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GageScope - Egmont Instruments

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1. File View Capture Tools Window Help ls w s sleoexile tr 2 aQlzne l fe Am fat foo Og ee POH Mm AAI s etis T ee l Mii MMi P E 2125 Trigger Depth Totat 128 k Smpl Fine General Settings Timebase Channel Na al Averaging Trace Drawing Count 4 Average I thuhen PreTrig T Auto 4294967 29 sua chor Stat 0 Cdd Running PostTrig 4096 4 MulRec 31 Al Depth i024 Rec h Reset CS2125 S CS2125 YT1 oS l E Ch 01 la Ch 03 Note that although the record length is 4096 yet the length of the average channel is being chosen as 1024 CoAdding Multiple Record Acquisitions 14 A single multiple record acquisition can be CoAdded a specific number of times Select the CoAdd radio button to activate this feature while in the Multiple Record Mode Remember that Multiple Record Mode is selected via the System Control Averaging Trace Drawing Stark E Codd M mirin Depth 1024 TInt results Reset o gt All 4 Ch Ch 3 pe pe eee 2 A single multiple record on channel is being CoAdded 4 times GageScope 243 GageScope Professional edition Iaf x File View Capture Tools Window Help la alela sB sanle t 2 aQ RNe fo fe da fa ia al o Su lA 4 l Sfevts 7 8 m0 E ee Into View
2. No Programming Required Works Out of the Box GageScope brings all the advantages of the Pentium processor Windows operating system and the Internet to the CompuScope and CompuGen cards without requiring the user to write a single line of programming code or draw diagrams It works straight out of the box Automatic Detection of CompuScope or CompuGen Cards GageScope automatically detects the presence of CompuScope and CompuGen Cards in the system bringing true Plug n Play functionality to the Test and Measurement user Simple Interface Complete Control Change such settings as sample rate trigger depth timebase input range and so on with a click of the mouse All options are viewable onscreen instead of in menus and dialog boxes Dynamic Display Adjustments made to any GageScope settings are automatically reflected in the Display Window Change the sample rate channel mode timebase vertical scale and other settings on the fly Zoom In and Out to Fully Utilize Deep Acquisition Memory Deep memory acquisition really comes to life with zooming capability of GageScope You can view the entire record click on the Zoom tool select the portion of the signal that is of interest to you and zoom in Completely painless Scroll Through the Signal Using Familiar Windows Scroll Bars Now you don t have to scroll through large sets of data using a slow and ineffective scroll knob on a traditional DSO You can use standard W
3. cee 254 Mean Into View vsitic iiccnsseshaccadeslonaces 253 Mean display method 187 191 Menus and Toolbars 43 44 86 IMGT OG oriee A 187 191 Minimum InfoView ccccceeee 254 MinMax display method 187 191 Multiple Record 00000eeeee 91 128 and Averaging s s s 171 236 N Negative Duty InfoView 0 254 Negative Overshoot Info View 254 342 Negative Width Info View 253 No Instruments Detected 0 0 00000 32 Num Cycles InfoView c0006 254 O One Shot Capture command 65 Out Ol Tab Filtet oionn 146 Out 01 Tab Gain 0 aoieeennseneeeesseenese 143 Out 01 Tab Offset eee 145 Out 01 Tab Source eee eeeeee 141 Overdraw Mode command 90 P Parameters aicen aaoaenceasontats acest 216 Pattern TTS SCL 35 ceccccnpecnctintsterasacxsees 114 PC Based Instruments 0 cece eee 276 Peak to Peak InfoView c008 253 Period InfoView ccceeeeeeeeeeeeees 253 PP CESIS CNC sae cases dance iaccencnapeaeutontiausseses 154 Polarization oionn 188 189 POSO ed acecatnsosceakousaao ones 184 Positive Duty InfoView 6 254 Positive Overshoot Info View 254 Positive Width Info View 0 253 Preferences command ceeee cece 80 Pre trigger Depth 000000000s0os00000s00000 123
4. 3 52 u Expand f i 1 1545 Collapse Hoel RiseT 1 12 u5 1 76 u5 H a 1 7545 50 ra BNF Ba BA Peak 460 94 mi ia 4 etfs watent GageScope 249 Method and Reference Settings When calculating certain parameters the Waveform Parameters tool relies on the Reference and Method settings located in the Parameters dialog Hew Parameter Meth og settings oP Reference Settings Method MinMax References High jo eS Midde 50 RA lt Low fo RS Select All Deselect All g One Channel cae For information on how particular parameters are affected by these settings see About the Parameters on page 252 Not all parameters make use of these settings 250 GageScope The Method Setting The options for Method are MinMax and Histogram To change the Method setting select a value from the drop down menu The default is MinMax The Histogram Method is preferred for pulse based signals such as digital logic CMOS TTL ECL etc The MinMax Method is preferred for other signals such as sine waves The Reference Settings The reference settings High Middle and Low are used to determine the High Level Middle Level and Low Level when calculating certain time parameters For example the Rise Time is the length of time for a signal s rising edge to go from the low level to the high level To change the Reference settings click on the Increment
5. e If you are using a CompuScope card that requires a mezzanine power cable is that power cable connected How can I easily find the settings I want to change If you are looking for a particular feature you can always search the online help Click on the Help menu then Help Topics then on the Find tab I pressed the One Shot button but GageScope acts as if I had clicked on Stop In Continuous mode GageScope looks for a trigger event performs a capture then rearms the CompuScope card for another trigger In One Shot mode GageScope looks for a trigger event performs a capture then stops If a trigger situation existed the moment you clicked on the One Shot button GageScope performs a capture immediately then stops This could happen so quickly it may look like it went directly to Stop Q The sample rates I have on my screen don t match what s in the manual A The available sample rates and other settings depend on the model of CompuScope card The manual was written using a CompuScope 2125 which has a maximum sample rate of 250 MS s in single channel mode If you have a CompuScope 8012A the maximum sample rate in single channel mode is 100 MS s GageScope 271 My card is supposed to have a maximum sample rate of 100 MS s The maximum in the sample rate list is 50 MS s You are in dual channel mode In dual channel mode the maximum sample rate is half that of single channel mode To resolve this pr
6. Allan by stare Format Color J C Align by trigger Ag Alja Chol pa Ch 03 rF al Pattern Pd C 2125 tad Notes This setting can also be specified via the Preferences dialog in the Tools Menu See page 80 GageScope 199 Channel Control AWG Input Tab Duration The duration settings are located in the AWG Input tab of the Channel Control AWG Input Trace Drawing H 1600 sinf 0 0001 es 0 01 Ampl 2 fi 00 Offset 2 jo o l S Cho The duration setting refers to the total length in Samples of the signal being created The current setup shows that the duration of the signal under creation is 1600 Samples Refer to the Tutorial section of this guide for further details GageScope 200 Channel Control AWG Input Tab Equation The equation settings are located in the AWG Input tab of the Channel Control AWG Input Trace Drawing Equation 1 1600 ain 0 0001 0 01 Ampl 2 fi 00 Offset 2 lo Ao Al amp Choa You can enter or modify the equation to be created using the setting in the AWG Input control You can observe that the equation for a sine function appears in the equation text box Refer to the Tutorial section of this manual for further detail on entering or modifying equations to create user defined signals for arbitrary waveform generation GageScope 201 Channel Control AWG Input Tab Ampl The Amplitude Amp settings a
7. Bs AB My Compute Be Irterret Explore E E Meterik Menghbvesthosced B Inctnaterd Manager i L P Bered mnstrumertation af Systemt gt System ey Recycle Bin g bip Bnelctse You can see that the CompuScope card CS8500 present in the system has 2 MegaSamples of onboard memory Note that the CS8500 configuration settings are saved as shown in the Status field In case the Status field does not show Saved click on Save configuration icon from the toolbar or the drop down Gage menu GageScope 281 67 68 282 Follow the same procedure for the CompuGen card to view and save the configuration settings for that card Double click on System2 to view the System2 configuration as follows Ea Exploring System Ee Mew Go Favortes Took Gage Hep e a fF F u Back 7 7 Up Add a new Bene Save cusent Sawa all haf DDT ete pi i ear eici spem tytteetct ED i Aches a Spitama gt l Folders ladder Memory Bane Memory Size a Detktop Oh 000 B12 ks EJ My Computer fe Irira Explores Gel amg Meberovk Meaghienthecced E Instrumernd Manager PC Based nsinumertstion Systemt T Recycle Eri E My Briefcase You can view the configurations settings for a single CompuGen card CG1100 present in your PC Click on Save configuration icon from the toolbar or the drop down Gage menu For the PC based resources the available fields in the right pane are Board Name I
8. Math Channel Performs basic mathematical operations of addition substraction multiplication and division Refer to discussion on page 72 for further details on this option AutoSave Playback This command brings up the AutoSave Playback dialog which allows you to locate the previously saved AutoSave records on your system as well as the channels to be played back See AutoSave tool on page 218 for more details SubChannel Subchanneling allows part of signal to be extracted based on a certain feature of interest Refer to Channel Control Section on page 163 and the Tutorial section for detailed discussion on Subchannel Average Channel Acquired signals can be averaged using the Average Channel feature using several methods See Averaging tool on page 231 for more details GageScope 2 To use the waveform parameter feature of GageScope click on Parameter tab in New dialog box The following window appears Hew Method Minar References Hi o ka Midde 50 RA Low fo KA Select All Deselect All Cancel Parameter dialog box opens giving user options to choose from a list of signal parameters to be acquired Parameters such as Frequency Mean RMS Peak Amplitude etc can be computed automatically during signal acquisition One Channel f This feature is only partially available in the Standard Edition of GageScope Professional Edition provides full Waveform Parameter measurement capability For further
9. Status GageScope 279 280 Name Configuration File Type Status The Name appears as System1 System2 This list corresponds to the total number of Systems present in the PC A system may comprise of a single or multiple Compuscope or Compugen cards Specifies the location of the configuration file in your personal computer The configuration file is saved with ine extension in the Windows directory in your PC s local drive For example the name assigned to the configuration file will be Gagescop inc in case a CompuScope card is present in the PC For a CompuGen card present in your machine the name of the configuration file will be Gage_gen inc The type of resource e g CompuScope which refers to the Gage A D fast data acquisition card and CompuGen which is the 12 bit arbitrary waveform generator by Gage Applied Technologies Inc This field shows the Status of the configuration file Saved is displayed in the Status field whenever the system configuration has been saved Otherwise the Status field is left blank GageScope 66 Double click on System1 to view the System1 configuration as follows Ea Exploring Syrtemi Ele Wew Go Favorites Tools Gage Hep e aa x fa Back Z Roney Up Addanewe Pope Smece Savasi Upcewtivel Dow poe pi i cwd mieicicsi aem ayttennt rads Address ig Syctennt Folder 10 Adrar Memon Bate Merma Size iF Desktop PO Pr PE PnP 2Ms
10. vert Scale 1 Current Settings Scale Buttons This setting is available whether the All Channels tab or an individual channel tab is current The vertical scale of a channel is measured in terms of Volts per division a division equaling one square in the grid For more information on the grid see page 151 Changing the Scale 4 Click on the Trace tab in the Channel Control 2 To increase the scale click l This shrinks the signal e To decrease the scale click fl This makes the signal taller 182 GageScope Notes e The default vertical scale is 1V div In other words for every 1V of signal GageScope shows 1V per grid square If you increase the vertical Scale to 2V div a 1V signal displays as half of one grid square If you decrease the vertical scale to 500mV div a 1V signal displays at the height of two grid squares e If you increase the vertical scale so that the signal peaks go off screen you can use the vertical scroll bar to scroll up or down to reach the peaks Note that Input Range is not linked to the Vertical Scale setting unless you select Scope Mode We have decoupled vertical scale from the input range in order to allow you to take advantage of the high vertical resolution offered by CompuScope cards You can capture a signal with 1V range and still view it with a vertical scale of 50 mV div All digital oscilloscopes on the market are limited to 8 bit resolution and can digitiz
11. 0000000000000 97 Depth See Trigger Depth Differentiation signa 264 Display Conto l reretia 148 Background Color ccccceeeee 159 Channel List ereraa Soca 150 Grd asaan EA 151 PEESISLCNICE aenn lena Sond e 154 NAIM CD ASC E E E necmatees 149 Tile Ser Tie Vel canoer tet coed en erie t57 A AKIS nee ane eee ee een 152 LA epee meme eerie ate Weel eee er 153 ZC LINES o e nena 158 Display Window cccccceeeeeeeeeeeees 207 Display Window Context Menu 210 Display Window Shortcuts 213 Drawing Method ccceee 187 191 Dual Channel Mode cccccee 107 E Erase Display command 0066 90 GageScope Exit COMMMANG asc cecies tessa osrsaieaes 62 Extended MaI eai asasan 260 Extended Math Command 77 Bxtemal Clock osni 103 Exteel TOSET snp EG 14 F Fall Time InfoView cccceeee 253 Poa sate e N Gee G oe 9 PET Analys Sinceran 255 FET Command riranna ha 76 File Formats GageScope Binary File SIG 29 276 285 297 Eile Men eron a eee 45 PALIN CW onean ndeeaiasnaenebiatelucts 47 Rine BUUM aena 125 Force Trigger command 000008 68 Fonna esnna 193 Frequency Info View ce 253 Full Screen command 00000000e 63 G Gage WIS Serr 285 GageScope Binary File SIG board type constant 307 captured gain input ranges 305 Extended trigger time c0
12. ASC automatically 56 GageScope 5 You have the option of saving only that portion of the channel that is currently visible in the Display Window To specify this option click the Save visible portion of the channel checkbox Save Channel to File Fl x Save irr E Signal Files Til ce Ej Am_sig sig Bl Half _am sig El T oneBrst sig AmS weep sig i Her bone sig Ej Triangle sig i Chopsine sig Sawtooth ig i Dir sine sig i Sine sig Frgweep sig i SIMMS sig i Glitch sig i Sgr wave sig Save as type GageScope signal file sig Cancel Save visable SCII flej asc portion of the ae hannel check box Save visible portion of the channel 6 Move to the folder in which you wish to save the file By default GageScope will save files to the Signal Files folder Click Save Compatibility GageScope and GageScope for DOS share the same SIG file format GageScope can open SIG files saved with GageScope for DOS and vice versa Neither GageScope nor GageScope for DOS can read an ASCII file This format should be used for export purposes only GageScope 57 File Print Setup Print Setup allows you to change the orientation of the paper and other settings How it Works 4 Choose Print Setup from the File menu The Print Setup dialog appears 2 To change the orientation of the paper click on the Portrait or Landscape radio buttons in the Orientation are
13. About Multiple Record Multiple Record comes as a standard feature or as an option on most CompuScope cards and is not available on the CompuScope LITE If your CompuScope card does not have this capability these buttons will be disabled GageScope 91 The Multiple Record setting is located in the Depth tab of the System Control C8500 Trigger Depth Fine i fioo ms Total g csao je For more information on this topic see Multiple Record on page 128 Multiple Record Currently Disabled 92 GageScope Toolbar Cursor Buttons Fal 2 eas 70 eB Cursor 1 Cursor 2 Track Mode SH 2 As BDDK F fe Aan Jat foo By tle P Si oid h OG Cursors allow the user to measure the difference between two locations on the same signal or on different signals Enabling Cursors Cursors are disabled by default To enable a cursor click on either the Cursor 1 or Cursor 2 buttons in the Toolbar Once a cursor is enabled a cursor represented by a small box riding on the waveform appears on channel 1 and is positioned halfway between the center line and left Cursor 1 or right Cursor 2 edge of the display GageScope 93 Moving Cursors 1 Click on one of the cursor buttons 7 to enable a cursor if you have not already done SO GageScope Professional edition File View Capture Tools Window Help e S eo BD AlE F AQAA AN ee du fr SS 4 gt DI IM ek ls sue
14. Display Settings Timebase 5 us d Channels Shown All channels visible A CompuScope channel that is not connected to a signal will display as a flat line Persistence Off Grid On X Y Axis On Zero Lines On 34 GageScope Uninstalling GageScope GageScope is equipped with a special uninstall program allowing you to uninstall all components at once To uninstall simply follow these steps 1 In your Windows Start menu select Settings gt Control Panel 2 Double click on Add Remove Programs B Cocteol Panel Control Panel Add Remove Programs ia 3 Sets up programs and creates Fonts c Gore Modems Mousie shortcuts ontrolers Mutrreda Network Patoreceds Power Porters Regonal ours Management emt gt X E gt Speien Telephony Use Sets up progami and creates shomcuts 1E My Computer GageScope 35 3 The Add Remove Program Properties dialog box will appear In the list of programs select GageScope Click Add Remove 36 GageScope 4 The Select Components dialog will appear m Select Components You have the option to either reinstall the GageScope program or completely remove it from your system 5 To completely uninstall all installed GageScope components select RemoveAll from the Select Components screen Select Components Click Next GageScope 37 38 All components will be uninstalled as soon as you confirm by clicking OK In
15. Print CoOmMANA ee itaate ditaan 59 Print Preview command eeee sees 60 COOP DIME NG cess strescees en deleegemeeaieens 60 Print Setup command 00e 58 POD a nen en ee mes te Ce ae ee 177 178 Q Quitting GSWIN i cccceeeeeeeeeeeeees 62 R Ready message in Status Bar 215 RAH toi AC oe ee ee ce ee eee 39 Menus and Toolbars ce cece eeeecceeeeees 86 Rise Time InfoView 0000000000000000 253 RMS Info VIEW ictsidatine ina Suearind teste dee 253 GageScope S Sample Rale enii 102 Save Channel command cccc 54 Save Setup command c eee 45 Setups Boddi caveauecee tt Seto ssce tin tee eta t eee 46 VE VMN Oto csc see a ees mtn eect otaes etal cals 45 SHO CUT ec o 213 SIG file format 29 276 285 297 IOAN srein aS See Channels Single Channel Mode cccccceee 107 110 ene a OE 111 SPECINICAONS cirar E EEA 12 Split Mulrec Option ccccccceeeeeeees 133 SaS DAR eana eee ee 85 215 Stop commands datearre einini enei 67 Stop message in Status Bar 219 UDC MANNE Mosina a 74 Subchannel Tab End 164 Subchannel Tab Offset 167 Subchannel Tab Reference 165 SuperRes Mode ceccceceeeeeeees 99 108 Supported CompuScope Cards 13 System Control eeceeeeeeeeees 100 Acquisitions anonses 163 169 Acquisitions Counter cc0000seeeeeee 170 Aut Norm
16. and the mouse pointer will change to a drag pointer 2 Hold down the mouse button 3 Move the mouse up or down 184 GageScope Notes e Ifyou have one channel available upon startup GageScope places this channel at 0 0 divisions in other words on the X Axis If you have two channels available at startup GageScope places channel 1 at 2 0 divisions and channel 2 at 2 0 divisions To re arrange the position of all channels quickly use the Arrange Channels button in the toolbar Arrange Channels La Qals M oP esine H ama S M al As Bsn k 7 f u Jat fog So ia e SUI ld HG GageScope 185 Channel Control Trace Tab Connect Dots The Connect Dots button is located in the Trace tab of the Channel Control CS Input Trace ro Scale itis ts Ea K il pzz Bai akizi Connect Dots 500 mY Method Enabled stan Mee ESSE EEE EE ee ee ee all 55 Chol gt Chie This setting is available only if the All Channels tab is current If an individual channel tab is current the Connect Dots setting appears under the Drawing tab By default GageScope draws a line between each sample point in order to display a continuous waveform To have GageScope display as single points you can turn off the Connect Dots setting Toggling the Connect Dots Button 4 Click on the Trace tab of the Channel Control make sure the All Channels tab is current 2 Click on the Connect Dots button to toggle thi
17. der Ful ah elec Trigger sensitivity oe auil i Love reer Cancel 3 Now you can proceed as described in Modifying an Existing Trigger Source above e Ifyou have already created two independent triggers and you attempt to add a third you will not be able to select a Trigger Source the drop down menu will be blank On CompuScopes that support multiple independent triggers you cannot set more than two trigger sources Removing a Trigger Source 4 Inthe Advanced Trigger Configuration Dialog highlight the trigger source you wish to delete and click Remove Advanced Trigger Configuration E4 Slope Source Level Bandwidth Add J Ch 01 0 00 Full default Modity Rergve Cancel 120 GageScope 2 The trigger source will disappear from the list Advanced Trigger Configuration Exiting the Trigger Pattern Configuration 3 To return to the regular Trigger tab click on the Pattern button so that it is no longer pressed in GageScope 121 System Control Depth Tab Total The Depth Total is located in the Depth tab of the System Control CSe500 Trigger Depth Total GOrrboard tana 2M Smp Fine i Orina a Auto 100ms i C 5 sin cial PostT rig 4096 4 MulRec Card The Total field displays the total amount of on board memory available on the CompuScope card This value represents the maximum number of samples that can be captured at one ti
18. e To close a Display Window click on the small x at the top right of the window e You cannot close the last open window GageScope 85 Toolbar Commands The following pages contain descriptions of commands found only in the toolbar and not in any menu To quickly find out what a toolbar button does position the mouse pointer over a button a tool tip will appear with a description of the button 86 GageScope Toolbar Trigger Align Buttons Trigger Center Trig ger Left Trig ger Right ho T sa alas Eosi t MRalAN s e d Ja foo Sg e SH oA KS febi AB The trigger align buttons automatically repositions the contents of the Display Window so that the trigger marker is either at the left center or right e The Trigger Left Align button positions the trigger marker to the left of the Display Window e The Trigger Center Align button positions the trigger marker to the center of the Display Window e The Trigger Right Align button positions the trigger marker to the right of the Display Window GageScope 87 Toolbar Zoom In Zoom Out f oom in oor Out S M al As BDs Kzl k 7 fe da fat io Oy la e So IM mla YY AARAA lsat H ama The zoom tools allow you to magnify or demagnify an area of the Display Window This allows for inspection of particular parts of a waveform Zoom In The Zoom In tool i magnifies the area you select To use this tool 1 Click on the Zoom I
19. inside the C Gage GageScope folder 32 GageScope Default Settings In order to display a signal immediately upon startup GageScope assumes certain defaults when it is run for the first time Subsequent sessions will set the CompuScope and CompuGen hardware to the same settings that were in use when the previous session was closed The defaults for the first session are CompuScope Card Settings Capture Mode Channel Mode Sample Rate SuperRes Mode Trigger Settings Trigger Trigger Level Timeout Slope Pre trigger depth Post trigger depth Channel Settings Identification Colors Input Range Position Vertical Scale Method Trace Impedance Probe GageScope Continuous Dual if two channels are available Maximum allowed by your CompuScope Off Set to channel 1 0 mV 10 ms Positive 4096 Samples if available 4096 Samples if available Channel A of the CompuScope is channel 1 Channel B of the CompuScope is channel 2 Channel 1 set to yellow channel 2 set to green All channels set to 1V 2V for CS1016 Depends on the number of channels If there are two channels channel 1 is displayed in the top half of the Display Window and channel 2 is displayed in the bottom half If there is only one channel it is displayed in the middle of the Display Window All channels set to 1 Volt per division Min Max Connect Dots 1 MOhm if the CompuScope allows it X1 33
20. tik oe oon eee eee eee EA Time Zero Pre trigger data i Post trigger data You may notice that the level of the signal at the trigger line is slightly higher than the level set by you This is because of trigger hysterisys implemented on CompuScopes which protects against triggering on simple electronic noise Hysteris yS MA BR M A N AA OAA OBG BBA OBG OBG OR OR O A R MN N MN ttt L ingger eye ETT seee oocnmene Signal Trigger 112 GageScope In the Display Window the trigger level is represented by a slope icon to the far left of a channel with a dashed horizontal line connected to it The current trigger level value is shown in the Trigger tab next to the Level button By default the trigger level is set to the zero line of channel 1 Raising or Lowering the Trigger Level e To raise or lower the trigger level directly in the Display Window drag the slope icon up or down e You can also drag the slider located in the Trigger tab Resetting the Trigger Level to Zero e To quickly reset the trigger level to 0 mV click on the Level button GageScope 113 System Control Trigger Tab Pattern The Pattern setting is located in the Trigger tab of the System Control C 2125 Trigger Depth Ea Pattern Fatter Button The Trigger Pattern allows configuration of multiple independent triggers Trigger source slope and level can be modified and trigger sources may be
21. 209 Display Window Context Menu Several of the general display options such as channel visibility and full screen view are located in the Display context menu 12 Position the mouse pointer on an empty area of the Display Window not on a channel or other item 13 Click with the right mouse button to bring up the Display context menu w Grid ero Line W rigger Line w Lett Bar w Status Bar Color Full Screen Cut Copy Note that few options are disabled depending on GageScope settings 14 Click on a command using the left mouse button 210 GageScope Options New Math Channel Load Channel Arrange Traces Ch 1 Ch 2 Grid Zero Line Trigger Line Left Bar Status Bar Color gt Background Color gt Grid Full Screen Cut Copy Paste GageScope Creates a new channel by combining other channels mathematically This is equivalent to creating a channel via the Math command in the Tools menu This is equivalent to loading a channel via the Load Channel command in the File menu Rearranges the visible channels in the Display Window in order of channel number This is equivalent to clicking on the Arrange Traces button in the toolbar Hides or shows a channel This is equivalent to hiding a channel via the Channel List in the General tab of the Display Control Hides or shows the Grid Zero Line or Trigger Line This is equivalent to hiding these display elements via the Settings ta
22. AWG capabilities of GageScope Click on the Waveform drop down button to view the list of available standard signals as follows AWG Input Trace Drawing Waveform Sine Duty 22 50 Square Triangle Ampl 2 110 o gt All S Choa Click on the desired waveform to be selected for generation The generation process is discussed in the System Control section on page 139 204 GageScope Channel Control AWG Input Tab Duty The duty settings are located in the AWG Input tab of the Channel Control AMG Input Trace Drawing Wi avehorm Duty 2 50 5 Samples 1600 Ampl 2 100 Offset 4 0 E aan a Ch 04 j The Duty setting provides a means for specifying the duty cycle for the signal to be created and later generated Note that the number entered in the duty cycle text box is a certain percentage of the total number of samples in the cycle The total number of samples is specified in the Samples text box In the example above a duty cycle of 50 is desired The total number of samples in the cycle is given to be 1600 Therefore a 50 duty cycle for a sine wave will create an evenly balanced sine wave GageScope 205 Channel Control AWG Input Tab Samples The samples settings are located in the AWG Input tab of the Channel Control AMG Input Trace Drawing Wi avehorm Duty 2 50 5 Samples 1600 Ampl 2 100 Offset AE E a5 a
23. Ase Color Y Ase Color Trigger Lines Zero Lines Back Color Persistence W Infinite CS2125 YT1 4 An Erase Display button becomes available in the toolbar when Persistence mode is turned on Overdraw Mode Erase Display Qa AM S Slee Aone SM 2a gt 8Ds xi t f Au fit foo Og IB SM I mt OG Use this button to clear the display GageScope 155 5 To disable Persistence Mode click on the Persistence field so that it reads None General Settings Arnd Color K Anis Color YY Axis Color Persistence Trigger Lines Zero Lines Back Color 156 GageScope Display Control Settings Tab Trigger Lines Button The Trigger Lines button is located in the Settings tab of the Display Control General Settings Grid Color Persistence Trigger Lines X Anis Color none Zero Lines Y Anis Calor Infinite Back Color C 2125 YT1 Trigger Lines Enabled The trigger line is shown as a dashed horizontal line with a slope icon to the far left of a channel The trigger line indicates the level the trigger signal must cross in order for a trigger event to occur By default the trigger level is set to the zero line of channel 1 To toggle this line on and off click on the Trigger Lines button The color of the Trigger Line is always set to the same color as the channel it is set to trigger on For more
24. AutoSave Setup dialog To preserve the AutoSave setup changes you have made click Apply then Cancel Make the necessary hardware changes When you re open the AutoSave Setup dialog your settings will have been retained For more information on the AutoSave tool see page 218 GageScope 71 Tools Math New Math Chann el The Math command creates a new channel by mathematically combining two existing channels How it works 1 Click on the Tools menu then click on Math Or you can click on f in the toolbar 2 When Math is clicked from the drop down menu following Channel dialog appears 72 GageScope 3 When you click on f in the toolbar the following dialog box appears fis Math channel Sub Channel 2 Average channel 4 Ineither case choose a channel from the Operand 1 drop down menu 5 Click on one of the four buttons addition subtraction multiplication division 6 Choose a channel from the Operand 2 drop down menu 7 Choose a result channel from the Result drop down menu Click OK when finished or Cancel to abort the changes GageScope 73 Tools SubChannel RARAJ elsene H 6 T SH 28 gt E x GF a f du fit fo By I p SO id y A Mew Subecha rire This command brings up the new SubChannel dialog box which allows the user to pick out a part of the signal depending on the feature of interest How it works 1 Click on the Tools menu and select Subc
25. IMPORTANT e You must now proceed to Install the Windows device drivers for your CompuScope and CompuGen card s if you have not done so prior to installing GageScope program e After installing the drivers use the Instrument Manager utility to configure these PC based cards 24 GageScope Configuring CompuScope and CompuGen Cards with Instrument Manager The Instrument Manager configures one or more CompuScope and CompuGen cards in your system It is very important to install the appropriate Windows drivers for your CompuScope or CompuGen cards before attempting to use Instrument Manager For example if you have a CompuScope 85G present in your PC you must install the PCI drivers first before using the Instrument Manager utility Refer to the CompuScope driver installation guide for step by step PCI driver installation procedure for the PCI based CompuScope cards GageScope 25 Step by step configuration procedure 26 Launch Instrument Manager from your desktop using the following sequence of left mouse clicks Start gt Explore gt Instrument Manager GaGe Click Instrument Manager Icon E to launch the Instrument Manager Explorer You can also get directly to this step by double clicking on the Instrument Manager Icon on your computer s desktop Ele View Go Favores Took Help a e fey JAddiess Bi incinnertMarage Folders x Nase T Tye a Desktop BPC Based inciumertation P
26. Index Type Size 512 ulnt8 var signal RAM image of the CompuScope memory at the time the signal file was l stored This data is in two different intl6 formats The first format is when operation mode is equal to two The data is stored contiguously as a binary See image of the saved channel s signal note storage space one half the memory depth The second format is when operation mode is equal to one The data is interleaved as a binary image of the complete signal storage space for the single channel mode full memory depth Interleaved in this example means the data is in two sections after the header The first section 1s the data that was stored in the CompuScope memory for converter A and the second section of data is the memory assigned to converter B All even addresses are in the area for converter A while the odd addresses are in the same place as the next smaller address but offset into the converter B data area In both cases the stored addresses for the signals are indexes into the data When extracting data care must be taken to wrap the pointers around at the end of the file NOTE Ifthe resolution 12 bits flag equals zero then the data is stored as unsigned 8 bit bytes Note 5 Otherwise if the resolution 12 bits flag equals one then the data is in the 12 16 bit format which is stored as 16 bit signed integers in the 12 bit mode the sampled data is sign extended to 16 bits Ga
27. Info View controls allowing the Display Window to expand to fill the screen The menus toolbar and status bar remain visible eH 2 saD E 2 f us fa fia Bg p DO i me How it works 4 Click on the Full Screen button in the toolbar or choose Full Screen from the View menu All controls are hidden and the Display Window expands to take up the remaining space 2 To return GageScope to normal click on the Full Screen button once more GageScope View Systems Displays Channels Info View Toolbar Click View on the menu bar The View submenu appears Full Screen a Systems Displays Ww Channels lt lt q Info View Toolbar These commands hide or show the System Control Display Control Channel Control InfoView Window and Toolbar A checkmark next to an item indicates that the display element is currently visible absence of a checkmark indicates that the element is hidden 64 GageScope Capture One Shot One Shot Capture RAJZRA sfin H ane S M als BDs xxl E 7 f u fa ka Oy e Son im OG In one shot mode GageScope waits for a trigger event acquires and displays the data then stops This allows for unattended one shot capture of both pre and post trigger data e To set GageScope to one shot capture select One Shot from the Capture menu or click on the One Shot button in the toolbar The capture mode is already set to one shot if there is a checkmark ne
28. InfoView Below is a sample of what the Waveform Parameters tool displays For more information on advanced analysis tools see page 217 Inia View EE Name vame vt A 1 99 y Aver 1 99 Devi 000V a EH us 156 49 KHz H i 1 8545 1 86 u5 3 11 u5 H E Post o 00 ee wWatent 216 GageScope Advanced Analysis Tools Advanced analysis tools are now an integral part of GageScope program that provide additional functionality such as measurement and display of waveform parameters Following are the analysis tools currently available NUMOS AVC aioe cessor eee cee esses eee page 218 AVeragin sical page 231 e Waveform Parameters ccccceeeeeeeseseeeeeeeeeeeees page 242 gt WET Analy siSescgceatiresas teat aateeneieea raced page 255 Extended Mati gasses Geseietaseetned Gade huieewMesteditess page 260 These advanced analysis tools are installed automatically when you install the GageScope software program To be able to exploit the maximum capabilities offered by these advanced analysis tools you should purchase the Professional Edition of GageScope The Standard Edition of GageScope also provides a selected capability of these advanced features GageScope 217 AutoSave AutoSave is a very powerful tool for data acquisition of transient signals It allows unattended data capture to disk with accurate time and date stamping of when the trigger occur
29. Start available only when a channel is loaded which does not cross the Trigger Marker e Align by Trigger available only when a channel is loaded which does not cross the Trigger Marker AWG Input Tab Page 200 e Duration e Equation e Ampl e Offset e Waveform e Duty 162 GageScope Channel Control Subchannel Tab Start The Start setting is located in the Subchannel tab of the Channel Control Subchannel Trace Drawing Start Setting Start MH End miam 7 fo l Start This setting allows the user to select an appropriate reference for the starting point of the Subchannel GageScope 163 Channel Control Subchannel Tab End The End setting is located in the Subchannel tab of the Channel Control Subchannel Trace Drawing stat i M End Setting jee End Trigger o End Allows you to select the ending point of the subchannel with respect to a selected reference 164 GageScope Channel Control Subchannel Tab Reference The reference is located in the Subchannel tab of the Channel Control Start Peference Subchannel Trace Drawing End Reference The references are available both for the Start and End This allows the user to select any portion of the acquired channel with relative ease and flexibility Following options are available from the drop down menu Sre Start is the first sample point of the source channel which can be used
30. TOP eter E E Tae eee ner 69 Capire ATMOS AVG OO Dera ak ele tes ete ns tees AE ena mead chain oe ons neem 70 Tool Mati at peace cue EE ead nao can AG Oa sa V2 rove Koper oo Gy aa 1 bot meeeere mmr tame ee nese pe gn oe eee ee ee 74 TOONS AV er ae eG Chante borari rarae EE ET E E E A eee 75 ToL EE Trida R E A E E EA A neee ats 76 Too Eae nde d Ma eeen nen eE A A A ENA Ti Tools AutOsave Play Back niiecnia aan oe ashe ee ona 78 GageScope 39 Toob Vave O PALTAMCCel a a a N 79 Tools Pror ronet Sonare a T anaeeeasades 80 Window Window Menu Commands ccccssssccccccceeceeeeeeeseeeesessnseeeeeeeceeeessseeeesssssnaaeeees 85 Toolbar Commands 86 Toolbar Trip eer Align Buttons access teossucaeoherPacuased e a E en a DEE a E aN 87 Toolbar Zoomi In ZOOM CUG eee ic Sieben a E A vee tundoun saeenteas 88 Toolbar Arrange Channels BUG Ons viataccdiasctdesPascaseteadevaedeeeadsebeneeteed de aodettelevaed deadieas eeeees 89 Toolbar Overdraw Mode and Erase Display cccccccccccceceeeeseeseeeeeeeeeeeseeeeeeeeeeeeeseeeeeees 90 Toolbar Multiple R cord Blois cigs cc vscstedtiewlvas desedslunt dai todenedsedvaansecdoaseased oe Mvind eect neawenks 91 Toolbar Cursor BUON soniers 93 Tool ar SUDCERCS MOUE riar N A A erat aeua es 99 System Control 100 System Control CS Tab Sample Bale ssi dradiastseosesassynsbaheadawtnadonnbaheataanadnesbibinctexited a 102 System Control CS Tab Extermal ClOCK seteecsaceaesdieevieatuadeiasudesusaatgaaea
31. a color in the dialog box then click OK GageScope 195 Changing the Color via the Channel Context Menu 4 Position the mouse pointer on a channel s zero line in the Display Window The channel will turn white to indicate that it has the current focus and the mouse pointer will change to a drag pointer 2 Right click to bring up the channel context menu 3 Click on Color with the left mouse button 4 Click ona color in the dialog box then click OK 196 GageScope Channel Control Trace Tab Align by Start Align by Trigger This setting is located in the Drawing tab of the Channel Control when a channel has been loaded which does not cross the Trigger Marker start or time zero Trace Drawing Method Min Max Connect Dots aS aN ao tht Be tha ic samuel fic Ren a When displaying a saved signal that does not cross the trigger marker you can specify where on the screen will that signal be displayed e Align by Start GageScope will display the signal at the Start at the Trigger Marker or time zero e Align by Trigger GageScope will display the signal at its original time position relative to time zero This is the default setting GageScope 197 How it works 5 6 Click on the appropriate Channel tab in the Channel Control Then click on the 198 When you load a channel that does not cross the Trigger Marker by default it will be Aligned at Trigger at its original time positio
32. dx 125 MS s AA chor A gt 1 of i 31 Ch 03 t Tatas Ae a AT e E AE Eee A A 1 of 31 i i k Ready M Pos 10 0us_ ij 4 4 gt ef Watch For Help press F1 C521 25 Trigger Depth General Settings Averaging Trace Drawing Timebase Totat 128 k Smo Fine ChannelNa l Count 4 C Average D MulRec Pema Df Auto 4294967 29 Ch 01 E Stat 0 J Codd M Running PostTrig 40964 MulRec 31 LAL ow Depth 1024 Reset 52125 S2125 YT1 Az l ae Ch 01 a Ch 03 e Record 1 out of the 31 records is a 1MHz sine wave with a record length of 4096 post trigger points e The peak to peak amplitude of the sine wave is 1 Volt e The length of the CoAdded signal is chosen to be 1024 e The peak to peak amplitude of the CoAdded result shown as Channel 3 is 4 Volts 244 GageScope Waveform Parameters The Waveform Parameters tool automatically calculates various voltage and time parameters of a signal such as mean amplitude and rise time In all 28 parameters are available e Mean e Positive Duty e TAA e RMS e Negative Duty e Pk Pk time e Amplitude e Positive Overshoot e Pk Thr time e Peak to Peak e Negative Overshoot e Tr Pk time e Period e Peak e Tr Thr time e Frequency e Trough e Ext Ext time e Fall Time e Top Value e Base line e Rise Time e Bottom Value e Delta Base line e Positive Width e TAAPos e Negative Width e TAANeg
33. installed The PC based cards are the CompuScope and CompuGen card s You must run the Instrument Manager utility to configure the PC based cards 12 GageScope Supported Instruments Currently supported instruments include CompuScope Cards CS85G CS82G CS8500 CS14100 CS1450 CS12100 CS1250 CS1602 CS8012A PCI CS8012 PCI CS6012 PCI CS1012 PCI CS512 PCI CS8012A CS8012 CS6012 CS1012 CS512 CS2125 CS265 CS250 CS225 CS220 CSLITE CompuGen 1100 Note For an updated list of supported instruments visit the GageScope web site at http www gagescope com GageScope System Control Settings CompuScope Cards Sample Rate ssiri Instrument dependent 5 GS s to 1 kS s Capture Modes 4 Dual or single channel if supported by your hardware Trigger Source 00000 Ch 1 Ch 2 Ext or Pattern Triggering if available Trigger Slopesiccksnies Positive or Negative Prigeer Levels cee User selectable Tieta 1 ms to unlimited Post trigger Depth 0 to 100 of CompuScope memory Pre trigger Depth 0 to 100 of CompuScope memory Depth Units sirenas Samples Multiple Record Available if supported by your CompuScope CompuGen Cards Sample Rate ccceeee Instrument dependent Output Channel Instrument dependent Trigger Source Internal or External Mode siiin Triggered Continuous or Burst DOUNCE varine a AWG Channel loaded or created withi
34. listed here consult your user s manual to see if it is equipped with a test output connector If your CompuScope card is equipped with such special options as Gated Digitization or External Clock which make use of the test output BNC connector you must use a signal generator to provide a test signal Note that the test output only works at 20 MHz or less in the CompuScope 8012A PCI CompuScope 8012A CompuScope 8012 PCI CompuScope 8012 CompuScope 6012 PCI and CompuScope 6012 Setting up the Test Signal 4 Setup an external probe to capture the test signal from the connector at the rear of the board 2 Connect the probe s BNC connector to the BNC connector of the Channel A Input at the rear of the board 3 Plug the other end of the probe into the TEST output BNC connector CompuScope LITE You do not need external probes to capture the test signal from the CSLITE since this board is equipped with an Internal Test Output GageScope 311 Glossary Aliasing Aliasing occurs when a signal is sampled at a frequency lower than twice its highest frequency component 2 fmax If this happens the resulting digital representation will be incorrect Typically the signal would appear to have a frequency very different from the actual No amount of digital filtering can correct errors induced by aliasing See Nyquist Theorem Amplitude Resolution and ENOB The A D converter used in a digitizing scheme typically has a fixed ve
35. n bit flash ADC contains 2n comparators Each comparator compares the input signal with a fixed voltage level generated by a resistor ladder The 2n outputs are encoded to an n bit word by the on chip encoder GageScope 313 Capture Modes GageScope has two capture modes Continuous and One Shot In Continuous mode GageScope repeatedly waits for a trigger event acquires and displays the data then waits for another trigger event In One Shot mode GageScope waits for a trigger event acquires and displays the data then stops This allows for unattended capture of both pre and post trigger data Channel A channel on a CompuScope card refers to the card s input connectors named Channel A and if the card 1s equipped with two channels Channel B A channel in GageScope refers to any one of the waveforms available for processing whether they originated from a CompuScope card a channel file or a mathematical formula Channel Mode Most but not all CompuScope cards are equipped with two input channels Dual channel mode refers to having access to both channels at the same time for data acquisition Single channel mode refers to shutting off the second channel and acquiring data only from the first channel The advantage of single channel mode is that the sample rate 1s twice that of dual channel mode For example the CS8012A can sample at 50 MS s in dual channel mode and 100 MS s in single channel mode Contin
36. ome 125 MS s chor A Ready E A For Help press F1 2125 Trigger Depth Sample rate 125 MS s x Timebase L Channel Na ii 1 us d Ch 01 nE Single Dual ECE i n2 m ceia ada Ch 02 e C 2125 fd CS2125 YT1 CS Input Trace Vert Scale ka mjs es j Connect Dats Invert Method Min Max 94 GageScope 2 Position the mouse pointer somewhere on the cursor line The pointer should change to a drag pointer Note You do not have to be on the small box anywhere on the line will do EJ GageScope Professional edition ay x Eile View Capture Tools Window Help a 2B S on Gt 3 F Me fat foo Oa IH b ON SeA e 125 MS s chor A gt zo vE T E en rr Ch 02 Ready M Pos 0 0 s 9 20 us 523 my C 2125 Trigger Depth CS Input Sample rate 125 MSs SuperRes Single Dual r PBbit TEEN General Settings m Timebase Channel Na Ah M gt Ch 02 fd C 2125 YT1 Trace Vert Scale Trace Connect Dots Inver Ere Method Min Max z 82125 Ih Watcht A For Help press F1 Ee e ee GageScope Professional edition If x Ele View aes Tools Window Help e Ma be SN I b S I I4 Do iE 7 k fe Info View gt xj 125 MS s chor A C 212
37. on Gage Menu and select Remove card command System1 will be deleted and you will see only System2 in the right pane GageScope 291 6 System Options Set Mode Set Mode Option specifies whether a card is to be used in an independent unit or part of a Master Slave system As implied by independent a Gage data acquisition card is to be used as a single card contrary to the Master Slave Mode in which two or more Gage cards are set up as a multi channel system Click Set Mode to select either of the two options depending on the boards in your system Compugen Driver Compuscope Driver Add card Remove card Set mode Independant Verty System W Masher Slave Save system Add system Remove system Verity all systems Save all systems 7 Verify System Once the new cards are configured properly these need to be verified for proper operation Click Verify System to make sure that the newly installed card s are verified Save System Save System command allows the Gage system configuration to be saved in the Windows directory as a GageScop inc or Gage_gen inc file 292 GageScope GageScope Add System Add System command allows you to add two or more Compuscope or Compugen cards cards to your system Click on Add System to view the two options Select either of the two depending on the type of card you are trying to install Compugen Driver Compuscope Driver Add card Remove card S
38. signal is then recreated in software with a guarantee that no transient event which satisfied the Nyquist Criterion has been missed See Equivalent Time Sampling Record Length The total amount of data that can be stored in a CompuScope card s on board memory measured in units of time Record Length 1s defined as On board Memory Depth samples Sample Rate MS s For example a CS250 with 32K memory sampling at 100 MS s provides a record length of 32 768 bytes 100 000 000 8 bit samples second 32 768 bytes 100 000 000 bytes second 32 768 100 000 000 seconds 327 6 microseconds See Memory Depth and Sample Rate 320 GageScope Sample Rate The sample rate is the number of times per second analog signals are converted to digital signals The sample rate is measured in Megasamples per Second MS s The timing is controlled by an internal or external clock See also Record Length and Memory Depth Samples A sample is a single value measured in Volts converted at a single point in time from an analog signal A sample is also referred to a sample point or a point Note that the terms samples and bytes or megasamples and megabytes cannot be used interchangeably Although it is true that a sample acquired through an 8 bit CompuScope card takes up 1 byte a sample acquired through a 12 bit card such as the CS8012 or 16 bit card such as the CS1016 takes up 2 bytes Furthermore a megasample is equal to 1 000 0
39. the toolbar eH 2 As BDH AlL T IRA RA fe da fut aa b SH ie i HA Slabs e Align All Records to 0 Go To Next Record Begin Playback Go To Previous Record Continuous Playback Pause Playback Note that the toolbar buttons will always cycle through all channels at once 2 You can also use the Record Increment Decrement buttons on the Trace tab of the Channel Control CS Input Trace Trace Connect Gots Method Vert Scale So All fo Chi je Ch2 With these buttons you can cycle through the records of all channels at once if the All Channels tab is current or through the records of individual channels if an individual channel tab is current Remember that you can always set all channels to the first record with the M44 button in the toolbar 130 GageScope Viewing All Records of the Acquisition Simultaneously 4 To view all records in the acquisition at once click with the left mouse button in the Record field and type 0 zero CS Input Trace Wert Scale Trace Eonmect Dots Met TV fd Method Record ie A Al Ao Chi j Che 2 Press Enter The 0 will change to AIl CS Input Trace Trace Connect Gots Method Invert Record EE A Al 85 Chi 45 Che GageScope 3 The display will now show all of your records at once To the left of the slope icon and below Ch1 and Ch2 on the screen below notice the message All of 31 in
40. the CompuScope is channel 2 Colors Channel 1 set to yellow channel 2 set to green Input Range All channels set to 1V 2V for CS1016 Position Depends on the number of channels If there are two channels channel is displayed in the top half of the Display Window and channel 2 is displayed in the bottom half If there is only one channel it is displayed in the middle of the Display Window Vertical Scale All channels set to 1 Volt per division Method Min Max Trace Connect Dots Impedance 1 MOhm if the CompuScope allows it Probe XI Trigger Settings Trigger Set to channel 1 Trigger Level 0 mV Timeout 10 ms Slope Positive Pre trigger depth 4096 Samples Post trigger depth 4096 Samples GageScope 309 Display Settings Timebase 5 us d Channels Shown All channels visible A CompuScope channel that is not connected to a signal will display as a flat line Persistence Off Grid On X Y Axis On Zero Lines On 310 GageScope Appendix D Using the Test Output Connector If you do not have a signal generator in order to use GageScope you can use the test output connector found on certain CompuScope cards These are e CompuScope 8012A PCI CompuScope 8012A e CompuScope 2125 e CompuScope 8012 PCI e CompuScope 8012 e CompuScope 265 e CompuScope 6012 PCI e CompuScope 6012 e CompuScope 250 e CompuScope 1012 PCI e CompuScope 1012 e CompuScope 225 e CompuScope 512 PCI e CompuScope 512 If your card is not
41. the same averaging process is performed repeatedly SuperRes allows the user to specify the desired Effective Resolution For example you can specify 12 bit resolution even if you are using the 8 bit CompuScope 8500 GageScope will automatically perform digital filtering averaging of oversampled data to enhance the effective resolution at the expense of sample rate For example in order to provide 12 bits for the CompuScope 8500 an increase of 4 bits GageScope has to average 2 16 adjacent points hence reducing the sample rate by a factor of 16 This means that instead of 500 MS s the effective sample rate will be 500 16 31 25 MS s Notes e The effective resolution mentioned here is not the same as Effective Number of Bits ENOB ENOB is a measurement of the Signal to Noise Ratio e For more on SuperRes Mode see page 108 GageScope 99 System Control The System Control is located at the lower left corner of the screen It contains the control settings for CompuScope and CompuGen cards For CompuScope cards the system control contains the following tabs and settings CS Tab Page 102 The title of the CS tab depends on the model of your CompuScope card For example if you have a CompuScope 82G this tab will display CS82G Sample rate Single dual channel mode SuperRes mode External Clock if available Trigger Tab Page 110 Trigger source Trigger slope Trigger level Trigger patter
42. then the data is in the 12 16 bit format which is stored as 16 bit signed integers in the 12 bit mode the sampled data is sign extended to 16 bits For the 12 bit boards the smallest value 2047 represents 1 V while the largest value 2047 represents 1V for the trigger level whereas the smallest and the largest values represent 1 V and 1V respectively for the captured data 306 GageScope Note 7 The board_type constants CompuScope 1250 CompuScope 8012 TYPE refers to CSx012 cards version 2 0 GageScope 307 Note 8 Extended trigger time GageScope now supports an extended time stamp for the trigger event time of day The resolution of this timer is in hundredths of a second However on some computer systems the real time clock does not support complete accuracy at this resolution If the normal trigger time in the signal file is zero then the extended trigger time stamp is being used The encoded long integer is hhhhhmmmmmmssssssddddddd where dddddd is hundredths of a second Note also that the new time supports full seconds 308 GageScope Appendix C Default Settings The following settings are used upon startup of GageScope CompuScope Card and Display Settings Capture Mode Continuous Channel Mode Dual if two channels are available Sample Rate Maximum allowed by your CompuScope SuperRes Mode Off Channel Settings Identification Channel A of the CompuScope is channel 1 Channel B of
43. to the generator Several options exist for creating waveforms in GageScope The controls associated with the user defined predefined or standard waveform generation are part of the AWG Input tab in the Channel Control Refer to Channel Control section of this manual to obtain further details about the AWG Input options GageScope System Control Out 01 Tab Gain The Gain setting is located in the Channel Number tab in System Control CG1100 outro Source Ch 01 Filter Gain ae Fi No Filter Offset mi F i c CG1100 The Gain Setting imparts the user ability to change the output gain of the signal to be generated Following Gain settings are available e 5 Volts e 2 Volts e 1 Volts e 200 milli Volts e 100 milli Volts GageScope 143 Selecting a Gain Value 1 Click on the down arrow in the text box associated with label Gain to view the drop down list CG1100 outro Source Ch 0 Filter Gain ae Fi No Filter Offset mi F 058500 g CG1100 Note that 5V appears as a default Gain setting 2 To change the Gain to be 2V select the corresponding value from the list CGW00 Out0l Source Ch 0 Filter Gain Jar avy No Filter Olfset mi Note that Ch 01 displayed in GageScope contains the waveform to be generated 3 Click anywhere in the user interface or double click on your select to appear in the Gain text box CG11
44. viewed by your colleagues on as many different stations as you desire using the royalty free signal viewer supplied with GageScope and downloadable from www GageScope com Independent Timebase and Sample Rate Have you ever wanted to capture a signal at a very fast sample rate but view it with a long timebase CompuScopes with deep memory are capable of doing so but many DSOs are not GageScope allows you to decouple sample rate from timebase for more flexible measurements Independent Vertical Scale and Full Scale Input Range Almost all oscilloscopes on the market assume that the signal they are measuring does not have enough dynamic range to require more than 8 divisions 256 rows of pixels across 8 divisions on the oscilloscope screen While this is true for an 8 bit DSO it is not so for CompuScope cards which can have as much as 16 bit resolution which would require 65 536 pixel rows to do justice to the dynamic range As such GageScope completely decouples Vertical Scale from Full Scale Input Range allowing the user to scroll up and down on any vertical portion of the signal Unattended Transient Capture with Time and Date Stamp Optional AutoSave analysis tool for GageScope allows completely unattended transient capture and storage to disk A date and time stamp is also included with the saved data for record keeping purposes Advanced Analysis Tools GageScope advanced analysis tools currently include Waveform Para
45. visible lack of checkmark means a channel is hidden To toggle a channel s visibility click on this checkbox Hiding and Showing Channels directly in the Display Window 4 Position the mouse pointer on a blank area of the Display Windows 1 e where there is no signal 2 Click on the right mouse button to bring up the Display Window context menu A checkmark next to a channel number indicates it is currently visible 3 Click on Ch 1 to hide or show channel 1 Ch 2 for channel 2 etc 150 GageScope Display Control Settings Tab Grid Button The Grid button is located in the Settings tab of the Display Control General Settings Grid p Grid Trigger Lines Persistence Enabled x Avis Color none Zero Lines Y Anis Color Infinite Back Color C52125 YT 1 The grid is a set of vertical and horizontal lines drawn at regular intervals in the Display Window The resulting grid has 8 squares from top to bottom and 10 squares from left to right Each square is counted as a division and is used as a reference in other parts of GageScope such as the Position setting in the Parameter tab of the Channel Control The grid is a permanent fixture in the Display Window and is not affected by movement of the scroll bar To toggle the grid on and off click on the Grid button You also have the option of changing the color of the grid by clicking on the Color button next to the Grid butto
46. 00 Outil Sowce cho Z Fiter Gain e No Filter Offset ry E c0 gf CG1100 144 GageScope System Control Out 01 Tab Offset The Offset setting is located in the Channel Number tab in System Control CG1100 Ouro Source chm Z Fie Gain e No Filter Offset m p 058500 cano The Offset Setting allows the user to enter the DC Offset in milli Volts for the output signal to be generated by the arbitrary waveform generator Offset is linked to the Offset setting in the Channel Control property page GageScope 145 System Control Out 01 Tab Filter The Gain setting is located in the Channel Number tab in System Control CG1100 Outil Source cho Z Fiter Gain e Mo Filter Offset mi lo 0 g cano The Filter Setting allows the user to filter the output to be generated by the arbitrary waveform generator A 20MHz filter for example means that all frequencies above 20 MHz will not be present in the output Three settings are currently available for CompuGen 1100 e No Filter e 20 MHz Filter e 5 MHz Filter Selecting a Filter Value 1 Click on the down arrow in the text box associated with label Filter to view the drop down list CG1100 Out oo Sowce chm Zl Fite Gain Zi No Filter Offset m i 20 Mhe E m0 146 GageScope 2 To change the Filter frequency to be 20MHz select the corresponding value from the list and dou
47. 00 samples while a megabyte is 1 048 576 bytes SIG File A SIG file is the signal file format shared by GageScope and GageScope for DOS SIG files record the voltage levels vs time as recorded during a data acquisition SIG file are in binary format so as to keep the files as small as possible Signal to Noise Ratio SNR Signal to Noise Ratio SNR is a frequency domain parameter measured at specific input frequencies Using FFT analysis the power spectrum of a known input sine wave is calculated The contents of all frequency bins containing frequencies other than the fundamental input frequency and its harmonics are added The ratio of the content of the fundamental frequency bin to this sum is the SNR of the system This parameter is more useful for specifying the performance of a high speed A D device than the conventional DC accuracy figures used for oscilloscopes Also see Total Harmonic Distortion and Effective Number Of Bits SINAD SINAD is the ratio of the power in the fundamental bins to all other bins including harmonics GageScope 321 Single Channel Mode See Channel Mode Slope See Trigger Slope Small Signal Analog Bandwidth The Small Signal Analog Bandwidth is defined as the frequency at which the output is 3 dB below the input when the input is 20 dB below the full scale See Analog Bandwidth SNR See Signal to Noise Ratio SNR Software Trigger A trigger event issued by GageScope w
48. 06 308 Formaten 29 276 285 297 sample rate index to sample rate table 8 303 trigger gain input ranges 305 Getinge Started ereinen eiae in 17 CHENG EA E A E A A A N AE 151 H Hardware Setup occie ea 14 Hide Show Display Element 151 Hiding all control ersisoscataiiienss 63 How to Use this Manual 00000 11 HYSEN Y S a i 112 341 I I O Switch Settings 000000000000000000 311 Impedance ccceeeeeeeeeee 179 180 181 Independent Triggering 0008 114 Infinite Persistence ccccceeeeeeeees 154 IOVIS uisa anced 216 HUE IR ANS Cocaine dencsnaaconw teedundun uewdetalie 175 Installing GageScope E E ae 19 Installing the Windows Device Driver 18 Instrument Managet ccccccceeeees 276 fal eyes ech cs eeeenen cen Beer eer meet eee 261 Intermediate Results command 173 Invert Polarization 00008 188 189 L Launching GageScope een eee 31 EEDA ee eee eee ee 85 Level I OIE sen 112 License Agreement cccceceeeeeeeeeees 4 List of Instruments Supported by GageSCope cccecessececceeeeeeeeeeees 296 Load Channel command 0 53 Load Setup command ceee 46 M Magnifying Channel ccceeee 88 INT AGh es cschcdnessvsaeasseusqanbethannminasnanadmunsteen T2 Math Channel command 00008 72 Maximum InfoView
49. 5 Trigger Dein Sample rate 125 MS s x pa c oo CS Input Trace m Timebase Channel Na Ow pi S2125 YT1 m Vert Scale Trace al p Dats Levert Method _ i 2 Min Max 7 82125 AET EE gt gt Bif Wwatchi For Help press F1 and co eal GageScope 95 Attaching the Cursor to a Different Channel 4 Click with the right mouse button on the cursor line This brings up the Cursor context menu z GageScope Professional edition BEE i JE Eile View Capture Tools Window Ha xe S82 BSHxn 6 ELORE ees i ZFA Pals Sistits A Ee E y oooi da 125 MS s chor A Ki Ready 2 7 us 789 mv id 4 gt T gt if wateht A For Help press Fi CS2125 Trigger Depth General Settings CS Input Trace Sample rate 125 MSs x m Timebase Channel Na Vert sll Trace aes Singlef Dual Ch 01 Remectooe flee ingle Dua 7 aL nD etho cB He ale ceding pa Min Max xl 82125 fd C S2125 YT1 Ason AS S EGovescove Professi Sunited Pat r Baza 2 Click with the left mouse button on the channel you wish to use A checkmark next to the channel indicates which channel the cursor is on The None option will leave the cursor line enabled without being attached to any particular channel You can still move the cursor s vertical line The Hide option will turn the curso
50. 6 GageScope 2 Click on the channel number you want to measure lick on Channel One Channel GageScope 247 3 Click on the checkbox of each parameter you want to display in the InfoView window You may have to scroll down the list to find the parameter you want A checkmark indicates the parameter will be shown the lack of a checkmark indicates the parameter will not appear New Parameter Method MinMax References cm Middle jo fe Low fo RS select All Deselect All Check Farameters One Channel Cancel To enable all parameters click on the Select All button To disable all parameters click on the Deselect All button 4 Click OK when finished or Cancel to abort the changes Once you click OK the parameters appear in the InfoView window 248 GageScope Expanding and Collapsing Parameters Many of the parameters can display the average value and standard deviation Such parameters have a plus sign to the left of their name in the list To expand a parameter and see the average values and standard deviations click on the plus sign to the left of a parameter To collapse the parameter back to its original state click on the minus sign Name Value__ Name Value fcn on cee Mean 6 49m 341 28 mv eT Amph 1 00 968 75 mv hy Peak 968 75 mw E Click Plus 3 51 uS Click Minus 3 53 uS sign to 284 87 KHz Signto om Aver
51. 71 172 173 174 175 177 178 179 180 181 182 184 186 187 188 189 191 192 193 195 197 200 201 202 203 204 205 206 207 208 41 Display Window Context Ment sce ce ts eres ioe tai AEE EEEE EEEE AEE eee 210 OB eo gO A e E tee E P E A A A P T ene A Teo 212 General Display Window SMOTMCUILS ssyeccesesveiooriayecnasteriahiahaeedesehecnsenateh ooo 213 Fe 2110 VE 2 AEE nen On A S N EA ee ee Te A Cre an en 215 Info View 216 Advanced Analysis Tools 217 PAWN SVC a E E EO ue ananson sat A EEE yea 218 I AAA O OEA te secte dieses dew uaeeios A E T 231 Waveform Fe aI C5 2 access soca ce acnacengsosnbudesssaqeacabresacieeesnandeassacenees wee sesasacesesoseeteaes 245 FET 26 01 2 eee en Pa a ee a ae ae 255 B fea 6 76 IA Ed 1 nee E nr 260 Troubleshooting 271 42 ope GageSc Quick Reference Use the diagram below to quickly find the reference section you are interested in File View Capture Tools Window Help Menus and Toolbars PAGE 44 o m 2 e sas 4 x E k je d fr Soa S POSn Mm 4A F GageScope Professional edition V Display PAGE 215 re PAGE 206 Status Bar PAGE 214 7 CS Input Trace Sample rate p Vert Scale sella System Display EK UI Channel Ir fabit Control Control Control PAGE 100 PAGE 147 PAGE 159 52125 GageScope 43 Menu Commands The following pages contain descript
52. A E AAEN 141 System Control Qut Ol Tab Gainen E A nedede kedeeeteaeneeds 143 System Control Qut Ol Tab Offsetnnieni A E 145 System Control Qurol Tabs Pater mesnin a a AE 146 Display Control 148 Display Control General Tab Time base cian a a id 149 Display Control General Tab Channel LAst csssscaisasicane ni ad 150 Display Control Settings Tab Grid Butto Mssari s i a aada 151 Display Control Settings Tab X Axis Button cccccccccccccccccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 152 Display Control Settings Tab Y Axis Button cccccccccccccccccececeeeeeeeeeeeeeeeeseeseeeeeeeeeees 153 40 GageScope Display Control Settings Tab Persistence ccccsssscccccccececeeeeeseeeeessneeeeeeeeeeeeeeeeeneeeeeas Display Control Settings Tab Trigger Lines Button 20 0 cccceeessssteeeeeeeeeeeeeeeeeeeens Display Control Settings Tab Zero Lines Button cccccceessseesssteeeeeeeeeeeeeeseseeeeeas Display Control Settings Tab Background Color Button ccccsesscceeeeceeeeeeeeeeeeeeees Channel Control Channel Control Subchannel Tab Starts acid cceosdiccneaseoca tena sesBaddvncd an a Channel Control Subchantiel Tab En i otsidesexsewsdvendelcevechascstaldciedieeadackianteicavensakbadeenedtes Channel Control Subchantiel Tab Reference cyescacedcsnse bes deccasecdeadevedveeecnetenntetesveseaseeeneeeees Channel Control Subchannel Tab Ouse ssi cachaceadsnes siira aiia EE A T Channel Control Averaging Tab Oui ssc f
53. Au fat fa Sal 5 o m A S S febits z 5 m E info Yiew zixl 125 MS s cs21 25 Trigger Depth CS Input Trace Total 128k Smpl Fine pete ChannelNa Vert Scale i Trace Ir E Cho1 H fyf Connect Dots Hiin p Auto 110 0 ms Cho Method Hedd Postig 40962 MulRec T Al F Ww Sites a Pd C 2125 oq CS2125 YT1 Our signal file has been loaded as Ch 3 in between Ch 1 and Ch 2 GageScope System Control CG1100 Tab Sample Rate The CG1100 tab in System Control contains the Sample Rate setting CG1100 Gut an Sample rate o0 MS s m Trigger Mode int ERE Triggered Continuous Burst 1 CG1100 css g The Sample Rate specifies the number of sample points to be generated per second The total number of sample points to be generated is specified in the AWG Input tab of Channel Control Refer to the channel control section of this chapter for further details Changing the Sample Rate e To change the sample rate click on the sample rate drop down menu and choose a sample rate from the list For example CompuGen 1100 can generate at the maximum rate of 80MS s Ca1100 Gut o Sample rate SO MS s Trigger BU MS s int Ext 40MS s Continuou 20 MSs E 10 MSs A MSs 2500 2 MSs GageScope 135 and a minimum of 1KS
54. C or DC Notes e This setting will not be available if you are using a CompuScope 1016 as this card 1s DC only e For most CompuScope cards only DC coupling is available when impedance is set to 50 Ohm 178 GageScope Channel Control CS Input Tab Impedance The Impedance setting is located in the CS Input tab of the All Channel Control C5 Input Trace Impedance setto 1 MOR m By default GageScope sets all channels to 1 MOhm impedance This option will not be available if your CompuScope card does not support this feature Changing the Impedance 4 Click on the CS Input tab in the Channel Control 2 To change to 50 Ohm impedance click on the 50 Ohm button To change to 1 MOhm impedance click on the 1 MOhm button GageScope 179 Channel Control CS Input Tab Null Channel Input The Null Channel Input setting 1s located in the CS Input tab of the All Channel Control It also appears in the CS Input tab of the individual channel control CS Input Trace Drawing Coupling AC DE Range Ry gt ik lt BO Oh l mi Probe B Decimation 1 MOKm Ag Al 95 Chol Click the Null Channel input command button sik to activate this feature In the activated state the button will appear disabled CS Input Trace Drawing Coupling AC When clicked the Null Channel Input button will force recalibration of the hardware taking the average value of the current input as a n
55. Choose a channel for the Result As an example Channel 3 below shows a simulated two echo system while channel 4 is the single echo which is extracted out of Channel 3 to perform the crosscorrelation operation between the two channels The result of Crosscorrelation is shown as Channel 5 GageScope 269 EJ GageScope Professional edition ver 2 20 CS2125 Display1 H File View Capture Tools Window Help 8 x SHS BDk FAQA Ne f ta fat for Og li Do oe A ll Sow TIMI inte View 71 x ee BAe Reeth eine Me 4 ee iis riitit Hh yerr ja a ae n HE e I l l l mM M i ee ee j i Ls i Stop M Pos 22 2us f For Help press F1 NUM 2125 Trigger Depth General Settings Subchannel Trace Drawing Sample rate 20 MS s Wists Channel Name 4 Start 4 Fivigger x 227 Superhes p Ch3 fer Single Dual End 4 Trigger z 700 4 Display1 082125 Ag Al i Ch3 fi Ch4 jf thd 270 GageScope Troubleshooting GageScope launched properly but my signal is a flat line There are many reasons this could happen e Do you have a signal generator connected to your CompuScope card e Is the signal plugged into channel A or B of the CompuScope card and not the other connectors EXT for example e Is the signal generator turned on e Ifyou have several CompuScope cards in your machine is GageScope looking at the right card
56. Depth Sample Rate jm 5 ample rate S00 kS s fe Ext Lk Read Only SuperAies fi OU MHz ry Single Dual Div b 052125 6 You can change the external clock rate by typing in the Rate field 052125 Trigger Depth Sample rate 500 k5 mM Etk li OO MHz ee ea Single Dual i ett H CS2125 External Clack Rate GageScope 105 7 Notes 106 To disable External Clocking click on the checkbox to the right of the Sample Rate drop down menu The regular CS tab will re appear 052125 Trigger Depth External Clack Sample rate BOO kS s fe 7 UMS Tease f o kHz Checkbox Enabled Superhes gt Singl E a f 4 Ingle Dual Div by 2 You must have an external clock connected to your system If you do not while you will still be able to select External Clock from the Sample Rate drop down menu GageScope will display Waiting in the Status Bar and a trigger event will not occur GageScope System Control CS Tab Channel Mode The Channel Mode is located in the CS tab of the System Control 052125 Trigger Depth Sample rate 125 MS s Superies a Single Dual i i l channel Mode Currently Dual a aF 682125 The Single and Dual Channel Mode buttons allow you to switch between channel modes This feature is not available if your CompuScope card is single channel only such as the CompuSc
57. Dim_sine sig i Sine sig Figeweep sig i Sinnoisy sig Glitch sig i Sg wave sig File name Save as type Gages cope signal file sig Cancel ch annel eH Channel Ch O01 Field Save visible portion of the channel 3 Ifyou chose Save Channel from the File menu or the toolbar channel 1 is listed by default in the channel field If you used the channel context menu by right clicking on a channel and choosing Save Channel the channel you selected appears in this field automatically Note that you can also save all visible channels at once by selecting All in the Channel list GageScope 55 4 When saving the GageScope signal file format extension SIG is chosen by default If you wish to save the signal as an ASCII text file choose ASCII File from the Save as type drop down menu Save Channel to File Ei x Save irr E Signal Files ES e El T oneBrst sig i Triangle sig Ej Am_sig sig Half_arn sig AmS weep sig i Her bone sig Ey Chopsine sig Sawtooth ig i Dirn_ sine sig Sine sig Frgsweep sig i SIMMS sig i Glitch sig Sgr Wave tig File name sig Save Save az type Gages cope signal file sig Cancel Save as Ty pe ACI file 3C drap d Chr NI Channel me F Save visible portion of the channel Enter a name in the File name field There is no need to enter the extension as GageScope will add the extension SIG or
58. E Batedrerouicet El Hy Computes GS Internet Explorer Ir 3 Neterork Neighborhood EHE PC Based instrumentation gy Recycle Bin My Brielcsse In the right pane you will find the PC based Instruments under the Name and Type columns GageScope 2 Click PC based Instrumentation Icon E The PC based Explorer opens ES Exploring PC Based instrumentation Fle Miew Go Favorites Too Gaps Hep DWAIN gegeoop inc DWNT gage genuine Compagni Saved ey Rececle Bin My Breese Note that the right pane displays the PC based resources currently present in the system System1l comprises CompuScope card s while System2 consists of CompuGen card s GageScope 27 28 Double click on System1 to view the System1 configuration as follows ea Exploring System Ele View Go Favortes Tool Gage Heb e au t tal g 4 Back zea 7 Up Aid a news Heme Savo cueni Save al we Diener Address hF Systernl Folders a Deikiop JE My Computer Interred Explores Ge ay Heek Haight IE Instrum Manager PC Based ntinumertstion af Syshenal 4P Sprem sy Recycle Bin E My Briefcase You can see that the CompuScope card CS8500 present in the system has 2MegaSamples of onboard memory The CS8500 configuration settings are saved in the Status field The Status field is the last field in the right pane You may have to use the horizontal scroll bar to v
59. GaGe GageScope User s Guide For version 3 1 P N 0045145 Reorder MKT SWM GS W09 0405 GageScope User s Guide Copyright Gage Applied Technologies Inc 2001 Eighth Edition May 2001 GageScope GSWINST GageScope for DOS GagePCI CompuScope CompuGen Instrument Manager and Multi Card are registered trademarks of Gage Applied Technologies Inc MS DOS Windows 3 1 Windows 95 Windows 98 and Windows NT are a trademarks of Microsoft Incorporated IBM IBM PC IBM PC XT IBM PC AT and PC DOS are trademarks of International Business Machines Corporation Changes are periodically made to the information herein these changes will be incorporated into new editions of the publication Gage Applied Technologies may make improvements and or changes in the products and or programs described in this publication at any time Copyright 2000 Gage Applied Technologies Inc All Rights Reserved including those to reproduce this publication or parts thereof in any form without permission in writing from Gage Applied Technologies Inc The installation program used to install the GageScope InstallShield is licensed software provided by InstallShield Software Corp 900 National Parkway Ste 125 Schaumburg IL InstallShield is Copyright 1998 by InstallShield Software Corp which reserves all copyright protection worldwide InstallShield is provided to you for the exclusive purpose of installing the GageScope In n
60. Invert Reference Lines Color Edit GageScope This is equivalent to saving a channel via the Save Channel command in the File menu Hides the selected channel This is equivalent to hiding a channel via the Channel List in the General tab of the Display Control You can save the signal files to a floppy drive My Briefcase folder on your hard disk or post these directly on a web site Removes the channel from the Display Window No equivalent Only math channels and channels originating from a file may be deleted not live signals originating from a CompuScope card Note that all channels that were created from the channel selected for deletion will also be deleted For example if Ch 5 is a math channel that was created by adding Ch 3 and Ch 4 and Ch 3 is deleted Ch 5 will be deleted also You will be notified of this via the Confirm Deletion dialogs Inverts the polarization This is equivalent to inverting the polarization via the Trace tab of the Channel Control The reference settings High Middle and Low are used to determine the High Level Middle Level and Low Level when calculating certain time parameters For example the Rise Time is the length of time for a signal s rising edge to go from the low level to the high level This is equivalent to changing the channel color via the Drawing tab of the Channel Control Select this option to perform basic editing operations like Cut Copy and Paste on signals
61. Method via the Trace Tab 4 Click on the Drawing tab of the Channel Control 2 Click on the Method drop down list 3 Select a method from the list GageScope 191 Channel Control Drawing Tab Connect Dots The Connect Dots button is located in the Drawing tab of the Channel Control AWG Input Trace Drawing Method Min Max Connect Dots gt Connect Dots Ena bl act Format Color l Ch 01 The Drawing tab is not available when the All Channels tab is current Drawing tab elements apply to individual channels only If the All Channels tab is current the Connect Dots setting appears in the Trace tab By default GageScope draws a line between each sample point in order to display a continuous waveform To have GageScope display as single points you can turn off the Connect Dots setting Toggling the Connect Dots Button 4 Click on the Drawing tab of the Channel Control make sure the All Channels tab is not current 2 Click on the Connect Dots button to toggle this option on and off 192 GageScope Channel Control Drawing Tab Format The Format setting is located in the Drawing tab of the Channel Control AWG Input Trace Drawing Method Min Max Connect Dots Format Fina Color A ll Ch 01 The Drawing tab is not available when the All Channels tab is current Drawing tab elements apply to individual channels only The Format setting defines how GageS
62. Negative Overshoot Peak Trough Top Value Bottom Value TAA Pos TAA Neg TAA Pk Pk Time Pk Tr Time Tr Pk Time Tr Tr Time Ext Ext Time Base Line Delta Base Line FFT Analysis ccccccceeeees Up to 4 million point FFT Extended Math Allows creation of sub channels auto and cross correlation differentiation and integration Math Addition subtraction multiplication or division of up to two channels physical or disk based Info View Window 3 seicasssideiecadontadets Docking type resizable Display etene Any number of parameters from any channel Other Features SAVINO in E A GageScope SIG files AWG EGG files ASCII TXT files GageScope Setup INI files Load eeen a GageScope SIG files AWG EGG files GageScope Setup INI files PONUD Sree Any Windows 95 98 Windows NT or Windows 2000 compatible printer color printing supported GageScope 15 Materials Supplied GageScope CD GageScope User s Guide Warranty One year warranty on the media which contain the GageScope program All Specifications are subject to change without notice 16 GageScope Getting Started Follow the simple 4 step procedure outlined below to properly install GageScope and start running within minutes of opening the GageScope software package e Install and verify the Windows Drivers for your CompuScope or CompuGen card e Install GageScope e Configure GageScope to work with
63. O Address Memory Base Memory Status The description of each of these fields is given as follows GageScope Board Name IO Address Memory Base This field identifies the name of the board present in the system In the window shown above CS8500 refers to CompuScope 8500 ultra high speed A D card manufactured by Gage Applied Technologies The IO address corresponds to the nput Output address of the card specified as System1 PCI PnP in this field shows that the CS8500 card is a Plug and Play device For such cards the IO address is automatically assigned by the Operating System However for an ISA card present in the system the IO address of the card must be correctly specified This is due to the fact that the Plug and Play feature is not supported by the ISA bus cards Memory Base specifies Base Memory address of the card in the system For a list of permissible base memory addresses refer to the Appendix D section of this chapter Note that the Base Memory address of a PCI bus card is automatically set by the Operating System Hence PCI PnP appears in the Memory Base field for the CS8500 card As for the IO address of the ISA bus cards the Base memory address n ISA bus card needs to be specified by the user GageScope Memory The number in this field signifies the total amount of onboard memory in Samples present on the card For CS8500 presently configured 2M means that the total onboard memory availab
64. Parameters are displayed in the InfoView window at the far left of the GageScope screen tg GageScope Professional edition BEI x Eie View Capture Tools Window Help 5 m 82 Boon EPE 1 QQ BN 3 u Sir foo Be Id p gt DH I A IG 8 bits v7 BEE 25 21 m RMS RMS 342 21 mV mw Amplit 1 00 V Bi Peak 1 00 o Period E 00 uS aay Frequ 997 42 KHz _ Tye Fel 321 67 n5 _ Gof RiseT 320 31 nS _ Efe Pos 495 81 nS Neg ae f ns Gel PosD T NegD O f PosO fe Oo FE 2 Net Ready rl bii Watch1 For Help press F1 HE a Ch 01 52125 Trigger Depth General Settings CS Input Trace Total 128 k Smp Fine Timebase Channel Na Coupling AC Pretrigf 70 Normal 429496729 Ch 01 Range tiv sai iv Cho m PostT rig 4096 a MulRec eg LAL ew Probe 1 Y Impedance 1 MOhm rd C 2125 td C 2125 YT1 For definitions of what each parameter measures see About the Parameters on page 252 GageScope 245 Adding Parameters to the InfoView 4 To display a parameter right click on the InfoView window and choose Edit Waveform Parameters You can also choose Waveform Parameters from the Tools menu or the button in the Toolbar Edit Waveform Parameters The Parameters dialog box appears One Channel 24
65. Range drop down list 3 Selecta value from the list Notes e The list that appears in the input range will depend on the type of CompuScope card being used e The input range for the CompuScope 1016 is fixed at 2V so if you are using this card you will not be able to change this setting Note that Input Range is not linked to the Vertical Scale setting unless you select Scope Mode We have decoupled vertical scale from the input range in order to allow you to take advantage of the high vertical resolution offered by CompuScope cards You can capture a signal with 1V range and still view it with a vertical scale of 50 mV div All digital oscilloscopes on the market are limited to 8 bit resolution and can digitize the signal with 256 levels only This way they can fit all 256 pixels on screen CompuScopes which offer up to 16 bit resolution digitize the signal with up to 65 536 levels There is no screen in the world that can display that many pixels Hence the ability to display only a portion of the capture signal s dynamic range is necessary If however you are more familiar with the traditional linkage of vertical scale and input range simply select Scope Mode 176 GageScope Channel Control CS Input Tab Probe The Probe setting is located in the CS Input tab of the All Channel Control C5 Input Trace Coupling AC HE FO Ohm Impedance 7 M khm The Probe setting is used to de
66. S V 2 15 GS V 2 20 GS V 2 25 GS V 2 50 GS V 2 60 GS V 2 65 GS V 2 70 GS V 2 75 GS V 2 80 GS V 2 85 GS V 2 95 or GS V 3 0 edt Aamiagereum line feed pir mame The channel name when stored esta A camiage return line feed pir l Z 283 285 28 28 29 intl6 283 285 int32 trigger depth Number of samples after the trigger point 295 intl6 trigger slope 1 positive slope 2 negative slope g 8 O O D eS 297 intl6 trigger source 1 chan A 2 chan B 3 external 4 automatic 5 keyboard 299 intl6 trigger level Stored as an int actually a byte with the same format as the data Note 5 301 int32 sample depth Number of samples stored in the signal section of the file intl6 Index to the input range table Note 3 intl6 captured coupling 1 DC 2 AC GageScope 297 30 307 BB File Field Field Field Variable Field Description Index Type Size current mem ptr Where display started when signal was stored 317 int32 4 trigger address The point in the data where trigger occurred ending address The last point of the captured data 325 ulntl6 2 trigger time The time when the trigger event occurred Note 7 327 ulntl6 2 trigger date The date on which the trigger event occurred fat trigger coupling 1 DC 2 AC For the external trigger input 331 intl6 2 Index to the input range table Note 3 335
67. S2125 d CS2125 YT1 43 To move from record to record use the Toolbar buttons shown below SH alas BDH T AIRA RA fe du fat fea Sg li b 5 Il ia Wile 4S S fane E e T Align All Recordsto 0 Go To Next Record Begin Playback Go To Previous Record Continuous Playback Pause Playback If you choose Continuous Playback GageScope will cycle through all of the AutoSave records and loop back to 1 for another cycle You can see the record counter to the left of the signal underneath the channel number for example 1 of 16 2 of 16 3 of 16 230 GageScope Averaging This advanced tool allows the user to capture many records and average them for display This data can also be saved to disk as averaged data You can control how many acquisitions are performed before they are displayed as well as how these acquisitions are combined into a single trace display Using the Averaging Tool 1 Click on the Tools menu then click on Averaged Channel or you can click on in the toolbar When Averaged Channel is clicked from the drop down menu the following Channel dialog appears Hew x y Channel 44 Average channel GELEE en Beak cha Average count E Stark jo Averaging depth i 216 Max 1216 Settings Average Multec T Running Average penlan mtemidiat results 3 Choose a channel from the Source combo box You can specify the following GageScope e Average Count This is t
68. Scope Professi a 2 56 PM GageScope 25 The AutoSave dialog will appear iid Autosave General Ouput Directory Mutosave File Prefix ass First Sample File Name inter Sample Delay 00h 00m 0 s Humber of Records fe Disk Space Required Ke Disk Free Space 683 521 536 bytes Status hii Evaluate Single Cycle Time Load Setup Cancel Stop Apply Stant This dialog allows you to GageScope select the channels for which AutoSave should be set up specify where the files will be saved specify the prefix for each file in the series specify the InterSample Delay or the length of time between samples specify the number of records to be saved benchmark how long the system will need to perform a single AutoSave cycle using current settings save the current setup load a previously saved setup apply the current settings allowing you to exit the dialog make changes to your hardware settings and return to the dialog with your changes preserved 219 ap This dialog also provides the following information e disk space required for the AutoSave files based on current settings e free disk space on the current hard drive e status of the AutoSave session Done is displayed after a successful Benchmark or AutoSave e Time taken by the AutoSave session either projected benchmark or actual e See below for more details 27 Click on one or more of the current channels to be in
69. Trigger Force Trigger Ha A e sfin H am E Choose Force Trigger from the Capture menu or click on the Force Trigger button in the toolbar to force a trigger re Ge fas fa fa Oy IMR So i ml OG Note on Force Trigger and Capture Modes e When you are in Continuous Capture mode and GageScope is waiting for a trigger if you click Force Trigger the Status Bar will very briefly display the message Ready on a blue background Thereafter the Status Bar will display Stop on a blue background indicating a trigger was forced e When you are in One Shot capture mode and you click Force Trigger the Status Bar will display Stop on a blue background indicating a trigger was forced 68 GageScope Capture Abort Abort Trigger Ble Y eM 2 gt BD x QALASI f du fit fo By fie 5u jdi PHI s s sbis 5m E Choose Abort from the Capture menu or click on the Abort button in the toolbar to abort the current acquisition immediately While pressing Stop causes GageScope to complete the current acquisition first pressing Abort means that the current acquisition will not be completed This is helpful for very long acquisitions The data you see is that which existed when you clicked on Abort See page 83 for more information on customizing the Abort command GageScope 69 Capture AutoSave Setup Choose AutoSave Setup from the Capture menu to specify settings for an AutoSave acquisitio
70. a of the dialog 3 Choose a printer from the drop down list To change the printer s settings click on the Properties button 4 To change the size of the paper click on the Size drop down menu in the Paper area of the dialog 5 To change which tray to take the paper from click on the Source drop down menu in the Paper area of the dialog 58 GageScope File Print y a Alala s BDE T IRAIA fe fa fa Sg liu p Su wom 4 4 lle s fabits m E The Print command sends a copy of the Display Window to the printer How it Works 4 Click Stop in the Toolbar or in the Capture menu You will not be able to print unless GageScope has stopped acquiring data 2 Choose Print from the File menu or the toolbar The Print dialog appears 3 Choose a printer from the drop down list To change the printer s settings click on the Properties button 4 To print more than one copy enter a number in the Number of Copies field 5 Click OK to begin printing Note To get the largest possible printout it is recommended that you change the page orientation to landscape using the Print Setup command GageScope 59 File Print Preview Print Preview allows you to preview how a file will look when you print it based on the current Print Setup How it Works 1 Choose Print Preview from the File menu Your current signals will be displayed as they will be printed H GageScope for Windows System1 Display1 Gag
71. added and removed Multiple triggers are not available for all CompuScope models Windowed Triggering Certain CompuScopes support Windowed Triggering meaning that you can set two independent trigger conditions which are OR ed together Windowed triggering allows you to e Set two different triggers on the same channel Migger 7 Migger 1 LOVE ssssssssssssssssssssassss eet ee eee eer ree eee Terre eet Migger 2 Level no si LETETT TETTETETT TI TETTI EET LLELLE TELTELTLELLELLELLELLLELLELTELLLLLELLELLELLTELLELOCLI ingger 2 e Or set one trigger condition on each input of a CompuScope 114 GageScope rigger T Trigger Leyal SERRE EERE EERE REE RRR RRR EPR SRE RR EERE EERE RRR EERE REESE EPR Channel 7 Channel 2 Trigger Level 2 Tngger 2 How it works 4 Clicking on the Pattern button brings up the Advanced Trigger Configuration dialog Advanced Trigger Configuration Sisal Sarna E e e F Ch 01 0 00 Full default Modify Remove Cancel This dialog lists all of the currently specified trigger sources GageScope 115 Modifying an Existing Trigger Source 2 To change existing trigger settings first make sure the trigger source you wish to modify is highlighted If itis not click on it If there is only one trigger source in your list there is no need to highlight it first Click Modify Advanced Trigger Configuration 3 This brings up the Trigger Source dialo
72. age anywhere from 2 to 31 records to produce a single resultant averaged record Averaging Trace Drawing Count 4 Start lo Depth 1024 A Ch g Che d Ch3 If you attempt to set the counter to a number higher than the current number of records in your acquisition GageScope will automatically set the field to the maximum number allowed Increment Buttons This is shown diagrammatically below GageScope averages n records in the current acquisition to produce a final result which is displayed in the Display Window Record 1 Record 2 Record 3 Record 4 Result 1 Acquisition 1 Result 1 Acquisition 1 Record 1 Acquisition 1 Record 2 Acquisition 1 Record 3 Acquisition 1 Record n GageScope 241 Note When Mulrec is checked the Record Counter disappears from the Trace tab of the Channel Control after the averaging operation is completed Averaging Trace Drawing Invert Position Vert Scale S lt All 45 Chi Ch 3 Se eee Ye Averaging when Running is Checked When Running is checked the running average of the selected multiple record 1s taken Running Average Averaging Trace Drawing Count k Average H e Start E C Coddd M Running Depth 4096 Reset A Chi EE Che amp Ch3 The result of the running average of the first multiple record is shown as 242 GageScope GageScope Professional edition Ef x
73. al omenen ene 126 Average vs CoAdd cccccceseeeeeeeeeeees 172 AVT OM MUIE ants Hoch ashe Rica aaa 171 Channel Mode uu cccecccccceceeceeeeeeeeeeees 107 Depi Total e 122 Den PUN zoini a ci 125 Extemal Clock 103 Fine BUHO conaran ee 125 Intermediate Results cccceeeeeees 173 M ltiple REC OI ereire sheep estan 128 PAULO UT sexe a tes cs E 114 Prestnieeer Depli cecenii hecenc on dans 123 Sample Rates cai era eee 102 SuperRes Mode tacictacicte ile 108 TCO arse tthe sla cath tae aul ete 126 Trigger Level ceara a 112 MTG BCT SOME aoe 111 Trig OC SOULE sacneiaena 110 GageScope T Test Output Connector sssoss000000000 326 Tile WiIndOWS ccccccecseeeeceeeceeeeeeeeees 85 TANG DAS eene 149 TAM OUE sun 126 TOOTS VIG BU crise a tee hndet eexcnes T2 Top Info VIEW jerersieioes teteni 254 Track Mode Cursors 0 seeeeeeeee 98 Transferring message in Status Bar 215 Trigger PLY SUCEISY eaaa 112 TMG DENSI sit eet hals Set ais er us 114 Taeger ANo E 87 Trigger Context Menu ccccceceeee 212 Trigger Depth Fine Buton eerie n 125 Multiple Record ccccceeesseseeeeeeees 128 Pre tmecer Depth siarane 123 Totalen e E il atest 122 UAS e Mewsncatideaca eee 125 Tis 6 Cr Eey olrnn r EEren 112 Hiding and Color sensein 157 Triper SIODG exc eea a 111 Treger SONTO oa n 110 Trigger Timeout iecacdtwiceeteead ceeds 126 TASo ero sae a nen en ee ne 15 WOW Ci eeren e E 114 Trig
74. all the settings you specified in the Fae FFT dialog You can change the settings in Start Position FFT Type Full scale dts this control at any time in order to change E Window Fiect the FFT Display Mum Pointe 0197 Ja Ch You can also zoom in on a specific portion of the FFT by using the toolbar s Zoom Tools Trace f oomin Zoom Out HE T eH 2 aB f u Jat fea Sey ia RP SH IW IH Thie E a m E Cursors can also be used to make precise readings of frequencies and power Upon activation of a cursor you can immediately read frequencies but to get the dB level you must first attach the cursor to the FFT trace This is done by right clicking on the cursor and selecting the channel to which the cursor is to be attached GageScope 259 Extended Math The Extended Math tool gives GageScope the ability to perform the following operations on the acquired signals e Integration e Differentiation e Autocorrelation e Crosscorrelation 260 GageScope Integration 1 The signal of interest is as follows GageScope Professional edition ver 2 20 CS2125 Display1 a File View Capture Tools Window Help e FT x SEZ SBD RE t JRA fu fit foo lier SH l spi dlame Info View ix Fela eee J o e ms epe a p oee g e e g e e L a Ready TESS EESE For Help press F1 NUM C 2125 Trigger Dep
75. an also right click in the Display Window and choose Arrange Traces from the context menu GageScope 89 Toolbar Overdraw Mode and Erase Display Cyerdraw Mode Erase Display eM ass Ds Kit T i f du fat io Sg e SH Mm Ow QQ AA S S3lsots H am E In overdraw mode GageScope does not erase a trace before updating the Display Window This causes two or more traces to show where there would normally be one Click on the Overdraw Mode button to enable this feature Disabling Overdraw Mode removes all the extra traces When Overdraw Mode is active the Erase Display button located to the right of the Overdraw Mode button is available Erase Display will erase all the duplicate traces without turning Overdraw Mode off This button is grayed out when Overdraw Mode is disabled 90 GageScope Toolbar Multiple Record Buttons SM Sas BD xii 7 fe du fat foo Sy i B SAD ied I QA aN Aale Slabs one Align All Records ta 0 Go To Next Record Begin Playback Go To Previous Record Continuous Playback Pause Playback The Multiple Record buttons allow you to move from one record to another when viewing signals captured in Multiple Record mode 44 Align all channels to first record P Start playback gt Continuous playback Il Pause playback IH Go to the previous record MI Go to the next record Note These buttons are also used for AutoSave Playback See the AutoSave tool on page 218
76. as a reference for the subchannel signal starting and ending samples Source signal refers to the original channel to be subchanneled Trigger refers to time when the trigger event occured The selected subchannel can be referenced to the trigger Src End is the last point of the source signal The first and the last sample points of the subchannel can be referenced to the end of the source signal Rise specifies the selected rising edge to be the starting reference Fall specifies the selected falling edge to be the starting reference Edge specifies the selected rising or falling edge to be the starting reference Peak specifies the selected peak to be the starting reference Trough specifies the selected trough to be the starting reference Trough is the valley in a sine wave GageScope 165 Figure below shows all the available references References Source Start Trigger Source End Src Start Sre End Shown below is the first peak taken as the starting reference while the fifth peak is chosen to be the end reference Note that any combination of these references can be used to select the Subchannel First Peak selected as the Starting reference Start Offset Fifth Peak selected as the Ending reference Selected Subchannel Source Start Trigger Source End Sre Start Sre End 166 GageScope Channel Control Subchannel Tab Offset The offset setting is located in the Subchannel tab of the Channe
77. b Trigger Slope The Trigger Slope setting is located in the Trigger tab of the System Control C 2125 Trigger Depth Chol Trigger m rla Slope Currebthy Patter set to negative 52125 The slope icon to the left of a channel in the Display Window indicates the current slope setting means positive slope 1 e the trigger occurs on the signal s rising edge means negative slope 1 e the trigger occurs on the signal s falling edge Changing the Slope There are three ways to change the slope e Inthe Trigger tab click on the desired slope icon e Double click on the slope icon in the Display Window e Right click on the slope symbol in the Display Window to bring up the slope context menu then click on either Positive or Negative GageScope 111 System Control Trigger Tab Trigger Level The Trigger Level setting is located in the Trigger tab of the System Control peanam erase Depth Current rigger Lere Trigger Level Slider Fatter Reset Button The trigger level is the level in Volts a signal must cross in order for a trigger event to occur For example if the trigger is set to 1 V and the signal peaks at 900 mV a trigger event does not occur But if the signal rises to 1 1V the trigger level will have been crossed invoking a trigger event and subsequent data acquisition Signal crosses trigger level Trigger LOUE weenencneeseecneeeenaes
78. b of the Display Control Hides the left bar of the Display Window which contains the slope icon the channel label the sample rate indicator and the number of records captured in a multiple record acquisition This is equivalent to selecting Left Bar from the Window menu Hides the status bar of the Display Window This is equivalent to selecting Status Bar from the Window menu The options in the Color sub menu allow you to change the background and grid color This is equivalent to changing the color via the Settings tab of the Display Control Hides all controls to all the Display Window to expand to a full screen view This is equivalent to selecting Full Screen from the View menu Cut Copy and Paste are the three options available to edit the signals 211 Trigger Context Menu Trigger slope can be changed via the trigger context menu 15 Position the mouse pointer on the trigger slope icon located to the left of the channel 16 Click with the right mouse button to bring up the trigger context menu 17 Click on a command using the left mouse button Options Positive Slope This is equivalent to double clicking on the slope icon to change the Negative Slope slope or clicking on the slope buttons via the Trigger tab of the Systems Control A bullet next to an option indicates the setting currently being used 212 GageScope General Display Window Shortcuts Moving Channels 4 Position the mouse pointer on a cha
79. ble click CG1100 Out o1 Source chmn Z Fie Gain 47 24 20 Hz Offset mi fi 58500 CG1100 GageScope 147 Display Control The Display Control contains options for changing the look of the current display such as the timebase and channel enable disable along with display element properties such as grid color Display settings do not affect the captured data The Display Control contains the following tabs and settings General Tab Page 149 e Timebase e Channel list and visibility Settings Tab Page 151 e Grid Button e xX Axis Button e Y Axis Button e Persistence Button e Trigger Level Button e Zero Lines Button e Display Window Background Color 148 GageScope Display Control General Tab Timebase The Timebase setting is located in the General tab of the Display Control Current General Settings Timebase FAAEE O e PETE diane Baas Decrease 2usd och Button i increase eee Beers E Butten mq CS2125 vT1 The Timebase is a display function only and is measured in time per division a division being one square in the grid in the Display Window For example a timebase of 5us d equals five microseconds of data per division e To increase the timebase click eas e To decrease the timebase click pa Notes e Changes to the timebase affect all channels in the current Display Window The size of the bar in the horizontal scroll bar is al
80. buttons next to High Middle and Low The definitions for High Level Middle Level and Low Level are shown below Reference High Reference Middle Reference Low refer to the values in the Reference settings in the Parameters dialog box High Level LowFlatValue HighFlatValue LowFlatValue x Reference High Middle Level LowFlatValue HighFlatValue LowFlatValue x Reference Middle Low Level LowFlatValue HighFlatValue LowFlatValue x Reference Low GageScope 251 About the Parameters Use the diagrams below to get an idea of what each parameter measures More detailed explanations are offered on the pages following the diagram Voltage Parameters Maximum Value Positive Overshoot High Flat Value B OVolts Amplitude a i Peak Low Flat Value Negative Overshoot t Minimum Value Time Parameters Rise Negatve Wiath Time High Level Middle Level Low Level a Fall Time a Positive Width 252 GageScope The parameters are defined as follows Mean RMS Amplitude PeakToPeak Period Frequency FallTime RiseTime PosWidth NegWidth GageScope Mean is the average of all the points in the signal RMS is the Root Mean Square voltage When the MinMax method is chosen Amplitude is equal to the Peak to Peak value When the Histogram method is chosen the Amplitude is the difference between the High Flat and Low Flat val
81. card To specify the IO address for the new ISA card click on the display list symbol next to the text box under New Group This is the text box which is located in the first row Select the address of the card from the drop down list When you click on the appropriate address value it shows in the IO address New text box 287 288 E Modify System Ee Board location Current IO address Memory base EJ Modify System Board location Current IO address ox ier Memory base g The selected IO address appears in the IO address text box in the New Group Repeat the same procedure for the Base Memory address for the ISA card Click on the drop down list button besides the text box in the New Group The list of available memory base addresses appear EA Modify System Ea Board location Current Hew IO address Os 0x202 Memon base fox H D A00 00 300 OD 400 00 500 O20 600 DO 00 Cancel GageScope 4 Adding a PCI bus card To specify the IO address for the new PCI card click on the display list symbol next to the text box under New Group This is the text box which is located in the first row Select PCI PnP from the drop down list When you click on the selected value PCI PnP appears in the IO address New text box Scroll down to the bottom of the list Select PCI PnP E5 Modify System PCI PnP appears in the IO address text box in the New Group EA Modi
82. cate your AutoSave records 228 GageScope 40 GageScope will automatically look in the Gagescope AutoSave directory for saved records If you saved in another directory click e to browse You will then see a list of channels to be played back along with the destination channel which will be used to display the AutoSave records on screen Ay Channel Directory Mutosave El File Prefix fas Source Channel Dest Channel Ch3 Ch4 You can choose which channels will be displayed by clicking in the checkbox next to the channel in the list 41 Now click OK to display the first of your AutoSave records aX Ay Channel l AutoSave playback Directory Mutosave f File Prefix as Source Channel Dest Channel GageScope 229 42 The record number is displayed to the left of the signal for example 1 of 16 is shown in the screen below EJ GageScope Professional edition a ee i _ BEES File View Capture Tools Window Help ii att was n 7 9 Neen pee _ y we 7 i SH 2 22 BT en RRRA f An fat fro Bg e Su mm 4 4S S eoits z Oe info View T 52125 Trigger Depth General Settings Trace Sample rate 125 MS Timebase Channel Na Vert Scale r Trace T ae l Sus d a E Connect Dots Single Dual 1 v Method Bet _ r C
83. ckmark next to it polarization is inverted otherwise it is normal 188 GageScope Channel Control Trace Tab Units The Units setting is labeled Unit and is located in the Trace tab of the Channel Control C5 Input Trace Drawing Vert Scale Position Engineering units are now available in GageScope This feature allows the user to specify a conversion factor and a base units text string for each channel The factor must be entered in base units e g A or Pa and not in derived units e g mA or kPa GageScope will automatically perform metric scaling How To Invoke the Engineering Units 4 Click on the Units tab in the Channel Control The Engineering Units dialog box appears Engineering units x Factor Unit 1V 1 000000 lv i Cancel GageScope 189 2 Assume that the user has his CompuScope connected to a thermocouple that produces a 40 microVolt DC voltage for every 1 degree Celsius change in temperature In this case the user would enter C as the Units text string The conversion Factor would be 1 40 x 10 6 25000 Enter 25000 for the Factor and C for the Units in the respective text boxes Engineering units E4 Factor Units 1V 25000 E Cancel 3 Click OK You will notice that the Vertical Scale now measures in degree Celsius CS Input Trace Drawing Vert Scale Position 1 i Note that depending on the conversion factor you may have to u
84. click Back If you GaG E arte satished with the settings click Mest to begin copying files Current Settings Installing GS in in directory C Gage GageS cope Installing GSin Pro Plug In in directory C GageGageSicope Installing Retail Copy in directory C GagesGageScope w Cancel 11 The installation process will commence You will see the installation progress indicators during the installation process When the installation is successfully completed you will be prompted to register online Question 2 Do pou want to register online Click Yes to register online Then follow the onscreen instructions to complete the registration process Click No to register later For the current installation we have opted to register later GageScope 23 12 You will see the Setup Complete screen Setup Complete Setup has finished copying files to your computer GaGe Before you can use the program you must restart Windows or Your computer No will restart my computer later Remove any disks from their dives and then click Finish to complete setup The default option shown above is to restart your computer at this stage You can restart your computer later by selecting the other option Please note that GageScope will start working only after a restart as some components must be registered with the Windows operating system 13 Installation is now complete
85. cluded in the AutoSave session 220 GageScope 28 To determine how long it will take GageScope to perform the AutoSave session based on current settings select the channels you want to save and click on Evaluate Autozave GageScope 221 29 The screen below shows a completed Benchmark Note that the Status field reads 30 222 Done GageScope has determined that the specified AutoSave session will take 75 ms and will require 272KB of hard disk space Autosave W Autosayve General Quput Directory Mutosave E File Prefix as First Sample File NamefASODODD2 sig inter Sample Delay 00h 00m 0 s Humber of Records fie Disk Space Required Exe Disk Free Space 618 771 968 bytes Status Doe Single Cycle Time E m Save Setup Load Setup Cancel Stop Apply Start Note that if you wish to change hardware settings before beginning the AutoSave you must exit the AutoSave Setup dialog To preserve the AutoSave setup changes you have made click Apply then Cancel Make the necessary hardware changes When you re open the AutoSave Setup dialog your settings will have been retained GageScope 31 After you have specified the desired AutoSave settings click Start to begin the AutoSave process Autozave GageScope 223 32 When the process is complete the message Done will appear in the Status field Autozave coos el awose 224 GageScope Saving a
86. cope will draw a trace Changing the Format 4 Click on the Drawing tab of the Channel Control make sure the All Channels tab is not current 2 Click on the Format button The Format trace dialog appears Format trace Preview 3 Select a style from the list on the left and a pen width from the list on the right GageScope will show you a preview of your selection 4 Click Apply to confirm your selection GageScope 193 Notes If Connect Dots is turned off your changes to the Format settings will not be visible on the screen The line style does not have any effect on the size of the dots but the pen width does change the dot size 194 GageScope Channel Control Drawing Tab Color The Color button is located in the Drawing tab of the Channel Control AWG Input Trace Drawing Method Min blas Connect Dots Format Color Calor S All Ch 01 The Drawing tab is not available when the All Channels tab is current Drawing tab elements apply to individual channels only The Color Button allows you to change the color of a channel Changing the Color via the Drawing Tab 4 Click on the Color Button in the Drawing tab The color dialog appears Color Basic colors Ei See Eee e Eee i i Mr Custom colors i i i i Hue 40 Red 255 BES ae pee ete Euston bolas Colors olid Lum i 20 Blue jo Cancel Add to Custom Colors 2 Click on
87. cope is sometimes abbreviated CS for brevity For example CompuScope 12100 could be written as CS12100 CompuGen is abbreviated as CG CompuScope x012 and CSx012 are used to refer to the 12 bit ISA bus CompuScope cards CS8012A CS8012 CS6012 CS1012 and CS512 CompuScope x012 PCI and CSx012 PCI are used to refer to the 12 bit PCI bus CompuScope cards CS8012A PCI CS8012 PCI CS6012 PCI CS1012 PCI and CS512 PCI GageScope 11 Specifications System Requirements e PC with a Pentium 200 MHz processor 266 MHz Pentium II or higher strongly recommended e Microsoft Windows 95 Windows 98 Windows NT 4 0 or Windows 2000 operating system e 32 MB RAM with Windows 95 98 ME 48 MB RAM with Windows NT Windows 2000 e Hard disk free space 20 MB to install the GageScope application 128 MB minimum free space necessary for operation of the GageScope program e Virtual memory under Windows NT and 2000 it is recommended that you increase the Swap File Size by 128 MB to operate GageScope e CD ROM drive e 15 inch monitor 800 x 600 Super VGA 17 inch 1024 x 768 Ultra VGA recommended Note that your system must be set to 256 color display in order for the FFT capability to display results properly e PC keyboard and 2 button mouse 3rd button if present is not used e Internet Explorer 4 1 or higher version 5 0 required for full functionality e The drivers for the PC based cards must be
88. cting them from the View menu or you can select Full Screen from the View menu to hide everything at once When you want to return the display to normal click on the Full Screen button in the toolbar SH Ss ess Klp FF foo Aa fat fo Sy lee p On id wl Aa QA ANS S 8 bits Lan Full Screen an Q How can I turn off some of the Display Window settings such as the grid A The visibility and color of the grid and most other Display Window elements can be changed through the Settings tab of the Display Control Q How can I quickly get to the trigger marker where the trigger event occurred A Use the trigger align buttons in the toolbar Q After I press the MulRec button in the Depth tab of the System Control nothing happens A Actually quite a bit is happening but the results usually aren t visible right away Depending on the depth settings your CompuScope card can fit a maximum number of records into its onboard memory It takes a few moments to capture all these records Click the Multiple Record buttons in the toolbar to move from record to record to check if GageScope has finished capturing data Q How do I tell how many records I have captured in Multiple Record mode A After finishing all the captures GageScope displays the number of records underneath each channel s identifier at the left of the signal in the form of 1 32 where 1 is the current record and 32 is the total number of
89. details and a comprehensive list of all parameters that are offered see Waveform Parameters tool on page 245 GageScope 49 3 Click Analysis tab to view the screen as follows The two options available are the FFT and the Extended Math Dialog box shows FFT as the default option Refer to FFT Analysis tool on page 255 for more details 50 GageScope 4 Clicking Extended Math option opens the Extended Math dialog A complete list of Extended Math functions is provided in the Extended Math tool on page 260 GageScope 51 5 Click on Generator tab to open the Generator dialog box BY Predefined foz Standard The New dialog box allows signals to be created using Equation Predefined and Standard Methods Refer to Chapter 6 in the Tutorials or the AWG section of this guide for further details 52 GageScope File Load Channel Load Channel RAJZA sfin a E S M els BDE E 7 fe da fat io Oy lia e SO IM a A The Load Channel command opens a previously saved GageScope signal file GageScope signal files have the extension SIG The channel is placed in the Display Window and assigned a unique channel number How it works 14 Choose Load Channel from the File menu to bring up the standard Windows Open dialog box or click on the Load Channel button in the toolbar 2 Move to the folder that contains the SIG file you want to open 3 Click on the file 4 Click Open Compatibili
90. dicating that all 31 records are being displayed File View Capture Tools Window Help la m alasa Rt E J Ra RAS fe Aun fat foo te e 5 I 4 4 S S ebits z z C52125 Trigger Depth CS Input Trace TAa 128k 78k Sme mpl Fine lt Channel Na Vert Scale Trace ESET eTa A Auto 100 ms cht iv E On Ue A a E a cs2125 T1 e The View All Records command is available whether the All Channels tab or an individual channel tab is current If the All Channels tab is current as it was in our example above you will see all records of all current channels e Ifyou wish to see all records of Channel 1 for example but only a specific record of Channel 2 make sure the proper channel tab is current when you are changing the Record field in the Trace tab of the Channel Control 132 GageScope Transferring Message in the Status Bar When you are in Continuous Capture mode the E button in the toolbar is pressed in and Multiple Record mode is enabled you may see the message Transferring in the Status bar Transtering Gfrcrreesties CELE This means that GageScope is transferring data from the CompuScope board to the internal buffers of the application Saving a Multiple Record Channel 4 You can save a Multiple Record channel just as you would any other channel by clicking Save Channel in the File menu by clicking in the toolbar or b
91. dification purposes in support of your use of the program on the single machine Copying of documentation and other printed material is prohibited c modify the program and or merge it into another program for your use on the single machine any portion of this program merged into another program will continue to be subject to the terms and conditions of this Agreement and d transfer the program and license to another party if the other party agrees to accept the terms and conditions of this Agreement If you transfer the program you must at the same time either transfer all copies whether in printed or machine readable form to the same party or destroy any copies not transferred this includes all modifications and portions of the program contained or merged into other programs You must reproduce and include the copyright notice on any copy modification or portion merged into another program You may not use copy modify or transfer the program or any copy modification or merged portion in whole or in part except as expressly provided for in this License Agreement If you transfer possession of any copy modification or merged portion of the program to another party your license is automatically terminated Terms The license is effective until terminated You may terminate it at any time by destroying the program together with all copies modifications and merged portions in any form The license will also terminate upon condit
92. dnssectntterss sleeenite coves sieahadpaciehsiecet Channel Controls Trace Fab UDS arenira a at acnseseet isa Channel Control Drawing Tab Method cccccccccccececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control Drawing Tab Connect Dots cccccccccccccccccccccececeeeeeceeeeeeeeeeeeeeeeeeeees Channel Control Drawing Tab Format ccccccccccccccccccccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control Drawing Tab Color ccccccccccccccccccccceeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeenses Channel Control Trace Tab Align by Start Align by Trigger cccccccccececeeeeeeeees Channel Control AWG Input Tab Duration cc ccccccccceccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control AWG Input Tab Equation ccccccccccccccccceccecceeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control AWG Input Tab Ampl ccc ccccccccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control AWG Input Tab Offset siscwiccssinrsouaceseesiaralsavsccesdatheleastenddnisasaiderssdeaiealee Channel Control AWG Input Tab Waveform cccccecccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control AWG Input Tab Duty dxecieseieiseeveestee as cteeiner eee Channel Control AWG Input Tab Samples cccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Display Window Cannel WOnte xt Wien U estkceuteletattle a N GageScope 160 163 164 165 167 169 170 1
93. e Count 1 Average i MulRec Record with Stark jo C Codd 7 Rumning Averaging Depth 4096 Reset p Chi 3 Che J Ch3 The Multiple Record setting with the Average radio button selected specifies the type of averaging to be performed when Multiple Record mode is enabled When in Multiple Record mode averaging can be performed in one of the following ways e A single MulRec record can be used to produce a single averaged non MulRec record This method is best when the incoming signals are non repetitive such as in Imaging applications e A specified number of MulRec records can be averaged to produce a single averaged record This method is best for applications like Mass Spectrometry where the signals are highly repetitive e The running average of any single MulRec record can be accomplished Note When Mulrec is checked the Record Counter disappears from the Trace tab of the Channel Control For more details on Averaging see Averaging tool on page 231 GageScope 171 Channel Control Averaging Tab Average vs CoAdd The Average and CoAdd settings are located in the Averaging tab of the Channel Control Averagin Trace Drawn 2E Average Count 4 J oel kulee I Setting start E fe ale B Bunning Depth 4096 Int results _Frerety b coada Setting When Averaging is enabled the first point of the first acquisition is added to the first point of the second third fo
94. e installed PCI bus CompuScope board s For enabling External Clocking on ISA bus cards you must provide either of the following command line switches prior to running GageScope extelk or extclkmin sample_rate_number where sample rate number is the minimum expected external clock frequency in Hertz GageScope 103 How it works 4 Click on the CS tab in the System Control to bring it to the front if it s not already visible CS2125 Trigger Depth chi Level 23 4 m 7 T 052125 2 Click the Sample Rate drop down menu and scroll down to the bottom of the list to ExtClk C52125 Trigger Depth Sample rate FO MSs Superhes 10 MSs 20MS s Dab Sy eo aes 100 MSs 250 MSs Eik ah cS212 3 The new External Clock options appear on the CS tab 052125 Trigger Depth Sample rate Tr DOMS s fr Ext Clk 1 00 MHz Super es le D pee H ingle Dual Div by 7 52125 104 GageScope 4 Note that when you are in dual channel mode the Div by field reads 2 When you are in single channel mode the Div by field reads 1 052125 Trigger Depth Sample rate S00 kS s M A 1 00KMHz single Dual Div by be elie Fi eld 5 n addition the Sample Rate which is a read only field when External Clock is enabled in single channel mode is double that in dual channel mode C5212325 Trigger
95. e PC s host memory To solve this problem the CompuScope card can be instructed to store the data in its on board memory until such time that the data can be transferred later The amount of this high speed memory determines the Record Length of data capture 1 e how long a snapshot the CompuScope can take See Sample Rate Record Length and ISA and PCI Bus See also Memory Depth and Samples One Shot Capture Mode See Capture Modes PCI Bus See ISA and PCI Bus Points See Samples GageScope 319 Polarization Polarization refers to how the trace is displayed relative to the X axis When polarization is normal the channel is displayed exactly as captured Inverting the polarization inverts the signal about the X axis for purposes of the display without affecting the actual data Post trigger Data Post trigger data is the data acquired after a trigger event occurs Post trigger data is located to the right of the trigger marker Pre trigger Data Pre trigger data is the data acquired before a trigger event occurs Pre trigger data is located to the left of the trigger marker Real Time Sampling Real Time sampling as used in the CompuScope cards is defined as the sampling of the input waveform every T seconds such that the sampling rate Fs is equal to 1 T This is the best method of digitizing any signal be it transient or continuous Samples are taken on every clock cycle and stored in a memory buffer The
96. e Y Axis button You also have the option of changing the color of the Y axis by clicking on the Color button next to the Y Axis button GageScope 153 Display Control Settings Tab Persistence The Persistence button is located in the Settings tab of the Display Control Persistence General Settings e Button rid Periaice Trigger Lines K Axis Color hone Zero Lines Y Axis Color T lnfinite Back Color Infinite Persistence C527125 1T1 Checkbox The Persistence setting allows the user to control the persistence of the signal display in the Display Window How it works By default Persistence 1s disabled The button underneath Persistence reads None To enable persistence click on None 1 General Settings Grid Color Trigger Lines Zero Lines Y Axis Color To Inti Back Calor 154 GageScope 2 The Persistence field appears allowing editing of the length of time that the signal will persist on the screen The default value 1s 0 5s General Settings Grid Color X Asis Color Trigger Lines Zero Lines Back Color Persistence To change the degree of persistence click on the Persistence increment decrement buttons to change the time value Or click on the Infinite checkbox for infinite persistence This is equivalent to clicking the Overdraw Mode button in the toolbar General Settings arid Color s
97. e of a signal can be measured by eye using the Display Window grid by default each grid square measures 1V high 316 GageScope Inter Sample Delay The time that must elapse between two successive high speed data captures This feature is important for long term monitoring of signals Interpolation A signal might become pointed or jagged when the number of samples per grid square becomes very small When GageScope performs interpolation on a signal it uses a mathematical formula to add extra sample points in order to smoothen its appearance See Spline Interpolation ISA and PCI Bus The ISA bus is the computer bus found inside all IBM PC AT 386 486 and Pentium systems It is by far the most popular 16 bit bus in the industry and has become the standard for PC based data acquisition and instrumentation With a standard 8 MHz clock speed the ISA bus can transfer data with a throughput of up to 1 5 Megawords per second The PCI bus is a processor independent 32 bit local bus featured on almost all computers built around the Pentium PowerPC and Alpha microprocessors With its 33 MHz clock speed PCI has the capability of burst transfer rates as high as 133 MB s This number can be doubled if the 64 bit extension of PCI is used Mean Display Method When two or more samples are to be displayed on the same pixel column Mean averages all the data points in order to display one single point This is useful when the number of samp
98. e result of integrating a constant amplitude function is a linear function Note that the scaling of the integration operation is not preserved Current analysis will be useful in applications where the relative and not the absolute value of the integration is desired GageScope 263 Differentiation 4 The signal of interest in this case will be the integrated signal shown as Channel 3 in step 6 2 From the Tools menu select Extended Math or or select A from the toolbar The New Analysis Dialog box will appear Hew x Aas Analysis dt Extended math Operand 1 Ch 3 Result Ch 4 3 Select Channel 3 from the Operand 1 drop down menu 4 Click on the El tab 5 Select channel 4 for the Result drop down menu 264 GageScope 6 Click OK The result appears as GageScope Professional edition ver 2 20 CS2125 Display1 5 File View Capture Tools Window Help l x SH E BDR tt f a fat foo he e S N Ia Info View x C 2125 Trigger Depth cht Level I 23 4 m Trace Drawing Timebase Vert Scale Position CE Peston ra mon em Ea T Caw H z z 252125 Display1 a AE a f aj The result of differentiating an linear function should be a constant amplitude function The scaling is however not preserved GageScope 265 Autocorrelation The Correlation function shows e How similar two functions are e How lo
99. e the signal with 256 levels only This way they can fit all 256 pixels on screen CompuScopes which offer up to 16 bit resolution digitize the signal with up to 65 536 levels There is no screen in the world that can display that many pixels Hence the ability to display only a portion of the capture signal s dynamic range is necessary If however you are more familiar with the traditional linkage of vertical scale and input range simply select Scope Mode GageScope 183 Channel Control Trace Tab Position The Position setting is located in the Trace tab of the Channel Control C5 Input Trace Drawing Position Buttons Current setting This setting is available only if an individual channel tab is current 1 e Chl Ch2 The position of a channel is measured in terms of divisions relative to the X axis a division equaling one square in the grid It should be noted that changing the position of a channel only changes the display offset for that channel no hardware offset is induced due to position changes For more information on the grid see page 151 Moving a Channel via the Position Buttons 4 Click on the Trace tab in the Channel Control 2 e Toraisea channel click on pi e To lower a channel click on Moving a Channel Directly in the Display Window 4 Position the mouse pointer on a channel s zero line The channel will turn white to indicate that it has the current focus
100. e the text indicates the current hardware status the background color indicates the status of the currently displayed acquisition Waiting The message Waiting means the system is currently waiting for a trigger to occur in order to perform a capture Waiting is displayed on a magenta background Ready The message Ready means a trigger event has occurred and a capture is being performed A green background means a trigger occurred normally A yellow background means a timeout occurred and GageScope forced a trigger A blue background means a trigger was forced in Continuous Capture mode Stop The message Stop means GageScope has stopped the current acquisition A blue background means a trigger was forced a green background means a trigger occurred normally Transferring The message Transferring means GageScope is transferring data from the board to the internal buffers of GageScope Arming The message Arming means that GageScope is transferring data from the internal buffers to the board for generation GageScope 215 Info View The InfoView Window truly differentiates GageScope from all other oscilloscope programs on the market Using the advanced analysis tools GageScope can analyze the signal data and display the results in the InfoView window InfoView is what the marriage of instruments and computers is all about Any results calculated in GageScope are displayed in
101. e trigger capture is disabled e Multiple Record comes as a standard feature or as an option on most CompuScope cards but is not available on the CompuScope LITE If your CompuScope card does not have this capability the MulRec button will not be available 128 GageScope Performing a Multiple Record Capture 4 Click on the MulRec button to enable Multiple Record Multiple Record is enabled 1f its button is pressed in GageScope Professional edition BEE Ee View Capture Tools Window Help 052125 Trigger n General Settings CS Input Trace Total 128k k ea Smp 7 Fine m Te m Vert J al ero Invert Pret tig 0 Auto 100 0 ms A S Method peco y 2e ond U2 PostT rig 40964 MulRec T Pd C 2125 Seq CS2125 YT1 Min Max 2 r 2 GageScope automatically captures the post trigger data for as many records as possible depending on the current channel mode sample rate and post trigger depth settings Note If your CompuScope hardware supports this feature you can also set the desired number of records to be captured The number of records will be reflected in the Display Window underneath the channel number at the left For example if 31 records are captured as in our example you will see 1 of 31 displayed underneath Ch 1 GageScope 129 Viewing the Multiple Record Data 4 To move from record to record click the Multiple Record Playback buttons located in
102. eScope for Windowes v2 1 Tuesday June 08 1999 2 34 PM Page 1 2 Click Print to accept the current print settings 3 Click Zoom In or Zoom Out to view different parts of the previewed page 4 Ifyou have a color printer installed on your system click Colors to edit the colors to be used for each channel trace If you do not have a color printer installed this option will not be available 60 GageScope 5 You will see the Print Traces dialog Print Trace Colors To edit the colors click on a channel to highlight it and then click Change 6 The Color dialog appears Color Basic colors EES BT Custom colors BEE EEE Hue jeo Hed jo i if i i i i ip A Green 0 Beline Custam Calore Colors olid Lum jeo Blue jzs Cancel Add to Custom Colors Click on another color and click OK to accept The new colors will be displayed in the Print Preview window 7 Click Close to exit Print Preview GageScope File Exit The Exit command quits GageScope How it works 4 Click on the File menu 2 Click on Exit You can also click the X at the top right of the application window Note GageScope will not ask you if you wish to save any unsaved channels If you exit without first saving unsaved channels those channels will be lost 62 GageScope View Full Screen QA A ANe S S 8 bits AEn Full Screen The Full Screen command hides the System Display Channel and
103. easeanasseabbnanteswioentadeds 103 System Control CS Tab Channel MOG veh odceceets axsr ead sasbohsareswites baseetbavesa ted basbetdateextbeghededs 107 System Control CS Tab Super ls C8 icaser esi ewtneg pactaeensieeteadbed ois a a aiaa ieh 108 System Control Trigger Tab Trigger SOULCE cccceeeeesssseseeeeseesesesssssssssssssssssssssssesaeas 110 System Control Trigger Tab Trigger Slope siencscanhisassnatsesesldctatiwetustvadaddsectuntencssicarcadestent 111 System Control Triger Tab Trig cet Level eremeigiinie irii ai E E ETE A 112 System Control Frigger Tab Pater it aisd fs anderen n a E TEE atid aa ccaadees 114 System Control Depth Tabi Ob al iosersaa a E ies hunts ada ea rcaadentent 122 System Control Depth Tab Pre Trigger and Post Trigger Depth eeeeeeeeeeeeeeeees 123 System Control Depth Tab Fine Mode and Increment Buttons cccceeseeeeeeeeeeeeeees 125 System Control Depth Tabs Units sainia aaia E AEEA EA T AREA 125 System Control Depth Tab Auto Normal seco ccescsiecicceieivon taeda cdecas tert eine ec 126 System Control Depth Tab Multiple Record cccccceeceeessessessesseesssssssesssssessssseeseeaas 128 System Control CG1100 Tab Sample Rate 00 0 0 ceeeesceeeeeseessessesssssssessesssseeeesaaas 135 System Control CGI100 Tab Tigger riia a sian anlduan vans teases aces teeonckes 137 System Control CO LLOO Tab Moders face ait des end ac eas 139 System Control Out OT Tab SUCE senini i
104. el Control Averaging Trace Drawing Running Average The running average is performed on the acquisitions The N most recent acquisitions are averaged and the result is stored in the results channel This option is also available for the MulRec channels however only one MulRec channel can be averaged at a time Notes e The maximum number that can be entered for the Count in the Running average mode is 256 in the GageScope Professional Edition The Running average is not available in the Standard Edition of GageScope e For more details on Running see Averaging tool on page 231 174 GageScope Channel Control CS Input Tab Input Range The Input Range setting is located in the CS Input tab of the All Channel Control C5 Input Trace Coupling AC DE FU Ohm Impedance 1 MOhm Input Bagge Range The input range defines the range in volts the CompuScope card should measure when converting analog signals For example if the input range is set to 1 V then a signal that reaches 900 mV will be captured in its entirety while the peaks of a signal measuring 1 1 V will be cut off or clipped Wagnitude of input signal 900 mV P Pane el ee es EEE EEE LEE LE ETT T 7 IDPIMIG Input range TVW am Magnitude of input signals Forts 4ccrees LIV GageScope 175 Changing the Input Range 4 Click on the CS Input tab of the Channel Control 2 Click on the Input
105. ercentage of the current input range of the selected trigger source Trigger source Trigger Level SOunce slope Increment Lip pA Ch 01 Positive Decrement Button Bandwidth Trigger sensitivity TE j E ru e Highterect m j e low tejet Cancel For instance if your Trigger Source is set to Ch 1 and the current input range for Ch 1 is 1V if you select 50 the trigger level will be set to 500 mV If you select 10 the trigger level will be set to 100 mV The maximum positive setting is 100 and the maximum negative setting is 100 q rigger Level Button If your Trigger Source is set to External the Trigger Source dialog looks slightly different Trigger source SOU Slope JExtemal Fosztive ey Trigger seneithys Ful Highreect ke Pi Loves foe ac stv 5 Cancel In addition to Source Slope and Level this dialog includes the Input Range and Coupling settings as well Click OK when finished GageScope 9 Nowclick Apply in the Advanced Trigger Configuration dialog to apply the changes Your changes will be updated in the Display Window Advanced Trigger Configuration CS Creating a New Trigger Source 4 Inthe Advanced Trigger Configuration dialog click Add GageScope 119 2 This brings up the Trigger Source dialog with a blank Source field Trigger source S OUNCE Slope Level Positive o iks Bandwidth ee
106. est for applications like Mass Spectrometry where the signals are highly repetitive e The running average of a single MulRec record 4 To perform averaging in Multiple Record mode a Multiple Record acquisition must first be performed The MulRec item is available only if MulRec is enabled in the Depth tab of the System Control as shown below C8500 Trigger Depth Total 2M Simpl Pret rig 4096 4 PostTrig 4096 24 Fine Multi ple eit ee Record SoA REEE ERL LARE E Disabled For more details on Multiple Record see page 128 2 In this Multiple Record acquisition we will acquire 4096 samples GageScope calculates that we can acquire 31 records each containing 4096 samples given the amount of memory on board our CS2125 card CS2 25 Trigger Depth Total 128 k Smp Fine Semai Auto fio Kiii Multiple Record Enabled PostT rig 40964 Mules pai 082125 236 GageScope Averaging when MulRec is Not Checked 49 MulRec appears at two places e Inthe System Control MulRec appears under the Depth tab e Inthe Channel Control MulRec appears on the Trace tab once Multiple Record Option is selected in the System Control and an acquisition has been made It is important to remember that we have set the Multiple Record Mode by selecting the MulRec button in the System Control and now referring to the MulRec under the Channel Control By default the MulRec i
107. et mode Verty System Save system Add system LCompuscope Remove system Compugen Verty all systems Save all systems As soon as an option is selected the Instrument Manager creates a new folder with an appropriate name in the PC based Instrumentation folder As an example we have a CompuScope and a Compugen card configured in our PC These appear as System1 and System2 under PC based Instrumentation folder in the Instrument Manager 293 ES Exploring PC Based instrumentation Fle Yew Go Fyvote Tools Gage Help go aa d z a Up Pole i Fie Fis Dave cumenti Save all ciceed salem Hribar Address E PE Based ineiumentation Folders __Goribgurslicen he Typ Staut z Desktop DWINNT igagescop ine Compuncope Saved Mip Cinmpauter DAWINMT gsge_ gen imt Compugen Saved E amp Irterreet Explores Netvrok Neaghbetheond a irnar Maraga E g PC aped risinmertahon gy Recycle Bin My Brelcase System1 comprises of a Compuscope card while System2 shows that this system contains a Compugen card When Add System command is selected from the Gage drop down menu Instrument Manager creates a new System folder The Name of the folder depends on whether the System belongs to Compuscope or the Compugen cards In the present setup 1f you add a CompuScope card as a new system the name of the folder will be System2 and the Compugen system folder name will be automatically changed to be Sy
108. ew reference for the zero level Notes e Changing hardware settings such as sample rate acquisition mode or input range will cancel the previously issued Null Channel Input command Changing impedance or coupling will not change the calibration of the card however it can affect captured data and may require recalibration 180 GageScope Channel Control CS Input Tab Decimation The decimation setting is located in the CS Input tab of the Channel Control C5 Input Trace Drawing Coupling Range 200 mv 200 mv my Y 50 Chm Probe E Decimation 1 M hm Decimation is a feature by virtue of which a user can view large amounts of acquired data within GageScope Click on the Decimation command button view the Decimation dialog box Decimation Source Ch 1 of CS8500 i 8388592 Shark i Size 6 30606 16 BacobUe 3 i ite cee oem ae Start Record i 1 E ma P Records ia Factor Aedeo Bad AAF Type Skip Samples Min Max Cancel The settings in the decimation dialog box and the deep memory buffer size setting in the Preferences dialog box controls the decimation procedure Refer to the Tutorial section of this manual for a detailed explanation of how to use the decimation features GageScope 181 Channel Control Trace Tab Vertical Scale The Vertical Scale setting is located in the Trace tab of the Display Control C5 Input Trace Drawing
109. exn it FT ARAIA ee f du fat foo Og de Sjn m o 5 ll S evits A 6 m0 E late View 1 xi CS21 25 Trigger Depth Total 128k Smpl Fine General Settings Averaging Trace Drawing p Timebase Channel Na a Count 40 Average 7 Mulsec 7 Nomai azaage7 29 5 us d Start fo C Co amp dd P Running v Ch 05 ni EN Zl Ea Deeth aose ef FS Int resus CS2125 S2125 YT1 S Al amp ChO5 This is shown diagrammatically below A single MulRec record is averaged over n acquisitions to produce an averaged MulRec record 238 GageScope Record 1 Record 2 Record 3 Record 4 Acquisition 1 Record 1 Record 2 Record 3 Record 4 Acquisition 2 Record 1 Record 2 Record 3 Record 4 Acquisition 3 Record 1 Record 2 Record 3 i Record 4 Result Result Record 1 Acquisition 1 Record 1 Acquisition 2 Record 1 Acquisition 3 Record 1 Acquisition n Record 1 53 You can specify which resultant record is averaged and displayed via the Record Counter in the Trace Tab of the Channel Control or the Multiple Record Playback buttons in the toolbar IM p Sn M aN CS Input Trace Trace Connect Dots Invert Method Record Verk Scale Multiple Record Counter GageScope 239 raging when Mulrec is Checked 54 Now we will perfo
110. fine the gain of the oscilloscope probe used to capture external signals The available values are 1 V 2V 5V 10V 20V 50V 100V 200V 500V 1000V 2000V and 5000V It should be noted that GageScope does not read the probe settings used It is entirely up to the user to enter the correct probe setting Changing the Input Range 4 Click on the CS Input tab of the Channel Control 2 Click on the Probe drop down list 3 Select a value from the list GageScope 177 Channel Control CS Input Tab Coupling The Coupling setting is located in the CS Input tab of the All Channel Control Coupling AC HE AQ Ohm Impedance 1 MOhm C5 Input Trace Coupling PC By default GageScope sets all channels to DC coupling This option will not be available if your CompuScope card does not support this feature Toggling the Coupling via the Channel Control 4 Click on the CS Input tab in the Channel Control 2 To change to AC coupling click on the AC button To change back to DC coupling click on the DC button Toggling the Coupling via the Channel Context Menu 4 Position the mouse pointer on a channel s zero line The channel will turn white to indicate that it has the current focus 2 Click on the right mouse button to bring up the channel context menu 3 Click on Coupling with the left mouse button The Coupling sub menu appears The current setting has a bullet next to it 4 Click on A
111. formation G Uninstalling GageScope this might take some time please be patient Once your system is no longer busy close the Control Panel re open it and select Add Remove Programs to verify that GageScope and all installed components have been removed from the list of installed programs GageScope Reference The Reference section contains information on every feature of GageScope If you are new to GageScope it is recommended that you try out the tutorials Contents Quick Reference 43 Menu Commands 44 Fle Save 10 eee ne Re ARR ee a ee a ee ee ee re eee 45 File Eoad Senp enaud easier aad eee aud celia ad AE 46 TINGS ING We oran T des mmmneutdcniaae 47 File Eoad 6 ating ie ie eh hae ies aie ee i tl ac oie ted Aa ie ie al ae ea he ho ce 53 File Save Mamie aie ea ie sg aaa at te Sa ee lal E 54 File ag EO Bete Y 0 1 0 Jereetier eee et one Reet E On mt mi nee nt err eT RE nan om nee can nner 58 File eb eee een neem cr Spee ne men Rete E rn eae EC EE Reena ERO 59 File Punt PCG V1 Wy esc a O eee eee 60 FIE Ex eee cee renner enn EE mere em OnE een RO ee RL eee ee ees 62 Wiew Bull SCE Citic 2 14 sounded seaens E a a seeded 63 View Systems Displays Channels Info View Toolbar ccccccccccccccccccccceeeeeeeeeeeeeeeees 64 Canare ONG ts NOU sieran a a e ieee 65 Capre COMLIMIOUS Giner e a a a S 66 Cap mie SO Demi A E a a eu eats otteod cass 67 Capture Force IGGL riisman era a a a a 68 Capre ADO een PServer CE
112. fy System GageScope 289 290 Repeat the same procedure for the Base Memory address for the PCI card Click on the drop down list button besides the text box in the New Group The list of available memory base addresses appear EJ Modify System Scroll down to the bottom of the list Select PCI PnP EJ Modify System Pare z ox PCI Prr di Note that the text boxes under the Current setting are greyed out since the new configuration has not been saved as yet GageScope 5 Remove Card To be able to remove a card from the system you must select an already installed card from within the Instrument Manager Explorer Follow the following sequence of steps to get to the PC based Instruments folder in the Instrument Manager Explorer Start gt Explore gt Instrument Manager gt PC based Instruments You will see the following window ES Exploring PC Dazed instrumentation File Wew Go Favortes Tools Gage Help a al ca i Beck 7 Fowsd Up Sudane eno Save cument Save all yelar Down ort I Addiess E FC Basted inttrumentaton Folders Configuration lie Type T Status _ 7 Desktop DWINMT gagencop inc Compuncope Saved E BB My Compute DWAIN gage genuine Lomguager Saved Irterreet Explores Netvrok Neaghbetheod og Recycle Bin My Brelcase Click on System 1 to select it You will notice that the entire row will be selected Now right click
113. g Trigger source Ea enor rosie E OP plici fae a aa E a Eai ajani 116 GageScope 4 To change the Trigger Source click on the Source drop down list The available trigger sources are input signals Ch 1 Ch 2 etc and External Disabled is not available from this dialog to disable a trigger you must select Disabled from the Source drop down menu in the main Trigger tab JOUCE Slope Level Ch 01 Positive F ofp 0 Bandwidth ah eR E Ful High reject Trigger sensitivity efau a o Low rent Cancel e Note that on CompuScope 1016 the trigger source can be External only e Note also that if you have a Multi Card system installed you will see one trigger source for each channel available in your system For example for a three card CS8012A system there will be six input channel trigger sources available since each CS8012A has two input channels If you do not see the right number of trigger sources go to Preferences in the Tools menu and make sure the Independent Trigger item is checked See page 81 for details 5 To change the Trigger Slope either positive or negative click on the Slope drop down list Trigger source JOUrCE Slope cho Positive a Bandwidth ok paar ee ee ian cee Trigger sensitivity efan m i a ajan Cancel Trager Slo pe GageScope 117 To change the Trigger Level use the increment decrement buttons to set a p
114. geScope 301 Note 1 Memory types For portability reasons the signal files use the following predefined memory types char ASCII character int 8 signed char or byte ulnt8 unsigned char or byte intl6 signed 16 bit integer ulnt 16 unsigned 16 bit integer int32 signed 32 bit integer ulnt 32 unsigned 32 bit integer Note 2 Miscellaneous e GageScope files are always stored in the dual channel format i e Op Mode 2 e GageScope can also save files in the 32 bit format 302 GageScope Note 3 The sample rate index to the sample rate table For all file Version 2 65 and Version 2 70 and above Version 2 85 and versions below above Index Sample Index Sample Index Sample Rate Index Sample Rate Rate Rate oe Pe fiw os ee e ion 2 somite 24 25m 2 20M e son 2 ioma 2 somm 26 somm o i GageScope 303 500 MHz For File Version 2 80 and above Version 3 00 and above Version 3 00 and above To e EAE E a e 3 fone af 20 sf sone S e 0 tie 7200 tie e 50 fiz ES EE EA EA ES E Sample Rate 1 MHz 2 MHz 2 5 MHz 5 MHz 10 MHz 12 5 MHz 20 MHz 25 MHz 30 MHz 40 MHz 50 MHz 60 MHz 65 MHz 80 MHz 100 MHz ie aoo Ci o 18 33 19 34 20 35 21 36 Zz 37 23 38 24 39 25 40 26 4 27 42 28 43 29 44 30 45 31 46 2 7 3 4 2 3 4 5 7 10 1 12 13 14 15 16 17 This entry was prev
115. gering and the Status Bar 215 Troubleshooting ccccccccccsssseeeeeeeees 271 U Uinstalling GageScope Sasa EEA TEE 35 y Verica Scalesin ea 182 VACN NMEN aaa a 63 64 W Waiting message in Status Bar 215 WaT Yeon Saancese doceesnalenewsate duets 16 Waveform Parameters 0000000 245 Waveform Parameters command 79 344 Y IAR A E ous uoasensehoratens 153 Z TAE KETE E 158 ZOOM Tool enea 88 GageScope
116. gger Level The trigger level is the level in Volts a signal must cross in order for a trigger event to occur For example if the trigger is set to 500 mV and the signal reaches 400 mV a trigger event does not occur But if the signal rises to 600 mV the signal will have crossed the trigger level invoking a trigger event and subsequent data acquisition In the display window the trigger level is represented by a slope icon to the far left of a channel with a dashed horizontal line connected to it Trigger Marker The vertical line with a small T in the display window marking time zero in a data acquisition The trigger marker points to when the trigger occurred Data to the left of the trigger marker is Pre trigger Data data to the right is Post trigger Data Trigger Source The source GageScope looks at when determining if a trigger event has occurred In GageScope the choices are input signals channel 1 and channel 2 External Trigger and Free Run Trigger View Trigger View is a powerful feature of GageScope software which allows the user to view the signal being captured by a CompuScope card in real time This feature differentiates Gage products from all other PC based and stand alone digital oscilloscopes GageScope 323 Vertical Resolution Vertical resolution is the number of bits with which an A D system can estimate the amplitude of the analog signal It must be noted that the vertical resolution is not the
117. hannel You can also select button in the Toolbar The New Channel Dialog will appear New Ea y Channel Sub Channel Source Ch 1 Result cy 3 Start End E Trigger zj M fer End E C Through C Through 2 Choose from the available options that appear in the new channel dialog box 3 Select a channel from the Result drop down menu 4 Click OK when finished or Cancel to abort the changes Refer to Channel Control Section on page 163 and the Tutorial section for detailed discussion on Subchannel 74 GageScope Tools Averaged Channel QA Ne Site One eM Sw tess Ali k f dan Jat fo Seg 14 bp OT i ml oS Mew Averaged Channel This command brings up the new Averaged Channel dialog box which allows the user to carry out the averaging of the selected channels using several methods available Note The full functionality of the Averaging analysis tool 1s available only when you have purchased and installed the Professional Edition of GageScope software There however are a few features included in the GageScope Standard Edition See Averaging tool on page 231 for more details GageScope 15 Tools FFT SH 2aAryapdex TF 7 ee ne QQ ANS Sfin Aine New FFT Channel This command brings up the New FFT Channel dialog which allows you to specify the settings for a new FFT signal analysis Note The full functionality of the FFT analysis tool is available
118. hannels by clicking on the appropriate channel tab at the bottom of the control Coupling AC l oe DC Ferte AO Ohm Probe E Impedance 1 M hm C5 Input Trace Channel Tabs The All Channels tab allows you to control certain settings for all current channels simultaneously These settings are e Vertical Scale e Polarization e Current Record Number in Multiple Record Mode and AutoSave e Connect Dots e Input Range e Probe e Coupling e Impedance e Null Channel Input 160 GageScope The channel control contains the following tabs and settings Subchannel Tab Page 163 e Starting and Ending of the Subchannel e References e Start and End Offset Averaging Tab Page 169 e Acquisitions e Average on Multiple Record e Averaging vs Co adding e Intermediate results e Running Average CS Input Tab Page 175 e Input Range e Probe e Coupling e Impedance e Null Channel Input e Decimation Trace Tab Page 182 The options available on this tab vary depending on whether the All Channels tab or an individual channel tab is current The list below contains all of the possible options e Vertical Scale e Position e Connect Dots e Method e Polarization GageScope Drawing Tab Page 191 This tab is not available when the All Channels tab is current Drawing tab elements apply to individual channels only e Method e Connect dots e Format e Color e Align by
119. he Standard Edition of GageScope See AutoSave tool on page 218 for more details 78 GageScope Tools Waveform Parameters QA ANS ee a E Hi a As BDs Kle FF f du fa fia By a p DW i Edit Waveform Parameters This command brings up the Edit Waveform Parameters dialog which allows you to change which parameters are shown in the InfoView windows Note The full functionality of the Waveform Parameters tool is available only when you have purchased and installed the Professional Edition of GageScope software There are a few features included in the Standard Edition of GageScope See Waveform Parameters tool on page 245 for more details GageScope 79 Tools Preferences This command brings up the Preferences dialog which allows you to change GageScope preferences pe Preferences Load signals from Signal Files fla Signal Files WAutosaveG Sains ast m ge altable cy PATER 5 lett a ea ery 5 awark Directories Allows you to specify the directories for loading signals saving signals and saving AutoSave configuration files asf The defaults are e Load signals from C Gage Gagescope Signal Files e Save signals to C Gage Gagescope Signal Files e AutoSave configuration file name C Gage Gagescope AutoSave GagescopeAS asf To change any of these settings click on 1 80 GageScope Miscellaneous GageScope Accept long file names W
120. he number of acquisitions to be averaged e Start It specifies the first sample of the averaged region relative to the trigger position For a selected portion of the acquisitions to be averaged the user has the option to select the starting point of the acquisition to be averaged e Averaging Depth This is the length of the portion of the signal to be averaged The maximum averaging depth Max is 8192 in the GageScope Professional Edition when the running average option is selected 231 4 Select an averaging method from the Method menu Users are provided with the following options e Average The first point of the acquisition is added to the first point of the second acquisition and the process is repeated till the number of additions equal the number specified as the average count This number is now divided by the average count and is then identified as the first point of the results channel The process is repeated for the average length of the acquisition e CoAdd When CoAdd is selected all steps are followed as in the Average option except that after adding the specified number of acquisitions the result is stored as a sum and is not divided by the average count By selecting the intermediate display option one can view the results of the intermediate CoAdd steps 5 Choose an item from the Settings e Running Average The N most recent acquisitions are added and then averaged The result is stored in the results channel O
121. he program is furnished to be free from defects in materials and workmanship under normal use for a period of one year from the date of delivery to you as evidenced by a copy of your receipt Limitations of Remedies Gage Applied Technologies Inc s entire liability and your exclusive remedy shall be a with respect to defective media during the warranty period Gage Applied Technologies Inc will replace media not meeting Gage Applied Technologies Inc s Limited Warranty if returned to Gage Applied Technologies Inc or its authorized representative with a copy of your receipt or b if Gage Applied Technologies Inc or its representative is unable to deliver replacement media free of defects in materials and workmanship you may terminate the Agreement by returning the program and your money will be refunded IN NO EVENT WILL GAGE APPLIED TECHNOLOGIES INC BE LIABLE FOR ANY DAMAGES INCLUDING ANY LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF OR INABILITY TO USE SUCH PROGRAM EVEN IF GAGE APPLIED TECHNOLOGIES INC OR ITS AUTHORIZED REPRESENTATIVE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR ANY CLAIM BY ANY OTHER PARTY SOME JURISDICTIONS DO NOT ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU General You may not sublicense assign or transfer the license or the prog
122. he time it takes for the negative portion of a signal to complete compared to one whole cycle It is defined as Negative Width Period x 100 PosOvershoot Positive Overshoot is measured in Volts and is defined as Maximum Value High Flat Value When the method is set to MinMax Positive Overshoot is 0 NegOvershoot Negative Overshoot is measured in Volts and is defined as Minimum Value Low Flat Value When the method is set to MinMax Negative Overshoot is 0 Top Top is the average of the highest values recorded for all the cycles in the signal Bottom Bottom 1s the average of the lowest values recorded for all the cycles in the signal Minimum Minimum is the lowest voltage recorded for the signal Maximum Maximum is the highest voltage recorded for the signal NumCycles Number of cycles is the total number of cycles in the signal 254 GageScope FFT Analysis The FFT Analysis tool for GageScope provides multiple channel spectral analysis with simultaneous viewing of time and frequency domain data all within the easy to use framework of GageScope GageScope Standard edition ver 2 22 CS2125 FFT2 a File View Capture Tools Window Help l x w Al l BDR E RRIA f da fat foo Oy te POM Mw KGS spis ga El Info Vica ix Center 31 3 kHz Span 62 5 kHz f Watch1 f _ For Help press F1 NUM C 2125 Trigger Depth General Trace Sample rate 1MS s x Horizontal Vert
123. hen a timeout limit is reached Spline Interpolation When GageScope performs Spline Interpolation intermediate sample points are added to a signal in order to smoothen its appearance See Interpolation Timeout The timeout limit is the amount of time GageScope waits for a trigger event A timeout occurs when the timeout limit is reached before a trigger event occurs In the event of a timeout GageScope issues a software trigger i e it triggers at the moment of timeout Total Harmonic Distortion Total Harmonic Distortion THD 1s measured in a similar fashion to SNR Signal to Noise Ratio except for the fact that in the analysis the fundamental is compared to the size of the sum of the harmonics If some of the harmonics lie outside the 0 to F 2 range it is the aliased versions of the harmonics that are seen in the base band 322 GageScope Trace A Trace refers to the actual line displayed to represent a waveform in GageScope Trigger Event A trigger event is the moment when a trigger is detected by GageScope causing it to begin a data acquisition For example if the trigger source is set to channel 1 and the trigger level is set to 600 mV then a trigger event will only occur if the input signal of channel 1 rises past 600 mV The detection of a trigger is affected by a variety of settings in GageScope See trigger level and trigger source Also see Basic Concepts of the Triggering tutorial Tri
124. hen checked GageScope will allow long file names when saving files By default this item is checked Show tool tips When checked GageScope will display Tool Tips when the mouse is positioned over a toolbar button By default this item is checked Use Caltable When checked GageScope will use a Calibration Table to set gains and offsets on the CompuScope card s instead of using Auto Calibration Not recommended for normal use This item is available only if GageScope detects a Calibration Table file filename caltable dac in the proper folder For Windows NT this file should be kept in the Windows System32 Drivers folder For Windows 95 98 this file should be kept in the Gage GageScope folder Smart tabs When checked GageScope will remember which Channel Control tab you were browsing when you move from one channel tab to another By default this item 1s checked Independent Trigger For Master Slave systems of selected CompuScope cards only When this item is checked you will be able to set not only the Master board channels as trigger sources but also the Slave board channels This is very useful in applications that require a multi board system to trigger from any one of the channels By default this 1tem 1s checked Scope Mode When selected this option links the sample rate and input range settings to the timebase and vertical scale selected by the user This provides a control method very sim
125. ical Channel Name Start Position FFT Type Full Scale dEfs aia e Dual Center Or a o ij Window Rect r abit a Span a Min gt Num Points 8192 of Display1 2125 FFT2 da Ch1 Notes e You must set your screen to 256 colors minimum in order to use the FFT Analysis tool otherwise your screen display may be garbled GageScope 255 Using the FFT Analysis Tool 58 To initiate an analysis of a signal select the A button in the Toolbar Ti 4 j T 4 N o SAA lit poet L Cry ce re pl eee fi om L 1 CH m T Pe a EL past b my i 7 as fs k a Pei i oh fee a Mew FFT Channel You can also select FFT from the Tools menu 59 The FFT Dialog will appear 256 GageScope 60 Choose from the available options that appear at the right Source Target Window Start Num Points FFT Type Window Type GageScope The channel the FFT analysis will be performed on The window that FFT analysis will be displayed in The starting sample point for the analysis 0 means the point at which a trigger occurred and capture began The number of points to use in the analysis The maximum number of points supported in the Professional Edition of GageScope is 4 Million Choice of FFT Type includes Full Scale dBfs 1 milliwatt dBm and 1 Volt dBV Choice of window type includes Rect Parzen Hanning Welch Hamming E
126. iew this field In case the Status field does not show Saved click on Save configuration icon from the toolbar or the drop down Gage menu Follow the same procedure for the CompuGen card to view and save the configuration settings for that card GageScope 4 Double click on System2 to view the System2 configuration as follows Ex Exploring i Ee Miew Go Favorite Took Gage gt isd arr Backs E Rona Syrtems a KEE pedei cad apam i i A ss fat Sete F Folder Instrument Manager E E PC Based nsinmertstion System ts You can view the configurations settings for a single CompuGen card CG1100 present in your PC Click on Save configuration icon from the toolbar or the drop down Gage menu GageScope 29 Gage Menu in the Menu bar within Instrument Manager Explorer allows users to configure newly installed Gage cards set various options like adding removing saving file configurations for Gage CompuScope and CompuGen cards Click on the Gage in the menu bar The Gage menu drop down list appears Compugen Driver Lompuscope Driver Add card Remove card Set mode werty System Save system Add system Remove system Verity all systems Save all systems The details of each individual item in the menu are explained in Appendix A Once the CompuScope and CompuGen cards are configured properly these need to be verified for proper operation Click Verify System and Verify a
127. ilar to that of stand alone digital oscilloscopes on the market Input range is set to be greater than or equal to 4 times the vertical scale Sample rate is set to be greater than the value required to display more than 4 samples per division You can also set Scope Mode by clicking on the AE tool 81 82 DM Buffer Max Size This option is used whenever you have a CompuScope card with more than 16 Meg of acquisition memory The Deep Memory Buffer Max size refers to allocating for every channel actual physical memory present in the system that will be used for displaying the acquired signals in GageScope The minimum and maximum DM Buffer size are 8 and 64 Mega Bytes MB per channel respectively Care must be exercised in allocating a value in the DM Buffer max size text box You must make sure that the total memory available in the PC is significantly greater than the DM maximum buffer size Please refer to the chapter titled Decimation in the tutorial section of this manual for detailed discussion on how to use the Deep Memory option GageScope Default action on stop acquisition GageScope Do not display Abort dialog When this item is unchecked GageScope will display the Abort dialog when the user issues a command during a very long acquisition By default this item is unchecked When the Abort dialog is displayed you must choose between Abort and Continue Clicking Continue means that the cu
128. ime by time tg such that ta 1 N F This yields a sampling rate of N F with the condition that in an Equivalent Time Sampling system the input signal must be repetitive If the input signal changes even by a very small margin for a short period of time Equivalent Time Sampling method will either not capture the change or capture it and give an erroneous result See Real Time Sampling Full Power Analog Bandwidth Full Power Analog Bandwidth is defined as the frequency at which the output is 3 dB below the input when the input is at its full scale See Analog Bandwidth Gated Digitization An optional hardware upgrade for CompuScope cards that allows the user to select the portion of the input signal to be digitized When nothing is connected to the Gate or Gate is made HIGH data is stored in the on board memory Grid The Grid is a set of vertical and horizontal lines drawn at regular intervals in the display window The resulting grid has 8 squares from top to bottom and 10 squares from left to right although this can be changed by the user Each square is counted as a division and is used as a reference in other parts of GageScope such as the Position setting in the Parameter tab of the Channel Control The grid is a permanent fixture in the display window and is not affected by movement of the scroll bar Input Range The Input Range is the range in Volts that GageScope uses to acquire data The current rang
129. in the dialog box GageScope will verify that the entry meets the requirements of the hardware and will correct it if necessary Disabling Pre trigger Depth If the Pre Trig button is enabled pre trigger capture is on To turn off pre trigger capture click on the Pre Trig button 124 GageScope System Control Depth Tab Fine Mode and Increment Buttons The Fine Button is located in the Depth tab of the System Control C8500 Trigger Depth Tatal 2M Smp Fine Fine Button 4036 Auto fioo ms o nape aa 4096 i MulR ec F C1100 When Fine Mode is enabled changes to depth settings occur in increments of 64 samples When Fine Mode is off changes occur in increments of 640 samples Fine Mode is enabled by default System Control Depth Tab Units The Depth Units field is located in the Depth tab of the System Control Units Set to C8500 Trigger Depth a samples Total 2M Smp ine ig 4096 Auto na Oms f ral m The unit is always set to Samples GageScope 125 System Control Depth Tab Auto Normal The Auto Normal setting is located in the Depth tab of the System Control Current CS8500 Trigger Depth l ij Timeout Value Total i a J Fine Timeout Button m Currently Enabled The Auto setting is the amount of time GageScope waits for a trigger event to occur The default setting is 10 ms If the Auto but
130. indows horizontal and vertical scroll bars to view different portions of the signal Import Signals into Reports and Manuals Capturing signals in the Windows environment allows you to effortlessly bring the waveform plots into word processing documents such as project reports and product manuals Remote Control of your CompuScope or CompuGen Cards GageScope can be run remotely using standard Windows utility programs This allows you control over your CompuScope or CompuGen cards even when you are not physically in the laboratory Simultaneous Time and Frequency Domain Display Now you can view captured signals in both time and frequency domain using the powerful FFT capabilities of GageScope Save Signals and Setups to Disk A virtually infinite number of signals can be saved using GageScope Saving signal files in binary or ASCII format allows you to post process the data using analysis packages such as MATLAB Excel Mathcad etc Setup files can also be saved allowing you to easily go back to a previously set up experiment InfoView Not only does GageScope allow you to capture signals and make measurements it also provides results which can be displayed in the InfoView window on the screen Flexible Printing If you use GageScope you can print to any Windows compatible printer or fax including network devices to get a hard copy of your measurements Royalty Free File Viewer Signal files saved by GageScope can be
131. information on the Trigger Lines see page 112 GageScope 157 Display Control Settings Tab Zero Lines Button The Zero Lines button is located in the Settings tab of the Display Control General Settings Grd ar Persistence T rigger Lines x Axis Color none Zero Lines e Y Axis Color Infinte Back Colar C5 2125 YT 1 Lero Lines Enabled The zero line of a channel is the dashed horizontal line that runs near the middle of the signal and indicates the 0 Volts reference To toggle the zero lines on and off click on the Zero Lines button The color of a Zero Line is always set to the same color as its channel GageScope 158 Display Control Settings Tab Background Color Button The Background Color button is located in the Settings tab of the Display Control General Sethings Trigger Lir land Color Persistence gger Line x Axis Color none Zero nee axis Color 1 Infinite Back Color 4 Background Color CS27125 7T1 Click on the Back Color button to change the background color of the Display Window By default the background color is set to black GageScope 159 Channel Control The Channel Control contains options for changing the settings of individual channels such as position vertical scale color coupling and polarization When changing channel settings make sure the changes are being made to the intended c
132. intl6 2 inverted data 0 normal data 1 inverted data CS220 2 inverted and flipped data CS220 337 ulntl6 2 board type The CompuScope board type on which the saved data was captured Note 6 339 intl6 2 resolution 12 bits 0 8 bit file format 1 12 16 bit file format 341 intl6 2 multiple record The mode that the saved data was captured in 0 normal mode Hardware multiple record 2 Software multiple record Note 5 Multiple record with least significant bits saved and 6 Software multiple record with least significant bits saved are not available in GageScope They are currently only available in the drivers with a hardware upgrade trigger probe Index to the probe table Note 4 298 GageScope File Field Field Field Variable Field Description Index Type Size 345 intl6 2 sample offset Used to offset the data for display and conversion to real voltages Normally 127 for 8 bit CompuScopes and 1 for 12 bit CompuScopes File versions before GS V 2 95 will have sample offset 0 for 12 bit CompuScopes and 128 for 8 bit CompuScopes 347 intl6 sample_resolution Used to scale the data for display and conversion to real voltages Normally 128 for 8 bit CompuScopes and 2048 for 12 bit CompuScopes 349 intl6 sample _ bits Number of bits in the sampled data Normally 8 for 8 bit CompuScopes and 12 for 12 bit CompuScopes 351 ulnt32 extended trigger time The time
133. ions of menu commands some of which have equivalent buttons in the toolbar For descriptions of commands found in the toolbar only and not in menus see page 86 To quickly find out what a toolbar button does position the mouse pointer over a button a tool tip will appear with a description of the button 44 GageScope File Save Setup The Save Setup command saves current GageScope settings in a Setup file with the extension INI Upon startup GageScope chooses several default settings in order to display a signal As so many settings can be changed it can be tedious to have to repeatedly fix everything to your liking To solve this problem GageScope offers the ability to save all the current settings in a Setup file What is Saved Setup files record the following information e CompuScope card and CompuGen card s Display Settings Channel mode sample rate e Channel Settings input range coupling position vertical scale polarization channel name comments e Trigger Settings Trigger type trigger level timeout trigger slope depth units post trigger depth pre trigger depth e Display Settings Timebase channel visibility GageScope for DOS Setup File Compatibility The GageScope setup file format INI is not compatible with the GageScope for DOS setup file format SET How it Works 4 Choose Save Setup from the File menu The Save Setup dialog appears 2 Inthe File na
134. ions set forth elsewhere in this Agreement or if you fail to comply with any term or condition of this Agreement You agree upon such termination to destroy the program together with all copies modifications and merged portions in any form GageScope 4 Limited Warranty Gage Applied Technologies Inc warrants the media on which the program is furnished to be free from defects in materials and workmanship under normal use for a period of one year from the date of delivery to you as evidenced by a copy of your receipt THE PROGRAM IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK TO THE QUALITY AND PERFORMANCE OF THE PROGRAMS LIES WITH YOU SHOULD THE PROGRAM PROVE DEFECTIVE YOU AND NOT GAGE APPLIED TECHNOLOGIES INC ASSUME THE ENTIRE COST OF ALL NECESSARY SERVICING REPAIR OR CORRECTION SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM ONE JURISDICTION TO ANOTHER Gage Applied Technologies Inc does not warrant that the functions contained in the program will meet your requirements or that the operation of the program will be uninterrupted or error free However Gage Applied Technologies Inc warrants the media on which t
135. iously 4 MHz Used on CSx012 and CSx012 PCI boards except for CS512 and CS512 PCI Support for this sample rate has been dropped 304 Note 4 The captured gain and trigger gain input ranges If file version equals GS V 1 20 Input Range lv H 200m If file version is greater than or equal to GS V 2 00 Input Range 10v 6 100m Note 5 The probe connected to the input channel at time of capture If file version is less than or equal to GS V 2 10 Probe Multiplier o a GageScope 305 If file_version is greater than or equal to GS V 2 15 of s so Note 6 The trigger level and the captured data 8 bit ulnt8 format The byte stored as the trigger level is in the following format the data on the CS8500 CS2125 CS265 CS250 CS225 and CSLITE is represented as an 8 bit unsigned integer where the smallest value 0 represents 1 V and the largest value 255 represents 1 V On the other hand for the captured data smallest value 0 represents 1 V and the largest value 255 represents 1 V The data is normalized into a signed floating point representation The input range and probe are then multiplied by the return value to produce the actual level either sent to the hardware as the trigger level or returned from it after capture If the resolution 12 bits flag equals zero then the data is stored as unsigned 8 bit bytes Otherwise if the resolution 12 bits flag equals one
136. l Control Subchannel Trace Drawing stot fie End 2 H ma Jf l Start Offset End Offset Offset The number entered in this box specifies the first sample of the subchannel displaced with respect to the selected reference This is the case when the offset appears in the Start dialog area When a number is entered in this field in the End dialog area the last sample of the subchannel will be selected with respect to the reference The figure below shows the Start and End Offsets for the available references e The Source Start Reference Source Start as a Reference Subchannel L Start Subchannel ao End Selected Subchannel iii End Offset Source Start Trigger Source End Src Start Src End GageScope 167 e Trigger Reference Trigger as a Reference Subchannel ra Start Subchannel End Selected Subchannel i Start Offset i End Offset Source Start Trigger Source End Src Start Src End e Source End Reference Source End as a Reference Subchannel a Start Subchannel Pa End Selected ck Subchannel Start Offset l Negative ooo number End Offset Negative number Source Start Trigger Source End Src Start Src End See the Tutorial Section of this manual for further details on Subchanneling 168 GageScope Channel Control Averaging Tab Count The Count setting is located in the Averaging tab of
137. l oy Ch 04 _ For standard waveform generation the Samples setting specifies the total number of samples for a single period of the wave Looking at the settings in the figure above a 1600 samples sine wave will be created The period of the sine wave will be determined by the generation rate specified in the system control Refer to the system control section of this chapter for details on the generation procedure page 139 206 GageScope Display Window The Display Window shows live signals being acquired from a CompuScope card as well as signals loaded from disk You can move signals directly in this window as well as change certain settings via context menus In this Section e Channel Context Menu cc cccceccescesceecees e Display Window Context Menu e Trigger Context Menu e General Shortcuts GageScope 207 Channel Context Menu Many options found in the controls and menus are also available through the channel context menu 9 Position the mouse pointer on a channel s zero line The channel will turn white to indicate it has the current focus and the mouse pointer will change to a drag pointer 10 Click the right mouse button The channel context menu appears Save Channel Hide Send To EF Delete Channel Invert Reference Lines Color Edit 11 Click on a command using the left mouse button 208 GageScope Options Save Channel Hide Send To Delete Channel
138. le is two Mega Samples For 8 bit cards the memory specified in Samples is the same as the number of Bytes since a sample for 8 bit Gage cards is a Byte For 12 and 16 bit Gage cards the memory specified in Samples is to be multiplied by two to obtain the memory size in Bytes 283 284 Status Status shows the status of the configuration file Saved and Error are the two possible entries for Status Saved correspond to successful installation of drivers for the data acquisition card Saved means that the configuration settings for Compuscope or Compugen cards have been saved in the Windows directory Error status means that a card does not exist in the system GageScope Gage Menu Gage Menu in the Menu bar allows users to configure newly installed Gage cards set various options like adding removing saving file configurations for Gage CompuScope and CompuGen cards Follow the steps below to explore Gage menu items 69 View Gage Menu drop down list by selecting Start gt Explore gt Instrument Manager gt PC based Instruments gt Gage The Gage menu drop down list appears Compugen Driver Lompuscope Driver Add card Remove card Set mode Verity System Save system Add system Remove system Verity all systems Save all systems GageScope 285 70 Gage menu is subdivided into four classes e Driver Information Compugen Driver Select Compugen Driver from the menu The Compuge
139. le it performs the adding process rather than displaying just the final result Averaging Trace Drawing Count f4 Average MURET Start O wel Codd T Bonina Depth J409 M int results Reset intermediate Ag Chi as Ch2 Ch3 Settings 47 When the Int results box is checked the Reset button is available This button allows 234 you to set the counter back to 1 The screen below shows a Co add with 300 acquisitions showing intermediate results ki Linke a Dacre Piolo mhar Fle yi popis Dosi ai a ig btBh es Et Ae ae Ae Pe fa Rees PA i a fee aG F2 A J i A AA AN A AA VY ANN AN NW AI ithe rko Dar Cini 300 ar Sea Twi E ajr of Cees jie ee H Cet yt GageScope 48 Click the Trace tab in the Channel Properties dialog Note that the peak to peak p p amplitude of the CoAdded Channel 3 is 300 volts The signal on channel 1 was originally 1 Volt p p Averaging Trace Drawing Verk Scale A All Fc Chi Es A GageScope 235 Averaging in Multiple Record Mode When in Multiple Record mode averaging can be performed in three ways e A single MulRec record can be used to produce a single averaged MulRec record This method is best when the incoming signals are non repetitive such as in Imaging applications e A specified number of MulRec records can be averaged to produce a single averaged record This method is b
140. les per grid square becomes very large such as when the timebase 1s increased Mean increases the Effective Resolution when capturing and displaying low frequency signals at high sample rates 1 e when a signal is being oversampled See Display Method Megasamples A Megasample is 1 000 000 Samples GageScope 317 Memory Depth The A D data has to be stored in digital memory so the microprocessor can read it at a later time The amount of memory available for this purpose is called the memory depth of the A D system See On board Memory MinMax Display Method When two or more samples are to be displayed on the same pixel column MinMax plots the minimum and maximum values then draws a line between them This method allows glitch detection even at very low timebases See Display Method Multi Card System A Multi Card System is a system with multiple CompuScope or CompuGen cards that can be used with a common clock and trigger to provide multiple input or output channels at very high speed Multiple Record A feature supported by a number of CompuScope cards which lets the user take advantage of the very deep on board buffers The user is able to set the number of samples to be captured after a trigger but unlike the normal capture sequence the CompuScope card acquires the specified number of points and then re arms itself to acquire more data after another trigger Data collected from each successive acquisition is s
141. ll Systems to make sure that the newly installed card s are verified The description given above is a quick verification procedure in case the driver installation encountered no problems You must consult Appendix A for detailed description of the items in the Instrument Manager utility GageScope Launching GageScope for the First Time Before you run the program connect a signal from a signal generator or other source to the Channel A input of your CompuScope card Launching GageScope 1 A Windows shortcut icon was placed on the desktop during installation GaGe Double click this icon to run GageScope GageScope You can also access GageScope through the Start menu Click on Start Programs Gage GageScope GageScope If your CompuScope card is configured properly GageScope will start GageScope for Windows System1 Display1 5 File View Capture Tools Window Help 15 x SM 2 gt BSoxI t t RaR fe fin cg lide Sui KAI Shoe MBE ae ee Fo ee Ready M Pos 0 0 s aP Watch For Help press F1 NUM C 2125 Trigger Depth General Settings CS Input Trace Sample Rate 125 MSs m Timebase Channel Name Coupling E i 5us d Ch1 i uk paia Single Dual Ch renee m i lou m E IEA D TM ag Al fo hije Ch G Systemi In the above example two signals are being acquired using a CompuScope 2125 Your screen may differ If you are no
142. lue in the text box by either directly entering the desired number of sequences or by using the increment and decrement buttons at the right end of the text box GageScope System Control Out 01 Tab Source The Source setting is located in the Channel Number tab in System Control CG1100 Ouro Source None Z Fie Gain e Fit No Filter Offset mi 0 658500 g CG1100 Source Settings refer to the display channel number that will be used to generate the desired waveform on the output Channel labeled as Out 01 The Source is linked to the display channel containing the waveform created in GageScope Selecting a Source Channel 1 Click on the down arrow to view the drop down Source list CG1100 Out oi Source None Filter one JNoFiter_ zi Offset mi lo CSS500 CG1100 GageScope 141 2 142 Select Out 01 from the list to choose channel 1 as a Source Channel for signal generation Out 01 now appears as the source channel in the Source text box CG1100 Out o Source cho Z Fte Gan e Mo Fitter Offset mi E CSeouu C1100 Note that a waveform has already been created in GageScope and is represented as Out 01 This is the source waveform that shows up as Out 01 in the Source drop down list You will only see None in the drop down list if no AWG Channel exists We are assuming at present that there is at least one AWG channel Out 01 available to be uploaded
143. me field type in a file name 3 Goto the folder where you would like to save your Setup file 4 Click Save to save the Setup file GageScope 45 File Load Setup The Load Setup command loads a previously saved Setup file A Setup file contains the GageScope settings which were current at time of saving The Setup file has the extension INI For details on what is saved in a setup file see Save Setup on page 45 How it Works 1 Click Stop in the Toolbar to stop the current acquisition 2 Choose Load Setup from the File menu The Load Setup dialog appears 3 Goto the folder where you saved your Setup files and choose a file from the list 46 GageScope File New II File View Capture Toole Window Help iii fi Save Setup Chrl E ft Load Setup Ctrl L Hew Ctrl h oad Channel Ctrl O ia kd Save Channel Ctrl 5 Print Setup Print Ctrl P E Print Preview Exit The New command opens the New dialog box It imparts user the ability to use advanced computational features of GageScope like Averaging Parameter Extraction Advanced Math FFT analysis etc Hew x Math channel Operand 1 AutoS ave playback Cho Sub Channel gt Average channel _ ae Operand 2 Ch i Result ch O Cancel GageScope 47 How it works 1 48 The dialog box opens with Cancel tab selected as a default Following options are available to the user
144. me using this card 122 GageScope System Control Depth Tab Pre Trigger and Post Trigger Depth The Pre and Post Trigger Depth settings are located in the Depth tab of the System Control C8500 Trigger Depth Pretriqqer Total 2M Smp Fine Depth i f al sof Auto 10 0me f PastTrig mHE MulRec Post trigger A es a fe Pre trigger data is data that leads up to a trigger event In the Display Window the pre trigger signal is located to the left of the trigger marker line the vertical T line Post trigger data is data that follows a trigger event In the Display Window the post trigger signal is located to the right of the trigger marker By default pre and post trigger depths are set to 4096 samples Changing the Pre and Post trigger Depths To change the amount of pre or post trigger data click on the Increment Up or Increment Down L button C8500 Trigger Depth Total 2M Smp z Fine 4096 dagi Uto i a 4056 all Y 4 C538500 E CG By default Units is set to samples and Fine mode is on As such when clicking on an increment button the depth settings initially change by 64 samples See Fine Mode and Increment Buttons on the following pages for more information on how the depth settings are affected by these buttons m i Increment Buttons GageScope 123 You can also type the number of pre and post trigger points directly
145. meters AutoSave Averaging FFT Analysis and the Extended Math These analysis tools dramatically enhance the functionality of GageScope GageScope How to Use this Manual To get the most out of GageScope it is recommended that you read through this manual Getting Started provides detailed instructions on installing GageScope running the program and configuring your CompuScope and CompuGen cards with the Instrument Manager Tutorials contains seven tutorials designed to introduce how GageScope works If you are new to GageScope then Tutorial 1 Fundamentals is the best place to start Reference lists every feature of GageScope along with detailed descriptions on how they work Appendices describes the GageScope SIG binary signal file format default GageScope settings help on setting the I O address on CompuScope cards and other information related to using CompuScope cards It also contains information on how to configure CompuScope and CompuGen cards using the Instrument Manager utility Glossary lists the terms used in this manual with definitions for each Important Notes In order to produce most of the examples throughout the manual CompuScope 2125 CompuScope 8500 and CompuGen 1100 cards were used In instances where examples refer to settings that are specific to the equipment being used it may be necessary for you to alter the suggested settings to suit your particular instrument CompuS
146. n How it works 1 70 Choose AutoSave Setup from the Capture menu The AutoSave Setup dialog appears Autosaye fit Autosave General Ouput Directory Mutosave File Prefix as First Sample File Name inter Sample Delay 00h 00m 0 s Humber of Records fe Disk Space Required Ke SSS Disk Free Space 683 521 536 bytes Status LC Evaluate o The AutoSave dialog allows you to select the channels for which AutoSave should be set up as well as benchmark your settings to determine how long the system will need to perform a single AutoSave cycle using your settings To benchmark your AutoSave session select the channels you intend to save to disk and then click on Evaluate GageScope will determine how long it will take to perform the specified AutoSave session After you have specified the desired AutoSave settings click Start to begin the AutoSave process To save your current AutoSave setup click Save Setup GageScope 5 You will see the Save Setup dialog allowing you to specify the directory for the setup file The default directory is C Gage Gagescope AutoSave and the default AutoSave setup file name is GagescopeAS asf 6 To load a previously saved AutoSave setup file simply click Load Setup in the AutoSave Setup dialog This brings you to an Open dialog allowing you to select an asf file to load Note If you wish to change hardware settings before beginning the AutoSave you must exit the
147. n The Grid may not be that noticeable as the default Grid color is a subtle gray To make the grid stand out more change its color to white by clicking on the grid s Color button GageScope 151 Display Control Settings Tab X Axis Button The X Axis button is located in the Settings tab of the Display Control General Settings Grid Eer E wAxis p x Ari Coo none Fer Lines Ena kled Y Anis Color T Infinite Back Color C52125 YT 1 The X axis is a dashed horizontal line that divides the Display Window into two equal parts The X Axis is a permanent fixture in the Display Window and does not move with changes to the vertical scroll bar To toggle the X axis on and off click on the X Axis button You also have the option of changing the color of the X axis by clicking on the Color button next to the X Axis button 152 GageScope Display Control Settings Tab Y Axis Button The Y Axis button is located in the Settings tab of the Display Control General Settings and m Persistence Trigger Lines x Anis Color None Zero Lines Y ANIS i vis Color T Infinte Back Color Ena bl act C524125 7T1 The Y Axis is a dashed vertical line that divides the Display Window into two equal parts The Y Axis is a permanent fixture in the Display Window and does not move with changes to the horizontal scroll bar To toggle the Y axis on and off click on th
148. n Driver information dialog box appears Driver information Boards supported COTIO0CGT 3UCG 3250 Internal version 1 26 2 0 External version 1 26 2 0 Driver path CW IN DOW S S 75 TEMACGWINDLL OLL Driver size od kB Driver date April 12 2000 19 26 The Compugen Driver information dialog box shows the types of boards supported the version of the driver location of the driver file in your machine the driver size and date of creation Compuscope Driver Select Compuscope Driver from the menu The Compuscope Driver information dialog box appears Driver information E Boards supported C521 245 265 CPS00 CSx012PC 05x01 21 016 05 250 225 05220 CSLITE Internal version External version Driver path Driver size Driver date 3 22 06 3 22 06 CAWINDOWS 45 S TEMSGAGE_DRY OLL 106 kB October 10 2000 22 09 The Compuscope Driver information dialog box shows the types of boards supported the version of the driver location of the driver file in your machine the driver size and date of creation 286 GageScope e Adding Removing Cards GageScope Add Card To add a CompuScope or a CompuGen card click Add Card from the drop down menu The Modify System dialog box appears bo Modify System s Board location Current Memory base Os 00000 omea C Two important pieces of information required to add a new card are the IO and Memory base addresses Adding an ISA bus
149. n GageScope Gaiaa Instrument dependent Offset irinin Instrument dependent aera ee eee Instrument dependent Display Control Number of Displays 8 TAM CD ASC serere Instrument dependent Display Features All channels plus the Grid X axis Y axis Zero Lines and Trigger Line can be hidden Colors for these elements as well as the background color are customizable Channel Control Max of Channels 60 Full Scale Input 100 mV to 5 V if supported by your CompuScope Input Coupling AC or DC if supported by your CompuScope Impedance cccccceeeeeeees 50 Ohm and 1 Mega Ohm if supported by your CompuScope Vertical Scalesia 5 mV div to 1000 V div if supported by your CompuScope Polarization 00000008 Normal or inverted Display Methods Mean MinMax or Skip Samples Other options ccc008 Connect Dots on off color pen style pen width 14 GageScope Advanced Analysis Tools AUILO SAV 6 nrerin Allows unattended transient capture to disk with time and date stamp for record keeping Averaging ccccecccceceeeeeeeeeeees Allows averaging or co adding of multiple acquisitions Averaged or co added data can be displayed and saved to disk Waveform Parameterts Mean RMS Amplitude Peak to peak Period Frequency Fall Time Rise Time Positive Width Negative Width Positive Duty Negative Duty Positive Overshoot
150. n button 4 in the toolbar 2 Position the mouse pointer to the left of the desired portion of the waveform 3 Hold down the mouse button A vertical line will appear where you first click 4 Drag the mouse to the right of the portion of the signal you wish to see A second line will follow the movement of the mouse 5 Let go of the mouse button The area you selected is magnified When magnifying a particular area the zoom tool actually decreases the timebase in order to display the data within your selection then centers the area in the Display Window Note that zooming changes the horizontal scale only it does not affect the vertical scale of the channels Zoom Out The Zoom Out tool 4 reduces the magnification and consequently increases the timebase of the Display Window To use this tool 1 Click on the Zoom Out button Sh 2 Click somewhere in the Display Window This decreases the timebase by one increment Continue clicking with the Zoom Out tool to further reduce the magnification Alternatively you can use the Increase Timebase button in the Display Control to reduce the magnification of the Display Window 88 GageScope Toolbar Arrange Channels Button Arrange Channels Toa pm i sW a s gt a x Zal A f du fa io By p S Is m elajn Hama Clicking on the Arrange Channels button automatically re organizes visible channels in order of their channel number Hidden channels are ignored You c
151. n configuration Depth Tab Page 122 100 Total memory Pre and post trigger depth Fine Depth units Timeout Auto Normal Multiple Record if supported by your CompuScope GageScope Tabs and settings for CompuGen cards are as follows CG 1100 Tab Page 135 e Sample Rate e Trigger Internal External e Mode Triggered Continuous Burst Out 01 Tab Page 141 e Source Channel e Gain e Offset e Filter GageScope 101 System Control CS Tab Sample Rate The Sample Rate is located in the CS tab of the System Control 052125 Trigger Depth 125MS s F Superhes mo Sample rate sample Rate The sample rate sets how many sample points per second should be acquired A high sample rate will result in more sample points acquired per second resulting in a smooth and accurate waveform A lower sample rate will result in fewer sample points per second resulting in a less smooth signal representation on the screen Changing the Sample Rate e To change the sample rate click on the sample rate drop down menu and choose a sample rate from the list This menu will differ depending on the model of CompuScope card and whether or not it is set to single or dual channel mode For example a CompuScope 82G can run at 2 GS s in Single Channel mode but the maximum is 1 GS s in dual channel mode GageScope adjusts the list of available sample rates depending on these factors Note
152. n in the grid Below Channel 3 is aligned at Trigger GageScope Professional edition oy x File View Capture Tools Window Help la S d Basne bE AQRIANe fee Ma fat fo Sg dD DH i KK l 8 bits 4 0 E 125 MS s Info View oida chor Ps r i C 2125 Trigger Depth m pg ooy l 2usd E ho g 3 E cho 82125 S S2125 YT1 General Settings Timebase ChannelNa l File Input Trace Method MinMax i M Connect Dots C Alignbystat Format Align by trigger Ag Alja Chol pa Ch 03 Drawing H watch fs For Help press Fi pos Drawing tab Trace Drawing Method Min Max Connect Dots s a e Slan bu trigger a Aya tht OS GageScope 7 Click on Align by Start Trace Drawing Method Min Max Connect Dots i Align by start sae Align by trigger a AV Jao thi Ba Gh3 8 The signal moves to line up with the Start the Trigger Marker Below Channel 3 is aligned by Start GageScope Professional edition File View Capture Tools Window Help lsala aeeaenesa aQlRne sfs bits a Tm E f a fat foo Bg Mm Do I OK I Ready ERS Ee C 2125 Trigger Depth chor Levell oov File Input Trace Drawing Method Min Max v Connect Dots aezeegsceessevsosenconsecnseess
153. n the Depth tab of the System Control C8500 Trigger Depth Total 2 Smp Fine 4096 Auto fioo m PostT rig 4096 iulA ec A n Multiple Record takes advantage of the CompuScope card s deep memory buffers by allowing the hardware to stack captures in on board memory so that many small acquisitions can occur in a very short amount of time with near zero re arm time This feature is invaluable in applications in which trigger events are happening rapidly or unpredictably and A D down time must be minimized Multiple Records Currenthy Disabled When Multiple Record is enabled the CompuScope card looks for a trigger event acquires post trigger data and automatically re arms itself to look for another trigger event Data collected from each successive acquisition is stacked on top of the previous acquisition until the on board buffer fills up For example if a post trigger depth of 1024 points is specified the first acquisition stores data in addresses between 0 and 1023 the next acquisition from 1024 to 2047 and so on until the buffer is full Important Notes e The number of records you can capture will depend on the amount of on board memory your CompuScope card has as well as other settings such as the post trigger depth and channel mode e With all currently available CompuScopes you can only capture post trigger data in Multiple Record mode When you click on the MulRec button pr
154. ncrease the bit resolution the effective sample rate decreases For instance we have raised the bit resolution on our CS2125 to 15 bits and our effective sample rate has decreased to 977 kS s from 125 MS s C52125 Trigger Depth Sample rate a77 KS s Super es Single Dual Single Dual iv 5B bit 52125 To disable SuperRes mode click on the SuperRes checkbox in the CS Input tab so that it is unchecked or click on in the toolbar so that it is not pressed in GageScope 109 System Control Trigger Tab Trigger Source The Trigger Source setting is located in the Trigger tab of the System Control C 2125 Trigger Depth Trigger Source Fatter 52125 The trigger source setting tells GageScope where to look for a trigger event Click on the trigger source drop down menu to choose from four settings e Channel 1 e Channel 2 if your card has two channels e External through the External Trigger connector on the CompuScope card if supported by your card e Disabled Notes e Ifyou have a Multi Card system installed and the Independent Trigger item is checked in the Preferences dialog accessed via the Tools menu you can access additional trigger sources via the Pattern Dialog See page 114 e You can also choose the trigger source via the trigger context menu by right clicking on the trigger slope icon in the Display Window 110 GageScope System Control Trigger Ta
155. nd Loading AutoSave Setups 33 You can save the current AutoSave setup To save click Save Setup awose GageScope 225 34 You will see a Save Setup dialog allowing you to specify the location and name for the 226 setup file Save As Save ini AutoS ave aa GSWindS ast File name mysetue save az type ASF Files asf Cancel The default directory is C Gage Gagescope AutoSave and the default AutoSave setup file name is GagescopeAS asf To save a new file type in the File name field Click Save Note If you save more than one series of AutoSave files with the same prefix GageScope will create additional AutoSave directories underneath the main AutoSave directory To prevent this choose a different prefix or save to another directory GageScope 35 To load a previously saved AutoSave setup file simply click Load Setup in the AutoSave Setup dialog Autozave C C SC Click on the setup file you wish to load and then click Open GageScope 227 AutoSave Playback 37 When an AutoSave session is executed it can be played back by selecting the AutoSave Playback button on the main toolbar Auto Saye Playback You can also select AutoSave Playback from the Tools Menu 38 A dialog box then allows you to locate the AutoSave records on your system as well as the channels that should be played back vue a m 39 Press the Search button to lo
156. ne can notice that this result 1s continuously refreshed since the average is the running average Note 1 The running average is not available in the Standard Edition of GageScope N cannot exceed 256 for the Professional Edition 2 The Maximum Averaging Depth is 8192 in the running average mode 44 e Display Intermediate Results When acquisitions are co added the averaging tool allows the user to request the display of intermediate results Note that this intermediate display may slow the co adding process e Average Multiple Record The user must have the multiple record activated to make use of this option See the details of this option in the Multiple Record Section on page 128 232 GageScope 6 After entering the parameters for your application Click OK Averaging appears up as a tab in the Channel Properties dialog box Hew p Averaging Trace Drawing Averaging Tab Count 4 Average Multec Start lo Codd M Parima Depth J036 E M ini resus Reset A Ch EE Che Ch3 Details 45 The selected number of acquisitions can either be averaged or co added To Average the acquisitions click the radio button next to Average To Co add the acquisitions click the radio button next to CoAdd CoAde Averaging Trace Drawing setting GageScope 233 46 To show Intermediate Results click the Int Results check box This means that GageScope will display the results whi
157. ng these functions remain similar when one 1s shifted with respect to the other Correlating a signal with itself is called Autocorrelation Autocorrelation is a fundamental analysis tool in applications such as ultrasonics vibrations disk drive testing communications etc 1 From the Tools menu select Extended Math or select ml from the toolbar The New Analysis Dialog box will appear Select Operand 1 Click the autocorrelation button _2 Hew Aad Analy siz dt Extended math Operand 1 Ch 1 w Result Ch 3 2 Choose a channel for the Result 266 GageScope EJ GageScope Professional edition ver 2 20 CS2125 Display1 File View Capture Tools Window Help mial x SM Z BDR TF foe w fat fo Sg e DO I o info iew Ixl Ready MPos 5 0us f For Help press F1 NUM C521 25 Trigger Depth CS Input Trace Drawing Tota M30944 Fre Unite Smp Timebase ChannelName Vert Scale Position ema Auto 100m EEZ hi E L Post Trig 1024 Mulec l EE d j 52125 Ag Al A Chi jH Ch3 Channel 1 is a 1024 point sine wave The autocorrelation function is shown as Channel 3 In taking the autocorrelation of the acquired signal the acquired signal was divided into half This half portion of the signal was then slided on the original signal The entire length of the slided portion was contained in
158. nnel s zero line The channel will turn white and the mouse pointer will change to a drag pointer to indicate that the channel has the current focus 2 Hold down the mouse button then move the mouse up or down Raising the Trigger Level 4 Position the mouse pointer on the slope symbol at the far left of a channel This is the trigger level 2 Hold down the mouse button then move the mouse up or down Changing the Trigger Slope 18 Position the mouse pointer on the slope symbol at the far left of a channel 19 e Double click to toggle the slope or e Click the right mouse button to bring up the Slope context menu click on either Positive or Negative to select the slope AutoRepeat Buttons 20 Position the mouse pointer on any button in the System Display and Channel Controls which provides an increment decrement function These include All Increment Decrement buttons Timebase buttons Vertical Scale buttons Position buttons GageScope 213 24 Press and hold the left mouse button The button will repeat its function for as long as you hold the button Scrolling using the Trigger Marker 22 Position the mouse pointer on the trigger marker line the vertical line with the T at the bottom 23 Press down the mouse button and move the mouse left or right Scrolling using the Scroll Bars The horizontal and vertical scroll bars allow you to scroll through the Display Window in order to see different par
159. o Align by Trigger and by Start are also available in the Drawing tab of the Channel Control when a signal is displayed which does not cross the trigger marker When playing back the Multiple Records set the speed to range between Fast and Slow Use the speed tab to set an appropriate speed as desired Note Use relatively Fast MulRec player speeds when you need to quickly browse through the records Use Slower playback speeds when you wish to look in the records for some feature of interest When selected this option associates GageScope files to the current application GageScope Window Window Menu Commands The Window menu and the Window toolbar buttons give you access to commands that control the Display Window ic ee sw 2 fs RDS x f dn fat toa By te b OT id A QA ANS S Slabs Lm E Mew Display Tile Windows Vertically New Display Creates a new Display Window Each Display Window is independent of the others in that it can have its own timebase colors etc Cascade Rearranges and resizes all the Display Windows offset one on top of the other Tile Horizontally Rearranges and resizes Display Windows horizontally Tile Vertically Rearranges and resizes all the Display Windows vertically Left Bar Hides or shows the left bar of the Display Window Status Bar Hides or shows the status bar of the Display Window Notes e A list of all Display Windows is located at the end of the Window menu
160. o event will InstallShield Software Corp be able to provide any technical support for GageScope How to reach Gage Applied Technologies Inc for Product Support Toll free phone 1 800 567 4243 Toll free fax 1 800 780 8411 Outside North America Tel 514 633 7447 Fax 514 633 0770 Web Form www gage applied com support asp 2 GageScope Table of Contents Software and Documentation License Agreement cccccceeeeessssssssesssseeeeeeeens 4 MATEO CIC oneee E cde annt tau aiien et eacataasonet ace audinaneics N Sa 7 How to Use this Manualmsiseprncnnnaenan a ia 11 SPECIES ia a RN PW E A N 12 A Getting Started 17 Installing GageScope PAE E A A A eRe E E E ee A ne ree 19 Configuring CompuScope and CompuGen Cards with Instrument Manager 29 Launching GageScope orhe Fist MME e Ce E 31 Uninstalling GageScope Sie ena dacs es aden ca sa P EEEE E eases 35 B Reference 39 QUICK RC TORS IC Seis ccese 55 casos ta sehiece O esmnasaiaens 43 Ment Command serr reenter termes tae tetera mer reentn mrernt Stee Stents ame nre ent trnrnt ate aey 44 OO Ua iG MAN LINAS ee aceaihserya gra aceiwa EE 86 Sy Ste OM Ol scars a aise lesen ate laaa rs ate lesen men lesnasi ate lee 100 Display COntolrasine e a eeinentiao a cabin atresia maneneeeateae aes 148 Canne bi ONTON cs ceseresina rete besoeaiote E seus beeen smacat cudetelsat EAE 160 Bisplay WV ANC OW us aad et sales oad a a ede 207 UAC a aien a va denestentienrcs b
161. oblem click on the single channel button in the CS tab of the System Control I know I have a channel in the Display Window but I can t see it This could happen for a few reasons e The channel is hidden Check the channel list in the General tab of the Display Control lower middle of the screen e The channel is off screen outside of the Display Window Click on the Arrange Channels button in toolbar to clean up the display e You are in single channel mode In single channel mode you do not get access to channel 2 if your CompuScope card supports a second channel Click on Dual Channel in the CS tab of the System Control e The channel is the same color as the background color For example if the background color is black the default and the channel is black it will appear invisible To fix this problem click on the tab of the channel you are looking for in the Channel Control lower right of the screen click on the Drawing tab click on the Color button and choose a new color Impedance is listed in the manual but I don t see it when I run GageScope on my computer The Impedance setting normally appears in the CS Input tab of the Channel Control lower right of the screen If your CompuScope card does not support Impedance the Impedance setting will not show up in the Channel Control GageScope Q I want to hide all controls Is there a quick way to do it A You can hide controls individually by sele
162. odaebalsaueamdes na depediectatmscs E edie 215 IAA VOUS E BO cache sda ee ocd atria cael dt dana an cnet AA A EAE 216 Advanced Analysis OOS sins etiot a icencssaciadeeanicaeatotasemneaee ee 217 Troubles hootiNe oernoena ee Re en oe ee 211 C Appendices 275 Appendix A The Instrument Manager Utility oo cccccsscceeeeceeeeeeeeeeeeeeeeeeees 276 Appendix B GageScope Signal File Format SIG cccccscsssssssesessesesssssteeseseeeens 297 Appendix Gr Cat SeNi Sse teed a AL I A 309 Appendix D Using the Test Output Connector cccccccececceeeeeeeeeeeeeeeeeeeeees 311 D Glossary 312 E Index 325 GageScope 3 Software and Documentation License Agreement CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE OPENING THE CD PACKAGE OPENING THE CD PACKAGE INDICATES ACCEPTANCE OF THESE TERMS AND CONDITIONS IF YOU DO NOT AGREE WITH THEM PROMPTLY RETURN THE PACKAGE UNOPENED AND YOUR MONEY WILL BE REFUNDED Title to the media on which the program is recorded and to documentation in support thereof is transferred to you but title to the program is retained by Gage Applied Technologies Inc You assume responsibility for the selection of the program to achieve your intended results and for the installation use and results obtained from the program License Under the terms and conditions of this License Agreement you may a use the program on a single machine b copy the program into any machine readable or printed form for backup or mo
163. on screen enter your Name Company name and Serial number found on the back of your CD ROM jewel case User Information If you do not enter a proper Serial Number some of the functionality of GageScope may not be available to you Now click Next GageScope 21 8 Choose a destination location for GageScope Choose Destination Location It is recommended that you accept the default location of C Gage GageScope but if you wish to use a different location click on the Browse button and select the destination of your choice Click Next 9 Now you must select a Program Folder Itis recommended to accept the Gage program folder click Next otherwise type in another name and click Next Select Progam Sader e ma i a ISMI odel piz Accessones ATI Multimedia Online Services Startip Tek isa 22 GageScope 10 The Start Copying Files screen gives you a final notice of what will be installed and in which directory The components being installed depend on the Edition of GageScope you have purchased The current installation shows that you are installing the Professional Edition of GageScope The settings will change if you install the Standard Edition of GageScope If you have made a mistake click Back Otherwise click Next to continue Start Copying Files x Setup has enough information to start copying the program files z IF You want to review or change any settings
164. only when you have purchased and installed the Professional Edition of GageScope software There are a few features included in the Standard Edition of GageScope See FFT Analysis tool on page 255 for more details 76 GageScope Tools Extended Math QA ANS S itt Aine SH Ss ese xnilt FF fr da fut fo 2g IMB 5i I A A Mew Extended Math Channel This command brings up the New Extended Math dialog which allows you to choose from one of the following functions e Integration of the selected channel e Differentiation of the selected channel e Autocorrelation of the selected e Cross correlation of the selected channel Note You must have purchased and installed the Professional Edition of GageScope software in order to make use of this feature This advanced tool is not available in the Standard Edition of GageScope See Extended Math tool on page 260 for more details GageScope T7 Tools AutoSave Playback SM Sweeps xnlt k i fe da fat foo Og Bw So id mt Ow Lal AA els fine H m E Auto Sawe Playback This command brings up the AutoSave Playback dialog which allows you to locate the previously saved AutoSave records on your system as well as the channels to be played back Note The full functionality of the AutoSave tool is available only when you have purchased and installed the Professional Edition of GageScope software There are a few features included in t
165. ope 8500 or dual channel only such as the CompuScope 1602 CompuScope 512 and CompuScope 512 PCI Changing Channel Modes e To change modes click on the desired button The current mode is indicated by the button that is pressed in Notes e Upon startup GageScope sets this option to dual channel if two channels are available on your CompuScope card e When you switch to dual channel mode GageScope reduces the sample rate if necessary When you switch to single channel mode GageScope returns to the sample rate which had been set previously in single channel mode GageScope 107 System Control CS Tab SuperRes SuperRes is located in the CS tab of the System Control CS2125 Trigger Depth ouperRes i Checkhoz Sample rate E TETE a ER EEE REDE EEEE EE EE EE SE EE EE Eres eEreersesee ses EERE gt natn LE Field 82125 eens Click on the SuperRes button to enable SuperRes mode Click on the Bit Resolution increment decrement buttons to select the desired bit resolution About SuperRes Mode SuperRes Mode allows you to increase the effective resolution of the measurement at the expense of signal bandwidth The mathematical operation done as a result of SuperRes selection is that an averaging window is defined within a single acquisition All samples within the averaging window are accumulated resulting in an effective increase in the sample bits The averaging window is then shifted ove
166. ope and CompuGen cards very easy to learn and use On screen controls and toolbars give you complete control of all capture and display features allowing you to change settings while data capture is in progress As many as 60 channels can be viewed together on the screen and signals can be saved to disk for future use Optional software advanced analysis tools allow the power of GageScope to be further enhanced by allowing deep FFTs unattended transient capture averaging waveform parameter calculations and correlation Many more analysis tools will become available in the future making GageScope even more powerful GageScope 7 GageScope is now available in the Professional and the Standard Editions e The Professional Edition This edition contains the following advanced analysis tools e Autosave e Averaging e Waveform Parameters e FFT e Extended Math e The Standard Edition All advanced analysis tools with the exception of the Extended Math tool are included in the Standard Edition but with limited functionality The limitations are listed as follows e AutoSave can only save a maximum of 4 files e While Averaging running average is not available and the maximum averaging depth is 8192 e Waveform Parameters tool supports only the following parameters e Period e Frequency e Mean e RMS e The maximum length of FFT is 4096 points e Extended Math tool is not available 8 GageScope Features GageScope
167. orrelation serso a 266 AUSIN anora 218 AutoSave Playback command 78 AutoSave Setup command 0 70 Averaced Channe visiciaicectnisnisiietes 75 PVE TACT Deon n onal olece alas astatedaiees 231 ACQUISITIONS 2 225 crea ee 163 169 Acquisitions Counter ccc 170 Average vs CoAdd 0000000000000 172 Avg on Mulrec ceeeeeeeseeeeeeeeees 171 In Multiple Record mode 236 Intermediate Results 00008 173 Reset COUN ni Grmshwiasesietint rorsant 173 Avg on MUTE C sc sescciueindedeiiviocess 171 236 AWG Input Tab Ampl 00 202 AWG Input Tab Duration 200 AWG Input Tab Duty 205 AWG Input Tab Equation 201 AWG Input Tab Offset 203 AWG Input Tab Samples 206 AWG Input Tab Waveform 204 B Background Color cccccceeeeeeeeeees 159 GageScope Bottom Info View cc0ccccceeeeees 254 C Capture Vem ai ence ated eee ae 65 Capture Modes ONTO U5 os iS ed succeeds Go cc 66 OS SO soso cscs dossier encased 65 Cascade Window ccccccceeeseeccseeeeeees 85 CG1100 Tab Mode eee 139 CG1100 Tab Sample Rate 135 CG1100 Tab Triggered 004 137 Channel Context Menu 208 Channel Controli sariei 160 Alton by Start ccitxccacnsewiahensn 197 Align by Trigget ccccccccecseceeee 197 CONOR asst Maes ts e ea
168. owing window with Start Menu selected as a default File Edit View Go Favorites Tools Help ee ta alaa l x BO Back Forverd Up Cut Copy Paste Undo Delete Properties Views oe os Folders x Name Size Type Modified Ea H History af fr New Folder File Folder 11 22 00 10 51 AW Inf Fn Programs File Folder 10 10 00 5 16 PM A New Office Document 3KB Shortcut 12 22 00 11 49 AV A Open Office Document 3KE Shortcut 12 22 00 11 49 Av gt Windows Update 1KB Shortcut 11 20 00 5 15 PM ED winzip 1KB Shortcut 11 22 00 10 54 AW H Installer O Java Measurement amp Automation eof Media 2 Msagent C MsApps ef msdownld tmp of NetHood E Offline Web Pages C Options 2 Pif O PrintHood Recent Samples oof SendTo E ShellNew C spool i New Folder FA Programs of Sysbekup C System C System32 Tasks Q Temp m1 gt 6 object s 5 21KB Disk free space 8 53GB JE My Computer Astr 7 S f Appendices v3 doc Micro X9 Paint Shop Pro Image1 G Exploring Start Menu EBE 11 14AM Note e Depending on the settings on your computer you will see different contents in the explorer s left pane e You can also start Windows Explorer by clicking My Computer Icon from your computer s desktop GageScope 277 64 To look for the Instrument Manager folder scroll down
169. ppropriate version of DCOMS95 installed you will be asked if you want to install DCOM95 You must select the installation of DCOM95S After DCOM95 has been installed you will then have to reboot your PC and run the GageScope installation program again If you are installing GageScope under Windows 98 Windows NT or Windows 2000 the DCOM95 will not be installed as these operating systems come with all DCOM components required by GageScope If your system does not have Internet Explorer 5 0 or equivalent installed you will be asked to install Internet Explorer 5 0 from Microsoft s web site After Internet Explorer 5 has been installed you will then have to reboot your PC and run the GageScope installation program again In case the installation program does not start automatically follow these steps to start the setup process Click Start from your desktop and select Run You will see the Run dialog box as follows Run resource and Windows will open it for you Oper Cancel Browse 3 Type the name of a program folder document or Interet 4 GageScope 19 5 Type CDROM drive letter GageScope Disk1 Setup exe in the Open text box The CDROM drive letter depends on the settings in your PC OlGageSoapelDiskTl Setup exe Click OK 6 The installation program will begin its setup procedure You should then see the Welcome screen Click Next 20 GageScope 7 Inthe User Informati
170. r off as if you had clicked the Cursor 1 or Cursor 2 buttons 96 GageScope Getting the Cursor Back After Scrolling Off screen With the exceptionally deep memory buffers offered on CompuScope cards it is easy to make a cursor measurement and then scroll far away from this area to inspect another portion of the display The cursors you had set are still in place and the readouts are still displayed If you scroll back you will find the cursors again However if you want to make cursor measurements in a different part of the signal all you have to do is the following 4 Disable the Cursor by clicking on the Cursor 1 or Cursor 2 button 2 Enable the Cursor by clicking again on the same button The cursor will now be on your screen and you will not have to drag it from its previous location Cursor Values The values of the current cursors are reflected in the Display Window s status bar to the right of M Pos Cursor 1 s values are in the first cursor status box Cursor 2 s values are in the second cursor status box and the third cursor status box shows the absolute difference between the cursor values if both cursors are enabled The first field in each cursor status box is the X co ordinate measured in seconds relative to the trigger marker A positive value indicates the cursor is to the right of the trigger marker a negative value means the cursor is to the left of the trigger marker The second field in each curso
171. r status box is the Y co ordinate measured in Volts relative to the zero line of the channel A positive value indicates the cursor lies above the channel s zero line a negative value means the cursor lies below the channel s zero line Cursor Deltas Once two cursors have been set GageScope automatically calculates the absolute differences between them This is shown in the third set of values in the status bar GageScope 97 Delta Track Mode Track mode locks the distance between two cursors As such when you move one cursor the other moves in tandem 1 Click on the Track Mode button to enable track mode 2 As atest try to move Cursor 1 toward Cursor 2 98 GageScope Toolbar SuperRes Mode ZN aan Jang Enable SuperRes Mode Bit Resolution Drop d own Menu s E 2189 8 D gt i e T n lw Si io Click on the SuperRes button to enable SuperRes mode Click on the Bit Resolution Drop down Menu to select the desired bit resolution About SuperRes Mode SuperRes Mode allows you to increase the effective resolution of the measurement at the expense of signal bandwidth The mathematical operation done as a result of SuperRes selection is that an averaging window is defined within a single acquisition All samples within the averaging window are accumulated resulting in an effective increase in the sample bits The averaging window is then shifted over the current acquisition by its width and
172. r the current acquisition by its width and the same averaging process is performed repeatedly SuperRes allows the user to specify the desired Effective Resolution For example you can specify 12 bit resolution even if you are using the 8 bit CompuScope 8500 GageScope will automatically perform digital filtering averaging of oversampled data to enhance the effective resolution at the expense of sample rate For example in order to provide 12 bits for the CompuScope 8500 an increase of 4 bits GageScope has to average 24 16 adjacent points hence reducing the sample rate by a factor of 16 This means that instead of 500 MS s the effective sample rate will be 500 16 31 25 MS s Notes e The effective resolution mentioned here is not the same as Effective Number of Bits ENOB ENOB is a measurement of the Signal to Noise Ratio 108 GageScope How it works 1 Click the SuperRes checkbox to enable SuperRes mode Or you can click on the SuperRes button in the toolbar it should be pressed in SM a AEDE F ARa RA f ln fa for Sg lia p DO i IS ate Enable SuperRes Node Bit Resolution Drop down Menu You will also notice that SuperRes appears in the upper left of the Display Window next to the sample rate To change the bit resolution click on the SuperRes drop down menu in the toolbar or click on the Increment Decrement buttons on the CS tab of the System control Note that when you i
173. ram except as expressly provided in this Agreement Any attempt otherwise to sublicense assign or transfer any of the rights duties or obligations hereunder is void 5 GageScope This Agreement is governed by the laws of the Province of Quebec Canada The parties agree that this Agreement be written in English Les partis consentent a ce que cette entente soit r dig e en anglais Should you have any questions concerning this Agreement you may contact Gage Applied Technologies Inc in writing Please check the Gage website for the most current address http www gage applied com aboutgag contact htm YOU ACKNOWLEDGE THAT YOU HAVE READ THIS AGREEMENT UNDERSTAND IT AND AGREE TO BE BOUND BY ITS TERMS AND CONDITIONS YOU FURTHER AGREE THAT IT IS THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN US WHICH SUPERSEDES ANY PROPOSAL OR PRIOR AGREEMENT ORAL OR WRITTEN AND ANY OTHER COMMUNICATIONS BETWEEN US RELATING TO THE SUBJECT MATTER OF THIS AGREEMENT GageScope Vil Introduction GageScope is a powerful software package which finally bridges the gap between oscilloscopes and computers helping scientists and engineers get the most out of their measurements All this performance is available without writing a single line of code or drawing any diagrams GageScope starts being productive right out of the box GageScope takes full advantage of the Windows operating system making the user interface for CompuSc
174. re located in the AWG Input tab of the Channel Control AWG Input Trace Drawing H 1600 sinf 0 0001 es 0 01 Ampl i2 100 Offset Pal Ao Al amp Choa The Amplitude is the amplitude of the signal to be generated The amplitude can be specified as the percentage of the selected output range You can modify the amplitude of the signal to be created by using the increment decrement buttons You can also change the amplitude by clicking inside the amplitude text box and entering the value 202 GageScope Channel Control AWG Input Tab Offset The Offset settings are located in the AWG Input tab of the Channel Control AWG Input Trace Drawing Equation 1 1600 ain 0 0001 0 01 Ampl 2 fi 00 Offset 2 lo Ao Al amp Choa The Offset is the DC offset that can be specified as a percentage of the selected range for the signal to be generated You can modify the Offset of the signal to be created by using the increment decrement buttons You can also change the Offset by clicking inside the amplitude text box and entering the value GageScope 203 Channel Control AWG Input Tab Waveform The waveform settings are located in the AWG Input tab of the Channel Control AMG Input Trace Drawing Wi avehorm Duty 2 50 5 Samples 1600 Ampl 2 100 Offset AE E A A There are three types of standard signals that can be created for generation using the
175. records GageScope 273 Q I changed the channel mode in the CS tab of the System Control from single to dual but acquisition stopped and the Stop button became active A Incertain cases you may find that when you change the channel mode from single to dual mode or vice versa continuous capture stops and the Stop button becomes active This usually happens when the threads in GageScope have to be stopped to achieve proper synchronization You can start continuous capture again by clicking on the Continuous button E Do you have a question Visit Gage s web site for more help on GageScope http www gage applied com Or submit a support question through our online form www gage applied com resource suppreq asp 274 GageScope Appendices Appendix A The Instrument Manager Utility The Instrument Manager configures the following e PC based Instruments These include the Gage high speed input and output analog and digital data acquisition cards such as Compuscope 85G 5 GigaSamples per second analog input card which is the world s fastest PC based A D card in the market today PC based Instruments Follow the steps outlined below to configure PC based instruments such as Gage high speed data acquisition cards 62 Right click Start on your computer s desktop Open Browse with Paint Shop Pro Find 276 GageScope 63 Click Explore Windows Explorer will launch and you will see the foll
176. red The AutoSave tool allows the periodic output of a channel to file Each such file represents a single AutoSave record The channels are saved to file using the current hardware configuration defined in the GageScope session The AutoSave tool also allows benchmarking of AutoSave settings The benchmarks allow a user to determine the time required to perform a single AutoSave cycle on a given system The AutoSave tool defines a new file extension asf ASF files contain AutoSave settings as defined inside GageScope Those settings are the inter sample delay the number of records the AutoSave file prefix and the output directory Note that long file names are permitted GageScope can save and restore AutoSave setups to make them available for future sessions Setting up for an AutoSave Session 24 To set up AutoSave inside GageScope select AutoSave Setup from the Capture menu 218 GageScope Professional edition Z AHE File View Capture Tools Window Help la H gt One Shot Ctrl 1 gt RQ E B Continuous Ctrl U Je ATS se Ctrl 0 a S spore gt Force Trigger Ctrl F Name K Abort Ctrl C 2125 Trigger Depth CS Input Trace FaU Channel Na l Vert Scale Trace Em Levell o 00v mm oe a learner Dot Invert Pattern 3 hN EE Iz Max J Pd C 2125 fd CS2125 YT1 fA Start A e Ea SP untitled Paint Gage
177. rm the second type of averaging possible in Multiple Record mode Click the MulRec checkbox in the Averaging tab Averaging Trace Drawing Multiple Count 4 A Average MuPec Record with Stark lo Coddd P Bunt Averaging Depth a096 Reset 55 In this mode GageScope averages a specified number of records in one Multiple Record acquisition to produce a single averaged result GageScope Professional edition x File View Capture Tools Window Help z B S reoexnie RaRa fe u fa ho o Du MlA S sbits 5 m0 E Info View x1 d i b b Jee loj l oe ee od Ob ee I c 21 25 Trigger Depth General Settings Total 128k Smpl 7 Fine p Timebase Channel Na aeina i Normal 4294967 29 a E PostTig 40965 MulRec 31 all 52125 Averaging Trace Method Min Max x Connect Dots Format Drawing C S2125 YT1 o gt All amp Ch03 240 GageScope 56 Notice that the Averaging Depth has been changed to 1024 Averaging Trace Drawing Stark lo C Codd P Runing Depth 1024 Reset o Al 4 Ch Ch 3 aoe ee C 57 The number of records to be averaged is specified in the Count This field can be set to any number from 2 up to the total number of records in the Multiple Record acquisition In our example our Multiple Record acquisition contains 31 records so we can aver
178. rol Trace Tab Polarization The Polarization setting is labeled Invert and is located in the Trace tab of the Channel Control C5 Input Trace Drawing mi Invert f Polorization Units Normal a l Ch 01 This setting is available whether All Channels or an individual channel is current Polarization refers to how the trace is displayed relative to the X axis When polarization is normal the channel is displayed exactly as captured Inverting the polarization inverts the signal about the X axis for Display purposes only without affecting the actual data If a channel is inverted the color of the channel identifier at the far left of the signal will be reversed as well For example if channel 1 is inverted and its color is yellow then the channel identifier will be black text in a yellow box Toggling the Polarization via the Trace Tab 4 Click on the Trace tab in the Channel Control 2 Click on the Invert button to toggle this option on and off If the Invert button is enabled polarization is inverted otherwise it is normal Changing the Polarization via the Channel Context Menu 4 Position the mouse pointer on a channel s zero line The channel will turn white to indicate that it has the current focus and the mouse pointer will change to a drag pointer 2 Click on the right mouse button to bring up the channel context menu 3 Click on Invert to toggle this setting If Invert has a che
179. rrent acquisition will be completed before carrying out further commands Acquisition in progress Time remaining 2 sec ss Do you want to abort current acquisition Continue Do not ask me that question for Do not ask me that question Current acquisition for current operation mode Metau action Always wait fe Alaaye ahat When Do Not Display Abort Dialog is checked you may select between the following options Always wait GageScope will always wait until the acquisition is completed before carrying out further commands This is the default setting Always abort GageScope will always abort the acquisition in order to carry out further commands 83 Default Trace Alignment MulRec Player Speed Associate GageScope files to this application 84 When displaying a saved signal that does not cross the trigger marker you can specify where on the screen that signal will be displayed e by Start GageScope will display the signal at the Start at the Trigger Marker or time zero e by Trigger GageScope will display the signal at its original time position relative to time zero This is the default setting e Smart If the signal crosses the trigger marker GageScope will display the signal at its original time position relative to time zero If the signal does not cross the trigger marker GageScope will display the signal at the Start at the Trigger Marker or time zer
180. rtical resolution This resolution is limited by the number of on chip comparators for a flash converter like the ones used on the CompuScope boards The Signal to Noise Ratio SNR of a digitizer system is another measure of the vertical resolution The SNR is measured in dB and the ideal maximum is approximately 6 dB per 1 bit of resolution In practice the SNR is always less than this ideal number due to aperture jitter EMI and general system noise The Effective Number of Bits ENOB of a digitizer system 1s calculated using the following equation ENOB SNR 1 76 6 02 Analog Bandwidth The analog bandwidth of a digitizer system depends upon the bandwidth of the front end amplifier or the A D converter whichever is less The Full Power Analog Bandwidth is defined as the frequency at which the output is 3 dB below the input when the input is at its full scale The Small Signal Analog Bandwidth is defined as the frequency at which the output is 3 dB below the input when the input is 20 dB below the full scale Analog to Digital Conversion Analog to digital A D conversion is a process by which an analog signal is sampled and converted to a digital pattern of n bits where each n bit sample represents the amplitude of the analog signal at a given time This conversion is necessary as computers do not understand analog signals Flash A D Converters are the most popular devices for use in a High Speed A D Conversion system An
181. s CG1100 Out 01 Sample rate 1k5S s Trigger Pint Ext Continuous i 1 kS vs E coek o Notes e Upon launch GageScope sets the sample rate to the highest available Therefore in case a CompuGen 1100 is present in the system you will notice that a sample rate of S0MS s shows up as a default whenever the CG1100 tab 1s selected e To select an External Clock for your CompuGen 1100 you must choose Ext Clock from the sample rate drop down list cG1100 Out 01 Sample rate T kS s Trigger 20 kSrs Int Et 10 k5 Continuous A kS s 2 k53 1kS s 136 GageScope System Control CG1100 Tab Trigger The Trigger setting is located in the CG1100 tab in System Control CG1100 Gut an Sample rate OO MSs m Trigger Mode irt Ext Triggered Continuous Burst i css g The Trigger Setting indicates the type of triggers available to a generator card As shown in the figure above CompuGen 1100 can be triggered either internally or externally Internal Trigger 1 Internal triggering shows up as the default option when the CG1100 tab is selected This is depicted in the figure shown above 2 Note that when internal trigger option is selected the GageScope Screen indicating that the card is being internally triggered External Trigger 3 External triggering option can be selected by pressing the Ext command but
182. s e Upon startup GageScope sets the sample rate to the highest available When you switch to dual channel mode GageScope checks if the sample rate is higher than what is possible and if necessary reduces the sample rate e You should normally use a sample rate that is twice or more the frequency of the input signal For more information on this topic see Nyquist Theorem in the Glossary section of this manual Obviously it is preferable to have as many samples per cycle of the input frequency as possible The industry standard is to have 5 to 8 samples per cycle In other words sample rate should be 5 to 8 times the input frequency to get a good representation of the signal on screen 102 GageScope System Control CS Tab External Clock External Clock appears as an additional entry in the Sample Rate Drop down menu located in the CS tab of the System Control Please note that External Clock is an optional hardware upgrade on the older CompuScope cards and must be purchased from the factory If External Clock is not installed on your CompuScope card s this entry will not be available 052125 Trigger Depth Sample rate 500 kS s M E 1 00 MHz External Clack Rate Superies a Es single Qual sist r Ebit ee Boss i 1 1 i pe eeeeeeeeeeseeesesesmeessseeesseeeees 52125 GageScope automatically senses the presence of the External Clock modification on th
183. s option on and off 186 GageScope Channel Control Trace Tab Method This setting is located in the Trace tab of the Channel Control CS Input Trace m Yet Scale Trace Connect Dots rivert Method Min Max j Drawing Meath od All As Chol 45 Ch 02 This setting is available only if the All Channels tab is current If an individual channel tab is current the Method setting appears under the Drawing tab The Method setting defines how GageScope displays traces based on the acquired data The options are Mean and MinMax MinMax When two or more samples are to be displayed on the same screen pixel column MinMax will plot the minimum and maximum values then draw a line between them This method allows glitch detection even at very low timebases This is the default setting Mean When two or more samples are to be displayed on the same screen pixel column Mean will plot the average of the samples In display terms the Mean method reduces the apparent signal noise when capturing slow signals at high sample rates and then displaying many points on the screen The Mean display method allows over sampled data to be digitally filtered before display thereby improving the signal to noise ratio Changing the Method via the Trace Tab 4 Click on the Trace tab of the Channel Control 2 Click on the Method drop down list 3 Select a method from the list GageScope 187 Channel Cont
184. same as the Effective Number of Bits X Axis The X axis is a dashed horizontal line that divides the display window into two equal parts The X Axis is a permanent fixture in the display window and does not move with changes to the vertical scroll bar X Y Mode X Y mode allows channel display on both the X and Y axes with up to 4096 point real time display for channels from the same board or unlimited X Y display in post processing mode Y Axis The Y Axis is a dashed vertical line that divides the display window into two equal parts The Y Axis is a permanent fixture in the display window and does not move with changes to horizontal scroll bar Zero Line The zero line of a channel is the dashed horizontal line that runs through the middle of the signal The color of a Zero Line is always set to the same color as its channel 324 GageScope A Abort command cccccccccccccccceeeeseeeeens 69 POPE dialo Terena cass 83 Acquisitions command 163 169 Acquisitions Counter ccccccccceees 170 Add Parameters command 216 Advanced Analysis Tools 06 217 Poi Dy Start eos sscosctaleescieseede desea 197 Align by Trigger cccccccccccssseseeeeees 197 Aligning the Trigger Market 87 Amplitude Info View ccc0cccee 253 ADDENGICES An3ae es 215 Arrange Channels command 89 Auto Normal command 006 126 Autoc
185. se the amplitude expansion or contraction buttons to view the signal properly 190 GageScope Channel Control Drawing Tab Method The Method button is located in the Drawing tab of the Channel Control AWG Input Trace Drawing tial SS jethod MinMax Connect Dots Format Color All Ch 01 The Drawing tab is not available when the All Channels tab is current Drawing tab elements apply to individual channels only If the All Channels tab is current the Method setting appears in the Trace tab The Method setting defines how GageScope displays traces based on the acquired data The options are MinMax and Mean These options affect the screen representation of the data only and do not change the actual signal data MinMax When two or more samples are to be displayed on the same screen pixel column MinMax will plot the minimum and maximum values then draw a line between them This method allows glitch detection even at very low timebases This is the default setting Mean When two or more samples are to be displayed on the same screen pixel column Mean will plot the average of the samples In display terms the Mean method reduces the apparent signal noise when capturing slow signals at high sample rates and then displaying many points on the screen The Mean display method allows over sampled data to be digitally filtered before display thereby improving the signal to noise ratio Changing the
186. see ces leached ne sotice ten estendessesnctiees tec teccesstea Channel Control Averaging Tab Start ansieae a e a a i Channel Control Averaging Tab MulR c eeseseeeeeseeseeensernrnrerrrrerrrrersserersrrrsresserrerereeen Channel Control Averaging Tab Average vs COAG cccccccccccccccccceceeceeeeeeeeeeeeeeeeeeeeeees Channel Control Averaging Tab Intermediate Results and Reset ccccceeeeeeeeeees Channel Control Averaging Tab Rumming ccccccccccccccscceeeeeeeeeeeeeeceeeeseceeeeeeeeeeeeseeeeeess Channel Control CS Input Tab Input Range cccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control CS Input Tab Probes s ease aier ak ee ee Channel Control CS Input Tab Coupling cc cccccccccccccccceececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control CS Input Tab Impedance cc ccccccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees Channel Control CS Input Tab Null Channel nput 0 ccccccceceeeeeeeeeeeeeeeeeeeeeeeees Channel Control CS Input Tab Decimation cccccccccccccccccccecceeeeeeeeeeeseeeeeeeeeeeeeeeees Channel Control Trace Tab Vertical Scale onsa a a etek Channel Control Trace lab P Osi Om goscssccsasaiasteetes e N dental yhesiehaleteat Channel Control Trace lab Connect Dots sicpects icons sconces stance acces niet aisles Channel Control Trace lab Mein OG asc 03 chest scent e niet acie slates Channel Control Trace lab P olan Zatt Om ss essdcnsatoes coc
187. so affected e Itis possible to set the timebase to any value however if there is a timebase conflict with the minimum display requirements the timebase will be changed to the smallest timebase value that does not conflict at display time e Ifyou want to see the same set of signals using different timebases simply create a new display select the channels you want displayed and set the timebase to the desired value If you tile the two Display windows you will be able to see the same signals with different timebases GageScope 149 Display Control General Tab Channel List The Channel List is located in the General tab of the Display Control General Settings e ran ECEE G T eet ETE Cae Channel Gi Ty pe Channel cof C52125 YT 1 List The Channel List shows all channels currently available including channels loaded from disk and channels created mathematically The icon next to each channel indicates the channel s type pe indicates that the signal originates from an input of a CompuScope card PR indicates that the channel has been loaded from disk FA indicates that the channel has been created mathematically If more than three channels are available a vertical scroll bar appears allowing you to move up and down the list Hiding and Showing Channels using the Channel List The checkbox next to each channel in the list indicates the channel s visibility A checkmark means a channel is
188. st a dts 195 Connect DO Aincisdtdeictnsncet 186 192 Foia cenina ne EOE ee 193 TMM PCAANCE isien 179 180 181 IU Rano Co teats ial atl ete ees te t75 Method cenana 187 191 Polarization eeeeeeeeeeeeeeeeenn 188 189 POSION era a E eas Siete 184 Proberen ease 177 178 Vertical Scale eana 182 Can mee Stooge ares ite a e 150 Channel Mode nsere 107 Channels PAM OTIC 5 42505 seat iets boca a sake 197 C OlOrun 195 Connect Dots eee 186 192 Drawing Format cccccceeeeeeeee 193 Drawing Method 06 187 191 TAINO cca teansit Reet Seatac acelin Rimes elect 150 Impedance 179 180 181 loput TR ING Circe ies estes hee ease eens T79 WO ACTS arreen a e 53 LOWEN rena 184 Measuring sooooooooeennnnnnnnnenreeseeeeee 93 325 POSION saxo A 184 PrOD na 177 178 Rats AO gate e tag A 184 DAV NC Sc cease cde teeters ded ian ciate 54 SCAND aona S 182 CoAdd command cseseeeeeseeees 172 Color Channel C olo enenda 195 PANGNA 60 CompuScope I O Switch Settings 311 Configuring PC based Cards 25 Connect Dots eseeneeenseenseenseens 186 192 Context Menus Channels aA 208 Display Window cccccseceeseeees 210 NTA OO CT A E E E Ze Continuous Capture command 66 Crosscorrelation cc00ceceeeeeeeeseees 269 CUES OFS earnan aialtiaceosee sacri 93 D Default Settings 00 s0000800 33 309 Deltas between cursors
189. stem3 instead of System2 In case the system being added comprises of a single or multiple Compugen cards the name of the new System will be System3 Note that the cards in the new System need to be configured properly after the creation of the System folder Remove System Click on the System to be removed from the setup Click Gage Menu to view the drop down list Select Remove System to remove the selected System from your PC GageScope 10 GageScope Verify All Systems When this option is selected all Systems in your personal computer are verified Save All Systems When this option is selected all Systems in your personal computer are saved 295 List of Instruments Supported by GageScope Model Family Vendor Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage DSO Gage ee ee ey AWG CompuGen 1100 Note For an updated list of supported instruments visit the GageScope web site at http www gagescope com 296 GageScope Appendix B GageScope Signal File Format SIG GageScope signal files are binary files which contain a 512 byte header followed by any number of data points The first 512 bytes of a GageScope signal file contain the header the exact format of which is listed below File Field Field Field Variable Field Description ndex Type char file version Either GS V 1 20 GS V 2 00 GS V 2 05 GS V 2 10 G
190. t Continuous Mode and Stop If you click on Stop in the toolbar while in continuous mode GageScope completes the current acquisition then stops If you select Stop while in continuous mode but a trigger event has yet to occur GageScope issues a software trigger 1 e it triggers immediately acquires the current signal then stops The data you see is that which existed when you chose Stop About Continuous Mode and the Trigger Timeout In the event of a timeout while in continuous capture mode GageScope issues a software trigger 1 e it triggers immediately upon timeout acquires the current signal then resets the CompuScope card to await another trigger event 66 GageScope Capture Stop atop Capture RAJZRA e sferne Am Choose Stop from the Capture menu or click on the Stop button in the toolbar to interrupt the current capture mode Capturing has already stopped if there is a checkmark next to Stop in the Capture menu or if the Stop button is enabled sl 2 as eax it 7 fay fa fa Oy IMP SO ie OG When an acquisition is stopped GageScope completes the current acquisition then stops If a trigger event has yet to occur GageScope triggers immediately acquires the current signal then stops The data you see is that which existed when you clicked on Stop By contrast pressing Abort see below means that the current acquisition will not be completed GageScope 67 Capture Force
191. t feeding any signals into the input channel s you will see a flat line GageScope 31 No Instruments Detected e Ifyou do not have any instrument installed in your system you will see the following message at launch GageScope Could not connect to hardware CompuS cope Driver not found LCompuber Driver not found GPIB Devices Device not found GPIB AML Device not found Do pou want to run in demo mode e You will be asked if you want to run GageScope in Demo Mode EJ GageViewer Standard edition ver 3 0 Eile View Tools Window Help Slt E AAA Fa faam Sum mee OB Into View 1x Wi tonebrst sig YT1 o Viewing M Pos 0 0s ff i h Watch1 For Help press F1 NUM GageViewer General Settings Trace m Timebase Channel Na Vert Scale m Trace GaGe Viewer cay All Connect Dots Invert Gage iewer Standard edition ver 3 0 al aa Method http www qage applied com eae a Jann hea Min Max 7 GageViewer fd tonebrst sig YT1 As you are not connected to a live instrument some features are disabled You can however load and save disk based GageScope files extension SIG EGG etc To load a file click on File gt Load Channel Sample SIG files are located in the Signal Files folder inside the C Gage GageScope folder Sample EGG files are located in the AWG Equations folder
192. tacked on top of the previous acquisition until the on board buffer fills up For example if a post trigger depth of 1024 points is specified the first acquisition stores data in addresses between 0 and 1023 the next acquisition from 1024 to 2047 and so on until the buffer is full This feature is invaluable in applications in which trigger events are occurring rapidly or unpredictably and A D down time has to be minimized 318 GageScope Nyquist Theorem The Nyquist Theorem states that a function v t whose highest frequency component is fmax Must be sampled at a frequency F such that F o fmax In other words if an A D device samples the input signal at a maximum frequency of F the signal frequency can not be determined unless it is guaranteed that the maximum frequency component of the input signal is half the sampling frequency 0 5 F For example in the case of CompuScope 250 F is 100 MHz therefore the input signal must not have frequency components higher than 50 MHz Note To reconstruct the signal in the time domain the sample rate should be at least five times the maximum frequency component F 5 fimax On board Memory In CompuScope cards on board memory refers to the amount of high speed memory the card has On board Memory is measured in Megasamples As an ultra fast data acquisition device the CompuScope card can convert analog signals must faster than the resulting data can be transferred to th
193. tem is unchecked in the Averaging Mode In this mode GageScope takes a MulRec record and averages it over a specified number of acquisitions to produce an averaged MulRec record Averaging Trace Drawing Count 4 Average MulRec Start E C Codd P Running Depth 4096 Reset All 4 Ch Ch 3 ee ee 50 For instance if we set the Count to 40 via the Increment buttons GageScope will acquire the current records or their portion forty times and average the records in each of the forty acquisitions to produce an averaged MulRec record Averaging Trace Drawing Count 40 Average MulRlec Start lo Co amp dd P Running Depth 4096 Reset 8 All 9 Chi Ch 3 oa a Sa GageScope 237 51 In this case although the multiple record depth was specified to be 4096 samples we have changed the averaging depth to be the first 1024 samples Averaging Trace Drawing Count 4 f Average MHulRec Start lo C Codd Running al Depth 1024 Reset setting gt Chi F Ch 2 a Ch 3 Note that by entering an integer number in the Start field and the averaging depth we can select any arbitrary portion of the acquisition to be averaged 52 Change the count to 40 The result of the 40 averages for the selected portion of the acquisition is shown as GageScope Professional edition S YX File View Capture Tools Window Help e Se r gt Bla
194. th General Settings CS Input Trace Drawing M Timebase Vert Scale EE SN e Level I 23 4 m f a am 200ns d E ch 500m 7d aj 1 0 div T Cows Ge Pattern LU eee SS C 2125 Display1 Ag All A Ch2 The acquisition is a series of output pulses with of 1MHz frequency from a frequency generator We will perform the integration operation on this channel GageScope 261 2 From the Tools menu select Extended Math or select M from the toolbar The New Analysis Dialog box will appear 3 Select Channel 2 from the Operand 1 drop down menu 4 5 262 Click on the a button Select channel 3 for the Result drop down menu GageScope 6 Click OK The result of the integration appears will appear as GageScope Professional edition ver 2 20 CS2125 Display1 3 File View Capture Tools Window Help laj x SE Z BRD k RAIRA fe du fat foo Og Si ol ll Soe am e root 1 Info Yiew x PRS ees mimm op e m p e e TEE imb o dei o m b amt D et et m oe imb Oe dii ot ME Ready PERAS SC al ai PP Watch For Help press F1 NUM C 2125 Trigger Depth Trace Drawing m Timebase Vert Scale r Position Channel Name _ cht devel 23 4 mv c ae ae al iw fA T S 2 r Pattern 2 C2125 E Displayt ES Ch2 f Ch3 Th
195. the Channel Control Increment Averaging Trace Drawing Counter H Count i H e Average Mulhec f A start jo C Codd P Running Average Count Depth 4096 Reset setting SHEER AEA A gt Chi E Che a Ch 3 The number in the Count field specifies the number of averages to be performed by the GageScope The default number of averages is 1 To change the number of count do one of two things e Click on the increment decrement buttons to change the value e Click in the Counter field press Backspace to erase the current value and type in a new value For more details on Count see Averaging tool on page 231 GageScope 169 Channel Control Averaging Tab Start The Start setting is located in the Averaging tab of the Channel Control Averaging Trace Drawing Count k Average F MulAec Start Setting jeeStart 0 C CoAdd Running Depth a06 Reset a gt thi jao Ch2 amp Ch3 The Start setting specifies the first sample of the averaged region relative to the trigger position For a selected portion of the acquisition to be averaged the user can select the starting point of the signal by entering a number in this field For more details on Start see Averaging tool on page 231 170 GageScope Channel Control Averaging Tab MulRec The Multiple Record setting is located in the Averaging tab of the Channel Control Averaging Trace Drawing BSS Multipl
196. the original signal at all times Note that phase information is not preserved under this operation GageScope 267 3 The autocorrelation of random noise appears as follows EJ GageScope Professional edition ver 2 20 CS2125 Display1 5 File View Capture Tools Window Help a x SH S 9 8 SSX FARA BASF f du fat foo Og ID SO I GLIA P Info Yiew izi xj se a eae ae Timebase 500ns M Pos 2 5us W For Help press F1 NUM C521 25 Trigger Depth Trace Drawing Total f30344 30944 Fine Units Smpl Timebase ChannelName Vert Scale isai Ji petih TH Noma frann o a Post Trig 512 H MulRec a Display1 Ag Alja Chi f Ch3 52125 Notice the huge spike which seems like a dirac delta function at the start of the result in channel 3 268 GageScope Crosscorrelation It is well known in the test and measurement world that the response of a system can be characterized by subjecting the system to a random excitation The concept of Crosscorrelation is a useful analysis tool in such applications 1 From the Tools menu select Extended Math or select m from the toolbar The New Analysis Dialog box will appear Select Operand 1 Click the Crosscorrelation button E Ca lt lt An Analysis dt Extended math Operand 1 Sat aga a amp b Operand 2 En 4 Result 2 Choose Operand 2 3
197. the window in the left pane If 278 the Instrument Manager has been installed you will find a folder named Instrument Manager GaGe Click Instrument Manager Icon E to launch the Instrument Manager Explorer You can also get directly to this step by double clicking the Instrument Manager Icon on your computer s desktop I Exploring Inzirament Manager He Yew Go Favertes Joos Help o ing Boek Foe Up gien E Intinamerd Manager Folders x Name Type ea Cheek beers BB FE Bared intrumertation PC Bared resources E E My Computes H nieme Explorer Sey Network Neighborhood E Inia Waruga H PE Based incinmertation gy Recycle Bin iy My Breleate Note that the active Window title now reads Exploring Instrument Manager The contents of Instrument Manager folder appear in the right pane of the Instrument Manager Explorer The right pane is divided into two fields Name and Type Name shows the name of the folder while Type specifies the type of resource contained in the corresponding named folder GageScope 65 Click PC based Instrumentation Icon E The PC based Explorer opens in iie Typa Statut TE Desktop DSW RIM Tugegenoop m Compuncope Saved DWWINMT gege genuine Compuagen Saved ey Rececle Bin My Breese Note that the right pane displays the PC based resources currently present in the system Four fields appear on the right hand side Name Configuration Info Type
198. ton in the Trigger Group This is shown in the figure below cGi100 Gut on Sample rate PBOMS 4s Trigger Mode lint I Ext Triggered Continuous Burst i 050500 t cG1100 GageScope 137 138 GageScope System Control CG1100 Tab Mode The Mode setting is located in the CG1100 tab in System Control CG1100 Gut an Sample rate On MGs poies E P irt Ext Triggered Continuous Burst i css g The Mode Setting governs the manner in which the data is going to be uploaded to the CompuGen card Following choices are available Modes e Triggered In Triggered mode the displayed waveform pattern is output from the CompuGen only once after a trigger event has been received e Continuous In Continuous mode the displayed waveform pattern is output from the CompuGen in an endless loop Note that Continuous is the default Mode setting GageScope 139 140 Burst In Burst mode the displayed waveform pattern is output from the CompuGen an exact number of times Left click the command button with Caption Burst The button will look pressed in The text box can now be used to enter the number of sequences to be generated C1100 Out o Sample rate oO MSs Trigger Mode int Ext Triggered Continuous 2 CSo900 G1100 Note that the default number of samples to be uploaded is 2 You can change the va
199. ton in the Depth tab is pressed in it is enabled If it is not pressed in it reads Normal When a timeout occurs in Continuous Mode the message Ready appears in the status bar on a yellow background Timeout is automatically disabled in One Shot Mode Disabling the Timeout To disable the timeout click on the Auto button so that it reads Normal C8500 Trigger Depth Total 2M Smp Fine Pret ig mps ormai 10 0 m PostTriaf 40964 MuRec Timeout Disabled cs 8500 126 GageScope Setting a Timeout 4 Enable the timeout make sure the button reads Auto and is pressed in 2 Clickin the Auto field 3 Press Backspace or Delete to erase the existing value 4 Enter a new value followed by a unit of measurement For example type in 1 ms for 1 millisecond You can also use s for seconds Use only lowercase letters How Timeout Affects Capture Modes In the event of a timeout while in Continuous capture mode GageScope forces a software trigger 1 e it triggers immediately upon timeout acquires the current signal then resets the CompuScope card to await another trigger event When you change to One Shot capture mode timeout is automatically disabled When you change back to Continuous capture mode timeout is automatically set back to the value it had before you entered One Shot capture mode GageScope 127 System Control Depth Tab Multiple Record The Multiple Record setting is located i
200. ts of what was captured To move toward the right for example you can click on the horizontal scroll bar s right scroll arrow Scroll Scroll Scroll left bar right You can also drag the scroll bar the Display Window will update dynamically Scroll Bar Size The size of the bar in the vertical and horizontal scroll bar indicates the size of the Display Window relative to the overall width of the signal from end to end If the scroll bar is very small the portion of the signal you are seeing is small compared to the whole signal Conversely if the scroll bar is two thirds the size of the Display Window then you are seeing two thirds of the whole signal The scroll bar size is affected by the timebase If the timebase is large 100us d compared to the default Sus d for example then the scroll bar gets larger as you are able to see more of the waveform in the same size Display Window The Scroll bar always remains visible 214 GageScope Status Bar The Status Bar is located at the bottom of the Display Window Current Settings Reflected in the Status Bar e Triggering activity e Timebase e M Pos distance from the trigger marker to the current position in seconds e Cursor and or Cursor 2 values if a cursor is enabled and Cursor deltas if both cursors are enabled see Cursors on page 93 for more information Triggering Activity Messages The text and background color have special meanings in the Status Bar Whil
201. ty GageScope and GageScope for DOS share the same SIG file format GageScope can load SIG files saved by GageScope for DOS and vice versa Neither GageScope nor GageScope for DOS can read an ASCII file This format should be used for export purposes only GageScope 53 File Save Channel Save Channel S M a saD x f du fat toa By tie Be SH IWH AlN Sects Alm The Save Channel command writes a channel to disk in the GageScope signal file format GageScope signal files have the extension SIG You also have the option to save the signal as an ASCII text file which you can import into a third party program for further analysis oe ae For detailed information on what is saved in a SIG file see Appendix A How it works 14 Choose Save Channel from the File menu to bring up the standard Windows Save As dialog or click on the Save Channel button in the toolbar You also can right click on a channel to bring up the channel context menu then choose Save Channel 54 GageScope 2 Notice the Channel field at the bottom of the dialog This field tells GageScope which channel to save If necessary select the channel you wish to save from this list Save Channel to File Save in E Signal Files 7 o E ToneBrst sig i Triangle sig 3 E J Am sig zig Ej Half am zig AmS weep sig ig Her bone sig Chopsine sig Ej E Sawtooth sig 1E
202. ues in Volts Peak to Peak is the absolute difference between the Maximum and Minimum values in Volts Period is the time it takes for a signal to complete one cycle and is equal to the sum of the Positive and Negative Widths Frequency is the number of cycles per second in a signal measured in Hz with 1 Hz equaling 1 cycle per second and is equal to 1 Period Fall Time is the length of time for a signal s falling edge to go from the High Level to Low Level These two levels are specified in the Reference High and Reference Low settings in the Parameters dialog box Rise is the length of time for a signal s rising edge to go from Low Level to High Level These two levels are specified in the Reference High and Reference Low settings in the Parameters dialog box Positive Width is the length of time between the rising and falling edge of the portion of the signal above the Middle Level This level is specified in the Reference Middle setting in the Parameters dialog box Negative Width is the length of time between the falling and rising edge of the portion of the signal below the Middle Level This level is specified in the Reference Middle setting in the Parameters dialog box 253 PosDuty Positive Duty is a percentage of the time it takes for the positive portion of a signal to complete compared to one whole cycle It is defined as Positive Width Period x 100 NegDuty Negative Duty is a percentage of t
203. uous Capture Mode See Capture Modes Cursors Cursors allow the user to measure the distance between two locations on the same signal or on different signals In GageScope a cursor is represented by a small x in the display window 314 GageScope Display Method The Display Method is the method GageScope uses to draw traces when two or more pixels are to be displayed in the same pixel column In many situations the number of screen pixels available 1s much smaller than the number of sample points to be displayed For example with screen depth set to 800x600 pixels GageScope might have to display 6000 points in a display window 600 pixels wide In order to draw the waveform GageScope must make a choice as to which pixel to use See Mean Display Method and MinMax Display Method DLL Dynamically Linked Library A DLL is a library of routines dynamically linked at run time under Windows operating system Dual Channel Mode See Channel Mode Effective Aperture Delay The finite period of time between the rising edge of the CONVERT clock and the instant at which the sample is taken ENOB Effective Number Of Bits defined using the following equation ENOB SNR 1 76 6 02 See Amplitude Resolution and ENOB See also Signal to Noise Ratio SNR GageScope 315 Equivalent Time Sampling With Equivalent Time Sampling the A D system repeatedly samples the input at a rate F but delays sampling every t
204. urth nth acquisition to produce the first point of the Result The same is done for all other points in the record Users are provided an option to either average or simply co add the data e Averaging The result is divided by n e Co Adding No division is done on the result The data resulting from co adding is 32 bit data For more details on Averaging see Averaging tool on page 231 172 GageScope Channel Control Averaging Tab Intermediate Results and Reset The Intermediate Results and Reset settings are located in the Averaging tab of the Channel Control Averaging Trace Drawing G BESUITS Count 4 T Average w ettin g Reset Button Start jo g re ad A Chi EE Che b Ch3 When acquisitions are co added the Averaging tool allows the user to request the display of intermediate results This means that GageScope will display the results while it performs the adding process rather than displaying just the final result e To display intermediate results click the Intermediate Results check box e By clicking the Reset button the Averaging or the CoAdding procedure starts all over again Notes e Please note that display of Intermediate Results may slow the co adding process e For more details on Averaging see Averaging tool on page 231 GageScope 173 Channel Control Averaging Tab Running The Running average settings are located in the Averaging tab of the Chann
205. when trigger event occurred Note 7 355 intl6 imped a Impedance for Channel A 0 1 MegaOhm0x10 50 Ohm 357 intl6 imped b Impedance for Channel B 0x0 1 MegaOhm 0x10 50 Ohm 359 float external tbs Time between samples in nanoseconds when using external clock 363 float external clock rate Minimum sample rate when using external clock GageScope 299 File Field Field Field Variable Field Description Index Type Size 367 int32 file options 01 GAGE_ SINGLE CHAN 02 GAGE DUAL CHAN 04 GAGE MODE EXT CLK ADJ Can be ORed with either GAGE DUAL CHAN or GAGE SINGLE CHAN 08 GAGE MODE MR JITTER ADJ Can be ORed with either GAGE DUAL CHAN or GAGE SINGLE CHAN 10 GAGE FAST RAM ADJ Can be ORed with either GAGE DUAL CHAN or GAGE SINGLE CHAN 20 GAGE X012X VERS ADJUST Can be ORed with either GAGE DUAL CHAN or GAGE SINGLE CHAN 371 ulntl6 2 version Version of the CompuScope hardware 4 BCD digits 373 ulnt32 4 eeprom options Hardware options stored in the CompuScope board s on board EEPROM 377 ulnt32 4 trigger hardware Auxiliary trigger hardware in use 0 none 1 Trigger Marker Board TMB 381 uInt32 4 record depth The size of each Multiple Record record when operating in Pre trigger Multiple Record PTM mode 385 ulnt8 127 padding 0 filled section to complete the 512 byte header 300 GageScope File Field Field Field Variable Field Description
206. xactBlackman and BlackmanHarris 257 61 Click OK when ready A new window opens with the FFT on display EJ GageScope Standard edition ver 2 22 CS2125 FFT2 File View Capture Tools Window Help lej x 5 A a IBD SKE E RRRA Info iew y xl mwa Center 31 3 kHz Span 62 5 kHz A A E P watent For Help press F1 NUM C 2125 Trigger Depth General Trace T Teale Single Dual Center m Max ed jo i Window Rect abit Span H Min zix Ci nen Num Points 8192 4 CS2125 fq Display FFT2 Iu Ch Once you have created an FFT window the Display and Channel Controls change to offer new options Specifically a new tab appears at the bottom of the Display Control called FFT2 This tab allows you to switch from the normal signal window to the FFT window Several new options appear here as well The Center and Span settings in the Combo box titled Horizontal allow you to change the horizontal scale of the FFT Display Window The Max and Min settings in the Combo box titled Vertical allow you to change the vertical scale of the FFT Display Window The Channel Name is used to display hide the FFT corresponding to a particular Channel General Horizontal merical Center darm 5 Spar Mir oe Display FFI 258 GageScope If the FFT Display Window is being shown the Channel Control changes to display
207. xt to One Shot in the Capture menu or if the One Shot button is enabled e To cancel a one shot capture select Stop from the Capture menu or click on the Stop button in the toolbar e When you choose one shot mode GageScope automatically disables the Timeout setting in the Depth tab of the System Control About One Shot Mode and Stop While in one shot mode if you click on Stop in the toolbar GageScope completes the current acquisition then stops If you select Stop while in one shot mode but a trigger event has yet to occur GageScope issues a software trigger 1 e it immediately acquires the current signal then stops The data you see is that which existed when you clicked on Stop GageScope 65 Capture Continuous Continu eus Capture E Ran 2 A e Slab Wane Ss 2 18 gt 804 x fe ly fa ka By B SO ie m In Continuous Capture Mode GageScope repeatedly waits for a trigger event acquires and displays the data then resets the CompuScope card to wait for another trigger event This is the default capture mode e To set GageScope to Continuous Capture select Continuous from the Capture menu or click on the Continuous button in the toolbar e To cancel continuous capture select Stop from the Capture menu or click on the Stop button in the toolbar When you select Continuous mode GageScope automatically enables the Timeout setting in the Depth tab of the System Control Abou
208. y right clicking with the mouse on the zero line of the channel display 2 The Save Channel dialog appears 3 Type a name for the file and select the channel to be saved from the Channel drop down list 4 By default only the current record is saved However there are several options for saving a Multiple Record acquisition e The Split MulRec checkbox checked in the sample screen above allows you to save each record of your Multiple Record acquisition as an individual file If this box is not checked the entire acquisition will be saved to one file e To save all of the records in the acquisition to one file make sure that all records are visible onscreen by following the steps under the heading Viewing All Records of the Acquisition Simultaneously Then save the file as usual e You can save only the visible portion of the channel by checking the box at the bottom of the Save Dialog just as you can with a non Multiple Record acquisition 5 Click Save when you have specified all of the options you wish GageScope 133 Loading a Multiple Record Channel 1 134 on the toolbar You can also load a Multiple Record channel as you would any other channel by 5 choosing Load Channel from the File menu or by clicking The Load Channel dialog appears Click on one of the files to select it and press Open GageScope Professional edition File View Capture Tools Window Help e aalas BDR E E 1QQ ENG f
209. your CompuScope and CompuGen card s using the Instrument Manager utility e Launch GageScope Note The procedure outlined in this section assumes that you are installing the software using a CD If you have downloaded GageScope software off the Gage web site please extract the SETUP and data files to a folder on your hard disk and run the SETUP program from that folder GageScope 17 Installing the Windows Device Drivers for your CompuScope or CompuGen Card In order to operate your CompuScope or CompuGen card under GageScope you must install the appropriate Windows driver for your CompuScope or CompuGen card before launching GageScope For instance if you have a CS8500 card and want to operate GageScope under Windows NT you must install the CompuScope Win NT Drivers in addition to installing GageScope under the same operating system Failure to install the appropriate driver will result in GageScope not being able to communicate with the cards installed in your system For complete instructions on installing the Windows Driver for your CompuScope consult the Driver Installation Guide that came with the CompuScope or CompuGen hardware 18 GageScope Installing GageScope Step by step Installation 1 4 Insert the GageScope CD ROM into your CD ROM drive The installation program will start automatically after a few seconds If you are running a Windows 95 system that does not have the a

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