LeCroy MS-500 Operator'S Manual Download Page 15 | Manualshive

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MS-500-OM-E Rev C

ISSUED: June, 2009

15

4. Connect the other end of the USB2.0

Cable to the MS-500.

5. Connect the Digital Lead Set to the

other end of the MS-500 (labeled
Digital Inputs, D0

– D17) and fasten

the thumb screws. For MS-500-36
repeat this process with the lead set
labeled D18

– D35.

6. Note that each digital line has a

ground connection for optimal
performance. Two additional ground
leads common to the whole lead set
are also available.

Connect the Digital Leads to the digital
lines you wish to observe (using
accessory micro-grippers, as
necessary or desired).

7. Turn on power to the oscilloscope and

wait for the oscilloscope application to
begin.

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Summary of Contents for MS-500

Page 1: ...L Le eC Cr ro oy y M MS S 5 50 00 0 M Mi ix xe ed d S Si ig gn na al l O Os sc ci il ll lo os sc co op pe e O Op pt ti io on n O Op pe er ra at to or r s s M Ma an nu ua al l J Ju un ne e 2 20 00 09 9 ...

Page 2: ...trademarks of their respective holders Information in this publication supersedes all earlier versions Specifications subject to change without notice Manufactured under an ISO 9000 Registered Quality Management System Visit www lecroy com to view the certificate This electronic product is subject to disposal and recycling regulations that vary by country and region Many countries prohibit the dis...

Page 3: ...nder Test 16 If you are concerned that your digital signals aren t being displayed correctly it is a good idea to check by viewing the digital signals one at a time with an analog channel This can point out errors in your connection or in your logic threshold setup 16 The Complete System Connection 16 Digital Connections 16 Channel Groupings 17 Connector Colors 17 Standard Output Connection 17 Thr...

Page 4: ...30 CHARACTERIZE DIGITAL OR MIXED SIGNAL SYSTEM PERFORMANCE 32 Overview 32 Using Cursors 32 Using Measurement Parameters 33 Measurement Gating 33 Using Statistics and Graphing 34 ISOLATE AND ANALYZE SIGNAL ACTIVITY 35 Capture Long Pre Trigger Time 35 Zooming on Your Waveforms 36 APPENDIX A SPECIFICATIONS 38 CERTIFICATIONS 39 CE Declaration of Conformity 39 EMC Directive 39 Electromagnetic Emissions...

Page 5: ... specified may impair the protection mechanisms Connect and disconnect properly Avoid damage to cables thru excessive bending Do not use in wet damp or explosive atmospheres For indoor use only The MS 500 is intended for indoor use and should be operated in a clean dry environment Do not operate with suspected failures Do not use MS 500 if any part is damaged All maintenance should be referred to ...

Page 6: ...ed in this manual The MS 500 and MS 500 36 are identical except the MS 500 36 standard configuration is for 36 channels The MS 500 36 can be operated in 36 or 18 channel mode for higher performance The MS 500 is configured as an 18 channel instrument and can be upgraded with an additional lead set to support 36 channels In this manual the MS 500 and MS 500 36 are referred to solely as MS 500 Warra...

Page 7: ...be done You are also billed for parts and labor related to the repair work and shipping It is highly recommended to prepay return shipments and use air freight It is highly recommended to prepay return shipments and use air freight LeCroy cannot accept COD Cash On Delivery or Collect Return shipments Technical Support You can get assistance with installation and operation from your customer servic...

Page 8: ...erminates in a 25 mil pin socket Micro gripper probes of various sizes are available as accessories from LeCroy and may be connected to the lead set Qty 2 provided with MS 500 36 The lead set is divided into two groups Each lead within the group is color coded to resistor color coding standard and has an individual ground connection In addition there are two common ground leads available for use Q...

Page 9: ...al The MS 500 Software The standard MS 500 software adds the following capability to the LeCroy oscilloscope software dialogs Analog Digital and Combination Trigger Modes Allows you to choose whether to set an analog trigger condition a digital trigger condition or a pattern consisting of analog and digital signals Digital Trigger Allows a digital trigger condition to be set from within the oscill...

Page 10: ...m Digital Lead Set You may find an additional standard digital lead set convenient if you have more than one device under test and do not wish to disconnect reconnect your cables when using the MS 500 on different DUTs Inputs are labeled D0 D17 MSO DLS 36 16 40 64 cm Digital Lead Set An additional digital lead set This might be convenient to have if you have more than one device under test and do ...

Page 11: ... Includes 10 probes with color coded leads PK400 3 Small gripper probe set for 0 008 inch 0 2 mm pin pitch Includes 10 probes with color coded leads MSO MICTOR Mictor Connection cable 16 40 64 cm 36 channel connector MSO 3M Interconnect cable 16 40 64 cm mates with 3M connectors 2520 6002 and 25205002 ...

Page 12: ... control up to 1 4 V above the threshold The maximum low voltage level is user definable by the hysteresis control up to 1 4 V below the threshold The minimum signal swing is 100 mV The indeterminate range of 50 mV around the threshold voltage level is the level below which the MS 500 will not operate However the MS 500 can support a signal as low as 100 mV only if the input signal s quality is ad...

Page 13: ...oscope tools cursors measurement parameters etc are available for use with the digital signals There are physical connections that must be made to ensure proper operation but the intuitive connection steps are documented here Operation of the WaveRunner or WaveSurfer oscilloscope is not covered in this manual Reference the On Line Help or Getting Started Manual for each oscilloscope for complete i...

Page 14: ... ISSUED June 2009 MS 500 OM E Rev C 2 Connect the USB 2 0 cable attached to the LeCroy Bus cable to any of the side mounted USB ports on the oscilloscope 3 Connect the other end of the LeCroy Bus cable to the MS 500 and fasten the thumb screws ...

Page 15: ... 500 36 repeat this process with the lead set labeled D18 D35 6 Note that each digital line has a ground connection for optimal performance Two additional ground leads common to the whole lead set are also available Connect the Digital Leads to the digital lines you wish to observe using accessory micro grippers as necessary or desired 7 Turn on power to the oscilloscope and wait for the oscillosc...

Page 16: ...in your connection or in your logic threshold setup The Complete System Connection When your system is connected properly it looks like the following photo It is usually easiest to debug digital line connection or display problems by viewing the digital information on an analog channel to confirm its presence then working back through the previous sequence to determine where the connection or disp...

Page 17: ... code making it easier to know the digital line number without having to look at the label Standard Output Connection The standard terminations on the digital lead sets can be pushed directly onto 25 mil pins MicroGrippers or NanoGrippers may also be used to probe the test circuit s pins LeCroy provides a selection of small medium and large grippers for various pitch sizes A more complete selectio...

Page 18: ...t voltages greater than the threshold are converted to 1 Digitized waveform Input signal Threshold level Sample points The threshold levels can be set between 10 0 V and 10 0 V TTL circuits use a threshold voltage level of 1 58 V ECL circuits use a threshold voltage level of 1 39 V Other threshold settings are available in the setup dialog ...

Page 19: ...eshold The minimum signal swing is 100 mV The indeterminate range of 50 mV around the threshold voltage level is the level below which the MS 500 will not operate However the MS 500 can support a signal as low as 100 mV only if the input signal s quality is adequate Basic Oscilloscope Operation For information on using the oscilloscope to view analog signals reference your oscilloscope on line Hel...

Page 20: ...race When the MS 500 is connected to the oscilloscope these dialogs are conveniently accessed with just one or two touches of the screen making adjustment fast and easy Oscilloscope Analog Trigger and MS 500 Digital Trigger A standard WaveRunner or WaveSurfer oscilloscope only allows analog triggering The addition of the MS 500 option adds enhanced triggering the digital channels are now available...

Page 21: ...scope the dialog defaults to the Digital Trigger tab Follow the previous instructions to select either an Analog or Digital trigger 2 Touching Trigger Trigger Setup on the menu bar Then select either an Analog or Digital trigger as required Digital Trace Groups These dialogs provide the ability to define up to 4 different groups of digital signals and associate from 1 36 digital lines with each gr...

Page 22: ...al traces This turns the Digital trace ON and opens the corresponding dialog box 2 If the Digital trace is already ON the trace descriptor label is highlighted and you can configure the setup dialog for that Digital trace 3 The Digital trace descriptor labels contain information about the Digital Sample Rate top line the maximum number of digital samples bottom line and the number of channels in t...

Page 23: ...Digital trace group can consist of 1 36 digital lines You can create up to four Digital trace groups and each digital line can be used in as many or as few groups as desired You can choose to display the group of digital lines as individual digital traces one per line or as a collapsed bus with bus data values calculated on screen within the bus trace Since there are so many digital lines Digital ...

Page 24: ... Digital line position or size However you can touch these controls twice and enter in a unit less value for position and size using the pop up keypad Or you can touch them once and use the front panel adjust knob to change the value Another way is to activate the Digital trace group by touching the trace descriptor label once and then using the front panel channel controls V div and Offset to adj...

Page 25: ...r grid just like you would a Channel These controls function identically for Channels and Digital trace groups Note WaveSurfer does not have the Next Grid capability Digital Logic Threshold Setup Overview The threshold level determines how the input signal is interpreted The threshold level can be set in either the Digital Setup or Digital Trigger Setup menus it is the same setup but is in two dif...

Page 26: ...elow which the MS 500 will not operate However the MS 500 can support a signal as low as 100 mV only if the input signal s quality is adequate Digital Logic Setup The Digital Logic Threshold Setup dialogs are contained in both the Trigger dialogs and in the Digital Setup dialogs It is important to note that a selection made in one location does affect the value in the other Up to four different lo...

Page 27: ...ev C ISSUED June 2009 27 Touch inside the Logic Family selection to view a selection list If you select User Defined then you are able to define the voltage level Otherwise the Voltage Level selection is grayed out ...

Page 28: ...litch Interval and Dropout Other triggers can work as combination triggers incorporating analog and digital triggering capabilities These triggers are Qualified A B Event Trigger and Logic Pattern Trigger Creating a Pattern Trigger There are two different ways to trigger digitally as follows Logic permits creation of a simple or complex analog digital cross pattern trigger condition with a mix of ...

Page 29: ...w what the resulting hex value conversion Touch the arrow buttons to scroll to the next group of eight digital lines Note that you may set a digital line to any value in the Logic trigger setup even if it is not defined as part of a Digital group PLEASE NOTE THE FOLLOWING You may set a digital line to any value in the Logic trigger setup even if it is not defined as part of a Digital group You can...

Page 30: ...p can be defined in the Logic Bus setup dialog A hexadecimal data value can be entered directly or read as a result of the binary setup Digital Logic Threshold Setup The Digital Logic Threshold Setup dialogs are located on both the Trigger and Digital Setup dialogs It is important to note that a selection made in one location does affect the value in the other Four different logic levels can be se...

Page 31: ...ing dialog You can select various Logic Families or select User Defined and define a custom threshold crossing Touch inside the Logic Family selection to view a selection list If you select User Defined voltage level can be defined Otherwise the Voltage Level selection is grayed out ...

Page 32: ...ke they are used on any channel You may want to use cursors for making single shot timing measurements and measurement parameters when you need to accumulate statistical data over many different acquisitions Using Cursors Use horizontal cursors to mark locations on the waveform where the time measurement should be done then read the cursor values to establish the measurement As necessary adjust th...

Page 33: ...rcent of time data is above 50 Frequency Frequency of every cycle in a waveform at the 50 level and positive slope Period Period of every cycle in a waveform at the 50 level and positive slope Width Width measured at the 50 level can be positive or negative slope Measurement Gating Gating is available on each parameter so you can set a measurement window in which the parameter should be activated ...

Page 34: ...s measurements You can turn on Statistics and Histicons separately in the Measure dialog Simply touch the appropriate box to checkmark it and turn it ON or touch it again to turn it OFF In addition some optional LeCroy programs WaveRunner Xi only add capability to produce larger histograms and trends of your measurement parameters If you have this capability then you can access it through the Meas...

Page 35: ...pts on 4 channels or 25 Mpts on 2 channels WaveSurfer Xs oscilloscopes can capture up to 10 Mpts on 4 channels The MS 500 option adds 900 Mpts of digital memory 50 Mpts ch on 18 channels 25 Mpts ch on 36 channels If you wish all this memory can be 100 pre trigger 100 post trigger or something in between 1 Adjust Pre Trigger and Post Trigger time by adjusting the Delay knob on the oscilloscope s fr...

Page 36: ...Time Div knob to change the zoom ratio and the Delay knob to change the position Note When you adjust timebase to zoom the position adjustment is limited by the maximum pre trigger and post trigger delay adjustment available in your oscilloscope Reference your oscilloscope manual for specifications of these delays You can also zoom by drawing a box with a mouse pointer around the area that you wis...

Page 37: ...r Xi WavePro 7 Zi WaveMaster 8 Zi series or the Vertical Horizontal control knobs WaveSurfer Xs Series to adjust the vertical and horizontal scale and position Reference your oscilloscope operator s manual for more information Reference your oscilloscope s On Line Help or Getting Started Manual for complete information on zooming ...

Page 38: ...ups can be defined Each group may use any combination of 18 digital lines Groups can be displayed as individual lines or collapsed into a bus view Triggering User selectable analog i e std oscilloscope trigger or digital trigger Digital Trigger Setup Type Logic Pattern or Logic Bus Logic Setup Up to 36 digital lines with any combination of 0 1 or X don t care In addition a Rising Edge Falling Edge...

Page 39: ... EN 55011 A2 2002 Radiated and conducted emissions Class A Electromagnetic Immunity EN 61000 4 2 2001 Electrostatic Discharge 4 kV contact 8 kV air 4 kV vertical horizontal coupling planes EN 61000 4 3 2006 RF Radiated Electromagnetic Field 3 V m 80 1000 MHz 3 V m 1400 MHz 2 GHz 1 V m 2 GHz 2 7 GHz This is a Class A product In a domestic environment this product may cause radio interference in whi...

Page 40: ...MS 500 Mixed Signal Oscilloscope Option 40 ISSUED June 2009 MS 500 OM E Rev C Max VIN versus Frequency Note Max VIN 30V DC Peak AC 0 5 10 15 20 25 30 35 1 M 10 M 100 M 1000 M Frequency Hz VIN Vrms ...

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