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Fluke PM6681R, PM6685R manual Command Reference, This page is intentionally left blank

Models: PM6685 PM6685R PM6681 PM6681R

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9-98 Command Reference

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Fluke PM6681R, PM6685R manual Command Reference, This page is intentionally left blank

Contents

Timer/Counter/ Analyzers PM6680B, PM6681, PM6681R, PM6685 & PM6685RProgramming Manual Pendulum Instruments AB - Sweden 2 Bus Commands for the Benchtop User 6 Using the Subsystems7 How to Measure Fast 1 Getting Started8 Error Messages 9 Command Reference Configure FunctionDiagnostics Subsystem AbortSense Command Subsystem Common CommandsMemory Subsystem Output Subsystem10 Index Getting Started ChapterFinding Your Way Through This Manual SectionsIndex Syntax Specification Form Manual ConventionsMnemonic Conventions Printable CharactersSetting Up the Instrument Setting the GPIB Address1-4 Setting Up the Instrument ExamplesPower-on Testing the BusInterface Functions What can I do with the Bus?Service Request, SR1 Listener Function, L4Remote/Local, RL1 Parallel Poll, PP0Bus Commands for the Benchtop User ChapterBus Commands for the Benchtop User 2-2 Error CodeError Code DISPLENABONOFF ROSCSOURINTEXT SYSTPRES or *RSTTESTCHECONOFF TOTGATONOFF ACQHOFFONOFF ACQHOFFTIMEtime2-4 Error Code Error Code CALCMATHSTATONOFFCALCAVERTYPEMAXMINSDEVMEAN Selects statistical function CALCAVERSTATONOFF2-6 Error Code Error Code PM6680BOUTPONOFF OUTPSCALscaling factor SYSTCOMMGPIBADDRAddress ROSCSOURINTEXTDefault settings after *RST 2-8 Default settings after *RSTSETTING SETTINGIntroduction to SCPI ChapterWhat is SCPI? Reason for SCPICompatibility 3-2 What is SCPI?Management and Maintenance of Programs What is SCPI?How does SCPI Work in the Instrument? Message Exchange Control protocol3-4 How does SCPI Work in the Instrument? Protocol Requirements Deferred CommandsSequential and Overlapped Commands Order of ExecutionRemote Local Protocol DefinitionsRemote Operation Local OperationProgram and Response Messages Syntax and StyleSyntax of Program Messages Program and Response MessagesPage Notation Habit in Command Syntax Syntax of Response MessagesResponses ExampleCommand Tree Moving down the Command Tree3-10 Command Tree ExampleParameters Numeric DataBoolean Data KeywordsExpression Data SummaryOther Data Types ExampleDefine Macro Command MacrosMacro Names Data Types within MacrosHow to Execute a Macro Deleting MacrosEnabling and Disabling Macros EMC Enable Macro CommandRetrieve a Macro GMC? Get Macro Contents QueryExample using the above defined macro LMC? Learn Macro QueryStatus Reporting System Introduction3-16 Status Reporting System Error Reporting Detecting Errors in the QueueRead the Error/Event Queue Standardized Error NumbersExecution Error Device-specific ErrorQuery Error 3-18 Error ReportingInitialization and Resetting Reset StrategyWhen to use a Device-clear Command Initialization and ResettingThe *RST Command The *CLS Command3-20 Initialization and Resetting Programming Examples ChapterIntroduction 4-2 IntroductionSetting up the interface GW-Basic for National Instruments PC-IIAGW-Basic for National Instruments PC-IIA, Setting Up the Interface 1. Limit Testing 3. Frequency Profiling GW-Basic for National Instruments PC-IIA, Setting Up the Interface200 ‘ 210 ‘ ==== CAPTURE PROFILE ===== 220 ‘ 230 PRINT “Profiling” 4. Fast Sampling GW-Basic for National Instruments PC-IIA, Setting Up the Interface440 ‘ 450 PRINT “Fetching result” 460 ‘ 470 FOR I=0 TO 5. Status Reporting GW-Basic for National Instruments PC-IIA, Setting Up the InterfaceProgramming Examples 6. Statistics GW-Basic for National Instruments PC-IIA, Setting Up the InterfaceOnly for PM6680B and PM6681 430 CALL IBRD CNT%, MSG$ 440 PRINT “MINIMUM =” LEFT$MSG$, IBCNT% ‘C’ for National Instruments PC-IIA ‘C’ for National Instruments PC-IIA1. Limit Testing 4-14 ‘C’ for National Instruments PC-IIA, Limit Testing2. REAL Data Format ‘C’ for National Instruments PC-IIA, Real Data Format3. Frequency Profiling 4-16 ‘C’ for National Instruments PC-IIA, Frequency Profiling4-17 ‘C’ for National Instruments PC-IIA, Frequency Profiling 4. Fast Sampling 4-18 ‘C’ for National Instruments PC-IIA, Fast SamplingProgramming Examples ‘C’ for National Instruments PC-IIA, Fast Sampliing6. Statistics 4-20 ‘C’ for National Instruments PC-IIA, Statistics‘C’ for National Instruments PC-IIA, Statistics 4-22 ‘C’ for National Instruments PC-IIA This side is intentionally left blankInstrument Model ChapterInputs ChannelsIntroduction 5-2 IntroductionMeasurement Function Block GPIBINPut SENSeOther Subsystems Order of ExecutionThe different blocks have the following functions CALibrationMEASurement Function CONFigure READ?MEASure? MEASurement FunctionCONFigure INITiateFETCh? 5-6 MEASurement FunctionUsing the Subsystems ChapterIntroduction Using the SubsystemsCalculate Subsystem MathematicsStatistics Limit MonitoringCalibration Subsystem PM6680B, PM6685PM6681 6-4 Calibration SubsystemConfigure Function Configure FunctionFormat Subsystem Time Stamp Readout Format6-6 Format Subsystem Input Subsystems PM6685Figure 6-1 Summary of PM6685 input amplifier settings Reset pointsPM6680B/PM6681 Figure 6-2 Summary of PM6680B / PM6681 input amplifier settings6-8 Input Subsystems CONFigure READ? Measurement FunctionMEASure? ExampleCONFigureINITiateFETCh? ExampleExample 6-10 Measurement FunctionOutput Subsystem Scaling FactorScaling factorResolution 6-12 Output SubsystemSense Command Subsystems SwitchboxSense Command Subsystem PrescalingStatus Subsystem Status Reporting ModelUsing the Registers Introduction7654 3210Status Subsystem Clearing/Setting all bits Using the QueuesStatus of the Error Message Queue EAV Using the Status ByteS t a t u s B y t e R e g i s t e rS R Q s ig n aSetting up the Counter to Report Status Reading and Clearing StatusUsing the Serial Poll IEEE-488.1 de- fined Using the Common Query *STB?Why Two Types of Registers? Set upStatus Condition Registers SummaryStandard Status Registers 6-20 Status SubsystemBit 6 weight 64-User Request URQ Bit 5 weight 32 - Command Error CMEBit 4 weight 16 - Execution Error EXE Bit 3 weight 8 - Device-dependent Error DDESCPI-defined Status Registers ESR?6-22 Status Subsystem Bit 5 weight 32 - Waiting for Trigger Bit 4 weight 14 - MeasurementBit 8 weight 256 - Measurement Stopped MSP Bit 6 weight 64 - Wait for Bus Arm- ing WFAQuestionable Data/Signal Status GroupBit 10 weight 1024 - Timeout for Bit 8 weight 256 Overflow OFLDevice-defined Status Structure Status SubsystemFigure 6-13 Device-defined status data structures model Power-on Status Clear 15 2Device Status Register0 Bit 2 weight 4 - Monitor of Low LimitThe ARM-TRIG Trigger Configuration Trigger/Arming SubsystemInstrument Action Trigger/Arming SubsystemStructure of the IDLE and INITIATED States Structure of an Event-detection LayerForward Traversing an Event-detection Layer 6-28 Trigger/Arming SubsystemTriggering TRG Trigger CommandWhen to use *TRG and GET Backward Traversing an Event-detection LayerE v e n t d e t e c t i o n l a y e r E v e n t d e t e c t i o n l a y e rE v e n t d e t e c t i o n l oa ny e er a c h a r m 6-30 Trigger/Arming SubsystemHow to Measure Fast ChapterController Synchronization Measurement Cycle SynchronizationTimeout IntroductionRough Trigger SubsystemDescription MEASUREMENT StateSome Basic Commands CONFigureINITiate INITiate CONTinuousREAD? MEASMEM1?, MEASMEM?Some Basic Commands MEASure?Basic Measurement Method Individually Synchronized MeasurementsREAD? INITCONT and GETGeneral Speed Improvements Block Synchronized MeasurementsREADARRay? INIT + GET + FETCHARRay?Time Measurement Resolution AUTODisplay Control GPIB Data Format40000 measure ments/secondBlock Measurements Real Time CalculationSupervising a Process Obvious MethodOptimal Method 7-10 Supervising a ProcessSpeed Summary Speed Summary7-12 Speed Summary S p e e dI n d i v i d u a l l y s y n c . m e a s S p e e d , I n d i v i d u a l l y s y n c . m e a s u r e m e n t sSpeed Summary Block Synchronized MeasurementsARMSTARtLAYerCOUNt 1 and TRIGCOUNt N Speed Improvement ActionsCalculating the Measurement SpeedWhere Meas.time is the measurement time you use Deadtime is the deadtime between measurements after preset. see pageSpeed Summary Timesaving ComTime Gain in ms SacrificeSingle “Speed Switch” Command for PM6680B/85 Single “Speed Switch” Command for PM66817-16 Speed Summary Error Messages ChapterRead the Error/Event Queue Error Messages8-2 Error Code 0 to ExampleError Code -105 to -120 Command ErrorsError Error Description8-4 Error Code -121 to Command ErrorsError Error DescriptionError Code -151 to -170 Command ErrorsError Error Description8-6 Error Code -171 to Command ErrorsError Error DescriptionError Code -200 to -221 Execution errorsError Error Description8-8 Error Code -222 to Execution errorsError Error DescriptionError Code -241 to -272 Execution errorsError Error Description8-10 Error Code -273 to Execution errorsError Error DescriptionError Code -300 to -350 Standardized Device specific errorsError Error Description8-12 Error Code -400 to Query errorsError Error DescriptionError Code 1100 to -1139 CNT-8X Device specific errors leading 1 only for PM6681Error Error Description8-14 Error Code 1150 to CNT-8X Device specific errors leading 1 only for PM6681Error Error DescriptionError Code 1214 to -1240 CNT-8X Device specific errors leading 1 only for PM6681Error Error Description8-16 Error Code This page is intentionally left blankCommand Reference Chapter9-2 Command Reference This page is intentionally left blankAbort Command ReferenceABORt 9-4 Command ReferenceType of command Abort MeasurementArming Subsystem Command ReferenceEXTernal2 EXTernal4 IMMediate TIMerf ARM COUNt 9-6 Command ReferenceNo. of Measurements on each Bus arm MAX gives 65ARM DELay ARM ECOuntDelay after External Start Arming Command ReferenceARM LAYer2 ARM LAYer2 SOURce9-8 Command Reference Bus Arming OverrideARM SLOPe ARM SOURceCommand Reference External Arming Start SlopeARM STOP DELay ARM STOP ECOuntDelay after External Stop Arming 9-10 Command ReferenceARM STOP SLOPe ARM STOP SOURceCommand Reference External Stop Arming Slope9-12 Command Reference This page is intentionally left blankCalculate Subsystem Command ReferenceCALCulate CALCulate AVERage COUNt CALCulate AVERage STATeEnable Statistics 9-14 Command ReferenceCALCulate AVERage TYPE CALCulate DATA?Command Reference Statistical TypeCALCulate IMMediate CALCulate LIMitEnable Monitoring of Parameter Limits 9-16 Command ReferenceCALCulate LIMit FAIL? CALCulate LIMit LOWerCommand Reference Limit FailCALCulate LIMit LOWer STATe CALCulate LIMit UPPerSet Upper Limit 9-18 Command ReferenceCALCulate LIMit UPPer STATe Command ReferenceCheck Against Upper Limit Returned format 1 RST conditionCALCulate MATH 9-20 Command ReferenceSelect Mathematical Expression expression is X + K No deviations are allowed from this formCALCulate MATH STATe Enable MathematicsCommand Reference CALCulate MATHCALCulate STATe Enable Calculation9-22 Command Reference ParameterCalibration Subsystem Command ReferenceBooleanONCE CALibration INTerpolator AUTO 9-24 Command ReferenceCalibration of Interpolator Configure Function Command ReferenceSet up Instrument for Measurement Measuring Function, Parameters and Channels are explained on pageCONFigure Measuring Function Configure the counter for a single measurement9-26 Command Reference CONFigure ARRay Measuring Function Configure the counter for an array of measurementsCommand Reference Measuring Function, Parameters, and Channels are defined on page9-28 Command Reference This page is intentionally left blankDiagnostics Subsystem Command ReferenceDIAGnostic DIAGnosticCALibrationINPut12HYSTeresis 9-30 Command ReferenceInput comparator hysteresis calibration Display Subsystem Command ReferenceDISPlay DISPlay ENABle 9-32 Command ReferenceDisplay State Fetch Function Command ReferenceARRay? Array SizeMAX FETChFETCh? 9-34 Command ReferenceFetch One Result FETCh ARRay? Command ReferencePhase, Duty Cycle,Volt Low resolution Frequency and Period9-36 Command Reference Format Subsystem Command ReferenceASCii BINary HEXadecimal OCTal FORMatFORMat 9-38 Command ReferenceDISPlayENABled OFF is selected FORMatFORMat FIXed FORMat SREGisterCommand Reference signmantissa valueEsignexponent value Where sign = +FORMat TINFormation 9-40 Command ReferenceTimestamping On/Off TimestampingOn/Off Initiate Subsystem Command ReferenceINITiate INITiate INITiate CONTinuous9-42 Command Reference Initiate MeasurementInput Subsystems Command ReferenceINPUT A INPUT B Not PM6685INPut«12» ATTenuation INPut«12» COUPling9-44 Command Reference AC/DC CouplingINPut FILTer INPut HYSTeresisCommand Reference Low Pass FilterINPut HYSTeresis AUTO 9-46 Command ReferenceAuto Sensitivity INPut«12» IMPedance INPut«12» LEVelCommand Reference Input ImpedanceINPut LEVel 9-48 Command ReferenceWaveform compensation Trigger level Vpp * 0.5 Duty factorINPut LEVel AUTO Command ReferenceAutotrigger Boolean = 1/ON 0/OFF9-50 Command Reference Using ONCE instead of AUTO ON improves measuring speedINPut LEVel AUTO Autotrigger INPutAUTO?INPut«124» SLOPe INPut2COMMonCommand Reference Trigger Slope9-52 Command Reference This page is intentionally left blankMeasurement Function Command ReferenceSet up the Instrument, Perform Measurement, and Read Data This query gives the same answer as FUNC? in the SENSe subsystem9-54 Command Reference ACCumulated?CONTinuous Command Reference CW? Size,expected value,resolution, @1@3@4@5@6Size,expected value,resolution, @1@3@4 Size,exp. value,resol., @1@3@4,@1@3 @4MEASure Measuring Function? 9-56 Command ReferenceMake one measurement MEASure ARRay Measuring Function? Command ReferenceMake an array of measurements array size sets the number of measurements in the arrayMEASureMEMoryN? MEASureMEMory?9-58 Command Reference CommandEXPLANATIONS OF THE MEASURING FUNCTIONS MEASure«DCYCle/PDUTycycle»Command Reference Positive Duty CycleMEASure FREQuency? 9-60 Command Referenceresolution is the required resolution FrequencyMEASure FREQuency BURSt? Command Referenceresolution is the required resolution, e.g., 1 gives 1Hz resolution Burst Carrier FrequencyMEASure FREQuency PRF? 9-62 Command Referenceres. is the required resolution Pulse Repetition FrequencyMEASure FREQuency RATio? MEASure FALL TIME?Command Reference Fall-timeMEASure VOLT MAXimum? MEASure VOLT MINimum?9-64 Command Reference Positive Peak VoltageMEASure NWIDth? MEASure PWIDth?Command Reference Negative Pulse WidthMEASure«PDUTycycle/ DCYCle»? MEASure«NDUTycycle»?9-66 Command Reference Positive duty cycle Duty FactorMEASure PHASe? MEASure PERiod?Phase Command ReferenceMEASure VOLT PTPeak? MEASure RISE TIME?9-68 Command Reference Peak-to-Peak VoltageMEASure TINTerval? Command ReferenceTime-Interval @2 means input B @4 means input E Rear panel arming inputMEASure TOTalize ACCumulated? 9-70 Command ReferenceTotalize X gated by Y, accumulated The first @«12456» is the channel to measure onPM6680B/81/85CONFigure TOTalize CONTinuous Command ReferenceTotalize Manually Normal Program Sequence for Totalizing on AMEASure TOTalize GATed? MEASure TOTalize SSTop?9-72 Command Reference Totalize X gated by YMEASure TOTalize TIMed? Totalize X-Y During a Preset TimeCommand Reference @1 means input A @2 means input B9-74 Command Reference This page is intentionally left blankMemory Subsystem Command ReferenceRelated Common Commands MEMory DELete MACRo MEMory FREE SENSe?9-76 Command Reference Delete one MacroMEMory FREE MACRo? MEMory NSTates?Command Reference Memory Free for Macros9-78 Command Reference This page is intentionally left blankOutput Subsystem Command ReferenceON OFF OUTPut OUTPut SCALeEnable Analog Out 9-80 Command ReferenceRead Function Command ReferencePerform Measurement and Read Data READ? 9-82 Command ReferenceRead one Result READARRay? Command ReferenceRead an array of results MAX means that all the results in the output buffer will be fetched9-84 Command Reference This page is intentionally left blankSense Command Subsystem Sense Subsystem command tree for PM6680B and PM6681Command Reference Sense Subsystem command tree for PM6685 9-86 Command ReferenceACQuisition APERture Command ReferenceACQuisition APERture Set the Measurement TimeACQuisition HOFF ACQuisition HOFF ECOunt9-88 Command Reference Hold Off On/OffACQuisition HOFF MODE ACQuisition HOFF TIMECommand Reference Hold Off ModeACQuisition RESolution ACQuisition RESolutionResolution ResolutionAVERage COUNt Command ReferenceAverage Samples Decimal data is a number between 1andAVERage STATe FREQuency RANGe LOWer9-92 Command Reference Min frequency limit DefaultFUNCtion Command ReferenceSelect Measuring Function Functions and channels in PM66859-94 Command Reference Functions and channels in PM6680B and PM6681Input channels PM6680B and PM6681 INTernal FORMat Command ReferenceInternal Format Number of Results inSDELay ROSCillator SOURceBURST/PRF Synchronization Delay 9-96 Command ReferenceTOTalize GATE VOLTageGATedSTATeCommand Reference Gate On/Off9-98 Command Reference This page is intentionally left blankStatus Subsystem Related Common CommandsCommand Reference STATusSTATus DREGister0 ENABle STATus DREGister0?Enable Device Status Reporting 9-100 Command ReferenceSTATus OPERation CONDition? Command ReferenceWeight Read Operation Status Condition RegisterSTATus OPERation ENABle Enable Operation Status Reporting9-102 Command Reference WeightSTATus PRESet STATusOPERation?Enable Device Status Reporting Command ReferenceSTATus QUEStionable CONDition? Read Questionable Data/Signal Condition Register9-104 Command Reference WeightSTATus QUEStionable ENABle STATus QUEStionable?Enable Questionable Data/Signal Status Reporting Read Questionable Data/Signal Event Register9-106 Command Reference This page is intentionally left blankSystem Subsystem Related common commandCommand Reference SYSTemSYSTem ERRor? SYSTem COMMunicate GPIB ADDRess9-108 Command Reference Where Error Description String = an error description as ASCii textSYSTem PRESet SYSTem SDETectPreset Signal DetectionSYSTem SET SYSTem TIME ELAPsed?Read or Send Settings 9-110 Command ReferenceSYSTem TOUT SYSTem TOUT TIMETimeout On/Off Timeout, SetSYSTem UNPRotect SYSTem VERSion?9-112 Command Reference Where # means that arbitrary block program data will followTest Subsystem Related common commandCommand Reference TESTTESTCHECk TEST SELectSelect Check signal 9-114 Command ReferenceTrigger Subsystem Related common commandCommand Reference COUNt Numeric value MIN MAXTRIGgerCOUNt 9-116 Command ReferenceNo. of Triggerings on each Ext Arm start The actual number of measurements made on each INIT equals toCommon Commands Command ReferenceClear Status Command 9-118 Command ReferenceExample Command Reference Define MacroEnable Macros 9-120 Command ReferenceStandard Event Status Enable Command ReferenceEvent Status Enable Register 1 = enable Figure 9-3 Bits in the standard event status register∗ESR? GMC?9-122 Command Reference Event Status RegisterLMC? IDN?Command Reference Identification queryLRN? Learn Device Setup9-124 Command Reference Operation CompleteOPC? OPT?Command Reference Where Bus option = GPIB Prescaler option =Power-on Status Clear 9-126 Command Reference1 is enabled and 0 is disabled Purge MacrosCommand Reference Protected User DataRecall # means that arbitrary block program data will follow∗RMC Reset9-128 Command Reference Delete one MacroCommand Reference SaveService Request Enable 9-130 Command ReferenceService Request Enable Register 1 = enable WeightSTB? Command ReferenceWeight Enabled operation status has occurredTST? 9-132 Command ReferenceInteger = a number indicating errors according to the table below PM6680B ErrorIndex ChapterIndex Page CONFigureFREQuency BURSt PRF CONFigureTOTalizeACCumulatedARMSEQuence1LAYer1ECOunt · · · · · · · · · · · · · · · · · · · · · · · · · · ·MEASureFREQuencyBURSt CARRier? · · · · · · · · · · · · · · · · · · Page Page VIII Page Page Pulse QUE · · · · · · · · · · · · · · · · · 9-130 - 9-131 QueryReal ResponsePage XIII