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M570 series oscilloscope User's Guide Version 1.02

1. If the LED color 1s green the device is configured and there is no communication with a computer in this moment orange the device communicates with a computer red device is powered but not configured 3 2 Basic terms This Chapter explains the basic terms used throughout the text Click Position the mouse cursor over the chosen object Then press and release the left mouse button Double Click Two successive clicks Drag Position the mouse cursor over the object you want to move Then press the left mouse button and hold it down The chosen object moves with the mouse cursor After releasing the mouse button the object moves to the new location Enter the value into the edit box Click the edit box Use the keyboard to enter the desired value and confirm pressing Enter Insert the value into the edit box Click the edit box Use the keyboard to enter the desired value Set the value using the scroll bar It is possible to change a value by simply dragging the scroll bar slider Clicking the arrows of the scroll bar increases or decreases the value by minimal steps Clicking in between the slider and the arrows changes the value by larger steps Select the value from the combo box Open the list of all possible values of the edit box by clicking it Then set the desired value by clicking it _15 M570 series oscilloscope User s Guide 4 Main window The main window opens after
2. Frequency frequency Period period DC voltage DC voltage Vrms effective voltage Vavg average voltage Crest factor crest factor If the module fails to detect periodicity of the waveform N A is displayed in the place of Frequency Period DC voltage Vrms Vavg Crest factor High pulse width high pulse width Low pulse width low pulse width Duty factor duty factor High pulse level level of the high pulse Low pulse level level of the low pulse High overshoot overshoot of the leading edge Low overshoot overshoot of the trailing edge Rise time length of the leading edge Fall time length of the trailing edge If the module fails to detect periodicity or rectangular shape of the waveform N A is displayed in the place of High pulse width Low pulse width Duty 1 M570 series oscilloscope User s Guide factor High pulse level Low pulse level High overshoot Low overshoot Rise time Fall time Time between 10 and 90 of the voltage between low and high pulse is considered to be length of the edge Click cross at the left side of the parameter name to hide it It is possible to display following statistics for each parameter now current value of the parameter min
3. 6 11 Waveform parameters function Wp ss 42 Gil AE Ai MS o 44 7 Ppentormance characteris HES ea ai 45 Tal Vertical deste clon Sy SlCIN nicest ta iaa 45 DOS CPAS Rd Sa EE ed ae ee Pan te et mar LE 45 A DATA AC QUISO MES SIMS Se nn De cn Den 45 1 4 Probe COMPENSAtION generator sn nn en Msn in ends 46 A Seog fan EER EE RE aval EE RS EE 46 7 0 Mecliinical Ci aracleniSlic S RE Ee EG dues ieee iinet chee 46 Tal MIDTAMIIME DAS 6 TAO ura dida 46 D NCA Or ES ss E ee A de SO RE 48 Sela C SOTO Ma ciclista dial 48 D Lid BIOCK SUCUT EG ER E EO ESA 48 8 1 2 Available Informa Oi nessa aia 49 M570 series oscilloscope User s Guide Figures and tables Fig 2 1 2 1 Block schematics of trigger circuits sesse ee AAR RR Ee ee ee 11 Fig 2 1 2 2 Examples of trigger events all inputs are enabled 12 Fig 2 1 3 1 Simplified block schematics of the data acquisition ooooooononnnnnnnnnnnos 13 iy A A POM Dane PO te E 15 Feil Wai WAM OW ain tesin ia elect hansen eae idan eee haere de 16 Frs AT 1 sOserloseopE SCLECN E E E E E 17 BEE dle VW RO 18 Fis 4 3 1 The Cursors and eridcontrols iii 18 Pie 441 2 Channel display controls dades 19 Fei keh SNS GE ana lcd ba ete 19 Piao O O CONOS de dede ane onde 19 Pi o OO A e o Ee A aie es 20 Fie d4 6 1 ZOOM COMO usarlas 20 Pie Ed Time Dase COMO aiii 21 Fis 4 8 d Tre cer mode control N 22 UA A Ay O A 7 ee 23 Fig 4 9 2 Trigger source contr
4. TRUE If it is lower than the threshold the output will be O FALSE The Trigger Source Selectors for each triggering level are independent It is possible to select the source of triggering signal for each level independently In addition to source selection the PTSS and STSS can invert any of the input signal The trigger event is generated with respect to change of the selector PTSS STSS output signal from O FALSE to 1 TRUE Constant level of the _11 M570 series oscilloscope User s Guide signal cannot start the measurement In case that only one of the signals is selected trigger event is generated corresponding to the polarity which is symbolically presented by direction of change of the signal 0 to 1 means no inversion When there are several inputs selected the selector makes a logical addition OR of all of the selected inputs Before adding the signals together ones are adjusted with respect to the polarity settings Trigger event is generated only when the change of result of the logical addition occurred from O to 1 FALSE to TRUE Logical values of the signals in the input of logical adder OR from which the trigger event is generated are created on the basis of following rules value 0 FALSE is the value that selector input signal should have before valid trigger event 1 TRUE is the value that this signal will have after the valid trigger event For example if triggering from Channel A 1s set to the trailing
5. 1ts name in the list To erase the selected layout click the Delete button To rename a layout select 1t insert the new name into the Layout name box and then click the Rename button _ 34 M570 series oscilloscope User s Guide 6 Special functions 6 1 80 function 80 The horizontal cursors positions are affected as follows Lower horizontal cursor is moved upwards by 10 of the distance between cursors and the upper one is moved downwards by same 10 6 2 Channel difference function A B The function result depends on the reference cursor state 1 Reference cursor active function calculates difference between the channel A and channel B where the reference cursor level 1s considered to be zero The result of the zero value is displayed on the reference cursor position 2 Reference cursor inactive function calculates difference of the channel A and channel B where the OV level is considered to be zero The result of the zero value is displayed in the middle of the screen between fourth and fifth division 6 3 Channel add function A B The function result depends on the reference cursor state 1 Reference cursor active function adds channel A and channel B where the reference cursor level is considered to be zero The result of the zero value is displayed on the reference cursor position 2 Reference cursor inactive function adds channel A and channel B where the OV level is cons
6. SA A E O EO ide 46 Table 7 0 ks Mechanical Characters tell ld ne 46 M570 series oscilloscope User s Guide Fable Ads MS 14 GMC OAS TANCES a Ra 4 M570 series oscilloscope User s Guide Package contents M570 series oscilloscope Ipc USB cable Ipc installation leaflet Ipc CD with software and user s guide in pdf Ipc Warranty conditions The ETC s r o company guarantees reliable operation of the M570 oscilloscope in compliance with this documentation during a period of 24 months from the date of purchase Should a malfunction occur during the warranty period excluding errors for which ETC can not be held responsible ETC guarantees the repair of the product or its replacement with a new or repaired one free of charge The ETC company shall not be responsible for malfunctions on the device caused by an accident incorrect manipulation unauthorized interventions or similar When requesting the warranty service the customer should send the device in its original package to the dealer from whom it was purchased or directly to the ETC company The warranty certificate together with a description of the defect or malfunction should be included in the package The customer agrees that a new or repaired product to be shipped would be insured against damage or loss during the transport and that he will cover the costs for the shipment and insurance Software License Agreement This legal document is an agr
7. after reaching the terminal count which is user settable in the range of 1 to 32767 If the MS switch is set to secondary level the output of primary event counter activates the secondary trigger level The input selector digital filter and event counter can be set for secondary level independently to define the valid trigger event The trigger circuits of the series M570 DSOs are equipped with Hold Off timer TDL It blocks the triggering event for time period T 4 H Ts from the start of data acquisition where T s is the actual real time sampling period and H is the user MS M570 series oscilloscope User s Guide selectable value from 0 to 32767 It is important to set the proper value H to ensure that the hardware of the oscilloscope acquires proper amount of data before trigger event For example if we want to display waveform for time period of Tz before the trigger it is necessary to set T gt Tz to ensure that all of the data will be displayed The M570 series oscilloscopes have four triggering modes implemented AUTO Data acquisition is triggered by a valid trigger event However when after certain time the trigger event does not occur measurement starts NORMAL Data acquisition is triggered by a valid trigger event SINGLE Data acquisition starts after activation from the control panel and it is synchronized by the valid trigger event Just one measuring cycle is executed MANUAL One measuring cycle is exe
8. be the data converted to Following options are available mV samples will be exported in mV V samples will be exported in V _ 28 M570 series oscilloscope User s Guide Points samples will be exported as number from 0 to 255 Area indicates area that will be exported Following options are available Whole memory whole memory will be exported Screen data on the oscilloscope screen will be exported Vertical cursors data between vertical cursors will be exported Style indicates style which will be used to export data Only one style is available at the moment exports each sample on the separate line and the tabulator is used as the delimiter between channel A and B Source indicates source of the data for the export Following options are available Channel A channel A will be exported Channel B channel B will be exported Both channels both channels will be exported Target indicates target of the export Following options are available Clipboard data will be exported to the clipboard File data will be exported to the file The standard dialog window opens before the export which will allow you to select target file Click Update selected button to update selected definition Click Remove selected button to remove selected definition Click Add button to add the definition to the list Click OK to update items in the main menu which allows you to expo
9. count Shift IntArray code 3 Vertical shift 0 is the maximal shift downwards 4095 is the maximal shift upwards Array length corresponds with the channel count To determine the position of the OV use GroundPos information Filter BoolArray code 4 Indicates whether the digital filter is on Array length corresponds with the channel count FilterFactor IntArray code 5 The digital filter level Array length corresponds with the channel count TriggerSrcOnPrimary BoolArray code 6 Indicates whether the source is on off index O channel A 1 channel B 2 external trigger input TriggerSrcLeadingPrimary BoolArray code 7 Indicates whether the triggering from the source 1s sensitive on the leading edge index 0 channel A 1 channel B 2 external trigger input TriggerLevel IntArray code 8 The trigger threshold level in quantization levels from O to 255 Array length corresponds with the channel count TriggerCount FIntArray code 9 The trigger count required to start acquisition on the trigger levels TriggerLength FIntArray code 10 Minimal length of the valid trigger event in samples TriggerMode Integer code 11 The trigger mode 0 Auto Normal 2 Single 3 Manual AfterTriggerSamples Integer code 12 Amount of samples acquired after trigger event HoldOffSamples Integer code 13 Hold off length in samples ProbeMod
10. in to display less data on the screen click Zoom out to display more TIP You can zoom in out using mouse wheel if the mouse cursor is over amplitude part of screen rotation of wheel from you zooms in to you zooms out The position of harmonic below mouse cursor remains intact after zoom if possible 6 9 1 Main menu The main menu is located in the top of the window Following items are available File Print Opens the print manager Settings Data source Channel A Sets channel A as data source Settings Data source Channel B Sets channel B as data source Settings Period selection Automatic Activates automatic period selection WARNING Automatic period selection can fail to find period of some signals If you are not sure whether found period is correct select period by cursors and activate one of manual modes Settings Period selection Manual with fine shift The period selected by cursors are automatically adjusted to match period The period is adjusted maximally by 2 points of scope screen TIP Manual mode with fine shift is suitable if you need to select signal period longer than 500 samples It is not possible to select period with precision of one sample in manual mode if there is more than 500 samples on the oscilloscope screen Settings Period selection Manual The period is selected by vertical cursors WARNING It is not possible to select period with precision
11. is calculated as average of the measured samples If the do button is activated the displayed sample is calculated as a maximum of measured samples If the Yo button is activated the displayed sample is calculated as a minimum of measured samples If both the do button and Yo button are activated the line connecting measured sample with maximum and minimum value is displayed Use the scrollbar in the bottom of the panel to change the used memory size 4 7 Timebase controls The timebase controls are located in the bottom of the main window Horizonta IN 1281540 354 36us HH 760 32us H 1 315kHz 1111 1281340 d I I l Fig 4 7 1 Timebase controls You can change timebase using scrollbar located in the bottom Following information are available above the divider IIll time of one screen division used to acquire currently displayed data time between trigger event and vertical cursor 1 H time between vertical cursors H frequency between vertical cursors Following information are available below the divider III time of one screen division current settings 21 M570 series oscilloscope User s Guide WARNING If the information about the time between trigger event and vertical cursor 1 has to be accurate error smaller than 10ns it is necessary to make following correction measure time between trigger event mark and real trigger event and use this value to correct
12. of one pixel Threshold of the External trigger input is fixed to about 1 5V TTL and CMOS compatible The M570 series oscilloscopes have the dual level triggering system which is closely described inchapter 2 1 2 Oscilloscope hardware offers data acquisition with maximum rate of 50 100 or 200MS s depending on the model Therefore it is not possible to sample non repetitive waveforms faster than every 20 10 or 5ns depending on the model However thanks to random sampling method it is possible to sample repetitive waveforms with period of 200 100 or 50ps depending on the model which corresponds with equivalent sampling rate of 5 10 or 20GS s For displaying waveforms acquired using the random sampling method the ETC company has developed system called WCD Waveform Conformity Detection which speeds up display of changes of measured waveform The oscilloscope hardware can acquire data in one universal mode Acquiring data before and after trigger with settable trigger position displays waveform before and or after trigger The position of the trigger is settable by the user In this mode the hardware of the oscilloscope starts data acquisition immediately after the start of measurement The trigger event terminates the data acquisition after collection the data amount set by the user The trigger position can be set to any place between these margins The Hold Off timer allows the user to prevent the occurrence of a trigger event
13. of one sample in manual mode if there is more than 500 samples on the oscilloscope screen because one screen point corresponds with more than one acquired sample The manual mode with fine shift is suitable for most measurements TIP The more samples will be period composed of the more precise results will be achieved _ 39 M570 series oscilloscope User s Guide Settings Algorithm FFT Data will be transformed by fast fourier transformation Settings Algorithm DFT Data will be transformed by discrete fourier transformation TIP The FFT is suitable for most measurements DFT is suitable for extremely high precise measurements only FFT with very high quality is essentially same as DFT Settings FFT quality Normal Sets normal FFT quality This quality distorts harmonics near half of sampling frequency Settings FFT quality High Sets high FFT quality This quality little distorts harmonics near half of sampling frequency Settings FFT quality Very high Sets very high FFT quality The result is essentially same as it were transformed using DFT WARNING FFT with normal quality lowers amplitude of harmonics near half of sampling frequency We do recommend to use DFT for precise measurements of these frequencies or FFT with very high quality if fast transformation is desired Settings Amplitude mode Decibels Displays harmonics amplitudes in logarithmic mode where OdB is amplitud
14. on the main screen Zoom function affects amount of displayed data The cursors position information are displayed in lower right corner of the window voltage between red vertical cursor and OV Pe voltage between vertical cursors voltage between red horizontal cursor and OV 1 voltage between horizontal cursors Color opens standard operating system dialog where you can select the shape color Save saves shape in jpg format Pause pauses shape updating 36 M570 series oscilloscope User s Guide 6 9 Fourier transformation function FT The fourier transformation transforms acquired samples using fourier transformation The FFT fast fourier transformation and DFT discrete fourier transformation are implemented In case the automatic period selection is activated one period of waveform is transformed otherwise the part distinguished by cursors in oscilloscope software is transformed The fourier transformation window is opened after activation of the FT function MN Fourier Transformation for M520 series File Settings 10 x 10dB 20d8 30d6 40dB A0dE EOdE 11kHz2 45kHz kHz 13D0kHz2 180kHz 230kHz BOkHz 330kHz 380kHz A43DkHz 4elkHz BADOkHz Potatus gt Cursor info q Controls Period kHz Frequency 3 007 kHz 3 DEERE Hol
15. the file is corrupted BoolArray _ 48 M570 series oscilloscope User s Guide block information array length array length 2 array length code n n contents Array length and array length 2 must be the same In case they are not the file is corrupted DoubleArray information array length array length 2 array code n n contents Array length and array length 2 must be the same In case they are not the file is corrupted FIntArray block length 16 information first array item second array item code Boolean block length 12 boolean value 0 false 1 true code AcqData EE block information channel channel 1 st EET n th channel length code count n count 2 n data data Channel count and channel count 2 must be the same In case they are not the file 1s corrupted The structure of the channel data is following array length n array length 2 n Array length and array length 2 must be the same In case they are not the file 1s corrupted 8 1 2 Available information Following information are available in the file 49 M570 series oscilloscope User s Guide MemorySize Integer code 0 Size of the memory used for data acquisition in samples Timebase Double code 1 Sampling rate used for data acquisition in samples per second Range DoubleArray code 2 Selected ranges in mV per division Array length corresponds with the channel
16. use units in the edit box for example 45u is 45 microseconds Valid units are n nano u micro m milli 4 10 Vertical range controls The vertical range controls are located in the right of the main window Fig 4 10 1 Range controls Channel A controls are located in the left channel B controls are located in the right changes the range to less sensitive Range with no respect to probe attenuation is displayed below this button h Changes the range to more sensitive we activates deactivates digital shielding Click 4 or 2 to decrease or increase digital shielding level _ 94 M570 series oscilloscope User s Guide 4 11 Vertical shifts controls The vertical shift controls are located in the right of the main window Position Fig 4 11 1 Vertical shift controls Channel A controls are located in the left channel B controls are located in the right Click between above or below the slider to shift waveform by smallest possible value The vertical shift can be set by dragging the slider as well TIP Keeping the mouse button pressed above or below slider results in shift by 20 smallest possible values per second It is possible to change the vertical shift by dragging the waveform on the main screen TIP Changing the vertical shift by dragging the waveform can be turned on off in main menu 4 12 Signal source controls The signal source controls are located in the righ
17. 25 Hold off mode 0 Auto 1 Set SimpleTrigger Bool code 26 Indicates Simple mode of the trigger system WCDSensitivity Integer code 27 Indicates WCD sensitivity Value 255 indicates WCD switched off 0 indicates the biggest sensitivity 51
18. 570 series oscilloscope User s Guide Selected frequenc Frequency 100Hz Lett 40dB dec Right 20dB dec d Level 20 Figure 6 9 2 2 Selected frequency controls Click left combobox to change filter steepness below selected frequency click right combobox to change filter steepness above selected frequency It is possible to set attenuation at specified frequency in level edit box The frequency s level become fixed after this operation Frequencies controls are located in the bottom left corner of the window Contrals Add Heg Remove freq Figure 6 9 2 3 Frequencies controls Click Remove freq button to delete selected frequency Click Add freq button to open a window where you can select new cut frequency Bi Frequency Frequency fi k Cancel Figure 6 9 2 4 New frequency window It is necessary to enter desired frequency into Frequency edit box TIP It is possible to enter value into Frequency edit box with power of ten for example 1k 1000 It is possible to use k kilo and M mega 6 10 Inverse fourier transformation function IFT This function calculates inverse fourier transformation from the data calculated by fourier transformation module FT WARNING You can use this function only together with FT function If the FT function is not activated it is not possible to activate IFT function All IFT settings are access
19. EE aes ab atone payee emia sel Ee oie ah ea ee ey ech ee 18 AD Cursors and erid COME ONS at aii 18 44 Channel display CONTO Sines ia 19 AO E OA COMO Sida 19 A ak RS De ER Ge AE yah REEN Da Mi Ee nn 20 Ad Tiniebase contrOls RS EE ve ed ee AG A 21 A 8 AVS SEE mode GOOSE ae ia iii ia 22 MO O A O du ie 23 4 LO Vertical Pale COMO ii de dead net 24 LL Verca DNS COME ONS tore nn titi dt note 25 12 S18nal Source COMO Sisa 25 Ad Nannie mi OL Mal tacita Nek GE Re Ge dci 26 dd NIE LOL ee Ee N ee N GE DE Ge N ED N EG Ga EG 26 A Ad ls OPUS acia 2 4 14 2 Manage exports Window sortida iia 28 ATS pec al MUMCUONS CONTO Sea E A R 29 D OCR n ONS E ibid 31 DL A A te Det en 31 5 1 1 Setting the name of a new layout 33 J 122 Dayout MANAG CM nt be nee demon pen 33 OS DEC MICH OMS sik EE SA SO DE iia 39 OL S0 funcion SOTO naine 35 6 2 Channel difference function A B ooccnnccnncccnnccnnocnnoccnnoconoconancnnoranarcnnaconinannss 35 6 35 Channel add function AB EE EG GE A is 35 64 Channel A Inversion GAJ io 35 63 Channel B inversion BE Ee A A is 35 6 6 Channel A voltage inversion VA 35 6 7 Channel B voltage inversion VB ss 3 ASA A A 36 M570 series oscilloscope User s Guide 6 9 Fourier transformation function FT ee esse esse ee see ee ee ee ee ee ee ee ee 37 6 9 1 Maties GE Pr EE RR EE DE N Ge RE EG GE N ED ee ee ie 39 0 92 COMPILE Wind adi 4 6 10 Inverse fourier transformation function FT 42
20. M570 series oscilloscope User s Guide Version 1 02 ETD Copyright 2004 2006 ETC s r o M570 series oscilloscope User s Guide Thank you for choosing oscilloscope from M570 series a product of ETC s r o We believe it will fulfill your expectations In order to assure that we will be able to provide you with up to date information please fill out the registration form at the ETC website For any further information or consultations please contact us via mail phone or preferably e mail on the following adress Address ETC s r o Rosinska cesta 8 010 08 Zilina Slovak Republic Phone 421 41 5652687 Fax 421 41 5652687 Internet URL http www etcsk com e mail support etcsk com technical support sales etcsk com sales info etcsk com other information M570 series oscilloscope User s Guide Contents Package CONES iveco eg GE 7 AAC a 7 Software License Are cmd idas 7 A arth aise ace et nota ae aa ea GE niche ae Ne NG SE Ge 8 Mb O 9 sl Red oie MUS lada daras 9 12 rare abe installato aos 9 Lo SOLEW are INS CAM ATI OM is A AA id 9 2 tn 16 WV AN OO O CCOO IO E En elena rs trang tho aS a rani eal ea cd teense EE N MEE ela 10 2 LEON Are AA Pad O ON 10 2 L Dieital Mie dis DS EDR ne da den moe 11 RA y A A II II a te ee 11 2 1 ASS A O 13 E A ie ed OE se DE 15 Sul FLOM DAME li OU is ha dt ica 15 2 DB aste OS dio 15 IMA WING OW seras dnd ee ede ED e 16 A lee OS CIO scope Sra 16 2 DO E RE
21. abide by the terms of this License M570 series oscilloscope User s Guide 4 DISCLAIMER OF THE WARRANTY OF ANY KIND CONCERNING SOFTWARE This SOFTWARE and accompanying written materials are provided AS IS without a warranty of any kind Further ETC s r o does not warrant guarantee or make any representations regarding the use or the results of use of the SOFTWARE EM570 device or written materials in terms of correctness accuracy reliability currentness or otherwise The entire risk as to the results and performance of the software 1s assumed by you Precautions Please follow these recommendations to avoid any possible problems that might occur while using the oscilloscope read the User s Guide always connect device using cable which is the part of package If it is not possible always use USB 2 0 cable never connect signal with absolute voltage higher than 200V to measuring inputs This value is valid for frequencies lower than 100kHz Over this frequency the voltage lowers with raising frequency For example frequency 200kHz of 100V 400kHz of 50V is the limit never connect voltage lower than 10V and higher than 13V to the external triggering input frequency lower than 20kHz Over 20kHz voltage lower than 0 5V or higher than 4V is not recommended never connect voltage to the oscilloscope ground it may result in device or computer damage never disassemble device since there are no user serviceable p
22. activates channel B waveform The special function can be activated by click on the appropriate button located in special functions box followed by click on one of the buttons located in the bottom of the channel controls Function results are displayed with the color of the selected virtual channel left button is channel C right one 1s channel D 4 5 Save load controls The save load controls are located in the bottom of the main window Saverloa O Unload Apply settings Fig 4 5 1 Save load controls The load controls are located in the panel top os Unload Load Cl Apply settings Fig 4 5 2 Load controls The name of source file has to be inserted into the upper edit box Click E to browse for the file Click Load button to load and display data The indicator by the edit box turns green on successful load 19 M570 series oscilloscope User s Guide TIP If the filename ends with the number this number can be automatically incremented on the successful load this feature can be turned on off through main menu Click Unload button to stop displaying the loaded data Click Apply settings to set the settings loaded from the data file TIP The settings can be applied automatically this feature can be turned on off through main menu Indicator by the Apply settings button changes color depending on the actual settings this way Green the actual
23. after the start of data acquisition This feature allows to acquire proper amount of data before the trigger 10 M570 series oscilloscope User s Guide Each measuring channel of the M570 series oscilloscopes has its own AD converter No channel multiplexing is used for dual channel operation 2 1 1 Digital Shielding DSH Digital Shielding removes interference asynchronous with the measured signal and it does not affect frequency characteristics of the measured waveform The only negative effect of DSH is longer time period of waveform stabilization It 1s however very simple to turn the DSH off using the on screen controls The DSH efficiency level corresponds to DSH level factor that can be set to any value from 2 to 64 The higher the level you choose the longer it takes to stabilize 2 1 2 Trigger circuits The block schematics of the dual level trigger circuits are shown on the figure 2 12 1 DA Secondary level fi ABE Fig 2 1 2 1 Block schematics of trigger circuits Data for trigger circuits come either from Channel A Channel B or from external trigger input E The comparators KA an KB produce binary signals for Primary Trigger Source Selector PTSS and Secondary Trigger Source Selector STSS while the threshold of each comparator ta tb can be set to any value in the vertical range If the actual output voltage of the channel is higher then the actual threshold the output of comparator is set to 1
24. arts inside M570 series oscilloscope User s Guide 1 Installation 1 1 Requirements Minimum configuration PC PENTIUM compatible computer 64MB RAM CD ROM VGA with resolution 800 x 600 USB port 1 1 mouse or other tracking device at least 20MB free space on the hard drive MS Windows 98 SE ME 2000 or XP Recommended configuration PC PENTIUM compatible computer with speed of at least SOOMHGZ 256MB RAM CD ROM VGA with resolution at least 1024x768 USB port 2 0 mouse or other tracking device at least 20MB free space on the hard drive MS Windows 98 SE 2000 or XP 1 2 Hardware installation Connect one side of the cable to the computer other one to the device Proceed with the software installation WARNING Always use cable which is the part of the package Usage of the improper cable can disable communication with the computer 1 3 Software installation The software and the device drivers are located on the enclosed CD Insert the CD into the CD ROM drive Then follow the instructions of the setup program that should launch automatically If the CD autorun is not enabled in your computer s settings please run file autorun exe from the CD M570 series oscilloscope User s Guide 2 Hardware The information contained in this chapter will help you to understand the features of your oscilloscope 2 1 Hardware description The M570 series of dual channel digital stora
25. ata acqusition hasn t finished yet green the measurement has ended the data are displayed on the oscilloscope screen 1 2 sets the trigger threshold to the middle between maximum and minimum value of the waveform Hold pauses the measurement Simple switches trigger controls to from simple mode The secondary triggering level is deactivated the trigger counter on primary level is set to one and a _22 M570 series oscilloscope User s Guide digital filter on the primary level is activated and set to minimum value in simple mode 4 9 Trigger controls The trigger controls are located in the bottom of the main window Trigge Primary Secondary Hold off Aa af 20 9 2m Auto 20n SFL 0 20 972ms HSE vor gt nos aE Fig 4 9 1 Trigger controls The trigger source controls are located in the left Fig 4 9 2 Trigger source controls Left buttons control primary level the right ones control secondary level A activates deactivates channel A as triggering source B activates deactivates channel B as triggering source E activates deactivates triggering from external triggering input E JU switches between sensitivity on leading trailing edge You can enter required trigger event occurences count into NOP primary level or NOS secondary level edit box The count can be any value from to 65535 You can enter minimum lengt
26. ay more than 64k samples in the oscilloscope screen 4 3 Cursors and grid controls The cursors and grid controls are located in the left part of the main window Cursors us Fig 4 3 1 The cursors and grid controls Il _ activates deactivates vertical cursors activates deactivates horizontal cursors Grid activates deactivates grid Trc activates deactivates the Trace mode where the cursors behave as follows the cursor 2 behaviour is not affected while dragging cursor 1 the cursor 2 moves to maintain the distance between cursors X activates deactivates mode where the drag of cursors intersection moves both cursors The top scrollbar Grid adjusts grid brightness The bottom scrollbar Wnd adjusts window transparency TIP The grid color can be changed in main menu 18 M570 series oscilloscope User s Guide WARNING The window transparency consumes system resources when turned on Drag scrollbar to the right to turn the window transparency off WARNING The window transparency is supported by the Windows 2000 and Windows XP In case the software runs under different operating system the scrollbar is disabled 4 4 Channel display controls The channel controls are located in the left of the main window Channels aol po _el el Fig 4 4 1 Channel display controls A activates deactivates channel A waveform B activates de
27. cursor 1 and blue cursor 2 color by default Horizontal cursors have red cursor 1 and blue cursor 2 color by default as well TIP The cursors color can be changed in main menu You can move cursor by dragging it The waveform is drawn using the channel color The default channel colors are following Channel A green channel B yellow virtual channel the one used for display of function result C is light blue and channel D is orange TIP The channel colors can be changed in main menu The threshold voltage mark is located in the left You can change threshold voltage by dragging it TIP If the used memory size is larger than 64k the quickview is displayed above the oscilloscope screen Use the quickview to select the 64k long part of the memory that can be displayed in the oscilloscope screen Are M570 series oscilloscope User s Guide 4 2 Quickview If the used memory size is larger than 64k the quickview is displayed above the oscilloscope screen Fig 4 2 1 Quickview The white rectangle indicates the part which can be displayed in the oscilloscope screen Drag this rectangle to change its position The blue rectangle indicates the part which is displayed in the oscilloscope screen Drag this rectangle to change its position The triangle in the bottom of the quickview indicates the trigger position TIP You can turn the quickview on off in main menu If the quickview is turned off you can displ
28. cuted immediately after activation from the control panel 2 1 3 Data acquisition The simplified block schematics of data acquisition is shown on Figure ES SD REG CMP o done It trg AC ADC clk DATA Fig 2 1 3 1 Simplified block schematics of the data acquisition e M570 series oscilloscope User s Guide The data from AD converters are stored in the onboard memory M This memory is addressed by address counter ADC which starts to count immediately after start of measurement regardless of trigger event The occurrence of valid trigger event starts the after trigger data counter ACC Comparator CMP compares the state of ACC with the output of register REG which contains data amount acquired after trigger When the output of ACC reaches the value written to REG the comparator produces the signal done which stops both the ADC and ACC counters The amount of data written after trigger to memory depends on the value of REG The value written to REG controls the relation of the trigger event and the displayed data Changing the value of REG it is possible to display data before before and after or only after trigger _14 M570 series oscilloscope User s Guide 3 Basic information 3 1 Front panel layout Channel A channel B external synchronization input compensation generator output and LED are accessible on the front panel ETD O 13W M570 series oscilloscope Fig 3 1 1 Front panel
29. d 0 Timebase OE Amplitude 9 5d6 235 648 A Vertical shift OK Phase 0 49P1 87 6deq EET Range OK Figure 6 9 1 Fourier transformation window The main screen is located in the top of the window The frequency bar divides it into two parts You can change the parts size by dragging this bar The harmonics amplitude is displayed in the top part amplitude part the phase in bottom one The threshold amplitude is represented by grey horizontal line in the amplitude part You can change threshold by dragging this line Phase is displayed only for the harmonics with amplitude above this threshold If the decibels amplitude mode is activated you can change amplitude range by dragging ticks in the left of the amplitude part The watched harmonic can be selected by vertical grey cursor You can scroll data using the scroll bar located below main screen The status panel with information about analyzed signal is located in the left bottom corner of the main window a3 7 lt M570 series oscilloscope User s Guide Status Period kHz Timebase OK Vertical shift OK Range OK Figure 6 9 2 Status panel If the indicator Period is red application was not able to find period automatically green period found successfully grey the manual selection of period is activated The current selected period is displayed in parentheses If the indicator Timebase is re
30. d yellow the timebase is too slow for analyzed signal faster timebase will produce better results green suitable timebase is set grey the automatic period selection is deactivated If the indicator Vertical shift is red vertical shift is not suitable If the Up is in parentheses the waveform is shifted up Down waveform is shifted down green suitable vertical shift is set If the indicator Range is red range is not suitable If the Sensitive is in parentheses sensitive range is set Insensitive insensitive range is set green suitable range is set The information about harmonic selected by cursor are displayed in the bottom of the main window Cursor into Frequency 3 007 kHz 3 Amplitude d5dB 235 640m Phase 0 49P 87 bode Figure 6 9 3 Information about harmonic selected by cursor Frequency Frequency of harmonic its index Amplitude Amplitude of harmonic in decibels in voltage Phase Phase of harmonic in radians in degrees TIP The effective or peak voltage of harmonic can be displayed You can select it in main menu The main screen controls are located in the right bottom corner of the main window _ 38 M570 series oscilloscope User s Guide Controls oom IN Hold z OOM out Figure 6 9 4 Screen controls Click Hold button to pause unpause data refresh Click Zoom
31. e IntArray code 14 50 M570 series oscilloscope User s Guide The probe attenuation 0 1 1 1 1 10 2 1 100 3 1 1000 Array length corresponds with the channel count Ground BoolArray code 15 Indicates whether the grounding is on Array length corresponds with the channel count DC BoolArray code 16 Indicates whether the DC coupling is on Array length corresponds with the channel count GroundPos DoubleArray code 17 Position of the OV on the screen in quantization levels from O to 255 Array length corresponds with the channel count AcquiredData AcqData code 18 The data measured on the channels together with virtual channels Version Integer code 19 File version currently set to zero FirstValidSamples IntArray code 20 Index of the first valid sample in the channel data LastValidSamples IntArray code 21 Index of the last valid sample in the channel data TriggerSrcOnSecondary BoolArray code 22 Indicates triggering on the secondary level from source index O channel A 1 channel B 2 external trigger input TriggerSrcLeadingSecondary BoolArray code 23 Indicates whether the triggering from the source is sensitive on the leading edge index 0 channel A 1 channel B 2 external trigger input ATMode Integer code 24 After trigger count mode 0 HSC 1 FSC 2 Set 3 Min HF Mode Integer code
32. e of harmonic with the highest energy Settings Amplitude mode Voltage Displays harmonics amplitudes in linear mode in voltage Settings Voltage mode Amplitude Voltage will represent amplitude of harmonic Settings Voltage mode Effective Voltage will represent effective voltage of harmonic Settings Stay on top Activates deactivates always on top mode of main window Following items control inverse fourier transformation IFT It is necessary to activate IFT to use them Filter Mode Surpress noise The harmonics with level higher than the threshold will be used for inverse fourier transformation Filter Mode Simple Inverse fourier transformation is calculated from selected harmonics Hold ctrl and click on harmonics to select deselect it Hold shift and double click on screen to select deselect all harmonics Filter Mode Complex The harmonics are modified by filter specified before IFT calculation Therefore the result represents the input waveform pass through specified filter You can specify filter by clicking on the item in main menu Filter Algorithm FFT Data will be transformed by inverse fast fourier transformation Filter Algorithm DFT Data will be transformed by inverse discrete fourier transformation _ 40 M570 series oscilloscope User s Guide WARNING The inverse FFT algorithm has negative effect on the waveform quality To achieve best results
33. edge then the output voltage of the channel is higher than the threshold voltage consequent value on the adder input will be O FALSE Inverse situation will be taken as 1 TRUE Note that when using logical addition all values must be 0 FALSE in order for result to be 0 FALSE It is relatively easy to find out which are the valid trigger events Figure 2 1 2 2 shows several valid and invalid trigger events all inputs are enabled selected trigger event valid invalid invalid valid valid Fig 2 1 2 2 Examples of trigger events all inputs are enabled The digital pulse filters DF are implemented in both primary and secondary trigger levels If activated they filter out pulses shorter then the value 4 N Ts where Ts is the actual real time sampling period and N is the value set by the user 1 lt N lt 32767 If we want to use this option it is necessary to set the valid trigger event to the end of the pulse For example if the pulse we want to filter off is positive 0 to 1 to 0 the trigger event should be set to trailing edge 1 to 0 If the pulse is inverse 1 to O to 1 the trigger event should be set to leading edge 1 to 0 The outputs of digital pulse filters are connected to event counters EC It counts the unfiltered pulses If the MS switch is set to primary level the output of primary event counter will change from 0 FALSE to 1 TRUE to indicate the valid trigger event
34. eement between you the end user and ETC s r o By installing this product on your computer you are agreeing to become bound by the terms of this agreement and warranty conditions 1 GRANT OF LICENSE ETC s r o as Licensor grants you the Licensee a nonexclusive right to use and display this copy of the M570 software hereinafter the SOFTWARE this EM570 device and accompanying written materials on a single COMPUTER at a single location and only together so long as you comply with the terms of this License 2 OWNERSHIP As the LICENSEE you own the magnetic or other physical media on which the SOFTWARE is originally or subsequently recorded or fixed but an express condition of this License is that ETC s r o retains title and ownership of the SOFTWARE recorded on the original disk copy 1es and all subsequent copies of the software regardless of the form or media in or on which the original and other copies may exist This License is not a sale of the original SOFTWARE or any copy 3 COPY RESTRICTIONS This SOFTWARE EM570 device and accompanying written materials are copyrighted Unauthorized copying or copy attempt of the EM570 device including module which has been modified or included with any other system or of written materials is expressly forbidden It is however allowed to pass SOFTWARE on as the DEMO version You may be held legally responsible for any copyright infringement which is caused or encouraged by your failure to
35. en Ad Portrait wide screen Letter Landscape full screen Letter Landscape tall screen Letter Landscape wide screen Letter Portrait full screen Letter Portrait tall screen Letter Portrait wide screen Cancel Fig 5 1 1 1 Specify Layout Name Window It is necessary to insert a name of the new layout into the New layout box This name has to differ from the names of the existing layouts If the name would be identical with the name of another layout this layout would be replaced by the new layout At the same time the existing layout would be highlighted in the layout list If you click a name of a layout in the list this name will appear in the New layout box To save the layout click the OK button 5 1 2 Layout Manager To open the Layout Manager window select the Layout Manage layouts item in the main menu of the print manager window 33 M570 series oscilloscope User s Guide E Layout name ad Portrait full screen 44 Landscape full screen Ad Landscape tall screen 44 Landscape wide screen Ad Portrait full screen 44 Portrait tall screen 44 Portrait wide screen Letter Landscape full screen Letter Landscape tall screen Letter Landscape wide screen Letter Portrait full screen Letter Portrait tall screen Letter Portrait wide screen Rename Fig 5 1 2 1 Layout Manager Window To select a layout double click
36. ge USB oscilloscopes connect to the computer via USB They are compatible with both USB 2 0 and USB 1 1 Measurement accuracy is achieved by the stability of the parts used together with the computing power of the computer Calibration data are part of the HW which makes it impossible to loose them oppose to the calibration data located on the diskette Therefore it is possible to simple connect the hardware to any computer via USB 1 1 or USB 2 0 interface All you have to do is just installing the software The M570 series oscilloscopes allows user to measure waveforms using two independent channels with resolution of 8 bits and sensitivity from 10mV div to 5 V div 80mVis to 40Vfs in 9 steps One division of the oscilloscope screen contains 32 dots Input impedance matches the oscilloscope standards therefore any regular oscilloscope probe with minimum compensation range of 32pF can be connected to the device The software supports 1 1 1 10 1 100 and 1 1000 probes AC or DC coupling and type of probe can be independently selected for each vertical channel Any of the inputs can be grounded without disconnecting the probes from the measured system Vertical track position can be controlled with accuracy of 1 pixel of the oscilloscope screen Measurement can be triggered from the Channel A Channel B and or External trigger input Trigger threshold can be set independently for each channel in the range of whole oscilloscope screen with resolution
37. h of trigger event considered as valid into PFL primary level or SFL secondary level edit box TIP You can use units in the PFL SFL edit box for example 45u is 45 microseconds Valid units are n nano u micro m milli The after trigger amount controls are located in the bottom right corner After trigger 0 3 eme HSE Fig 4 9 3 After trigger amount controls The button in the right switches between following after trigger modes HSC Half of the memory is acquired after other half before trigger FSC Whole memory is acquired after trigger This in fact is the classic after trigger mode 03 M570 series oscilloscope User s Guide MIN The amount of data acquired after trigger is set to minimal possible value pure before trigger mode SET The time acquired after trigger event can be set by entering value into the edit box or using scrollbar TIP You can use units in the edit box for example 45u is 45 microseconds Valid units are n nano u micro m milli The hold off controls are located in the top right corner Hold aff 20 97 2me Auto Fig 4 9 4 Hold off controls The button in the right switches between following hold off modes AUTO The hold off time is set to guarantee acquisition of the whole memory SET The hold off time can be set by entering value into edit box or using scrollbar TIP You can
38. hange by dragging waveform Quick view e Display guickview Lancel Fig 4 14 1 1 Options window Following options are available Colors Screen colors Channel colors click color of the channel to change 11 Colors Screen colors Cursors colors click color of the cursor to change it Colors Screen colors Screen color click color to change the screen background Colors Screen colors Grid color click color to change the grid color Save load Save behaviour Automatically increment filename if the filename of the target file ends with number that number will be automatically incremented on successful save Save load Load behaviour Automatically increment filename if the filename of the source file ends with number that number will be automatically incremented on successful load Save load Load behaviour Automatically apply settings settings from data file will be automatically applied on successful load ae M570 series oscilloscope User s Guide Save load X and Y offset Allow X offset change by dragging waveform the X offset of the loaded waveform can be changed by dragging the waveform on the oscilloscope screen Save load X and Y offset Allow Y offset change by dragging waveform the Y offset of the loaded waveform can be changed by dragging the waveform on the oscilloscope screen Display General Tool tip help activates tool tip help Display Ma
39. ible through FT module s main menu 6 11 Waveform parameters function Wp Waveform parameters function calculates parameters of the channel A B C or D waveform The window opens after module activation _ 4 M570 series oscilloscope User s Guide MM Waveform parameters Edit Settings Row Column sl x Hom 4 avg A now C avg C x Feak peak B562 V E531 Y fobs V fobs V x Peak 3 100 Y 3103 3 600 Y 3 600 Y x Peak 3 5 5 W ET TAT 3 0 5 3 0 5 W x Frequency 10 5860 kHz 1UArdkHz 1058kHz 10 579 kHz A Period dd 52 us 34 524 us 394 54 us 34 524 us x DC voltage 866 318 mW 68 326 my 66 266 m0 89 073 my x Wires 3 152 Y 3 153 Y 3133 3 134 x VWayg 3 150 3 151 Y 3 110 CARPEN x Crest factor 96 064 36 564 02 001 02 006 xX High pulse width 477 18 us 47 164 us 45 56 ug 45 569 us Low pulse width 47 18 us 47 162 us 45 06 us 45 064 us x Duty Factor 50 000 E 50 007 4 50 011 E 50 000 2 High pulse level 3 066 Y 3 065 Y 3 066 Y 3 066 Y Low pulse level 3d3d MV 3 2424 231 V 3 2334 X High overshoot 1 925 2 1 668 E 10 064 10 060 Low overshoot 2 156 1 668 4 10 445 10 205 lt A Rise time ED ris 49 400 ns 1 38 Us 1 375 us x Fall time ED ris 28 00 ns 1 38 us 1 375 us Figure 6 11 1 Waveform parameters window Following parameters are displayed in the table Peak peak peak peak voltage Peak voltage of the maximum Peak voltage of the minimum
40. ide of the window the page is previewed as it will be printed Several important parts of the page are highlighted The lines marking these parts will not be printed The red line outlines the printable area of the page Selected object is marked by black dashed outline To select an object click it You can move it into a desired position by dragging it To change the size of a chosen object drag its outline In the lower right corner of the window the following information on the properties of the selected object is shown Name Name of the object Position Coordinates of the upper left corner of the object on the page in millimeters Size Size of the object in millimeters Rect Position of the upper left corner and the lower right corner on the page in millimeters 31 M570 series oscilloscope User s Guide Object into Hame Main screen Position 20mm 20mm Size lt 6 ram xl damn Rect 20 20 27 7 153 mm Fig 5 1 2 Object Info In the upper right corner of the window names of all the objects that can be placed into the page are listed To display hide an object click the box next to the object name To select an object click the name of the object if the object is displayed General info Timebase settings Channel amp Information Channel B Information Free text 1 C Free text 2 Fig 5 1 3 List of available objects TIP Two objects with conten
41. idered to be zero The result of the zero value is displayed in the middle of the screen between fourth and fifth division 6 4 Channel A inversion A Function calculates inversion of the channel A with no respect to OV 6 5 Channel B inversion B Function calculates inversion of the channel B with no respect to OV 6 6 Channel A voltage inversion VA Function calculates channel A inversion where the reference cursor position is considered as a zero value reference cursor on or the OV is considered as a zero value reference cursor off 6 7 Channel B voltage inversion VB Function calculates channel B inversion where the reference cursor position is considered as a zero value reference cursor on or the OV is considered as a zero value reference cursor off 335 2 M570 series oscilloscope User s Guide 6 8 X Y function X Y The X Y function window is opened after an activation of the X Y function lol xi 406 EE he 7832v Pause Lave ig 6 8 1 X Y function windo TIP The X Y function window stays always on top Therefore it is possible to change oscilloscope settings and see their influence immediately The OV values for X axis and Y axis are displayed in gray color TIP The OV positions can be changed by vertical shift for both axis Two horizontal and two vertical cursors are available Drag them to change their position TIP The X Y function displays the data visible
42. in screen Allow display start change by dragging waveform the displayed part of the waveform on the oscilloscope screen can be changed by dragging waveform on the oscilloscope screen Display Main screen Allow vertical shift change by dragging waveform the vertical shift can be changed by dragging waveform on the oscilloscope screen Display Quickview Display quickview if more than 64k samples are acquired quickview is displayed above oscilloscope screen 4 14 2 Manage exports window Click the item in the main menu to open Manage exports window Manage exports x Whole memory in points clip Export options Whole memory in points file Whole memory in my clip Mame whole memory IN points Cursors in my clip l Units Points Area whole memory Style Ha time b S OUICE Both channels Target Clipboard Update selected Add Remove selected OF Cancel Fig d 14 2 1 Manage exports window The list of all saved definition is in the left of the window Click definition in the list to select it and fill the options in the right with it TIP The export items in the main menu are created in the order the definitions are in the list Drag definition in the list to change its position Each definition has following options Name identifies definition in the main menu Click menu item to export data using the definition Units indicates which units will
43. in window Following menu items are available File Print Opens print manager File Exit Closes application File Export Manage exports Opens the window where the export definitions can be configured Click item in the File Export to export data using specified definition Settings Save settings Saves current settings into selected file Settings Load settings Loads settings from selected file Settings Process licence file Loads and processes specified licence file Settings Compensation generator Activates deactivates compensation generator Settings WCD sensitivity Very high Sets very high WCD sensitivity Settings WCD sensitivity High Sets high WCD sensitivity Settings WCD sensitivity Medium Sets medium WCD sensitivity Settings WCD sensitivity Low Sets low WCD sensitivity 26 M570 series oscilloscope User s Guide Settings WCD sensitivity Off Turns the WCD off Settings Digital shielding level Opens window where you can select digital shielding level Settings Options Opens the window where the software options can be changed Help Help Displays the Help index Help About Displays information about product 4 14 1 Options Click the item in the main menu to open options window Options x General e Tooltip help Main screen Jv Allow display start change by dragging waveform e Allow vertical shift c
44. mance characteristics 7 1 Vertical deflection system No of divisions 8 No of pixels per division Deflection factor range 10mV div to 5V div in 1 2 5 sequence Accuracy 2 of current value 1 pixel Frequency response 3dB DC 0 150 MHz AC 1 2Hz 150 MHz Input resistance inaccuracy Digital for absolute accuracy 2 of current voltage adjustment 1 pixel 29 pF IpF Zero setting accuracy 2 of the screen Maximum input voltage 200V at 100 kHz or less Table 7 1 1 Vertical deflection system 7 2 Triggering System type Dual level Trigger source for primary selectable Channel A Channel B or external trigger input level Trigger source for selectable Channel A Channel B or external trigger input secondary level Threshold setting Channel A and Channel B on the whole display range External fixed on about 1 5V period length external trigger input Adjustments Digital filter with ability of setting the valid pulse length up to 131072 Ts for each level and counter of valid triggering events settable from to 32768 for each level HOLD OFF settable up to 1048576 Ts with selectable AUTO mode to sample proper amount of data before trigger Ts actual real time sampling period Table 7 2 1 Triggering 7 3 Data acquisition system No of pixels per division _ 45 M570 series oscilloscope User s Guide Sampling before and after trigger with continual selec
45. minimal value of the parameter max maximal value of the parameter avg average value of the parameter dev parameter deviation WARNING The statistics are calculated from whole history of the waveform Click item in main menu to reset them 6 11 1 Main menu Main menu is located in top of the window Following items are available Edit Copy Copies table to clipboard in text format Edit Reset params Resets statistics of all parameters Settings Channel C range source Channel C parameters will be calculated using range of selected channel Settings Channel D range source Channel D parameters will be calculated using range of selected channel Settings Stay on top Activates deactivates mode always on top mode of the window Row Show Shows hides selected parameter Row Show only Shows selected parameters and hides others Row Show all Shows all parameters Row Configure rows Opens the window where it is possible to show hide parameters Column Channel Activates deactivates selected channel parameters Column Show Shows hides selected statistic Column Show only Shows selected statistic and hides others Column Show all Shows all statistics Column Configure columns Opens the window where it is possible to activate deactivate channels and show hide statistics _ 44 M570 series oscilloscope User s Guide 7 Perfor
46. ms lus 100ns 20 48ms 20ns SOMHz 9 yes 4 096ms 2us 200ns 40 96ms 40ns 25MHz 15 yes 409 6ms 200us 20us 4 096s Aus 250kHz 16 yes l 024s 500us SOus 10 24s 10us 100kHz 18 yes 4 096s 200us 40 96s 40us 25kHz Table 7 7 1 M574 timebase ranges AT M570 series oscilloscope User s Guide 8 Saved data format 8 1 esb format The data in the esb format are saved in binary form without compression The file consists of the information block The format of the block depends on its type Following eight types are defined integer integer floating point double integer array intarray boolean array boolarray floating point array doublearray fixed length integer array fintarray boolean boolean acquired data acqdata 8 1 1 Block structure Each block starts with 8 bytes which determine block length in bytes 32 bit value written in the first 4 bytes and information about block contents 32 bit value written in the last 4 bytes In case the block contains the information which the application doesn t need application can skip this block by using the known block length Block structure is following Integer block length 12 Double block length 16 floating point value double IntArray block information array array length array length code length n 2 n contents Array length and array length 2 must be the same In case they are not
47. ols a iese see Ge see eg ed ee di Gee see ed 23 Fig 4 9 3 After trigger amount controls ss 23 Eie 4 9 4 HOId OF COMO llo 24 Ei AO IERE CONOS iio iii 24 Fig 4 Vila Vertical Shirt controls ari 25 Fis 4 12 1 Si enal source CONE ONS es AE ER N eN eie ek N ee 25 Eis 4 13 Je Channel torna si N Re ES Ge SE AE OR Ge Be ne 26 Fig 4 14 1 1 Options Wind OW vss Eed ii 27 Fig 4 14 2 1 Manage exports WINGO Wir sve ve Re manette de Ge ee Re 28 Fig 4 5 1 Speeial functions ontrols Hs Mens 29 Pis li spent Mana ser WNdo Wace ise 31 A a A a A E DE Ge Ie 32 Fig 5 1 5 Listol available OD Ec cc 32 Fig 5 1 1 1 Specify Layout Name Window 33 Eie 1 2 1 Tay out Manacer WNdo W es ld 34 Fis 6 8 s X y TUNCUOM WINGO Wise 36 Figure 6 9 1 Fourier transformation window 37 ErStire 0 9 2 Status pal as 38 Figure 6 9 3 Information about harmonic selected by cursor oooooooccnncnonnnnnnnos 38 FISTIE 0 9 4 35 CE CM COMO Sut titan caw alas SE N ER GE ED GE ae 39 Figire 6 922 1 Complex filter Window siem ER ES DE ra 41 Figure 6 9 2 2 Selected frequency COMTOIS iii 42 Pisute 6 9 2 5 Prequencies CONILOIS uan dE 42 Figure 6 9 2 4 New frequency Window ss 42 Figure 6 11 1 Waveform parameters window 43 Table 7 1 1 Vertieal detle tioi Syste M EE EE Aae 45 able 152 LEE ERNS da den nn in dde nie 45 Table 7 3 1 Data acquisition Sta ii oca 46 Table 14 1 Compensation generar arias 46 AAS
48. rt data according to new definitions 4 15 Special functions controls The special functions controls are located in the lower left corner of the main window Specials HU a AE e bb al 2 a DB al vi a VE al Sy a HE Fig 4 15 1 Special functions controls Two function types exist 1 Transformation functions which display result on the main screen using virtual channel These have blue color 2 Other functions which doesn t display result on the main screen These have green color Click one of the transformation function button to half activate it After click on the desired virtual channel the function is fully activated and the results are displayed with the color of the selected virtual channel Click one of the other function button to activate it _29 M570 series oscilloscope User s Guide You can find special functions description in chapter 6 sa M570 series oscilloscope User s Guide 5 Other functions 5 1 Print Support To open the print manager window click the Print item of the main menu oI x File Layout Layout A4 Landscape Wide Screen Timebaze settings Channel A Information Channel B Information C Free test 1 HE N EE SEE EE ENE RE EE ME SERE ETE TE OE GE Te Free text 2 Object into Name Main screen Position 13mm 10mtm Size rimm xl drr Rect 1310264169 mm Fig 5 1 1 Print Manager Window On the left s
49. settings and settings from the data file are same Yellow the actual settings differs from the settings from the data file in some parameters but the range and timebase settings are same Red the actual settings differs from the settings from the data file in range or timebase settings The save controls are located in the panel bottom Lave O Fig 4 5 3 Save controls The name of target file has to be inserted into the upper edit box Click B to browse for the file Click Save button to save data The indicator by the edit box turns green on successful save TIP If the filename ends with the number this number can be automatically incremented on the successful save this feature can be turned on off through main menu 4 6 Zoom controls The zoom controls are located in the bottom of the main window Fig 4 6 1 Zoom controls Click top button to activate deactivate zoom _20 M570 series oscilloscope User s Guide TIP While scrolling the scrollbar the one under the main screen with zoom deactivated two violet lines are drawn on the screen These lines determine the part of waveform displayed with activated zoom change zoom factor If there are more than 500 samples displayed on the screen one displayed sample has to be calculated out of more than one measured sample The samples are then displayed as follows in this case If the te button is activated the displayed sample
50. t of the main window rip Le de Fig 4 12 1 Signal source controls Channel A controls are located in the left channel B controls are located in the right 1 1 1 10 1 100 or 1 1000 probe attenuation ratio WARNING Selection of improper probe attenuation ration may result in wrong information about voltages Click or Nal to select coupling Click Le to ground input _95 M570 series oscilloscope User s Guide 4 13 Channel information The channel information are displayed in the top of the main window Channel A information are located in the left channel B information are located in the right Fig 4 13 1 Channel information Following information are displayed W information about coupling and probe attenuation ratio range F voltage between horizontal cursor 1 and OV this information is not displayed when coupling is set to AC voltage between horizontal cursor and 2 WARNING If the improper probe attenuation is set the information will be inaccurate U t minimum and maximum in case more than one sample is displayed on one point of the screen voltage between OV and the intersection of vertical cursor l and waveform trigger threshold voltage A ratio of the peak peak voltage of the waveform on the screen and the voltage between horizontal cursors in decibels 4 14 Main menu The main menu is located in the top of the ma
51. t that can be specified by the user are available objects Free text 1 and Free text 2 Double clicking any of these objects opens a dialog window to insert the text to be displayed It is possible to select automatic layout and predefined schemes of object display in the Layout combo box Choosing the Custom item does not affect the current layout WARNING In the Layout combo box only the layouts available for the current paper size are shown It is possible to save a modified layout under the current name choosing the Layout Save layout item of the main menu of this window To save it under a different name choose Layout Save layout as A dialog box will appear to insert the name for the new layout Following are the other items Layout menu consists of Layout Manage layouts Opens the Layout manager window File Printer setup Opens the printer settings window 30 M570 series oscilloscope User s Guide File Print Prints the page File Close Terminates the print manager 5 1 1 Setting the name of a new layout To open the Specify layout name dialog window select the Layout Save layout as item Now you can enter the name of the new scheme SIEK New layout R Landscape MyOwn Existing layouts 54 Landscape full screen Ad Landscape tall screen Ad Landscape wide screen Ad Portrait full screen Ad Portrait tall scre
52. the application starts The controls in this window allows you to use most of the oscilloscope functions de M574 oscilloscope Zz ioj x File Settings Help Moci F 606 Wid E 535 7162 A 53d AB Moci F 1 384 7 N A A 7 9 dB U 3 875v 4 LI 500mwsd E 1344 Lls2 125 2 174 Trigger mode Trigae a IT 160usdd Primary Secondary Hold aff Z 34 847ms tuto lt a Vad Ts H 950 dus TGD 12 AE dd Hi 1 052kHz IN Hold a ANLE p Simple Y Fig 4 1 Main window All controls connected to one of the channels have channel color TIP The channel color can be changed in main menu 4 1 Oscilloscope screen The oscilloscope screen is located in the middle of the main window 16 M570 series oscilloscope User s Guide Fig 4 1 1 Oscilloscope screen The oscilloscope screen is divided into 10 horizontal and 8 vertical divisions The trigger event is marked with the red triangle located in the bottom of the screen If the trigger event occured before the displayed waveform the arrow pointing left is drawn If the trigger event occured after the displayed waveform the arrow pointing right is drawn WARNING The trigger mark position can slightly differ especially when using fast timebase from the real position of the trigger event Two vertical and two horizontal cursors can be activated Vertical cursors have red
53. the information If the sampling mode is activated the ull is displayed with two rectangles reflecting the amount of samples acquired left rectangle represents channel A right one represents channel B red less than 50 samples are acquired yellow more than 50 but less than 100 samples are acquired green 100 samples are acquired 4 8 Trigger mode controls The trigger mode controls are located in the bottom of the main window Trigger mode Auto EN O TGD 1 2 Hold el Simple Fig 4 8 1 Trigger mode controls Click button on the top left corner to switch between following trigger modes Normal It produces sweep only when the trigger signal meets the threshold level and slope criteria Auto Measurement if repeatedly triggered If the trigger event does not occur before timeout the sweep free runs without the trigger signal otherwise it is triggered by trigger Single Single measurement Starts by clicking on the a button Sweep is produced only when trigger signal meets the threshold level and slope criteria Manual Single measurement Starts by clicking on the N button weep is produced regardless the trigger signal The TGD indicator reflects the measurement state by changing its color red the measurement has started but the trigger event has not occured yet yellow the measurement has started trigger conditions met but the d
54. tion of the trigger position settable from 1024 to 1048576 1M samples for each channel mode Time base range using 625 ps d to 204 8 s d different ZOOM modes 0 01 to 100ns d 0 5 for 50ns d to 5 ns d Real time sampling 500 Hz to 100 MHz frequency Equivalent sampling 500 Hz to 10 GHz frequency Display range with respect 1048576 samples before and 1048576 samples after trig to trigger event event in length of 1048576 samples Table 7 3 1 Data acquisition system 7 4 Probe compensation generator BNC together with External trigger input Output impedance 1 kOhm to parallel with 10nF and approx 50 Ohm serial Pulse with 1 1 duty cycle 1465 Hz Output voltage no load 3 3V 5 Table 7 4 1 Compensation generator 7 5 Power USB interface via USB cable USB1 1 350mA USB2 0 450mA Table 7 5 1 Power 7 6 Mechanical characteristics Dimensions without feet 165 x 111 x 35 mm and connectors Dimensions with feet and 182 x 111 x 39 mm connectors 520 g Table 7 6 1 Mechanical characteristics 7 7 M574 timebase ranges No REAL Max SAMP SAMP TIME ACQ PERIOD FREQ TIME 40 96us _ 46 M570 series oscilloscope User s Guide 4 no 1024us SOns Sns 102 4ms In 1GHz 5 no 204 8us 100ns 10ns 2 048ms 2n 500MHz 6 no 409 6us 200ns 20ns 4 096ms Ans 250MHz 7 yes 1 024ms 500ns 50ns 10 24ms 10ns 100MHz_ 8 yes 2048
55. use DFT on both transformations inverse fourier transformation and fourier transformation Filter FFT Quality Normal Sets normal quality of the inverse FFT Filter FFT Quality High Sets high quality of the inverse FFT Filter FFT Quality Very high Sets very high quality of the inverse FFT WARNING Inverse FFT quality settings affect only inverse fourier transformation Change parameters of the fourier transformation to eliminate errors caused by the fourier transformation Filter Configure complex filter Opens the configure complex filter window 6 9 2 Complex filter window The complex filter window is opened after click on the main menu item x Selected frequency Frequency 100Hz Left 4006 dec Right 2006 dec hd Level 20 Controls Add freq Remove freq OF Cancel Figure 6 9 2 1 Complex filter window The filter graph is displayed in the left part of the window Cut frequencies are marked by a cross or square Software composes real filter from RC filters with specified cut frequencies Real filter is displayed in green Cut frequency marked by cross has its level fixed Other frequencies levels marked by square are calculated from fixed frequency level Click cross or square to selected cut frequency Selected cut frequency is displayed in red The selected frequency controls are located in right of the window _4 M

M570 series oscilloscope User's Guide Version 1.02

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