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Fluke PM6681R, PM6685R manual Bus Commands for the Benchtop User, Chapter

Models: PM6685 PM6685R PM6681 PM6681R

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Chapter 2

Bus Commands for the Benchtop User

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Fluke PM6681R, PM6685R manual Bus Commands for the Benchtop User, Chapter

Contents

PM6680B, PM6681, PM6681R, PM6685 & PM6685R Timer/Counter/ AnalyzersProgramming Manual Pendulum Instruments AB - Sweden 6 Using the Subsystems 2 Bus Commands for the Benchtop User7 How to Measure Fast 1 Getting StartedConfigure Function 8 Error Messages 9 Command ReferenceDiagnostics Subsystem AbortCommon Commands Sense Command SubsystemMemory Subsystem Output Subsystem10 Index Chapter Getting StartedSections Finding Your Way Through This ManualIndex Manual Conventions Syntax Specification FormMnemonic Conventions Printable CharactersSetting the GPIB Address Setting Up the Instrument1-4 Setting Up the Instrument ExamplesTesting the Bus Power-onInterface Functions What can I do with the Bus?Listener Function, L4 Service Request, SR1Remote/Local, RL1 Parallel Poll, PP0Chapter Bus Commands for the Benchtop User2-2 Error Code Bus Commands for the Benchtop UserDISPLENABONOFF ROSCSOURINTEXT SYSTPRES or *RST Error CodeTESTCHECONOFF TOTGATONOFF ACQHOFFONOFF ACQHOFFTIMEtime2-4 Error Code CALCMATHSTATONOFF Error CodeCALCAVERTYPEMAXMINSDEVMEAN Selects statistical function CALCAVERSTATONOFF2-6 Error Code PM6680B Error CodeOUTPONOFF OUTPSCALscaling factor SYSTCOMMGPIBADDRAddress ROSCSOURINTEXT2-8 Default settings after *RST Default settings after *RSTSETTING SETTINGChapter Introduction to SCPIReason for SCPI What is SCPI?Compatibility 3-2 What is SCPI?What is SCPI? Management and Maintenance of ProgramsMessage Exchange Control protocol How does SCPI Work in the Instrument?3-4 How does SCPI Work in the Instrument? Deferred Commands Protocol RequirementsSequential and Overlapped Commands Order of ExecutionDefinitions Remote Local ProtocolRemote Operation Local OperationSyntax and Style Program and Response MessagesSyntax of Program Messages Program and Response MessagesPage Syntax of Response Messages Notation Habit in Command SyntaxResponses ExampleMoving down the Command Tree Command Tree3-10 Command Tree ExampleNumeric Data ParametersBoolean Data KeywordsSummary Expression DataOther Data Types ExampleMacros Define Macro CommandMacro Names Data Types within MacrosDeleting Macros How to Execute a MacroEnabling and Disabling Macros EMC Enable Macro CommandGMC? Get Macro Contents Query Retrieve a MacroExample using the above defined macro LMC? Learn Macro QueryIntroduction Status Reporting System3-16 Status Reporting System Detecting Errors in the Queue Error ReportingRead the Error/Event Queue Standardized Error NumbersDevice-specific Error Execution ErrorQuery Error 3-18 Error ReportingReset Strategy Initialization and ResettingWhen to use a Device-clear Command Initialization and ResettingThe *CLS Command The *RST Command3-20 Initialization and Resetting Chapter Programming Examples4-2 Introduction IntroductionGW-Basic for National Instruments PC-IIA Setting up the interfaceGW-Basic for National Instruments PC-IIA, Setting Up the Interface 1. Limit Testing GW-Basic for National Instruments PC-IIA, Setting Up the Interface 3. Frequency Profiling200 ‘ 210 ‘ ==== CAPTURE PROFILE ===== 220 ‘ 230 PRINT “Profiling” GW-Basic for National Instruments PC-IIA, Setting Up the Interface 4. Fast Sampling440 ‘ 450 PRINT “Fetching result” 460 ‘ 470 FOR I=0 TO GW-Basic for National Instruments PC-IIA, Setting Up the Interface 5. Status ReportingProgramming Examples GW-Basic for National Instruments PC-IIA, Setting Up the Interface 6. StatisticsOnly 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-IIA4-14 ‘C’ for National Instruments PC-IIA, Limit Testing 1. Limit Testing‘C’ for National Instruments PC-IIA, Real Data Format 2. REAL Data Format4-16 ‘C’ for National Instruments PC-IIA, Frequency Profiling 3. Frequency Profiling4-17 ‘C’ for National Instruments PC-IIA, Frequency Profiling 4-18 ‘C’ for National Instruments PC-IIA, Fast Sampling 4. Fast Sampling‘C’ for National Instruments PC-IIA, Fast Sampliing Programming Examples4-20 ‘C’ for National Instruments PC-IIA, Statistics 6. Statistics‘C’ for National Instruments PC-IIA, Statistics This side is intentionally left blank 4-22 ‘C’ for National Instruments PC-IIAChapter Instrument ModelChannels InputsIntroduction 5-2 IntroductionGPIB Measurement Function BlockINPut SENSeOrder of Execution Other SubsystemsThe different blocks have the following functions CALibrationCONFigure READ? MEASurement FunctionMEASure? MEASurement Function5-6 MEASurement Function CONFigure INITiateFETCh?Chapter Using the SubsystemsUsing the Subsystems IntroductionMathematics Calculate SubsystemStatistics Limit MonitoringPM6680B, PM6685 Calibration SubsystemPM6681 6-4 Calibration SubsystemConfigure Function Configure FunctionTime Stamp Readout Format Format Subsystem6-6 Format Subsystem PM6685 Input SubsystemsFigure 6-1 Summary of PM6685 input amplifier settings Reset pointsFigure 6-2 Summary of PM6680B / PM6681 input amplifier settings PM6680B/PM66816-8 Input Subsystems Measurement Function CONFigure READ?MEASure? ExampleExample CONFigureINITiateFETCh?Example 6-10 Measurement FunctionScaling Factor Output SubsystemScaling factor6-12 Output Subsystem ResolutionSwitchbox Sense Command SubsystemsSense Command Subsystem PrescalingStatus Reporting Model Status SubsystemUsing the Registers Introduction3210 7654Status Subsystem Using the Queues Clearing/Setting all bitsStatus of the Error Message Queue EAV Using the Status ByteR e g i s t e r S t a t u s B y t eS R Q s ig n aReading and Clearing Status Setting up the Counter to Report StatusUsing the Serial Poll IEEE-488.1 de- fined Using the Common Query *STB?Set up Why Two Types of Registers?Status Condition Registers Summary6-20 Status Subsystem Standard Status RegistersBit 5 weight 32 - Command Error CME Bit 6 weight 64-User Request URQBit 4 weight 16 - Execution Error EXE Bit 3 weight 8 - Device-dependent Error DDEESR? SCPI-defined Status Registers6-22 Status Subsystem Bit 4 weight 14 - Measurement Bit 5 weight 32 - Waiting for TriggerBit 8 weight 256 - Measurement Stopped MSP Bit 6 weight 64 - Wait for Bus Arm- ing WFAStatus Group Questionable Data/SignalBit 10 weight 1024 - Timeout for Bit 8 weight 256 Overflow OFLStatus Subsystem Device-defined Status StructureFigure 6-13 Device-defined status data structures model 15 2 Power-on Status ClearDevice Status Register0 Bit 2 weight 4 - Monitor of Low LimitTrigger/Arming Subsystem The ARM-TRIG Trigger ConfigurationInstrument Action Trigger/Arming SubsystemStructure of an Event-detection Layer Structure of the IDLE and INITIATED StatesForward Traversing an Event-detection Layer 6-28 Trigger/Arming SubsystemTRG Trigger Command TriggeringWhen 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 SubsystemChapter How to Measure FastMeasurement Cycle Synchronization Controller SynchronizationTimeout IntroductionSubsystem Rough TriggerDescription MEASUREMENT StateCONFigure Some Basic CommandsINITiate INITiate CONTinuousMEASMEM1?, MEASMEM? READ?Some Basic Commands MEASure?Individually Synchronized Measurements Basic Measurement MethodREAD? INITCONT and GETBlock Synchronized Measurements General Speed ImprovementsREADARRay? INIT + GET + FETCHARRay?AUTO Time Measurement ResolutionDisplay Control GPIB Data Formatments/second 40000 measureBlock Measurements Real Time CalculationObvious Method Supervising a ProcessOptimal Method 7-10 Supervising a ProcessSpeed Summary Speed SummaryS p e e d 7-12 Speed SummaryI 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 sBlock Synchronized Measurements Speed SummaryARMSTARtLAYerCOUNt 1 and TRIGCOUNt N Speed Improvement ActionsSpeed Calculating the MeasurementWhere Meas.time is the measurement time you use Deadtime is the deadtime between measurements after preset. see pageTimesaving Com Speed SummaryTime Gain in ms SacrificeSingle “Speed Switch” Command for PM6681 Single “Speed Switch” Command for PM6680B/857-16 Speed Summary Chapter Error MessagesError Messages Read the Error/Event Queue8-2 Error Code 0 to ExampleCommand Errors Error Code -105 to -120Error Error DescriptionCommand Errors 8-4 Error Code -121 toError Error DescriptionCommand Errors Error Code -151 to -170Error Error DescriptionCommand Errors 8-6 Error Code -171 toError Error DescriptionExecution errors Error Code -200 to -221Error Error DescriptionExecution errors 8-8 Error Code -222 toError Error DescriptionExecution errors Error Code -241 to -272Error Error DescriptionExecution errors 8-10 Error Code -273 toError Error DescriptionStandardized Device specific errors Error Code -300 to -350Error Error DescriptionQuery errors 8-12 Error Code -400 toError Error DescriptionCNT-8X Device specific errors leading 1 only for PM6681 Error Code 1100 to -1139Error Error DescriptionCNT-8X Device specific errors leading 1 only for PM6681 8-14 Error Code 1150 toError Error DescriptionCNT-8X Device specific errors leading 1 only for PM6681 Error Code 1214 to -1240Error Error DescriptionThis page is intentionally left blank 8-16 Error CodeChapter Command ReferenceThis page is intentionally left blank 9-2 Command ReferenceCommand Reference Abort9-4 Command Reference ABORtType of command Abort MeasurementCommand Reference Arming SubsystemEXTernal2 EXTernal4 IMMediate TIMerf 9-6 Command Reference ARM COUNtNo. of Measurements on each Bus arm MAX gives 65ARM ECOunt ARM DELayDelay after External Start Arming Command ReferenceARM LAYer2 SOURce ARM LAYer29-8 Command Reference Bus Arming OverrideARM SOURce ARM SLOPeCommand Reference External Arming Start SlopeARM STOP ECOunt ARM STOP DELayDelay after External Stop Arming 9-10 Command ReferenceARM STOP SOURce ARM STOP SLOPeCommand Reference External Stop Arming SlopeThis page is intentionally left blank 9-12 Command ReferenceCommand Reference Calculate SubsystemCALCulate CALCulate AVERage STATe CALCulate AVERage COUNtEnable Statistics 9-14 Command ReferenceCALCulate DATA? CALCulate AVERage TYPECommand Reference Statistical TypeCALCulate LIMit CALCulate IMMediateEnable Monitoring of Parameter Limits 9-16 Command ReferenceCALCulate LIMit LOWer CALCulate LIMit FAIL?Command Reference Limit FailCALCulate LIMit UPPer CALCulate LIMit LOWer STATeSet Upper Limit 9-18 Command ReferenceCommand Reference CALCulate LIMit UPPer STATeCheck Against Upper Limit Returned format 1 RST condition9-20 Command Reference CALCulate MATHSelect Mathematical Expression expression is X + K No deviations are allowed from this formEnable Mathematics CALCulate MATH STATeCommand Reference CALCulate MATHEnable Calculation CALCulate STATe9-22 Command Reference ParameterCommand Reference Calibration SubsystemBooleanONCE 9-24 Command Reference CALibration INTerpolator AUTOCalibration of Interpolator Command Reference Configure FunctionSet up Instrument for Measurement Measuring Function, Parameters and Channels are explained on pageConfigure the counter for a single measurement CONFigure Measuring Function9-26 Command Reference Configure the counter for an array of measurements CONFigure ARRay Measuring FunctionCommand Reference Measuring Function, Parameters, and Channels are defined on pageThis page is intentionally left blank 9-28 Command ReferenceCommand Reference Diagnostics SubsystemDIAGnostic 9-30 Command Reference DIAGnosticCALibrationINPut12HYSTeresisInput comparator hysteresis calibration Command Reference Display SubsystemDISPlay 9-32 Command Reference DISPlay ENABleDisplay State Command Reference Fetch FunctionARRay? Array SizeMAX FETCh9-34 Command Reference FETCh?Fetch One Result Command Reference FETCh ARRay?Phase, Duty Cycle,Volt Low resolution Frequency and Period9-36 Command Reference Command Reference Format SubsystemASCii BINary HEXadecimal OCTal FORMat9-38 Command Reference FORMatDISPlayENABled OFF is selected FORMatFORMat SREGister FORMat FIXedCommand Reference signmantissa valueEsignexponent value Where sign = +9-40 Command Reference FORMat TINFormationTimestamping On/Off TimestampingOn/Off Command Reference Initiate SubsystemINITiate INITiate CONTinuous INITiate9-42 Command Reference Initiate MeasurementCommand Reference Input SubsystemsINPUT A INPUT B Not PM6685INPut«12» COUPling INPut«12» ATTenuation9-44 Command Reference AC/DC CouplingINPut HYSTeresis INPut FILTerCommand Reference Low Pass Filter9-46 Command Reference INPut HYSTeresis AUTOAuto Sensitivity INPut«12» LEVel INPut«12» IMPedanceCommand Reference Input Impedance9-48 Command Reference INPut LEVelWaveform compensation Trigger level Vpp * 0.5 Duty factorCommand Reference INPut LEVel AUTOAutotrigger Boolean = 1/ON 0/OFFUsing ONCE instead of AUTO ON improves measuring speed 9-50 Command ReferenceINPut LEVel AUTO Autotrigger INPutAUTO?INPut2COMMon INPut«124» SLOPeCommand Reference Trigger SlopeThis page is intentionally left blank 9-52 Command ReferenceCommand Reference Measurement FunctionSet up the Instrument, Perform Measurement, and Read Data This query gives the same answer as FUNC? in the SENSe subsystemACCumulated? 9-54 Command ReferenceCONTinuous CW? Size,expected value,resolution, @1@3@4@5@6 Command ReferenceSize,expected value,resolution, @1@3@4 Size,exp. value,resol., @1@3@4,@1@3 @49-56 Command Reference MEASure Measuring Function?Make one measurement Command Reference MEASure ARRay Measuring Function?Make an array of measurements array size sets the number of measurements in the arrayMEASureMEMory? MEASureMEMoryN?9-58 Command Reference CommandMEASure«DCYCle/PDUTycycle» EXPLANATIONS OF THE MEASURING FUNCTIONSCommand Reference Positive Duty Cycle9-60 Command Reference MEASure FREQuency?resolution is the required resolution FrequencyCommand Reference MEASure FREQuency BURSt?resolution is the required resolution, e.g., 1 gives 1Hz resolution Burst Carrier Frequency9-62 Command Reference MEASure FREQuency PRF?res. is the required resolution Pulse Repetition FrequencyMEASure FALL TIME? MEASure FREQuency RATio?Command Reference Fall-timeMEASure VOLT MINimum? MEASure VOLT MAXimum?9-64 Command Reference Positive Peak VoltageMEASure PWIDth? MEASure NWIDth?Command Reference Negative Pulse WidthMEASure«NDUTycycle»? MEASure«PDUTycycle/ DCYCle»?9-66 Command Reference Positive duty cycle Duty FactorMEASure PERiod? MEASure PHASe?Phase Command ReferenceMEASure RISE TIME? MEASure VOLT PTPeak?9-68 Command Reference Peak-to-Peak VoltageCommand Reference MEASure TINTerval?Time-Interval @2 means input B @4 means input E Rear panel arming input9-70 Command Reference MEASure TOTalize ACCumulated?Totalize X gated by Y, accumulated The first @«12456» is the channel to measure onCommand Reference PM6680B/81/85CONFigure TOTalize CONTinuousTotalize Manually Normal Program Sequence for Totalizing on AMEASure TOTalize SSTop? MEASure TOTalize GATed?9-72 Command Reference Totalize X gated by YTotalize X-Y During a Preset Time MEASure TOTalize TIMed?Command Reference @1 means input A @2 means input BThis page is intentionally left blank 9-74 Command ReferenceCommand Reference Memory SubsystemRelated Common Commands MEMory FREE SENSe? MEMory DELete MACRo9-76 Command Reference Delete one MacroMEMory NSTates? MEMory FREE MACRo?Command Reference Memory Free for MacrosThis page is intentionally left blank 9-78 Command ReferenceCommand Reference Output SubsystemON OFF OUTPut SCALe OUTPutEnable Analog Out 9-80 Command ReferenceCommand Reference Read FunctionPerform Measurement and Read Data 9-82 Command Reference READ?Read one Result Command Reference READARRay?Read an array of results MAX means that all the results in the output buffer will be fetchedThis page is intentionally left blank 9-84 Command ReferenceSense Subsystem command tree for PM6680B and PM6681 Sense Command SubsystemCommand Reference 9-86 Command Reference Sense Subsystem command tree for PM6685Command Reference ACQuisition APERtureACQuisition APERture Set the Measurement TimeACQuisition HOFF ECOunt ACQuisition HOFF9-88 Command Reference Hold Off On/OffACQuisition HOFF TIME ACQuisition HOFF MODECommand Reference Hold Off ModeACQuisition RESolution ACQuisition RESolutionResolution ResolutionCommand Reference AVERage COUNtAverage Samples Decimal data is a number between 1andFREQuency RANGe LOWer AVERage STATe9-92 Command Reference Min frequency limit DefaultCommand Reference FUNCtionSelect Measuring Function Functions and channels in PM6685Functions and channels in PM6680B and PM6681 9-94 Command ReferenceInput channels PM6680B and PM6681 Command Reference INTernal FORMatInternal Format Number of Results inROSCillator SOURce SDELayBURST/PRF Synchronization Delay 9-96 Command ReferenceVOLTageGATedSTATe TOTalize GATECommand Reference Gate On/OffThis page is intentionally left blank 9-98 Command ReferenceRelated Common Commands Status SubsystemCommand Reference STATusSTATus DREGister0? STATus DREGister0 ENABleEnable Device Status Reporting 9-100 Command ReferenceCommand Reference STATus OPERation CONDition?Weight Read Operation Status Condition RegisterEnable Operation Status Reporting STATus OPERation ENABle9-102 Command Reference WeightSTATusOPERation? STATus PRESetEnable Device Status Reporting Command ReferenceRead Questionable Data/Signal Condition Register STATus QUEStionable CONDition?9-104 Command Reference WeightSTATus QUEStionable? STATus QUEStionable ENABleEnable Questionable Data/Signal Status Reporting Read Questionable Data/Signal Event RegisterThis page is intentionally left blank 9-106 Command ReferenceRelated common command System SubsystemCommand Reference SYSTemSYSTem COMMunicate GPIB ADDRess SYSTem ERRor?9-108 Command Reference Where Error Description String = an error description as ASCii textSYSTem SDETect SYSTem PRESetPreset Signal DetectionSYSTem TIME ELAPsed? SYSTem SETRead or Send Settings 9-110 Command ReferenceSYSTem TOUT TIME SYSTem TOUTTimeout On/Off Timeout, SetSYSTem VERSion? SYSTem UNPRotect9-112 Command Reference Where # means that arbitrary block program data will followRelated common command Test SubsystemCommand Reference TESTTEST SELect TESTCHECkSelect Check signal 9-114 Command ReferenceRelated common command Trigger SubsystemCommand Reference COUNt Numeric value MIN MAX9-116 Command Reference TRIGgerCOUNtNo. of Triggerings on each Ext Arm start The actual number of measurements made on each INIT equals toCommand Reference Common Commands9-118 Command Reference Clear Status CommandExample Define Macro Command Reference9-120 Command Reference Enable MacrosCommand Reference Standard Event Status EnableEvent Status Enable Register 1 = enable Figure 9-3 Bits in the standard event status registerGMC? ∗ESR?9-122 Command Reference Event Status RegisterIDN? LMC?Command Reference Identification queryLearn Device Setup LRN?9-124 Command Reference Operation CompleteOPT? OPC?Command Reference Where Bus option = GPIB Prescaler option =9-126 Command Reference Power-on Status Clear1 is enabled and 0 is disabled Purge MacrosProtected User Data Command ReferenceRecall # means that arbitrary block program data will followReset ∗RMC9-128 Command Reference Delete one MacroSave Command Reference9-130 Command Reference Service Request EnableService Request Enable Register 1 = enable WeightCommand Reference STB?Weight Enabled operation status has occurred9-132 Command Reference TST?Integer = a number indicating errors according to the table below PM6680B ErrorChapter IndexIndex Page CONFigureTOTalizeACCumulated CONFigureFREQuency BURSt PRFARMSEQuence1LAYer1ECOunt · · · · · · · · · · · · · · · · · · · · · · · · · · ·MEASureFREQuencyBURSt CARRier? · · · · · · · · · · · · · · · · · · Page Page VIII Page Page QUE · · · · · · · · · · · · · · · · · 9-130 - 9-131 Query PulseReal ResponsePage XIII