Manuals / Fluke / Fitness & Sports / Hunting Equipment

Fluke PM3370B Screen Messages, Always Parity if 7 Bits, Autocal Necessary, Auto Setting

Models: PM3370B

1 297

Download 297 pages 53.38 Kb

Page 183

FUNCTION REFERENCE

5 - 63

Key sequence:

TRACE INTENSITY

TEXT INTENSITY

TRACE ROTATION

FOCUS

GRATICULE

ILLUMINATION

Control for trace intensity.

Control for text intensity.

Srewdriver operated control to align the trace with the graticule

Control for focusing of trace, text and cursors.

Control for illumination intensity of measuring graticule

SCREEN MESSAGES

Description:

User messages show up in the center of the CRT viewing area. Messages warn of incorrect settings and error conditions. The following table shows the important messages.

Message	Meaning
	Refer to function ’...’

ALWAYS PARITY IF 7 BITS	Always parity in case of 7 bits.
	Function ’REMOTE CONTROL RS-232’.
AUTOCAL...(approx4 min)	Indicates that autocalibration has started.
	Function ’CALIBRATION AUTOCAL’.
AUTOCAL NECESSARY	Indication that scope is out of its specified
	temperature range and that an
	autocalibration is necessary.
	Function ’CALIBRATION AUTOCAL’.
AUTO SETTING...	Indicates that instrument performs an
	autoset.
	Function AUTOSET’.

Image 183

Fluke PM3370B user manual Screen Messages, Always Parity if 7 Bits, Autocal Necessary, Auto Setting

Contents

Qvwuxphqw Fluke Industrial B.V III Reference ManualReference Manual also contains Main Features Page Or model number Following parts should be included in the shipmentVII Contents More Advanced Trigger Functions HOW to USE More Advanced FunctionsScreen Controls Auto Setup Getting Started -1 3.1 FRONT-PANEL LayoutContents Contents XII CH3 XiiiCH1 CH2XIV MODLine Ieee 488.2 BUS Option CH1 Y-OUTMain TB Gate DTB GateSafety Precautions Operators SafetyIntroduction Symbols Impaired Safety ProtectionMeasuring Earth Mains voltage cord, mains voltage range and fuses Safety InstructionsInstallation Instructions Protective earthingRear View General information Installation of batteriesMemory BACK-UP Batteries Front CoverIeee 488.2/IEC 625 BUS Interface Option Handle Adjustment and Operating Positions of the InstrumentRS-232-C Serial Interface Rack MountingVersions Getting Started FRONT-PANEL LayoutSwitching on the Instrument Screen control area Screen ControlsConnect the probe as shown in figure Auto SetupST5952 Mode Switching Between Analog and Digital Operating Modes Signal Criteria Analog Mode Digital ModeOther Criteria Sions Getting Started Signal Criteria Analog Mode Digital ModeSignal with an ampli Tude of 2 to 6.4 diviReconnect the probe to the Probe Adjust signal for display Vertical SetupAC Input Coupling Getting Started Timebase setup Timebase SetupMagnify Expand Direct trigger setup Direct Trigger SetupSummary PRE-TRIGGER View Menu keys and softkeys More Advanced FeaturesCursor Operation Vertical cursors ’’ or the horizontal cursors ’=’ More Advanced Trigger Functions 10 More advanced trigger setupMore Signal Detail with the Delayed Timebase Standard SetupPress the Status key and Text OFF key at the same time for MTB1.00ms Ch1 Select Clear & Protect Select Clear ALL Trace StoragePress the Recall key Here is how traces are stored in memoryPM3394B 200 MHz Full Four Channel Oscilloscope HOW to USE the InstrumentPM3370B 60 MHz 2 Channel Oscilloscope PM3390B 200 MHz 2 Channel OscilloscopePM3384B 100 MHz Full Four-Channel Oscilloscope PM3380B 100 MHz 2 Channel OscilloscopeFront Panel Layout HOW to USE the Instrument Simultaneously press the Status and Text OFF keys Display and Probe AdjustmentsRecall Standard Setting Display AdjustmentDisplay Layout Menus Text OFF Off TPress the Text OFF key three times Repeat this adjustment for the second probe CAL Signal and Probe AdjustmentAnalog and Digital Modes Autorange attenuator Not available Results in a An amplitude of 2 toDivisions Press the Analog key again Standard SettingAnalog to Digital Mode Switching Press the Autoset key for optimum signal display12HOW to USE the Instrument Trace Storage RUN/STOPPress the RUN/STOP key Vertical Deflection Press the AC DC GND key to obtain ground coupling 14HOW to USE the InstrumentVertical Coupling AC, DC, GND Press the AC DC GND key once for DC input couplingPress the AC DC GND key again to obtain ac input coupling Vertical PositionPress the upper key of the Ampl keys 16HOW to USE the InstrumentAdjust Ampl to 100 mV Vertical AmplitudePress the upper Ampl key once Verticalauto RangeVertical Variable Amplitude Press the Auto Range keyVertical CH1+CH2 18HOW to USE the InstrumentPress the Analog key to switch to the Digital mode Press the Analog key to return to the analog modeVertical Invert Press the ’BW LIMIT’ softkey to turn it off again 20HOW to USE the InstrumentVertical Menu Bandwidth Limiter Press the ’BW LIMIT’ softkey to turn it onConnect the probe again Vertical Probe Range IndicatorRemove the input signal from CH1 Vertical MenuSet the timebase to 200 μs Signal is displayed with four periods on the screenHorizontal Deflection and Triggering Timebase TIME/DIVPress one of the TIME/DIV keys Timebaseauto RangeTimebase Main TB VAR Display of 2 to 6 waveform periodsPress the right Magnify key 24HOW to USE the InstrumentTimebase Magnify Visible by turning the X POS controlTimebasex POS TriggeringTurn the X POS control clockwise 26HOW to USE the Instrument Trigger SourceTriggerslope Turn the Trigger Level control Trigger Trigger LevelTurn the Trigger Position control counterclockwise Press the Analog key to select the digital modeSet the delay to 0 with Trigger Position Trigger Trigger PositionTrigger Single Shot Digital Acquisition and Storage Advanced Vertical Functions Acquire Average 32HOW to USE the InstrumentAcquire Peak Detection Acquire EnvelopePress the Trigger key Trigger ModePress the first softkey to select ’tv’ trigger mode Advanced Horizontal and Trigger FunctionsPress the ’level-pp’ softkey to turn it off Move the indicator T- in and out of the signal range Trigger Mode Triggered36HOW to USE the Instrument Press the TB Mode keyPress the ’STOP on TRIGGER’ softkey to select ’yes’ Trigger Mode Roll38HOW to USE the Instrument Slowly vary the frequency of the sine-wave input signalTrigger Line Press the ’yes’ confirm softkey again Memory FunctionsTrace Storageclear & Protect Press the ’yes’ confirm softkeySelect memory location ’m1’ Press the ’save’ softkey 40HOW to USE the InstrumentTrace Storage Save Trace Storage ClearTrace Storage Copy Trace can be copied from one memory location to anotherPress the ’COPY’ softkey Live trace shifts 42HOW to USE the InstrumentTrace Storage Recall Turn the POSition controlPress the Recall menu key Trace Storage Saving Multiple TracesTrace Storage Recalling Multiple Traces Press the softkey next to ’yes’44HOW to USE the Instrument Cursors FunctionsTime measurements. These can be done in digital Cursors Time Cursors ON/OFF46HOW to USE the Instrument Cursors VoltCursors Amplitude & Time Cursors Readout Press the softkey next to ’READOUT’ΔV, V1, V2, ΔV-ratio for voltage measurements Cursors Readout ΔT-RATIO/PHASE 48HOW to USE the InstrumentAdjust the cursors to a distance of half a signal period Measurement Functions Start with the standard setting.This ensures a correct startPress the second softkey to turn MEAS1 to ’on’ 50HOW to USE the InstrumentMEASUREMEAS1-PKPK Measure MEAS1-RMSMeasure Meas 2-FREQ Measure DelayRemove the Probe Adjust signal from channel Press the first softkey to select ’delay’Measure Cursor Limit 52HOW to USE the InstrumentMeasure TOUCH, Hold & Measure Procedure to set up for TOUCH, Hold and Measure isProcessing Functions Press the softkey next to Math 1 to enter the Math 1 submenu Mathematics Filter56HOW to USE the Instrument Switch Math 2 off againMathematics Multiply Analog Display Defl Display Functions50Hz Digital Display Remove the signal from channelDigital Display Vert Magnify 60HOW to USE the InstrumentScope ’runs’ once and a signal appears on the screen Use the Track control to adjust Vert Magnify toDigital Display Interpolation Press the bottom softkey to select ’dots’Press the bottom softkey to select ’sine’ Screen displays two or four traces now 62HOW to USE the InstrumentConnect the Probe Adjust signal to channels 1 Press Autoset Digital Display WindowsPress the Text OFF button to turn off the menu Delayed TimebaseDelayed Timebase Delayed Timebase DEL’DTB has two basic functionsPress either key of the Del’dTB TIME/DIV keys 64HOW to USE the InstrumentDelayed Timebase Trace SEP Delayed Timebase TriggerStart with the Standard Setup Press the Trig 1 key in the CH1 section a few times Press the softkey to select the TRIG’D modeDelayed Timebase Coupling Delayed Timebase Trigger LevelFirst set the instrument to the standard setting Hard Copy FacilitiesSET Standard Now you are ready to make the hard copy Utility Print Setup9600, 8, N, 3wire, XON/XOFF=ON To set up the layout of the printer hard copyHP7475A, HP7470A, Hpgl = standard HPGL, PM8277 and PM8278 Utility Plot SetupAutoset Standard Autoset and Setup UtilitiesPosition the trace in the bottom of the screen Setups72HOW to USE the Instrument Autoset User ProgrammableTo recall a previously stored setting This setup can be saved in memory as followsAutocal Setup Text LabelSetup Recall a Sequence 74HOW to USE the InstrumentOther Features Function Reference Function ReferenceDescription Acquisition LengthKey sequence Memory ExpansionToggle key to switch the inverted display of CH2 CH4 on/off ADD Invert SubtractINV ADD Mathematics Mathematical descriptionResult = S1 + S2 CPL QW Command to query a waveform Refer to for full details Remote commandsALT/CHOP Analog Mode Toggle softkey to select ALTernate or CHOPped modeAlternate and chopped modes are shown in the figures below Auto Range Toggle key to switch between analog mode and digital modeAuto Range AnalogKey to start the autoset CPL AS Command for Auto Setup Refer to for full detailsAutoset AutosetAutoset Sequence Trig Autoset UserprogUtilityautoset VertAutoset CPL AS Command for an Auto Setup Refer to for full detailsControl to select the Average factor Key to switch the Average function on or offEffect of bandwidth limiter CPL CL Command for Calibrate Refer to for full details Calibration AutocalCAL CHANNEL/TRACE Selection Confidence Check Power on OFFCursors More than one channel is on, Desired channel for voltage CursorsVolt cursors are used for Voltage measurements. WhenTrack Function Reference Cursors BothMeasured Cursors Readout TimeFunction Reference Cursors Readout Volt Trigger position DelayFull description is given under Delayed Timebase Event delayCH1 Slope Delay Measurement Delayed Timebase DEL’D TB Delay Function of ’mtb+dtb’, Delay and Trace SEPToggle switch to switch between analog mode and digital mode Digital ModeInterpolation Display MenuLines are drawn between sample points Display Text Amplitude variation AM Variation FM or jitter Display of signal withExternal Trigger 2 Channels Models only Trig ViewAmpl Filter Glitch Trigger Hold OFF Using Hold OFF to suppress double triggering Control to adjust Main TB hold off timeHold OFF Function of key pair AMPL/VAR Input Attenuator Manual + AutomaticRange Toggle key to switch the Auto Range function on/offInput Coupling AutoAC/DC Toggle key to switch a channel on/offInput Impedance 200 MHZ Models only AC/DC/GNDLogic Trigger 4 Channels Models only StatePattern Refer to Glitch Trigger function To adjust t2Ift2 GlitchFunction of the timebase magnifier and X POS control Magnify HorizontalControl to select the vertical magnification Magnify VerticalLeft side decreases the Magnify factor Function of vertical magnifier and Y POS controlVAR ns Main Timebase Manual + Automatic46FUNCTION Reference Function of key pair TIME/DIV VARMeasure Menu MathematicsFollowing measurements are available VoltPositive and negative, preshoot positive and negative Multiply Mathematics Result = S1 x S2 Peak Detection POS Toggle key to switch the peak detection on/offPower Supply Toggle key to switch the oscilloscope on/offPrinting and Plotting Interface Printer or plotterLayout Real-time clock Toggle softkey to plot trace information Probe Utilities Status Remote Control IeeeKey to switch from remote to local Control to select the Ieee device addressRemote Control RS-232 ParityOdd Even LL Inhibits front key Status Local Refer to for full details RUN/STOP Trace Rotation Rise time measurement using the graticuleScreen Controls and Graticule Screen controls and functionAutocal Necessary Auto SettingScreen Messages Always Parity if 7 BitsNo Average in Roll Mode Auto Setting UserprogramCalibration Error KEY Inactive When StoppedNo Event Delay in TV Mode No DTB in Roll ModeNo Envelope in Roll Mode No Event DELAY, Dual SlopeTIME/DIV Adjusted Setup EmptySetup Protected STD Setup = Recall onlySetups Track Setups Sequence Standard Setup / Front Panel Reset Softkey to recall ’std’ settingsStd memory selection Status Screen Subtract mode is available in the digital mode of operation Subtract MathematicsResult = S1 S2 Control to select the Subtract process Text OFF Timebase ModesAcquired waveform is stored in a different memory location Flows ‘through’ the screen from left to right. When Roll isSelected, the TB Mode menu provides a ‘STOP on TRIGGER’ TRIGGER’ is set to ‘on’, the trace stops when the scope isTime Measurements Function Reference Time TOUCH, Hold & Measure Mode Trigger Coupling Ac dc lf-rej Trigger hf-rej Trigger DEL’D TB DelayToggle softkey to switch DEL’D TB ’on’ Trigger Level control ranges in level-pp on and off Trigger Main TB Edge Function of Trigger Level and slopeTrig Toggle key to select CH1, CH.. or Exttrig as Main TB Slope to change between positive and negative triggerTV Trigger Key sequence Usertext Utility Maintenance Util Menu Utility Screen & Sound Sn = nth sample j=n=k Volt Measurements× S n Oversh Overshoot 100%Falling presh = Limit Deflection X-DEFL, X vs Y Toggle softkey to switch X vs Y on CPL Protocol CommandsProgram data separator AcknowledgeResponses Data SeparatorsProgram frame Example Program Frame4THE CPL Protocol Commands in Functional OrderCommands in Alphabetical Order Name Command ReferenceAcknowledge Command Response8THE CPL Protocol ARM TriggerCalibrate 10THE CPL Protocol Default SetupGO to Local 12THE CPL Protocol GO to RemoteIdentity string IdentificationExample response Local Lockout HWL Program Communication16THE CPL Protocol XonxoffApprox .5 sec after an acknowledge = 0 is received, Pds Count Node Program Setup18THE CPL Protocol Count NodeProgram Text PdsChar Char Character Description Examples of user text Pds Wavenr Sample checksum Admin Pds CountProgram Waveform 22THE CPL ProtocolAction by Parameter Type Example Oscilloscope Notes Example LSB = Sample and &HFF Example programNumerical values of an infinite number of measurement Results is returned cancelling is possible by sending AsciiQuery Measurement 26THE CPL ProtocolValue Parameter specified Value,value T2-trgExample of a single measurement MeasvaluePoint notation, e.g E-09 Or HzNull Query PrintExample Written in Quick Basic 30THE CPL ProtocolQuery Setup Count Number of strings to follow NodeOscilloscope, e.g =10 hex Example response PM3394 Complete setup queryUser text is returned Query TextPrinted, e.g Query Waveform Admin Count Sample ChecksumParameter Type Example Wavenr The oscilloscope waveform sourceInput #1,NM$ Display SettingsSymbol Parameter Value Type Interpretation of waveform dataSensitivity DefinitionsFormula’s Sn = Yz + Yn * Yr * YuTime base = 50 * Xr * Xu/div Time baseReset Instrument Recall Setup Pds Setup reg42THE CPL Protocol Represents the setup register number, ranging from 1 Save Setup44THE CPL Protocol StatusExample status 46THE CPL Protocol Trigger AcquisitionAcknowledge Ok, normal situation Syntax errorExecution error Synchronization errorStatus Example program to investigate status Main Timebase settings SetupCommon vertical settings Common horizontal settingsMeasurement 1 settings Measurement 2 settings Hex Dec Meaning Events Trigger Delay settingsCursor settings Cursor autosearch settingsNnllxxxxxx.......xx Acquire Menu Structure Appendix a Acquire menu structureDigital Appendix B Cursors menu structureCursors menu structure Display Menu Structure Appendix C Display menu structuredMathematics Menu Structure Appendix D Mathematics menu structureMeasure Menu Structure Appendix F DTB DEL’D TB menu structure SAVE/RECALL Menu Structure Setups Menu Structure Appendix H Setups menu structureTB Mode Menu Structure Appendix J TB Mode menu structureDiv T Appendix K Trigger menu structureTrigger menu structure Appendix L Utility menu structure Utility menu structure Vertical Menu Structure Vert Menu Vertical BW LimitOn off 50Ω CH1 50Ω CH2 50Ω CH3 50Ω CH4 DTR RS-232 Cable ConfigurationsRTS CTSCable to controller with hardware handshake Cable to printer/plotter with hardware handshakeChannels Simultaneously Sampled AT 100 MS/s Appendix PChannel Acquisitions Expansion and Interpolation Function Index Function Index see ChapterFunction Index Index Measure Menu Time Measuremens Volt Measurements TOUCH, Hold & Measure ModeDelayed Timebase Trigger DEL’D TB Display and Probe Adjustment Display Functions Display MenuGlitch Trigger GND Input Coupling Printing and Plotting Remote Control IeeeInstallation Instructions Appendix N Util MaintenanceMemory BACK-UP Batteries CHANNEL/TRACE Selection SetupsPrinting and Plotting Remote Control RS-232 Memory FunctionsTimebase Modes Autoset and Setup Utilities Setups Setups SequenceTimebase Modes Delayed Timebase Screen Messages Utility Screen & SoundDisplay Menu Deflection 8FUNCTION IndexAdvanced Vertical Functions Cursors Readout Measure Menu Volt Measurements