ...68 4 3 3 2 RECORD Mode f t If the RECORD Mode f t is selected the following parameters must be set up 4 3 3 2 1 Measurement time T T maximum 99 999 seconds minimum 10 seconds 4 3 3 2 2 Interval t t ma...

Page 46: ...tional adapter AC 630 VS 079 Vibration velocity sensor VS 080 Vibration velocity sensor IN 085 Displacement sensor only with additional adapter AC 630 Variable Sensor not requiring power from the VIBR...

Page 47: ...46ff C102 853 002 Page 43 of 168 4 4 2 Unit Signal detection Unit Signal detection g rms m s peak mm s pp peak peak m BCU eu 4 4 3 Filter High pass 1 Hz 2 Hz 5 Hz 10 Hz Low pass 20 Hz 1 kHz 50 Hz 2 kH...

Page 48: ...4 6 Averaging mode Off Frequency domain Time domain Advice for the setup Time domain This is active only when the speed measurement is switched on in the System setup and the speed signal is acquired...

Page 49: ...s menu appears EDIT Switch to the functional selection entry menu for editing the parameter values 4 5 1 1 Sensors AS 06x 07x Vibration acceleration sensor AS 1x 2x 3x Vibration acceleration sensor on...

Page 50: ...ting the parameter values 4 5 2 1 Sensors AS 06x 07x Vibration acceleration sensor AS 1x 2x 3x Vibration acceleration sensor only with additional adapter AC 630 Variable Sensor not requiring power fro...

Page 51: ...5 kHz 1600 Hz 16 kHz 2000 Hz 2 5 kHz 3 15 kHz 4 kHz 5 kHz Low pass 800 Hz 8 kHz 1000 Hz 10 kHz 1250 Hz 12 5 kHz 1600 Hz 16 kHz 2000 Hz 20 kHz 2 5 kHz 3 15 kHz 4 kHz 5 kHz 6 3 kHz Advice The corner fre...

Page 52: ...Hz 2 kHz 20 kHz 50 Hz 500 Hz 5 kHz 100 Hz 1 kHz 10 kHz The span between high and low pass must be smaller than the span selected for the SED filter setups e g The SED filter spans 170 Hz the maximum...

Page 53: ...V4 46ff C102 853 002 Page 49 of 168 4 5 6 Averaging mode Off Frequency domain Time domain Advice for the setup Time domain This is active only when the speed measurement is switched on in the System...

Page 54: ...n sensor only with additional adapter AC 630 VS 079 Vibration velocity sensor VS 080 Vibration velocity sensor IN 085 Displacement sensor only with additional adapter AC 630 Variable Sensor not requir...

Page 55: ...e possible selection of the unit is dependent on the sensor type and the predefined unit system in the menu System Setup under the title Unit The unit eu is available only when the pickup type Variabl...

Page 56: ...the previous menu appears EDIT Switch to the functional selection entry menu for editing the parameter values 4 7 1 Sensor sensitivity Physical Signal Units mV eu Upm m s V C rpm t h mA F MW kg s N k...

Page 57: ...s AS 06x 07x Vibration acceleration sensor AS 1x 2x 3x Vibration acceleration sensor only with Adaptor AC 630 VS 079 Vibration velocity sensor VS 080 Vibration velocity sensor IN 085 Displacement sens...

Page 58: ...ctive Note The 1st order is always measured 4 8 4 RECORD 4 8 4 1 RECORD Mode f n When the RECORD Mode f n is selected the following parameters must be set up 4 8 4 1 1 Minimum speed 1 9997 Hz 4 8 4 1...

Page 59: ...ant for both channels At the end of the setup confirm by pushing OK 4 8 4 2 RECORD Mode f t When the RECORD Mode f t is selected the following parameters must be set up 4 8 4 2 1 Measurement time T T...

Page 60: ...o be changed the entire balancing procedure must be aborted with the softkey RESET see chapter 7 2 3 4 9 1 Sensors AS 06x 07x Vibration acceleration sensor AS 01x 02x 03x Vibration acceleration sensor...

Page 61: ...sensors which are variable this linearisation is not active CCS Constant current supply 4 9 2 Unit Unit Signal detection g rms m s peak mm s pp peak peak m ips mils eu The signal detection must be the...

Page 62: ...preset to active When Repeat Balancing is performed the Adaptive Mode is automatically set inactive by the System 4 9 6 Mass Units g oz in eu cm The mass units are not defined in the Setup but are de...

Page 63: ...cked Corresponding to the flashing symbol the respective button must be pushed The functio nality of the respective button is displayed by changing from flashing to a permanent display This function i...

Page 64: ...n the PC card drive To guarentee the functionality the PC card formating has to be performed in the VIBROTEST 60 according to the instructions described in section 4 10 Flash ROM The Flash ROM contain...

Page 65: ...error report as instructed by the error code In the case of an actual error this report should be recorded and sent to the nearest Br el Kj r Vibro service station 4 10 6 Upgrade Upgrading of the VIBR...

Page 66: ...uipped with all modules Functions which have not been released are identified by the and are not active Note Always check before taking any measurements whether the free capacity on the PC card is suf...

Page 67: ...main menu Operational modes SELECT The item on the menu highlighted by the cursor will be selected INFO Switch to the information display menu SETUP Opens the menu System Setup REPORT Opens the Report...

Page 68: ...rement process is ended manually with STOP or automatically when fmax fmin is reached run up coast down AVERAGE On Off switch for the averaging function The measurement process for Overall BCU or Proc...

Page 69: ...y AVERAGE again 5 1 1 Listing function Displayed measurements can be temporarily stored in a Listing memory The maximum capacity of the Listing memory is 100 entries Deletes all data sets from memory...

Page 70: ...oftkey STOP The measured value is numbered 3 in the display and is stored in the Listing memory Store the measured values in the Listing memory to the PC card with the button STORE Expanding a Listing...

Page 71: ...o 3 Displaying measurements in the Listing memory After ending the measurement task button STOP the respective measurements in the Listing memory can be displayed using the cursor buttons Deleting mea...

Page 72: ...lashes to indicate that the measurement is in progress REC Activate the measurement recording vs speed or time The measurement process is ended manually with STOP or automatically when fmax fmin is re...

Page 73: ...ter Start of measurement Start the measurement process with START The VIBROTEST 60 stores the measurements The process ends automatically when fmin fmax is reached or can be manually with STOP Display...

Page 74: ...diagram Speed range Measurement range Unit Signal detection Scaling Speed at Cursor position X axis zoom is active Using the cursor buttons the cursor can be moved Y axis zoom is active Using the curs...

Page 75: ...Two cursor display types are available continuous line and dotted line With the continuous line cursor the measured value on the signal stored in the measurement memory is displayed With the dotted l...

Page 76: ...cording vs time The measurement process is ended manually with STOP or automatically when the set time has elapsed DEL RECDelete the entire measurement without confirmation DEL REC deletes only the va...

Page 77: ...e current measurements in the form of an amplitude diagram with DISPLAY The actual recorded values are displayed live With the function button EXIT you can switch back to a numeric display The VIBROTE...

Page 78: ...averages completed e g 1 0 1000 Hz Frequency range Depending on the settings in SETUP for the type and number of averages the VIBROTEST 60 proceeds in various different ways Defining the averaging fu...

Page 79: ...aging is defined in the SETUP Y axis Zoom is active Using the cursor buttons the cursor can be moved X axis Zoom is active Using the cursor buttons the cursor can be moved Switching between X and Y ax...

Page 80: ...ng the STOP button SPEC This softkey button switches the display back to the original spectrum The Cepstrum is not stored but is always newly cal culated from the displayed spectrum LOG LIN The Y axis...

Page 81: ...tivating frequency domain averaging in the VIBROTEST 60 This is active in the VIBROTEST 60 when In the SETUP the averaging function Frequency domain is configured the No of averages is set at 4 16 64...

Page 82: ...e VIBROTEST 60 when In the SETUP the averaging function Frequency domain is configured the No of averages is configured to Exponential Averaging is activated with the AVERAGE softkey Peak Hold The Pea...

Page 83: ...mplitude is 0 Depending on the settings in the spectrum Setup the fol lowing are not displayed The 1 st freq line with a Uniform window The 1 st and 2 nd freq lines with a Hanning window The 1 st 2 nd...

Page 84: ...s is ended START is dis played to indicate that the measurement has stopped When the averaging function is switched on softkey AVERAGE and the number of averages 4 16 64 is selected the measurement pr...

Page 85: ...yed at the upper right of the screen The softkey shows which function can be se lected CPM The X axis can be displayed in Hz or CPM units The selected units are instantly displayed and the softkey sho...

Page 86: ...displayed in either a linear or loga rithmic format The type of format selected can be seen displayed in the upper right of the window A softkey button in the command line shows which for mat can be s...

Page 87: ...of the cursor buttons or once activates the cursor display Then the cursor can be moved in the spectrum display using the cursor buttons further Y axis 10 dB Graduation lines X axis description Displ...

Page 88: ...es one data set from the Listing memory here data set No 3 AVERAGE On Off switch for the averaging function The measurement process remains active until STOP is pushed The display or updating of the m...

Page 89: ...e averaging function is switched on using the AVERAGE softkey The active averaging function in indicated by the inverse display of the text AVERAGE The averaging function remains active until the func...

Page 90: ...measured values automatic stop of the measurement process and display of the results The method Measurement vs Speed is normally used for run up and run down procedures Note Phase measurement is only...

Page 91: ...umber flashes to indicate that the measurement is in progress STOP The measurement is ended START is displayed to indicate that the measurement process has stopped Deletes the entire Listing memory wi...

Page 92: ...is in progress REC Store the measurement vs speed The measurement process is stopped either manually with STOP or automatically when the range fmax fmin is completed DEL RECDeletes the last measured v...

Page 93: ...t recording with REC This can also be activated after the measurement is started Start the measurement using START VIBROTEST 60 stores the measurement Measurement is stopped manually with STOP or auto...

Page 94: ...ing the cursor buttons the cursor can be moved Y axis zoom is active Using the cursor buttons the cursor can be moved Switching between the X and Y axis is done by pushing the softkeys 1 st order Disp...

Page 95: ...straight line cursor the measured values amplitude and phase stored in the measurement memory are displayed With the dotted line cursor the interpolated values amplitude and phase are displayed These...

Page 96: ...he measurement process is stopped either manually with STOP or automatically when the set time has elapsed DEL REC Deletes the last measured values without a confir mation request DEL REC deletes only...

Page 97: ...y the actual measurements in the form of an amplitude phase diagram with DISPLAY The actual recorded values will be displayed live With the function button EXIT you can switch back to a numeric displa...

Page 98: ...Unit Signal detection Phase Time at cursor position Zoom X axis is active Using the cursor buttons the cursor can be shifted Zoom Y axis is active Using the cursor buttons the cursor can be shifted Sw...

Page 99: ...ed line With a continuous line cursor the measured values Amplitude Phase saved in the memory are displayed With a dotted line cursor the interpolated values amplitude phase are displayed These values...

Page 100: ...o chapter 4 1 When entering the window again the last entered value will be displayed The entered value numeric remains until it is deleted with the softkey button CLEAR or until it is overwritten by...

Page 101: ...in window Operating mode Menu title Data Collector SELECT The item on the menu highlighted by the cursor will be selected INFO Switch to the information display menu SETUP Opens the menu System Setup...

Page 102: ...or more measurement Points The following softkeys are available for this SKIP is used for skipping over a single Point SKIPM is for skipping over all Points of a Machine All skipped Points are given t...

Page 103: ...n a mark to identify its processing status Measurement not yet executed Measurement is complete and data is stored Measurement cannot be executed X The Point has been skipped over C The Point was not...

Page 104: ...ement process is started STOP is dis played and the channel number flashes to indicate that the measurement is in progress COM Assign a Comment to the respective Point FFT Switch to the Spectrum menu...

Page 105: ...ed cannot be manually ended The required number of averages must first be acquired The spectrum window shows the progress of this measurement averaging process The display window is activated by the s...

Page 106: ...M Storing the measurement and stepping to the next measurement Point After a successful measurement there are two options with VIBROTEST 60 Push the softkey NEXT This stores the measurement and steps...

Page 107: ...mum of 100 Comments are available when they have been created using the PC software XMS With the softkey COM the list of Comments is displayed Only one Comment can be allocated to the current measure...

Page 108: ...he user must specify two measuring planes 1 and 2 and two correction planes A andB After the initial unbalance run two separate test runs A and B are necessary After test run B the correction weights...

Page 109: ...anes two vibration sensors are required This means that measurement must always be simultaneously done with two sensors Unbalance correction types Unbalance correction with VIBROTEST 60 can be done in...

Page 110: ...ancing procedure Inactive With this setting the influence co efficients determined by the VIBROTEST 60 during the initial run and test run are not changed when executing the check run Advice In the 1...

Page 111: ...correction weights Automatic calculation of additional correction weights for trim balancing of the rotor Repeat Balancing VIBROTEST 60 offers the option once the rotor is balanced to store the balanc...

Page 112: ...layed correction plane Number of planes Display Polar correction The respective measuring run is selected using the cursor buttons 7 2 2 Main menu with all measuring runs Channel no Meas plane Initial...

Page 113: ...tion In the test weight entry menu The selected test weight is added to the existing test weight CR IR A new balancing procedure is started after the Check run The result of the Check run is used for...

Page 114: ...ncing procedure can be interrupted at any time to use another function of the instrument or to switch the instrument off without losing data The information in the Flash memory from the balancing proc...

Page 115: ...t procedure must be deleted with RESET Only then can the required entries be made in the Balancing Setup Continue with last balancing procedure The last balancing procedure can be continued with SELEC...

Page 116: ...ancing Switch to plane B using the function button 1 2 Select the correction type for plane B 5 Select the correction type and the Adaptive Mode The correction type can be changed during the balancing...

Page 117: ...un in the main menu Start measurement with START 2 Start Initial run measurement The VIBROTEST 60 starts measurement with START Attach the refe rence pickup Attach the vibration sensor at measuring pl...

Page 118: ...variations in the relation between reference mark and reference pickup will cause angle errors The measurement can be repeated with START Stop the rotor 5 End the Initial run The Initial run can be r...

Page 119: ...n or when repeating the test run Attach the test weight to the rotor e g 100 g at 0 Start the measurement with START 4 Start the Test meas urement The VIBROTEST 60 starts measurement with START The te...

Page 120: ...tion weights With ADD Attach the additional test weight to the rotor With SUBST Remove the existing test weight 100 g and add the new test weight 150 g to the rotor Store the measurement with NO 8 Sto...

Page 121: ...e the displayed correction weight from Add weight to Remove weight or vice versa EDIT Change the magni tude and location of the correction weight It is recommended to use the calculated correction wei...

Page 122: ...n weight SELECT The Check run can be repeated with SELECT When the Check run is repeated the VIBROTEST 60 assumes that the additional correction has been done at the rotor CR IR The Check run will be...

Page 123: ...mbining With ADD all weights correction test and additional weights attached to the rotor during the balancing procedure can be combined and replaced by a single correction weight The VIBROTEST 60 cal...

Page 124: ...the VIBROTEST 60 See section 8 2 Check Run A 1 Select the Check run with SELECT 2 Select Check run in the main menu Attach the refe rence pickup Attach the vibration sensor at measuring plane 1 Start...

Page 125: ...ROTEST 60 calculates the correction weight The following are displayed in the main menu Calculated correction weight CMA Result of the Check run CR Speed of the Check run SELECT The Check run can be r...

Page 126: ...unbalance measurement The measurement is executed by VIBROTEST 60 in the two planes with START Attach the refe rence pickup Attach the vibration sensors in measuring planes 1 and 2 Bring the rotor to...

Page 127: ...fter the first values appear Store the measurements with OK 4 Store Initial meas urement The measurements for both planes is stored with OK With storage the trigger level is determined in the VIBROTES...

Page 128: ...t weight polarity Add weight Remove weight The polarity can be changed with softkey in the Check run Attach the test weight to the rotor in plane A e g 80 g at location 1 Start the measurement with ST...

Page 129: ...p the rotor With YES Remove the test weight from the rotor Test Run B A B 1 2 Select Test run B with SELECT 1 Select test run B in the main menu Open the test weight B entry menu with EDIT 2 Change te...

Page 130: ...ht B will remain and must be taken into consideration in the correction weights calculation Stop the rotor With YES Remove test weight B from the rotor Switch to the display of the corrections for pla...

Page 131: ...rection weights from Add weight to Remove weight or vice versa EDIT Change the magni tudes and locations of the correction weights It is recommended that you attach the calculated correction weights t...

Page 132: ...eas urement With OK the measurements from both planes are stored and the additional correction weights are calculated Stop the rotor 6 Calculate residual unbalance The VIBROTEST 60 calculates the addi...

Page 133: ...ne A allowing for test weights that remain on the rotor The prognosis of residual unbalance forboth planes The prognosis value for both planes is identical The following are displayed in the main menu...

Page 134: ...013 4 46ff VIBROTEST 60 dialogue VIBROTEST 60 steps Activity at Rotor Check Run A B 1 2 A 1 2 Select Check run with SELECT 1 Select Check run in the main menu The remaining operational steps correspon...

Page 135: ...he previous menu is dis played If a new name is to be given to the Report it is entered after pushing EDIT DELETE The displayed name is deleted for entry of a new name EDIT Enter a Report name Using t...

Page 136: ...dual characters are selected using the cursor buttons Menu title Available characters Report name OK The current measured data will be stored under the displayed Report name After storing the program...

Page 137: ...ort name Date of storage Free storage capacity Type of measurement Time of storage SELECT Select the highlighted Report from the list INFO Switch to the Report information menu DELETE Delete the selec...

Page 138: ...Storing and displaying measurements Reports on the PC card VIBROTEST 60 Page 134 of 168 C102 853 002 VTEST60E July 2013 4 46ff...

Page 139: ...ment Speed Unit Signal detection Unit Unit START The measurement is started STOP is displayed and the channel number flashes to indicate that the measurement is in progress STOP The measurement is end...

Page 140: ...O softkey Information about the selected Report is displayed in the Report Info menu Report name Command line Type of signal source Measurement type Start of measurement Date and time Data storage Dat...

Page 141: ...8 3 1 In Analyser mode The required memory space for a Report can be read in Report Info Dialogue 8 3 2 In Data collector mode With the loading of Routes to a PC card the necessary memory space for d...

Page 142: ...sired function With the softkey SELECT the desired function is selected Independent of the position of the highlight bar pushing the softkey INFO will produce the following menu Version number Fabrica...

Page 143: ...yed Push the softkey SETUP Menu System Setup is displayed Move the bar cursor to the line Language Push the softkey EDIT Menu Dialogue language is displayed Move the bar cursor to the desired language...

Page 144: ...highlighted by the cursor bar is the target for switchover to the next selection or entry menu The meanings and functions of the parameters in the menu System Setup are described in chapter 4 1 Note...

Page 145: ...stem error message In such cases the following menu will be displayed System error message Reboot the VIBROTEST 60 Switch the instrument off and then on again Error code The only solution is to end op...

Page 146: ...sed These PC cards shall be ONLY formated in the VIBROTEST 60 and NOT in the PC card drive To guarentee the functionality the PC card formating has to be performed in the VIBROTEST 60 according to the...

Page 147: ...at possibilities are there for using blocked PC cards or for resetting them again There are four options 1 If there is no PC or PC card drive available Access to the data on the blocked card is not po...

Page 148: ...is you have to either follow the procedure described above by switching to the DOS mode and delete the VTCRD directory from the PC card or use the VIBROTEST 60 internal Service function Formatting 4 X...

Page 149: ...tion Opening the battery set housing may lead to damage The use of primary cells is not permitted The battery set of the VIBROTEST 60 must not remain in the instrument during transport by aircraft The...

Page 150: ...it is unlocked Then the battery pack can be pulled out When re inserting the battery pack make sure that it is correctly locked into position You will hear a click when it is corrrectly locked 11 1 3...

Page 151: ...charge These conditions are displayed by the LEDs Permanently lit GREEN Power to the charger unit is on YELLOW 1 Battery set in the VIBROTEST 60 is charging YELLOW 2 Battery set in the charger unit i...

Page 152: ...the instrument and the power charger unit should be removed and stored at the appropriate temperature 11 1 6 Disposal Caution Defective batteries or batteries which can no longer be used are not hous...

Page 153: ...04 08 EG and the low voltage guideline 2006 95 EG The C checkmark of the Australian Authority for conformity ACMA to their EMC requirements Safety EN 61010 1 2002 08 Safety requirements for electrical...

Page 154: ...nded construction Material ABS Weight with battery set approx 0 9 kg Operating time with fully charged battery set typically 2 x 3 hours Display Type Text and graphics LCD Resolution 160 x 140 Pixel W...

Page 155: ...onsumption 15 VA Ambient temperatures Operation 0 40 C Storage 10 60 C Connections Cold instrument plug connection According to EN 60320 sheet C14 Protection class IP 22 Weight 0 3 kg Battery set char...

Page 156: ...n Overall vibrations Input 1 2 Sensor variable Input resistance 60 k Signal voltage 30 V pp Frequency band 1 Hz 20 kHz Signal detection peak peak peak rms pc ppc Accuracy 2 of measured value The use o...

Page 157: ...acy Voltage 0 3 V Current 0 5 mA Spectra Freq range 1 Hz 20 Hz 1 Hz 20 kHz No of Lines 100 200 400 6400 12800 Window types Flat top Hanning Uniform Speed Signal voltage 0 5 30 Vpp Input frequency rang...

Page 158: ...et AC 602 Battery set type AC 602 Extent of delivery 2 off Battery data 6 V 2 1 Ah 12 3 Sensor connections The following sensors can be connected AS 06x 07x VS 079 VS 080 IN 085 only with the addition...

Page 159: ...ocess value I When connecting an AS 065 CCS sensor the power supply and the signal voltage are both carried through the contact 2s Contact layout Connector 2 not for Process values 2 Contact Function...

Page 160: ...ith the piezo electric compression principle Inside the sensor a spring mass damping system is formed by a piezo ceramic disk and an internal sensor mass When introducing vibrations to this system the...

Page 161: ...frequency response of the transmission factor Overload capacity Continuous 500 g Shock 5000 g all directions equiv to a fall from 1 5 m on concrete without damage Operating temperature range 50 C 120...

Page 162: ...T Insulation resistance Housing supply voltage 0V 20 M Dielectric strength of insulation 500 VRMS 3 min Interference voltage suppression between housing and 0 V frequency dependent 0 5 kHz 110 dB 1 kH...

Page 163: ...cceleration sensor should be at least ten times lower than the technically vibrating weight of the object being meaured and to which the sensor is attached Attachment options There are three options f...

Page 164: ...hreaded hole 12 mm deep Apply a thin film of silicone grease to the mounting surface to prevent contact resonance Screw the stud into the mounting surface in accordance with fig 3 and secure it e g wi...

Page 165: ...ected directly to the VIBROTEST 60 vibration measuring instrument 12 5 2 Operating Principle The reference pickup operates according to the photoelectrical principle It transmits a light beam to the r...

Page 166: ...l installation optimum operating distance and a highly reflective reference mark shiny shaft reflecting foil approx 16 5 V Max output level with vertical installation optimum operating distance and a...

Page 167: ...er should be clearly distinguishable from the surrounding surface It can be either light absorbing or light reflecting The colour is of no importance The mark may be attached to the circumference or t...

Page 168: ...eference pick up should be at a distance between 30 and 40 mm from the reference mark The signal from the reference pick up depends on the width and reflecting power of the reference mark and its dist...

Page 169: ...nder b d Foreign scattered light from artificial light sources might cause multiple trig gerin e With correct conditions the signal level in the area of the reference mark can be clearly distinguished...

Page 170: ...40 mm The diode might reach saturation if the distance is 20 mm The optimum angle of the reference pickup vertical to the axis of shaft rotation should be 0 15 see Figure 8 Right angled installation...

Page 171: ...Appending EG conformance statements _________________________________________________________________________________ VTEST60E July 2013 V4 46ff C102 853 002 Page 167 of 168 13 Appending EG conformanc...

Page 172: ...Anhang EG Konformit ts Erkl rungen VIBROTEST 60 Page 168 of 168 C102 853 002 VTEST60E July 2013 4 46ff...

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Brüel & Kjær Vibro VIBROTEST 60, Technical Documentation Manual

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