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ADASH Ltd.

Adash 4300 – VA3Pro

For further technical and contact information visit www.adash.com, email: [email protected]

Channel, A channel number, B channel number

1, .., 3 Selection of the input signal source channel

Unit (name)

The selection of the required unit to be displayed.

Detect Type

RMS, Scaled 0-P, Scaled P-P, True 0-P, True P-P, AVG, Crest, Kurtosis

The detected value property ( P means Peak).
Scaled 0-P

it is equal 1.414 * RMS

True 0-P

it is true 0-peak value in the waveform (the highest value captured in time signal).

Scaled P-P

it is equal 2.828 * RMS

True P-P

it is true peak-peak value in the waveform (the difference between highest positive and highest

negative value in signal)

AVG

it is average value of all samples (total sum of absolute values divided by number of samples)

Crest

it is equal True 0-P/ RMS

Kurtosis

standard statistical formula for Kurtosis

Fmin [Hz] (value)

The low cut-off frequency of band pass filter, which is applied to the signal before further

processing (evaluation). The none value (available only when no integration is applied) means, that only input
DSP filter is applied (approximately 0.6 Hz).

Fmax [Hz] (value)

The high cut-off frequency of band pass filter, which is applied to the signal before

further processing (evaluation). The information about sampling frequency (fs=) is displayed under this item.

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).

ACMT FS [Hz] (value)

The sampling frequency for ACMT evaluation. See the ACMT chapter for better

understanding.

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)

Averaging

linear, peak hold (for spectra)

linear, maximum, minimum, median (for static values)

Avg (value)

averaging number

How the averaging is used depends on the type of trigger:

freerun

when the measurement is started, the signal needed for averaging is taken continuously

external

when the external trigger comes, the signal 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)

Содержание 4300 VA3Pro

Страница 1: ...Adash 4300 VA3Pro Ver 1 08 September 22 2016 User Manual ...

Страница 2: ...Analyzers Data Processing 11 How to work with the Menu 12 Special buttons 12 Item selection 12 User defined values 13 Input channels 14 IN1 input 14 IN2 input 14 TRIG input 15 Standard cable specifications 15 Main menu 16 Trigger 16 Sensors 17 AC sensors 18 DC sensors 19 Tacho 19 Global 20 Date and Time 21 Update 21 Export Logs 21 Screenshot 22 Update of the unit firmware 23 Info 24 The Main scree...

Страница 3: ... 35 New Meas 35 New Meas Basic 35 New Meas Advanced 36 Next Meas functions 39 Copy Meas 39 Edit Meas 39 Meas info 39 Delete Meas 39 Functions for Set 39 Save data 39 View Trend View Actual 39 Graph Max Min 39 Graph Properties 40 Scale 40 View orbit 40 Axis X Axis Y 40 Detect Type 40 Graph Lines 40 The Analyzer buttons description 40 The Start and Start S button 40 The Shift button 41 Band fmin Hz ...

Страница 4: ...s 52 Dual plane balancing 52 RUN 1 screen 52 RUN 2 with trial mass on Plane 1 53 RUN 2 with trial mass on Plane 2 53 RUN 2 Result screen 53 The RUN 3 screen 53 Trim Screens 54 Balancing Errors 54 The effect of trial weight is low 54 Recorder 55 Record length 55 First screen 55 New Project 55 Copy Project 55 Rename Project 55 Delete Project 55 Clear Project Data 56 Project screen 56 Record Settings...

Страница 5: ...ccording to machine type nominal power or shaft height 65 ISO Groups 1 4 classifications define the following types of machinery 65 Classification according to foundation 65 Evaluation ranges 65 Classification of vibration values for machines groups 1 and 3 66 Classification of vibration values for machines groups 2 and 4 66 Appendix C ACMT bearing and gearbox measurement 67 Applications 67 Descri...

Страница 6: ...d features are added quite often Such additions require changes in the manual and those changes are very time consuming for us That is why we do not change all the pictures in the manual with each new version We have not changed some pictures in the manual although they have been changed in the instrument already This has only been done on places where such pictures have no consequence on the new ...

Страница 7: ...t without ICP power is required ICP power must be switched off You can damage the external signal source which is not protected against ICP powering Use only original cables designed for connection with the sensor If you are unsure contact your distributor or the manufacturer A long push and hold of the POWER button switches the instrument off incorrectly Data could be lost Ignoring any recommenda...

Страница 8: ...tor on instrument screen doesn t correctly display the charge level during the charging The indicator checks in this case the voltage from charger not from battery Always disconnect the charger to check the charge level Normally full charging takes 5 hours It takes longer time when unit is switched on during charging Never do short circuit the charger connectors Recommended charging temperature is...

Страница 9: ...300 VA3 Pro instrument can be configured according to your requirements by choosing optional modes e g analyzer route balancer Optional modules can be purchased also additionally and downloaded to the instrument without the need of sending it back to the factory At the moment there are 8 modes available The modes FASIT Expert system Stroboscope and Meter are included in every unit The modes Analyz...

Страница 10: ...r the connection The VA3Pro unit should be switched off or on the main menu screen When the VA3 is connected the new device new flash drive appears on the computer The name is VA3_DISC If this operation fails switch off the unit and try to connect it again Always use the Safely remove hardware function before disconnecting the VA3Pro unit from the PC The va3 folder case sensitive is automatically ...

Страница 11: ...e signal and velocity spectrum from one sensor then the analyzers take the overall first then the second overall with the integration after that the time signal and finally the spectrum The time which is required for all 4 readings is the sum of all 4 individual times The VA3Pro instrument includes high speed chips and it uses a much more advanced concept There is one virtual analyzer created in t...

Страница 12: ...rocess The description of their functions is displayed at the bottom of the screen directly above them Example F1 means Back and F3 means OK Item selection Before taking the readings you have to define several parameters They can be set in the Menu Item The operation procedure is the same for all menu items We will describe it with an example the sensor properties definition Press the Menu F2 on t...

Страница 13: ...lection 1 10 100 In most cases you would 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 press OK The next window appears and the buttons gets the numerical values entry functions If you need to Delete value or BackSpace use the button F1 and then press the button 7 or 9 Use the buttons and enter required value e g 45 If ...

Страница 14: ...ually tacho speed probe All inputs have several pins IN2 allows the user to connect a tri axial sensor The AC inputs allow the measurement of a maximum voltage peak of 12V The DC inputs allow the measurement of a maximum voltage peak of 24V IN1 input 1 CH1 AC DC INPUT 2 GROUND 3 NOT USED 4 SHIELDING 5 NOT USED 6 NOT USED 7 NOT USED IN2 input 1 CH2 AC DC INPUT 2 GROUND 3 CH1 AC DC INPUT 4 SHIELDING...

Страница 15: ... power supply 5 TRIG INPUT for tacho signal Standard cable specifications Sensor signal pin number 1 Ground pin number 2 When you use the standard cable In the IN1 socket the signal is measured on CH1 In the IN2 socket the signal is measured on CH2 If you want to use the tri axial sensor then you should use the IN2 socket pins 3 1 5 ground pin 2 You need a special cable for this purpose ...

Страница 16: ...up Mode Defines how often the data will be taken in the runup mode asap The next measurement is taken immediately after previous measurement without any delay manual The user starts next measurement manually speed The next measurement is taken when the speed is significantly different from the previous measurement speed The user defines in Speed change item what it is significant change time All m...

Страница 17: ...ains one pulse during one rotation of the shaft It can also be understood as a series of single external pulses The measurement process begins when the external signal a voltage level higher than the Tacho Trig Level defined in tacho sensor appears on the trigger input the same as an external item Speed measurement time signal averaging aps and order analysis are only enabled when the tacho is set...

Страница 18: ...etting of all DC channels Tacho setting of tacho channel properties Settling Prolongation if you need longer time for sensor settling use this item AC sensors AC alternate current sensors are used for signals e g vibrations ICP on off selection of required setting accordingly to the sensor type Sensitivity mV unit usually 1 10 100 user Unit the unit selected from the list or the user unit Position...

Страница 19: ...r properties menu appears Sensitivity mV unit sensitivity value Offset mV offset value Unit the unit selected from the list or the 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 the tacho channel The signal contains one or more...

Страница 20: ... is not available for more then one pulse Global The parameters which have effect on all or many functions are understood as Global parameters Press the Menu on the main screen and select Global Press the OK button Route Autosave off on automatically saves the data after reading is taken in route mode Check Sensors yes nochecks the difference of sensor settings point in route vs instrument when th...

Страница 21: ...t menu items will appear in menus Power off minutes time period for switching off Backgroud Color black white background color of graphs Date and Time Define the date and time Update The list of update files appears files which were saved to VA3 Select required version and press OK F3 Export Logs It is the tool for firmware development You can create the log file which is saved in VA3_DISC va3 log...

Страница 22: ...Adash 4300 VA3Pro For further technical and contact information visit www adash com email info adash cz 22 Screenshot Only if enabled on Global The screenshot image will be saved to disc VA3_DISC va3 screenshots ...

Страница 23: ...d save it to your computer Connect the instrument to the computer Copy the update file from the computer to the VA3_DISC va3 updates Use Safely remove hardware function and disconnect the instrument from the computer Switch on the instrument to the main screen and display main menu Select the Update item and push OK Select the required update file from the list more version files can be saved in t...

Страница 24: ...ADASH Ltd Adash 4300 VA3Pro For further technical and contact information visit www adash com email info adash cz 24 Info If you press Info F1 on the main screen the system information will be displayed ...

Страница 25: ... 4300 VA3Pro For further technical and contact information visit www adash com email info adash cz 25 The Main screen After switching the instrument on the Main screen appears You can select required mode of the unit ...

Страница 26: ...in the list The highest amplitude speed is on the top of list The spectrum is displayed also Select the correct value and press OK If you want to leave the speed undefined then select unknown speed If no value in the list is correct then select manual entry and enter the speed manually The speed detection is available only when vibration sensor is used for point reading In other cases the warning ...

Страница 27: ... in green C range is displayed in orange D range is displayed in red Default Adash limit values R13 F13 R24 F24 limit values according to ISO 10 816 Sensor Settings In the Sensors item set up the parameters of the chosen sensor You need to use the accelerometer to display all possible measurements If you use a velocity sensor the acceleration values will not be measured If you use a proximity sens...

Страница 28: ...detected from the frequency spectrum Manual the speed is entered manually by the user Tacho the speed is detected by the tacho Alarms The standards used for stating the limit values Measurement screens You can switch between the measurement screens with the left and right arrow buttons Overall RMS and Peak 0 P values Measurement of Overall and Peak value in the following frequency bands velocity 1...

Страница 29: ...ge 0 5 kHz 25 6 kHz in g The screen shows the actual measured time signal and the Demod gENV value Vibration in frequency ranges gearboxes bearings Measurement of RMS vibration values in the ranges 0 5 kHz 1 5 kHz in g 1 5 kHz 5 kHz in g 5 kHz 25 6 kHz in g It also displays the Overall RMS g value in the range 0 5 kHz 25 6 kHz Displacement values The values of displacement in the range 2 100 Hz ar...

Страница 30: ...il info adash cz 30 Temperature The measured temperature is displayed in degrees Celsius and degrees Fahrenheit The values are coloured according to the measured temperature The ranges of colours are as follows less than 30 C green 30 45 C yellow 45 60 C orange 60 7 5 C red more than 75 C dark red ...

Страница 31: ...up the parameters of the chosen sensor FASIT uses the measurement of acceleration or velocity from one channel If you will use a velocity sensor the bearing condition is not detected For bearing condition detection the acceleration measurement is necessary Units The displayed units can be set up under the Global item Set up the unit of speed Hz RPM CPS CPM in the Speed Unit item The vibration valu...

Страница 32: ...veral graphs and the traffic light colours are used Two main graphs show overall machine condition left vertical bar and bearing condition right vertical bar Next to the bearing condition bar there is a bar showing the temperature measurement The range of the temperature bar is 100 C 212 F The bars show the severity of the following faults Overall machine condition see Appendix C Standards for vib...

Страница 33: ...movement oscillation and vibrations Imagine a rotating disc with one hole When the flashes of light are synchronized with the disc rotation speed then there is just one flash made during one rotation It means that the disc is lit up when the hole is always in the same position It is the principle of the illusion of frozen movement Press the Menu and select Strobo Settings Define whether the tacho ...

Страница 34: ...you want to take 4 readings together overall acceleration overall velocity velocity time waveform and velocity spectrum You prepare the Set which includes these 4 required readings The definition of Set is saved in the Analyzer memory You can save many various Sets which can contain your often used sets of readings Then you select one Set and run it The taking off all readings included in the set ...

Страница 35: ...name Set Enables to rename the set Delete Set Enables to delete the set Clear Set Data Deletes all readings saved in the Set Notes See the Route chapter for details Readings Measurements Select one set from Set list on the Analyzer main screen and press OK Press the Menu button F2 New Meas New Meas Basic List of predefined templates appears You can select one of them ...

Страница 36: ...tion visit www adash com email info adash cz 36 New Meas Advanced The menu for definition of reading appears The content of the menu changes according to the measurement Type selection first row See next images For detailed description of parameters see the VA4Pro manual ...

Страница 37: ...ADASH Ltd Adash 4300 VA3Pro For further technical and contact information visit www adash com email info adash cz 37 ...

Страница 38: ...Hz value The high cut off frequency of band pass filter which is applied to the signal before further processing evaluation The information about sampling frequency fs is displayed under this item 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 appli...

Страница 39: ...le the speed is 25 Hz The resolution is speed 4 i e 6 25 Hz 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 the speed frequency from t...

Страница 40: ... view AB two input time signals from channels A and B XY two time signals transferred to X and Y axis Applied for orbit Axis X Axis Y Axis X lin log Axis Y lin log dB Applied for spectrum g demod spectrum Detect Type Detect Type RMS 0 P P P Y axis type Applied for spectrum g demod spectrum orders Graph Lines Graph Lines continuous discrete the spectrum can be drawn as line through the tops of line...

Страница 41: ... and right arrow buttons to move with cursor Zoom the arrow buttons make zoom in or zoom out functions on X or Y axis Move when the zoom in is applied then you can move with the signal by the arrow buttons Trend when the trend is displayed the left and right arrow buttons change the time Band fmin Hz HP filtering Almost in all measurements you should define the HP filtering of input signal You set...

Страница 42: ...e structure of the tree has changed This is because the VA3 Pro strictly requires a tree with the following structure Tree_Name Machine Measuring Point Data Cell If there are more items in the DDS tree in a path between these 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 chara...

Страница 43: ... arrow button to return to the previous level in the tree When you press the Start button on the screen with the list of points the graphs are displayed with the No Data message and the measurement begins If the required sensor defined in the route is not compatible with the sensor connected to the channel input Sensors properties the instrument displays a warning If this happens change the sensor...

Страница 44: ...f readings saved in the instrument appears data saved in the instrument Select the required route Press the Store button The data are transferred and saved to the database Reference values You can download reference values from DDS to VA4Pro unit for spectrum and overall measurements These values are displayed together with measured values Reference spectrum is displayed together with measured spe...

Страница 45: ...or text files edit Select one note from the list and press Ok If you want to enter the text then select user text item You can also edit the note which was selected from the predefined list Then press Ok After pressing Ok you return back to the list of notes The new note appears in the list Use the Menu Edit Note to edit the selected note from the list Use Menu Delete Note to remove selected note ...

Страница 46: ... detected before the measurement itself see the Speed Detection chapter Detected speed is valid for whole machine Unless you close the machine item the same speed value is valid and no other detection takes place Measured Speed If the speed is measured by tacho probe it is saved always with data regardless the fact if there were already defined by one of the previous ways speed entered in device o...

Страница 47: ...pical scheme looks like the following list of steps Create the project Enter the parameters of the project RUN 1 Initial measurement of the vibration amplitude and phase is taken at the required number of points Place a trial mass on the plane Repeat this step on the second plane if required RUN 2 Trial mass response measurement is taken Repeat this step on the second plane if required Place final...

Страница 48: ... for the sensor mounted on point A Point B 1 3 the number of the AC input which will be used for the sensor mounted on point B Note The point markings A and B have only a symbolic sense They have no relation to the balancing planes 1 and 2 and to the balancing computational procedure You can mark any measuring point as A and the second as B Remove Trial yes no the trial masses can be left on the r...

Страница 49: ...commended trial can be computed Enter Trial For trial runs only Enter the value of the trial mass Enter Values You can manually enter the values instead of measuring them balancing calculator function Enter DF For trial runs only you can enter the dynamic factor of the rotor The trial run measurement is not needed in this case The value of the dynamic factor is known from previous measurements on ...

Страница 50: ...epresents removing of mass for example dismounting of old balancing mass The recommended weight is displayed if the Rotor settings parameters are entered Press the Start button and reading will be taken or enter the values manually After the RUN2 reading the dynamic factor is displayed The DFA and DFP amplitude and phase values are the response values of standardized trial mass mm sRMS 1kg regardl...

Страница 51: ...same as the direction of rotation E g 57 degrees means from the trial mass position in the direction of rotation Minus degrees means against the direction of rotation If the number of blades was defined the final mass is divided between the two nearest blades to the exact balancing angle The angle position is always measured from the position of the trial mass The RUN 3 screen When the mass or mas...

Страница 52: ...eens described before The recommended trim mass is displayed After mounting the trim mass press the right arrow button The TRIM 1 screen appears It is the same screen as the RUN 3 screen Run the measurement or enter the values Then the new results effect and quality value are displayed Press the right arrow and continue with TRIM 2 in same way as with TRIM 1 You can use as many trims as you want H...

Страница 53: ...lane 1 Press the right arrow button The trial mass reminder message appears Remove trial mass if the Remove Trial option is set to yes Do not remove trial mass if the Remove Trial option is set to no RUN 2 with trial mass on Plane 2 Now we have to take the readings with the trial mass on Plane 2 The screen for those measurement is similar to the previous screen Press the right arrow button The sam...

Страница 54: ...in single plane balancing Balancing Errors Balancing errors and warnings can occur during the job The effect of trial weight is low This message informs you that the effect of the trial mass is low The percentage value is derived from the ratio amplitude of vector change amplitude of RUN 1 vector A warning is displayed when the change is less than 20 but bigger than 1 You can continue with balanci...

Страница 55: ...ing It enables you to record all the channels 3 AC channels 3 DC channels and a tacho channel to the memory of the VA3 unit simultaneously The sampling frequency is from 64 Hz to 65536 Hz The record is saved in the memory and you can analyze it later according to your requirements Record length The length of the record is limited to 1000 MB of data which is 81 minutes of record from 1 AC channel w...

Страница 56: ...hannel Length You can set up the required record length You can enter the required length in minutes or seconds If you select the option Manually stopped the record will be stopped when you press the Stop button or when the available memory is full The available space is displayed below the available space in memory MB and possible record length hh mm ss If the entered length exceeds the 1000 MB l...

Страница 57: ... the Start button F3 The recording stops when one of the following states appears the set up time is over you press the Stop button the 1000 MB memory limit is reached there is no free space in the memory When the recording is on the currently measured value is displayed next to the corresponding channel or there is information about ICP error and overload There is the preview of the record of one...

Страница 58: ...the A4410 Virtual Unit application The A4410 Virtual Unit application can be downloaded from the Adash website for free http www adash com downloads_software_adash php Download the Virtual Unit application to the PC and you can analyze the signal in for example Analyzer mode For more information see the A4400 VA4 manual which describes the functions of the Virtual Unit ...

Страница 59: ...ment 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 Ok button at any suitable moment to make a n...

Страница 60: ...easurement creates new item in this list The date and time of measurement is displayed Select one trend from the list and press OK The trend is loaded and displayed Use the Shift button to change arrow buttons meaning Set the arrow buttons to trend Use left and right arrow buttons to change cursor position Deleting trends When trend list is displayed use Delete button to delete selected trend ...

Страница 61: ...egration 2D Processing axis rotation according sensor mounting Accuracy 0 5 ICP drive 18 V 3 8 mA High pass filter 1Hz 12800 Hz user definition Low pass filter 25Hz 25600 Hz user definition Connector Binder 712 series Tacho Channel Number 1 independent tacho input Speed range 0 5 Hz 1000 Hz Input impedance 55 kOhm Input type voltage Input range 30 V Accuracy 0 5 Trigger level 0 1 V 9 9 V user defi...

Страница 62: ...rm samples 256 65 536 Waveform ACMT length max 1024 sec Spectrum ranges 25 Hz 25 600 Hz Spectrum lines 100 25 600 Spectrum units RMS 0 P and P P Windows Hanning Order analysis parameters 1 2 10th order Averaging 1 255 Overlap yes Stroboscope Frequency Range 1 Hz 111 Hz 60 RPM 6660 RPM Stroboscope Frequency User defined Externally triggered Other Accessories Flashlight Yes Temperature Measurement Y...

Страница 63: ...ind three particular areas in the graphs below The GOOD condition is the area up to the yellow line which means operation without restriction The area above the yellow line and under the red line is the ALERT condition It is possible to operate the machine but is has to be checked more frequently and it is necessary to determine the source of the worse condition and plan the repair for instance ch...

Страница 64: ... RMS value in 10 1000Hz frequency range 0 0 1 0 2 0 3 0 4 0 5 0 6 0 0 500 1000 1500 2000 2500 3000 3500 4000 speed RPM Vel 10 1000Hz mm s RMS 0 0 04 0 08 0 12 0 16 0 2 0 24 Adash Limit Values of Bearing Vibrations The roller bearing limits are used for acceleration RMS value in 500 25600Hz frequency range 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 0 1000 2000 3000 4000 5000 6000 7000 8000 speed RPM Acc g RMS...

Страница 65: ...ater than 315 mm These machines are normally equipped with sleeve bearings Group 2 Medium size machines rated power from 15 kW to 300 kW and electrical machines with a shaft height between 160 and 315 mm These machines are normally equipped with rolling element bearings Group 3 Pumps with multi vane impeller and with separate driver with rated power above 15 kW Group 4 Pumps with multi vane impell...

Страница 66: ...oundation class RMS velocity values border zone mm s in s Rigid R13 2 3 0 09 A B 4 5 0 18 B C 7 1 0 28 C D Flexible F13 3 5 0 14 A B 7 1 0 28 B C 11 0 0 43 C D Classification of vibration values for machines groups 2 and 4 Foundation class RMS velocity values border zone mm s in s Rigid R24 1 4 0 06 A B 2 8 0 11 B C 4 5 0 18 C D Flexible F24 2 3 0 09 A B 4 5 0 18 B C 7 1 0 28 C D ...

Страница 67: ...urement which means the measured signal will be very short e g 100ms When the time interval between pulses is in seconds we have a low chance to catch it And we have no chance to have more pulses in one time signal 2 We need a 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 the high frequencies pulse...

Страница 68: ...lly small amplitude They are often modulated by speed frequency We use standard measurement and result is in the next picture You see only speed sine wave and none or small pulses which are filtered by anti aliasing The standard ACMT is used in the picture below 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 am...

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