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5.7

Trigger Coupling

Press the Setup button on the front panel to enter the TRIGGER menu, then press the Coupling
softkey and turn the Universal Knob or press the Coupling softkey continually to select one of
the following trigger coupling modes:

•

DC: Allows both DC and AC components into the trigger path.

•

AC: Blocks the DC components and attenuates signals lower than 8 Hz. Use AC coupling
to get a stable edge trigger when your waveform has a DC offset.

•

LF Reject: Blocks the DC components and rejects the low frequency components below
900 kHz. Use LF Reject coupling to get a stable edge trigger when your waveform has low
frequency noise, power line harmonics, etc.

•

HF Reject: Reject high frequency components higher 500 kHz.

5.8

Trigger Hold Off

Trigger Hold Off can be used to stabilize the triggering of complex waveforms such as series of
pulses. Hold off time is the amount of time that the oscilloscope waits after a trigger event
before re-arming the trigger circuitry. The oscilloscope will not trigger until the hold off time
expires.

Use the Hold Off option to trigger on repetitive waveforms that have multiple edges (or other
events) between waveform repetitions. You can also use the Trigger Hold Off to trigger on the
first edge of a burst when you know the minimum time between bursts.

For example, to get a stable trigger on the repetitive pulse burst shown below, set the hold off
time to be greater than 200 ns but less than 600 ns.

Figure 45 - Trigger hold off

To set the Hold Off:

1. Press the Run/Stop button to stop waveform capture, and then use the Horizontal Position

knob and the Horizontal Scale knob to find where the waveform repeats.

2. Measure this time using cursors or using the screen's graticule.

Note: Trigger coupling is different from channel coupling.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

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Содержание 2560 Series

Страница 1: ...Series 2560 4CH 2 CH Digital Storage Oscilloscopes Mixed Signal Oscilloscopes USER MANUAL Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Страница 2: ...ratings The category rating is a Roman numeral of I II III or IV This rating is also accompanied by a maximum voltage of the circuit to be tested which defines the voltage impulses expected and requir...

Страница 3: ...ck hazard the instrument chassis and cabinet must be connected to an electrical safety ground This instrument is grounded through the ground conductor of the supplied three conductor AC line power cab...

Страница 4: ...d to be used in an indoor pollution degree 2 environment The operating temperature range is 10 C to 40 C and the operating humidity is 85 relative humidity at 40 C with no condensation allowed Measure...

Страница 5: ...power cord from the instrument disconnect all other connections for example test leads computer interface cables etc discharge all circuits and verify there are no hazardous voltages present on any co...

Страница 6: ...heating while rack mounted Do not continue to operate the instrument if you cannot verify the fan is operating note some fans may have intermittent duty cycles Do not insert any object into the fan s...

Страница 7: ...of the European Parliament and the Council of the European Union on waste electrical and electronic equipment WEEE and in jurisdictions adopting that Directive is marked as being put on the market af...

Страница 8: ...meets the requirements of 2014 35 EU Low Voltage Directive and 2014 30 EU Electromagnetic Compatibility Directive with the following standards Low Voltage Directive EN 61010 1 2010 EMC Directive EN 6...

Страница 9: ...is the Out position of the power switch when instrument is OFF Off Supply This is the AC mains connect disconnect switch on top of the instrument CAUTION indicates a hazardous situation which if not...

Страница 10: ...tionality 20 2 Getting Started 23 2 1 Input Power Requirements 23 2 2 Line Voltage and Fuse Requirements 23 2 3 Preliminary Check 25 Security Lock 25 Verify AC Input Voltage 25 Connect Power 25 Adjust...

Страница 11: ...Function 39 3 5 Run Control 40 3 6 Multi Function Control 41 3 7 Universal Knob 42 Adjust the waveform intensity 42 Universal Knob 42 3 8 On line Help 42 4 Sample System Configuration 44 4 1 Run Contr...

Страница 12: ...ut Trigger 76 Runt Trigger 79 Pattern Trigger 81 Serial Trigger 83 6 Math Functions 93 6 1 Math Operations and Their Units 93 6 2 Addition and Subtraction 93 6 3 Multiplication and Division 94 6 4 FFT...

Страница 13: ...3 Load setup from internal memory 113 10 3 External save and recall 113 External Save 113 Recall an external file 114 10 4 File Management 114 Create a New File or Folder 115 Delete a file or folder 1...

Страница 14: ...I2C Serial Decode 135 15 2 SPI Serial Decode 137 Setup for SPI Signals 137 SPI Serial Decode 139 15 3 UART RS232 Serial Decode 141 Setup for UART Signals 141 UART Serial Decode 142 15 4 CAN Serial Dec...

Страница 15: ...6 Pulse Waveform 156 DC Waveform 157 Noise Waveform 157 Cardiac Waveform 158 Gaus Pulse 159 17 2 Arbitrary Waveforms 159 17 3 Output Impedance 160 17 4 Set Default Values 161 17 5 AWG Self Cal 161 18...

Страница 16: ...els Trigger types Edge Slope Pulse Video Window Runt Interval DropOut Pattern Serial Waveform acquisition function 36 automatic measurements voltage and time parameters Standard interfaces USB Host US...

Страница 17: ...tal logic probe MSO models only 1 x Certificate of calibration 1 x Quick start guide Verify that all items above are included in the shipping container If anything is missing please contact B K Precis...

Страница 18: ...zontal Control Menu Softkeys Auto Run Control Print Button Universal Knob Power On Off Button Trigger Control Analog Inputs Function Menus Digital Inputs Wave Gen Control USB Host Port Multi function...

Страница 19: ...e following images show back and side panel connection locations Figure 3 Rear panel Back Panel Description Pass Fail or trigger output External trigger input USB LAN Safety lock Kensington style AC p...

Страница 20: ...ive to center of display Trigger point on waveform Frequency counter measures frequency of trigger signal Sample rate and memory depth Trigger settings Channel settings Channel label and zero volts po...

Страница 21: ...to decrease or increase respectively Press the horizontal position knob to reset the delay parameter to zero the trigger position mark will then be in the middle of the screen 4 Trigger position mark...

Страница 22: ...C AC LF Reject HF Reject of the current trigger source Trigger Level Displays the trigger voltage or current level of the current waveform Press the Universal Knob to set the level to 50 of the wavefo...

Страница 23: ...o the channel s current point on the vertical axis 10 Trigger level position Displays the position of the current channel trigger level Press the Trigger Level Knob to reset the trigger voltage to the...

Страница 24: ...an extension cable be sure that it can meet the required power ratings for this instrument Any misuse with wrong or unsafe cables will void the warranty 2 2 Line Voltage and Fuse Requirements An AC i...

Страница 25: ...trument until the line voltage is configured correctly Applying an incorrect line voltage or configuring the line voltage improperly will damage the instrument and void all warranty Any disassembling...

Страница 26: ...e and insert turn the key clockwise to lock the instrument and then remove the key from the lock Figure 8 Security lock Verify AC Input Voltage Verify the proper AC voltages are available to power the...

Страница 27: ...lloscope backwards for better visibility If Figure 10 Supporting feet adjustment 2 4 Power on Inspection After connecting the oscilloscope to the AC power press the power switch at the lower left corn...

Страница 28: ...ype serial number and Scope ID will be displayed Press the Single key to exit Connect the Probe B K Precision provides passive probes for the 2560 Series oscilloscope Please refer to the probe s user...

Страница 29: ...ess the Auto Setup button 5 Observe the waveform on the screen and compare it to the following figure Figure 12 Waveform compensation 6 Use a nonmetallic flat head screwdriver to adjust the low freque...

Страница 30: ...e not sure whether a point you want to connect to is at ground potential first check it with a known working high impedance digital voltmeter Probe Attenuation Probes have attenuation factors that can...

Страница 31: ...ing material ButtonName indicates a button on the right hand main panel of the oscilloscope Softkey denotes a softkey for a menu selection on the softkeys below the screen 3 1 Menu and Control Buttons...

Страница 32: ...imum maximum standard deviation and count number of samples for selected parameters over time This menu lets you set the display type dots the sampled points vectors lines are drawn between the dots t...

Страница 33: ...DO D15 connect the logic analyzer digital breakout cable to this connector cable provide and digital functions enabled with the MSO option Miscellaneous Connectors Figure 16 Miscellaneous connectors U...

Страница 34: ...tion USB USB port for remote device control LAN Ethernet connection 3 3 Vertical System Figure 18 Vertical Analog Input Channels The colors correspond to the color of the traces on the screen and on t...

Страница 35: ...Adjust the Vertical Scale By pressing the vertical scale knob the knob can be used for coarse or fine adjustments The coarse adjustment sets the vertical scale in 1 2 5 steps such as 1 mV div 2 mV di...

Страница 36: ...et of the signal is blocked When the coupling is set to GND both the DC offset and AC components of the signal are both blocked Press the 1 button on the front panel then press the Coupling softkey an...

Страница 37: ...can display the channel s measurement unit as volts V or amperes A When the unit is changed the unit displayed in the channel label will change accordingly The default setting is V 1 Press the 1 butto...

Страница 38: ...op portion in the bottom section Turn the scale knob the knob on the left to adjust the size of the viewing window This features lets you see detail in waveforms not easily visible in the unzoomed dis...

Страница 39: ...t the top of the screen changes accordingly Press this knob to reset the trigger delay to zero Changing the delay time moves the trigger point blue inverted triangle at the top of the screen horizonta...

Страница 40: ...igger section When the sweep is finished the waveform s information will stay on the screen The Zoom Function Zoom is a horizontally expanded version of the normal display You can use Zoom to locate a...

Страница 41: ...ingle trigger button Turn persistence on to measure jitter To change the zoomed time base of the normal window turn off the Zoom function and adjust the Horizontal Scale knob 3 5 Run Control Figure 21...

Страница 42: ...waveforms taking the FFT of a waveform if integrating it differentiating it or taking its square root Ref Button This button lets you store reference waveforms A reference waveform can be compared to...

Страница 43: ...sist Intensity and use the Universal Knob to do adjusting Adjusting grid brightness 0 to 100 and transparency 20 to 80 are done in a similar fashion Universal Knob When a menu s softkey has been press...

Страница 44: ...43 Figure 24 Help message...

Страница 45: ...Normal to keep the oscilloscope from auto triggering immediately The trigger circuitry is armed and the Single key is illuminated The oscilloscope will wait until a user defined trigger condition occ...

Страница 46: ...ent from the actual signal Figure 25 Waveform distortion 2 Waveform Aliasing When the sampling rate is lower than twice the Nyquist frequency the frequency of the waveform reconstructed from the sampl...

Страница 47: ...mited Here that means there are no frequency components in the signal above fBW This is unrealistic in many practical measurements because it would require a brick wall filter Figure 28 Bandwidth and...

Страница 48: ...illoscope provides up to 140 Mpts memory depth 70 Mpts if two interleaved channels are being displayed To change the memory depth 1 Press the Acquire button on the front panel 2 Press the Mem Depth so...

Страница 49: ...and vector display to see how the display methods differ The vector display method draws lines connecting the dots this is called interpolation Most users seem to prefer an interpolated waveform as i...

Страница 50: ...49 Figure 30 Display type set to dots Figure 31 x interpolation i e connect the dots with lines...

Страница 51: ...50 Figure 32 Sinx x interpolation...

Страница 52: ...orm For the majority of waveforms normal mode is probably the best choice you will use other modes for problematic waveforms Normal is the default acquisition mode Peak Detect In peak detect mode the...

Страница 53: ...ycle normal mode Figure 35 Pulse with 0 1 duty cycle peak detect mode Average In this mode the oscilloscope averages the waveforms from multiple frames to reduce the random noise of the input signal a...

Страница 54: ...will be lower because of the need to capture the extra frames The number of frames averaged are 4 16 32 64 128 256 512 and 1024 The default is 16 To select Average mode press the Acquire button press...

Страница 55: ...lter to reduce the random noise on the input signal and generate smoother waveforms Eres can be used on both single shot and repetitive signals and it does not slow down the waveform update speed Eres...

Страница 56: ...nent s current is plotted vertically against the voltage across the component in the horizontal direction Look up Octopus tester on the web for more details XY mode can be used to compare frequency an...

Страница 57: ...e The maximum capture rate is more than 500 000 waveforms s An infrequent event is more likely to be captured using sequence mode You set the number of frames to capture called segments and the oscill...

Страница 58: ...e frame number that is displayed on the screen 3 Press the Frame No softkey and then turn the Universal Knob to select the frame to display 4 Press the softkey to replay the waveform from the current...

Страница 59: ...t After the waveform is displayed the oscilloscope arms the trigger and waits for another trigger event and displays the next waveform when triggered Single This is the same as normal triggering excep...

Страница 60: ...ur previous settings This acts like an undo button Noisy sine wave Changes to averaging mode with a sample size of 16 to reduce noise If the waveform is out of the Auto Setup s range a dialog window w...

Страница 61: ...for a stable signal Press the Setup button in the Trigger section on the front panel to enter the TRIGGER menu Press the Source softkey and then turn the Universal Knob to select the desired trigger...

Страница 62: ...n the input is DC or there s no signal Single This mode is the same as the normal mode except the oscilloscope is put into the Stopped state after the trigger event has occurred The single trigger mod...

Страница 63: ...ries of pulses Hold off time is the amount of time that the oscilloscope waits after a trigger event before re arming the trigger circuitry The oscilloscope will not trigger until the hold off time ex...

Страница 64: ...signal is required to trigger the oscilloscope Press the Setup button on the front panel and then press the Noise Reject softkey to turn noise rejection on or off If the signal is noisy you can set th...

Страница 65: ...64 Figure 46 Turn off noise reject Figure 47 Turn on noise reject 5 10 Trigger Types The oscilloscope provides multiple advanced trigger functions including various serial bus triggers...

Страница 66: ...r 1 Press the Setup button on the front panel to enter the trigger menu 2 Press the Type softkey Turn the Universal Knob to highlight Edge and push the knob to select 3 Press the Source softkey Turn t...

Страница 67: ...of the waveform can be set to rising or falling The following figure shows a positive slope time which is defined as the time difference between the two crossing points of trigger levels A and B on t...

Страница 68: ...er when the slope time of the input signal is less than the specified time Greater than a time value Trigger when the slope time of the input signal is greater than the specified time value Within a r...

Страница 69: ...or Negative pulse The current trigger polarity is displayed at the upper right corner of the screen 6 Press the Limit Range softkey Turn the Universal Knob to select the desired condition Less than s...

Страница 70: ...cified times Trigger when the pulse width is between the lower and upper specified times For example for a positive pulse if you set the pulse width between 100 ns and 300 ns the oscilloscope will tri...

Страница 71: ...e Universal Knob to select an analog channel as the trigger source 4 Note the Trigger Level knob does not change the trigger level because the trigger level is automatically set to the sync pulse 5 Pr...

Страница 72: ...ield you have selected Press the Line or Field softkey then turn the Universal Knob to set the value The following table lists the line numbers per field for each video standard Standard Field 1 Field...

Страница 73: ...deo Trigger Custom video trigger supports frame rates of 25 Hz 30 Hz 50 Hz and 60 Hz The line range available is from 300 to 2000 The steps below show you how to set custom trigger 1 Press the Setup b...

Страница 74: ...he window height The lower and the upper trigger levels will move together Figure 55 Window trigger If the lower and the upper trigger levels are both within the waveform amplitude range the oscillosc...

Страница 75: ...lower trigger level Figure 56 Absolute window trigger Setting Window Trigger via Relative window type 1 Press the Setup button on the front panel to enter the TRIGGER menu 2 Press the Type softkey Us...

Страница 76: ...2 Press the Type softkey Use the Universal Knob to select Interval and push the knob to confirm 3 Press the Source softkey and turn the Universal Knob to select one of the analog channels as the trig...

Страница 77: ...the Time Setting softkey turn the Universal Knob to select the desired value Figure 59 Interval trigger DropOut Trigger There are two types of DropOut triggers edge and state The oscilloscope will tri...

Страница 78: ...versal Knob to select one of the analog channels as the trigger source The current trigger source is displayed at the upper right corner of the screen 4 Press the Slope softkey to select the rising or...

Страница 79: ...could find such stretched pulses Setting State DropOut trigger 1 Press the Setup button to enter the TRIGGER menu 2 Press the Type softkey Turn the Universal Knob to select DropOut and push the knob...

Страница 80: ...t not an upper threshold A negative going pulse crosses an upper threshold but not a lower threshold To trigger on a runt pulse 1 Press the Setup button to enter the TRIGGER menu 2 Press the Type soft...

Страница 81: ...l Knob to select the desired condition or To adjust the time setting press the softkey immediately to the right of the Limit Range softkey Enter a time by turning the Universal Knob to select the desi...

Страница 82: ...r to other triggers Pattern durations are evaluated using a timer The timer starts on the last edge that makes the pattern true Potential triggers occur on the first edge that makes the pattern false...

Страница 83: ...s trigger level or threshold level Don t Care sets the pattern to don t care on the selected channel Any channel set to don t care is ignored and is not used as part of the pattern However if all cha...

Страница 84: ...etup button on the front panel to enter trigger menu 2 Press the Type softkey Turn the Universal Knob to select Serial and press the Protocol softkey to select I2C 3 Press the Signal softkey to config...

Страница 85: ...ing any Ack SCL clock bit EEPROM The trigger looks for the EEPROM control byte value 1010xxx on the SDA line followed by a Read bit and an Ack bit It then looks for the data value and qualifier set by...

Страница 86: ...72 7 bit address and data condition trigger 26th clock edge To set the oscilloscope to trigger on a 7 bit address read or write frame condition or a 10 bit read or write frame condition a Press the A...

Страница 87: ...h Data2 shows 0xXX For triggering purposes a restart is treated as a start condition Frame Start Address byte 1 Write Address byte 2 Ack Data Ack Data The oscilloscope triggers on a read or write fram...

Страница 88: ...bits in the string can be set from 4 bits to 96 bits The data values for the serial string are displayed in the MISO MOSI data string in the waveform area 10 For each bit in the MISO MOSI data string...

Страница 89: ...l 1 Press the Setup button to enter the TRIGGER menu 2 Press the Type softkey 3 Turn the Universal Knob to select Serial 4 Press the Protocol softkey to select UART 5 Press the Signal softkey to confi...

Страница 90: ...fy For use when the device under test data words are from 5 to 8 bits in length a Press the Compare Type softkey and choose an equality qualifier You can choose equal to less than or greater than a sp...

Страница 91: ...ID Byte softkey and turn the Universal Knob to select the byte to be set c Press the ID softkey and then turn the Universal Knob to set the ID ID DATA The oscilloscope will trigger on data frames mat...

Страница 92: ...softkey and turn the Universal Knob to select the LIN signal threshold voltage level The threshold voltage level is used in decoding and it will become the trigger level when the trigger type is set t...

Страница 93: ...ur LIN bus signal The LIN baud rate can be set to predefined baud rates from 600 to 19200 or a custom baud rate from 300 to 20000 If the desired baud rate is not listed select Custom on the Bit Rate s...

Страница 94: ...ision require two waveforms FFT differentiation integration and taking the square root operate on a single waveform 6 2 Addition and Subtraction When you select addition or subtraction The Source A an...

Страница 95: ...time record of the waveform and transforms it to the frequency domain When the FFT function is selected the FFT spectrum is plotted on the oscilloscope display as magnitude in dBVrms or Vrms or corres...

Страница 96: ...n the Universal Knob or turn the horizontal scale knob to select the desired magnification 1X 2X 5X 10X Set the FFT Zoom to a higher magnification to see more details of the FFT waveform 8 Press the S...

Страница 97: ...math function operation menu shows the point to point time difference and it is adjustable from 0 02 divisions to 0 40 divisions Since the oscilloscope has 50 pixels per division the number of samples...

Страница 98: ...equation is n 0 i i 0 n y t c I In approximate numerical integral of waveform with respect to time co arbitrary constant t point to point time difference yi sampled data point of selected analog chan...

Страница 99: ...math functions the Scale and Position softkeys are supplied to enlarge or reduce the displayed waveform s amplitude and position it vertically on the screen Press the Gate softkey to open the Gate me...

Страница 100: ...99 Figure 83 Integrate gate function 6 7 Square Root This function calculates the square root of the selected source Points where the waveform s data are negative are set to zero Figure 84 Square root...

Страница 101: ...Choose one of the following softkeys a for vertical cursors b for horizontal cursors c for both vertical and horizontal cursors 3 The second positioned softkey is used to select which cursor to set w...

Страница 102: ...nce sources 1 Use the X1 Source softkey to choose which waveform X1 will track CH1 CH2 MATH REF A or REF B 2 Use the X2 Source softkey to choose which waveform X2 will track CH1 CH2 MATH REF A or REF...

Страница 103: ...r REF D 4 Press the Type softkey and turn the Universal Knob to select the desired measurement parameter s The trigger Level Knob can also be used to move the selection 5 Press the Universal Knob to a...

Страница 104: ...art of the waveform or if the mode is not well defined the base is the same as Minimum Mean The arithmetic over the entire waveform Cycle mean The arithmetic mean over the first cycle of the waveform...

Страница 105: ...ratio of the negative pulse width to the period Delay Time from the trigger to the first transition at the 50 crossing Time Mid Time from trigger of each transition at a specific level and slope Dela...

Страница 106: ...source 1 and the last falling edge of source 2 at the 50 voltage level Skew Time of source 1 edge minus time of nearest source 2 edge 8 2 Statistics Press the Statistics softkey to show the statistic...

Страница 107: ...a display box for the channel indicated in the upper left hand corner To make this measurement follow these steps 1 Press the Measure button to enter the MEASURE menu 2 Press the All Measure softkey...

Страница 108: ...ues off the screen or using cursors especially for waveforms with sharp edges like square waves Dots display the sample points as dots You can use the cursor to measure the X and Y values of the sampl...

Страница 109: ...ng in the waveform it is similar to a histogram Colors near red have the highest relative frequency and colors near blue have the lowest For signals with random noise Color Grade mode is useful in hel...

Страница 110: ...lay time is set to infinite To turn persistence on and off 1 Press the Display Persist button to enter the DISPLAY menu 2 Press the Persist softkey and turn the Universal Knob to select the desired op...

Страница 111: ...e Next Page softkey 3 Press the Graticule softkey and turn the Universal Knob to select the desired value The default is 40 and the range is from 0 to 100 Waveform Intensity To adjust the waveform int...

Страница 112: ...parency softkey and turn the Universal Knob to select the desired value The default value is 80 and the range is from 20 to 80 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 T...

Страница 113: ...CH1 CH2 CH3 CH4 or Math External files will be of the form REF When recalled the reference waveform data will be displayed on the screen Binary The oscilloscope saves the waveform data to external mem...

Страница 114: ...location After a few seconds a message will be displayed saying the operation was successful Load setup from internal memory 1 Press the Save Recall button to enter the SAVE RECALL menu 2 Press the Re...

Страница 115: ...ished Figure 93 Saving a file to a USB flash drive Recall an external file 1 Press the Save Recall button to enter the SAVE RECALL menu 2 Press the Recall softkey 3 Press the Type softkey to select se...

Страница 116: ...we re creating a folder the type isn t important 4 Press the Press To Save softkey to enter the file folder dialog 5 Press the New softkey to open the file folder dialog Press the Modify softkey unti...

Страница 117: ...external storage devices 1 Press the Save Recall button to open the SAVE RECALL menu 2 Press the Save or Recall softkey to enter the USB storage device interface 3 Press the Type softkey and then turn...

Страница 118: ...ope FPGA Version Lists the current FPGA version of the oscilloscope Hardware Version Lists the current hardware version of the oscilloscope Product Type Gives the model number of the oscilloscope Seri...

Страница 119: ...ront panel to exit the calibration interface 11 3 Sound When sound is enabled a sound will be heard when a function key or a menu softkey is pressed or when a prompt message pops up To enable disable...

Страница 120: ...UT connector on the rear panel The Pass Fail test only operates on analog channels that are displayed Perform a Pass Fail Test 1 Press the Utility button to enter the UTILITY menu 2 Press the Next Pag...

Страница 121: ...detected the oscilloscope will enter the STOP state The results of the test remain on the screen if the display is turned on and one pulse is output from the PASS FAIL BNC connector if enabled on the...

Страница 122: ...11 6 I O Remote Communication The oscilloscope provides a USB Device LAN local area network connection and Auxiliary Output I O interfaces Communicating via USB You can use the operation software or...

Страница 123: ...e other settings are inactive Disable you can manually set the IP address subnet mask and gateway address manually Turn the Universal Knob to select the desired value Push the Universal Knob to set th...

Страница 124: ...40 kHz Pass Fail The oscilloscope will output a pulse signal when failed waveforms are detected The output pulse on the TRIGGER OUT BNC connector on the back will be nominally a 3 3 positive pulse abo...

Страница 125: ...nob to select the update file it should have an ADS suffix Press the Load softkey to start loading the new firmware The process takes about 7 minutes IMPORTANT Do not turn off the oscilloscope during...

Страница 126: ...lue and red again The different colors can show stains and scratches on the screen 6 Press the Run Stop button to exit the screen test program Keyboard Test The keyboard test is used to check that the...

Страница 127: ...UTILITY function menu 3 Press the Do Self Test softkey to enter the self test function menu 4 Press the Keyboard Test softkey to enter the keyboard test interface it will appear the same as the pictur...

Страница 128: ...the options currently installed on the oscilloscope or activate the options using newly purchased option license codes using this menu Do the following steps to install the option on the oscilloscope...

Страница 129: ...ave analog channel or math waveforms to one of four reference waveform locations in the oscilloscope Later a reference waveform can be displayed and compared to other waveforms Four reference waveform...

Страница 130: ...Display a Reference Waveform 1 Press the REF button to enter the REF WAVE menu 2 Press the Location softkey 3 Turn the Universal Knob to select the storage location you want to display 4 Press the Di...

Страница 131: ...features of the oscilloscope let you see these stored frames To use the history function the oscilloscope must not be in XY mode press the Acquire button and ensure the XY softkey set to Off Do the fo...

Страница 132: ...ime has to be allowed to fill the acquisition memory otherwise the maximum number of frames won t be reached 4 Press the softkey to automatically play the waveforms from the current frame to frame 1 5...

Страница 133: ...Default button on the front to set the oscilloscope to the recall the factory setup The details show as below General Settings Utility Test Equipment Depot 800 517 8431 99 Washington Street Melrose M...

Страница 134: ...133 Math Settings Decoding Settings Optional...

Страница 135: ...134 Arbitrary Waveform Generator Optional...

Страница 136: ...col softkey and select I2C with the Universal Knob and push the Universal Knob to confirm 4 Press the Signal softkey to enter the I2C SIGNAL menu Figure 107 I2C SIGNAL menu 5 For both the SCL serial c...

Страница 137: ...is 1 to 7 Interpreting I2C Decode Active waveforms show an active bus inside a packet frame Mid level blue lines show an idle bus In the decoded hexadecimal data Address values appear at the start of...

Страница 138: ...p for SPI Signals SPI Decode Setup for SPI Signals Serial Peripheral Interface SPI signals setup consists of connecting the oscilloscope to a clock MOSI data MISO data and framing signal then setting...

Страница 139: ...e the trigger level when the trigger type is set to the selected serial decode slot 8 Press the softkey to return to the SIGNAL menu 9 Press the MOSI softkey to enter the SPI MOSI menu Figure 112 MOSI...

Страница 140: ...oscope will search for the Data pattern on which to trigger The Limit value can be set from 100 ns to 1 s b Press the Threshold softkey and turn the Universal Knob to select the chip select signal thr...

Страница 141: ...ndicate you need to expand the horizontal scale and run again to see decode Red dots in the decode line indicate that there is data that is not being displayed Scroll or expand the horizontal scale to...

Страница 142: ...s threshold voltage level The threshold voltage level is used in decoding and it will become the trigger level when the trigger type is set to the selected serial decode slot The threshold can be set...

Страница 143: ...he decode line on the display 3 Press the List softkey to enter the LIST menu 4 Press the Display softkey and choose On to display the decode list on the display 5 Press the Scroll softkey and the Lin...

Страница 144: ...followed to ensure that the trigger and decode functions are set correctly Setup for CAN Signals CAN Decode Setup for CAN Signals The setup consists of connecting the oscilloscope to a CAN signal and...

Страница 145: ...L differential bus signal CAN_H CAN_L The CAN differential bus signals connected to an analog source channel using a differential probe Connect the probe s positive lead to the dominant high CAN signa...

Страница 146: ...hin frame boundaries Pink vertical bars indicate you need to expand the horizontal scale and run again to see decode Red dots in the decode line indicate that there is data that is not being displayed...

Страница 147: ...ftkey and select the channel for the LIN signal 8 Press the Threshold softkey and urn the Universal Knob to select the LIN signal threshold voltage level The threshold voltage level is used in decodin...

Страница 148: ...mber of lines in the list The range of Lines is 1 to 7 7 Press the Format softkey and the following choices will be available Binary Decimal Hex ASCII 8 Press the key to return to the DECODE menu Inte...

Страница 149: ...B K Precisions 16 1 Connecting Digital Probes to Device under Test To connect the digital probes to the device under test 1 Turn off the power supply to the device under test This can prevent damage...

Страница 150: ...ve the threshold the oscilloscope stores a 1 in the sample memory otherwise it stores a 0 16 3 Displaying Digital Channels 1 Press the Digital button on the front panel to open the DIGITAL function me...

Страница 151: ...150 Figure 128 Channel Height High Figure 129 Channel Height Middle Figure 130 Channel Height Low...

Страница 152: ...w to the set you wish to turn on or off then press either the Channel Group softkey or the Universal Knob to toggle the state 16 6 Changing the Logic Threshold for Digital Channels 1 Press the Digital...

Страница 153: ...DIGITALBUS menu 3 Press the Bus Select softkey to select Bus 1 or Bus 2 Selecting Bus 1 for example will show the B1 bus display in blue at the bottom of the screen just above the softkeys 4 Press th...

Страница 154: ...menu b A second press of the WaveGen button will turn off the backlight of the WaveGen button and turn the generator s output off 2 Press the Wave Type softkey and turn the Universal Knob or press the...

Страница 155: ...ave two other selections High Level and High Level Fine for the amplitude softkey and Low Level and Low Level Fine for the offset softkey When any of these are chosen the labels on the softkeys change...

Страница 156: ...xp Fall 5 Table 12 Waveform maximum frequency Sine Waveform Figure 134 Default Sine Waveform Square Waveform Press the Duty softkey and turn the Universal Knob to set the waveform duty cycle Duty 20 t...

Страница 157: ...urn the Universal Knob to set the ramp symmetry Symmetry 0 to 100 Figure 136 Default Ramp Waveform Pulse Waveform Press the Width softkey and turn the Universal Knob to set the pulse width Press Width...

Страница 158: ...DC Waveform Noise Waveform Press the Stdev softkey and turn the Universal Knob to set the standard deviation Press the Mean softkey and turn the Universal Knob to set the mean Stdev 0 3 to 450 mV Test...

Страница 159: ...158 Mean 2 998 to 2 998 V Figure 139 Default Noise Waveform Cardiac Waveform Figure 140 Default Cardiac Waveform...

Страница 160: ...Using a USB cable connect the oscilloscope to a Windows PC that has the waveform generator software installed download the software from www bkprecision com 3 Double click the waveform generator icon...

Страница 161: ...osen in the window above Figure 143 AWG menu 9 To delete the arbitrary waveform press the Delete softkey 10 Press the Setting softkey to enter the SETTING menu 11 Press the Output Load softkey to sele...

Страница 162: ...17 5 AWG Self Cal If the ambient operating temperature changes more than 5 C and the instrument runs more than 30 minutes you should run the AWG self calibration routine to reduce thermal offset effe...

Страница 163: ...een the ends of the signal conductor of 9 M 2 Check that the signal connecting cord is connected to the correct BNC input connector 3 Check the probe by connecting it to the 1 kHz compensation signal...

Страница 164: ...r level to the middle of the trace or change the trigger Mode to Auto b Pressing the Auto Setup button might bring the waveform into view 6 The displayed signal looks like a ladder 1 The horizontal ti...

Страница 165: ...s 20 MHz Input Coupling DC AC GND Input Impedance Ch to Ch Isolation DC Max BW 35 dB Acquisition System Peak Detect 1 ns Average 4 16 32 64 128 256 512 1024 Enhanced Resolution Eres 0 5 1 1 5 2 2 5 3...

Страница 166: ...8 Color TFT LCD 800 x 480 Resolution Wave Display Mode Vectors Dots Persistence Off Infinite 1 sec 5 sec 10 sec 30 sec Intensity Grading 256 Levels Language English French Japanese Korean German Russi...

Страница 167: ...0p 60 1080p 50 1080p 60 1080i 50 1080i 60 Custom Sync Any Select Trigger Condition Line Field Window Trigger Window Type Absolute Relative Interval Trigger Slope Rising Falling Limit Range Time Range...

Страница 168: ...gth 1 byte Data Width 5 bit 6 bit 7 bit 8 bit Parity Check None Odd Even Stop Bit 1 bit 1 5 bit 2 bit Idle Level High Low Baud Rate Selectable 600 1200 2400 4800 9600 19200 38400 57600 115200 bit s Ba...

Страница 169: ...de flatness 0 3 dB 100 kHz 5 Vpp Spurious non harmonics DC to 1 MHz 60 dBc 1 MHz to 5 MHz 55 dBc 5 MHz to 25 MHz 50 dBc Harmonic distortion DC to 5 MHz 50 dBc 5 MHz to 25 MHz 45 dBc Square Pulse Chara...

Страница 170: ...CAN_L CAN_H CAN_L LIN Decoder Supported Specification Ver1 3 Ver2 0 MSO Digital Channels LA2560 LP2560 Digital Channels 16 Sample Rate 500 MSa s Memory Depth 14 Mpts Ch Maximum Input Voltage 20 Vpeak...

Страница 171: ...172 V010918 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

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