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Fluke PM6681R, PM6685R manual Initiate Subsystem, Command Reference, INITiate

Models: PM6685 PM6685R PM6681 PM6681R

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Command Reference 9-41

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Fluke PM6681R, PM6685R manual Initiate Subsystem, Command Reference, INITiate

Contents

Timer/Counter/ Analyzers PM6680B, PM6681, PM6681R, PM6685 & PM6685RProgramming Manual Pendulum Instruments AB - Sweden 1 Getting Started 2 Bus Commands for the Benchtop User6 Using the Subsystems 7 How to Measure FastAbort 8 Error Messages 9 Command ReferenceConfigure Function Diagnostics SubsystemOutput Subsystem Sense Command SubsystemCommon Commands Memory Subsystem10 Index Chapter Getting StartedFinding Your Way Through This Manual SectionsIndex Printable Characters Syntax Specification FormManual Conventions Mnemonic ConventionsExamples Setting Up the InstrumentSetting the GPIB Address 1-4 Setting Up the InstrumentWhat can I do with the Bus? Power-onTesting the Bus Interface FunctionsParallel Poll, PP0 Service Request, SR1Listener Function, L4 Remote/Local, RL1Chapter Bus Commands for the Benchtop User2-2 Error Code Bus Commands for the Benchtop UserACQHOFFONOFF ACQHOFFTIMEtime Error CodeDISPLENABONOFF ROSCSOURINTEXT SYSTPRES or *RST TESTCHECONOFF TOTGATONOFF2-4 Error Code CALCAVERSTATONOFF Error CodeCALCMATHSTATONOFF CALCAVERTYPEMAXMINSDEVMEAN Selects statistical function2-6 Error Code ROSCSOURINTEXT Error CodePM6680B OUTPONOFF OUTPSCALscaling factor SYSTCOMMGPIBADDRAddressSETTING Default settings after *RST2-8 Default settings after *RST SETTINGChapter Introduction to SCPI3-2 What is SCPI? What is SCPI?Reason for SCPI CompatibilityWhat is SCPI? Management and Maintenance of ProgramsHow does SCPI Work in the Instrument? Message Exchange Control protocol3-4 How does SCPI Work in the Instrument? Order of Execution Protocol RequirementsDeferred Commands Sequential and Overlapped CommandsLocal Operation Remote Local ProtocolDefinitions Remote OperationProgram and Response Messages Program and Response MessagesSyntax and Style Syntax of Program MessagesPage Example Notation Habit in Command SyntaxSyntax of Response Messages ResponsesExample Command TreeMoving down the Command Tree 3-10 Command TreeKeywords ParametersNumeric Data Boolean DataExample Expression DataSummary Other Data TypesData Types within Macros Define Macro CommandMacros Macro NamesEMC Enable Macro Command How to Execute a MacroDeleting Macros Enabling and Disabling MacrosLMC? Learn Macro Query Retrieve a MacroGMC? Get Macro Contents Query Example using the above defined macroStatus Reporting System Introduction3-16 Status Reporting System Standardized Error Numbers Error ReportingDetecting Errors in the Queue Read the Error/Event Queue3-18 Error Reporting Execution ErrorDevice-specific Error Query ErrorInitialization and Resetting Initialization and ResettingReset Strategy When to use a Device-clear CommandThe *RST Command The *CLS Command3-20 Initialization and Resetting Chapter Programming Examples4-2 Introduction IntroductionSetting up the interface GW-Basic for National Instruments PC-IIAGW-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 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-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 Model5-2 Introduction InputsChannels IntroductionSENSe Measurement Function BlockGPIB INPutCALibration Other SubsystemsOrder of Execution The different blocks have the following functionsMEASurement Function MEASurement FunctionCONFigure READ? MEASure?5-6 MEASurement Function CONFigure INITiateFETCh?Chapter Using the SubsystemsUsing the Subsystems IntroductionLimit Monitoring Calculate SubsystemMathematics Statistics6-4 Calibration Subsystem Calibration SubsystemPM6680B, PM6685 PM6681Configure Function Configure FunctionFormat Subsystem Time Stamp Readout Format6-6 Format Subsystem Reset points Input SubsystemsPM6685 Figure 6-1 Summary of PM6685 input amplifier settingsPM6680B/PM6681 Figure 6-2 Summary of PM6680B / PM6681 input amplifier settings6-8 Input Subsystems Example CONFigure READ?Measurement Function MEASure?6-10 Measurement Function CONFigureINITiateFETCh?Example Examplefactor Output SubsystemScaling Factor Scaling6-12 Output Subsystem ResolutionPrescaling Sense Command SubsystemsSwitchbox Sense Command SubsystemIntroduction Status SubsystemStatus Reporting Model Using the Registers7654 3210Status Subsystem Using the Status Byte Clearing/Setting all bitsUsing the Queues Status of the Error Message Queue EAVs ig n a S t a t u s B y t eR e g i s t e r S R QUsing the Common Query *STB? Setting up the Counter to Report StatusReading and Clearing Status Using the Serial Poll IEEE-488.1 de- finedSummary Why Two Types of Registers?Set up Status Condition Registers6-20 Status Subsystem Standard Status RegistersBit 3 weight 8 - Device-dependent Error DDE Bit 6 weight 64-User Request URQBit 5 weight 32 - Command Error CME Bit 4 weight 16 - Execution Error EXESCPI-defined Status Registers ESR?6-22 Status Subsystem Bit 6 weight 64 - Wait for Bus Arm- ing WFA Bit 5 weight 32 - Waiting for TriggerBit 4 weight 14 - Measurement Bit 8 weight 256 - Measurement Stopped MSPBit 8 weight 256 Overflow OFL Questionable Data/SignalStatus Group Bit 10 weight 1024 - Timeout forDevice-defined Status Structure Status SubsystemFigure 6-13 Device-defined status data structures model Bit 2 weight 4 - Monitor of Low Limit Power-on Status Clear15 2 Device Status Register0Trigger/Arming Subsystem The ARM-TRIG Trigger ConfigurationTrigger/Arming Subsystem Instrument Action6-28 Trigger/Arming Subsystem Structure of the IDLE and INITIATED StatesStructure of an Event-detection Layer Forward Traversing an Event-detection LayerBackward Traversing an Event-detection Layer TriggeringTRG Trigger Command When to use *TRG and GET6-30 Trigger/Arming Subsystem 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 a y e r E v e n t d e t e c t i o n l oa ny e er a c h a r mChapter How to Measure FastIntroduction Controller SynchronizationMeasurement Cycle Synchronization TimeoutMEASUREMENT State Rough TriggerSubsystem DescriptionINITiate CONTinuous Some Basic CommandsCONFigure INITiateMEASure? READ?MEASMEM1?, MEASMEM? Some Basic CommandsINITCONT and GET Basic Measurement MethodIndividually Synchronized Measurements READ?INIT + GET + FETCHARRay? General Speed ImprovementsBlock Synchronized Measurements READARRay?GPIB Data Format Time Measurement ResolutionAUTO Display ControlReal Time Calculation 40000 measurements/second Block Measurements7-10 Supervising a Process Supervising a ProcessObvious Method Optimal MethodSpeed Summary Speed SummaryS 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 s 7-12 Speed SummaryS p e e d I n d i v i d u a l l y s y n c . m e a sSpeed Improvement Actions Speed SummaryBlock Synchronized Measurements ARMSTARtLAYerCOUNt 1 and TRIGCOUNt NDeadtime is the deadtime between measurements after preset. see page Calculating the MeasurementSpeed Where Meas.time is the measurement time you useSacrifice Speed SummaryTimesaving Com Time Gain in msSingle “Speed Switch” Command for PM6680B/85 Single “Speed Switch” Command for PM66817-16 Speed Summary Chapter Error MessagesExample Read the Error/Event QueueError Messages 8-2 Error Code 0 toError Description Error Code -105 to -120Command Errors ErrorError Description 8-4 Error Code -121 toCommand Errors ErrorError Description Error Code -151 to -170Command Errors ErrorError Description 8-6 Error Code -171 toCommand Errors ErrorError Description Error Code -200 to -221Execution errors ErrorError Description 8-8 Error Code -222 toExecution errors ErrorError Description Error Code -241 to -272Execution errors ErrorError Description 8-10 Error Code -273 toExecution errors ErrorError Description Error Code -300 to -350Standardized Device specific errors ErrorError Description 8-12 Error Code -400 toQuery errors ErrorError Description Error Code 1100 to -1139CNT-8X Device specific errors leading 1 only for PM6681 ErrorError Description 8-14 Error Code 1150 toCNT-8X Device specific errors leading 1 only for PM6681 ErrorError Description Error Code 1214 to -1240CNT-8X Device specific errors leading 1 only for PM6681 ErrorThis page is intentionally left blank 8-16 Error CodeChapter Command ReferenceThis page is intentionally left blank 9-2 Command ReferenceCommand Reference AbortAbort Measurement ABORt9-4 Command Reference Type of commandArming Subsystem Command ReferenceEXTernal2 EXTernal4 IMMediate TIMerf MAX gives 65 ARM COUNt9-6 Command Reference No. of Measurements on each Bus armCommand Reference ARM DELayARM ECOunt Delay after External Start ArmingBus Arming Override ARM LAYer2ARM LAYer2 SOURce 9-8 Command ReferenceExternal Arming Start Slope ARM SLOPeARM SOURce Command Reference9-10 Command Reference ARM STOP DELayARM STOP ECOunt Delay after External Stop ArmingExternal Stop Arming Slope ARM STOP SLOPeARM STOP SOURce Command ReferenceThis page is intentionally left blank 9-12 Command ReferenceCalculate Subsystem Command ReferenceCALCulate 9-14 Command Reference CALCulate AVERage COUNtCALCulate AVERage STATe Enable StatisticsStatistical Type CALCulate AVERage TYPECALCulate DATA? Command Reference9-16 Command Reference CALCulate IMMediateCALCulate LIMit Enable Monitoring of Parameter LimitsLimit Fail CALCulate LIMit FAIL?CALCulate LIMit LOWer Command Reference9-18 Command Reference CALCulate LIMit LOWer STATeCALCulate LIMit UPPer Set Upper LimitReturned format 1 RST condition CALCulate LIMit UPPer STATeCommand Reference Check Against Upper Limitexpression is X + K No deviations are allowed from this form CALCulate MATH9-20 Command Reference Select Mathematical ExpressionCALCulate MATH CALCulate MATH STATeEnable Mathematics Command ReferenceParameter CALCulate STATeEnable Calculation 9-22 Command ReferenceCalibration Subsystem Command ReferenceBooleanONCE CALibration INTerpolator AUTO 9-24 Command ReferenceCalibration of Interpolator Measuring Function, Parameters and Channels are explained on page Configure FunctionCommand Reference Set up Instrument for MeasurementCONFigure Measuring Function Configure the counter for a single measurement9-26 Command Reference Measuring Function, Parameters, and Channels are defined on page CONFigure ARRay Measuring FunctionConfigure the counter for an array of measurements Command ReferenceThis page is intentionally left blank 9-28 Command ReferenceDiagnostics Subsystem Command ReferenceDIAGnostic DIAGnosticCALibrationINPut12HYSTeresis 9-30 Command ReferenceInput comparator hysteresis calibration Display Subsystem Command ReferenceDISPlay DISPlay ENABle 9-32 Command ReferenceDisplay State FETCh Fetch FunctionCommand Reference ARRay? Array SizeMAXFETCh? 9-34 Command ReferenceFetch One Result Low resolution Frequency and Period FETCh ARRay?Command Reference Phase, Duty Cycle,Volt9-36 Command Reference FORMat Format SubsystemCommand Reference ASCii BINary HEXadecimal OCTalFORMat FORMat9-38 Command Reference DISPlayENABled OFF is selectedsignmantissa valueEsignexponent value Where sign = + FORMat FIXedFORMat SREGister Command ReferenceFORMat TINFormation 9-40 Command ReferenceTimestamping On/Off TimestampingOn/Off Initiate Subsystem Command ReferenceINITiate Initiate Measurement INITiateINITiate CONTinuous 9-42 Command ReferenceINPUT B Not PM6685 Input SubsystemsCommand Reference INPUT AAC/DC Coupling INPut«12» ATTenuationINPut«12» COUPling 9-44 Command ReferenceLow Pass Filter INPut FILTerINPut HYSTeresis Command ReferenceINPut HYSTeresis AUTO 9-46 Command ReferenceAuto Sensitivity Input Impedance INPut«12» IMPedanceINPut«12» LEVel Command ReferenceTrigger level Vpp * 0.5 Duty factor INPut LEVel9-48 Command Reference Waveform compensationBoolean = 1/ON 0/OFF INPut LEVel AUTOCommand Reference AutotriggerAutotrigger INPutAUTO? 9-50 Command ReferenceUsing ONCE instead of AUTO ON improves measuring speed INPut LEVel AUTOTrigger Slope INPut«124» SLOPeINPut2COMMon Command ReferenceThis page is intentionally left blank 9-52 Command ReferenceThis query gives the same answer as FUNC? in the SENSe subsystem Measurement FunctionCommand Reference Set up the Instrument, Perform Measurement, and Read Data9-54 Command Reference ACCumulated?CONTinuous Size,exp. value,resol., @1@3@4,@1@3 @4 Command ReferenceCW? Size,expected value,resolution, @1@3@4@5@6 Size,expected value,resolution, @1@3@4MEASure Measuring Function? 9-56 Command ReferenceMake one measurement array size sets the number of measurements in the array MEASure ARRay Measuring Function?Command Reference Make an array of measurementsCommand MEASureMEMoryN?MEASureMEMory? 9-58 Command ReferencePositive Duty Cycle EXPLANATIONS OF THE MEASURING FUNCTIONSMEASure«DCYCle/PDUTycycle» Command ReferenceFrequency MEASure FREQuency?9-60 Command Reference resolution is the required resolutionBurst Carrier Frequency MEASure FREQuency BURSt?Command Reference resolution is the required resolution, e.g., 1 gives 1Hz resolutionPulse Repetition Frequency MEASure FREQuency PRF?9-62 Command Reference res. is the required resolutionFall-time MEASure FREQuency RATio?MEASure FALL TIME? Command ReferencePositive Peak Voltage MEASure VOLT MAXimum?MEASure VOLT MINimum? 9-64 Command ReferenceNegative Pulse Width MEASure NWIDth?MEASure PWIDth? Command ReferencePositive duty cycle Duty Factor MEASure«PDUTycycle/ DCYCle»?MEASure«NDUTycycle»? 9-66 Command ReferenceCommand Reference MEASure PHASe?MEASure PERiod? PhasePeak-to-Peak Voltage MEASure VOLT PTPeak?MEASure RISE TIME? 9-68 Command Reference@2 means input B @4 means input E Rear panel arming input MEASure TINTerval?Command Reference Time-IntervalThe first @«12456» is the channel to measure on MEASure TOTalize ACCumulated?9-70 Command Reference Totalize X gated by Y, accumulatedNormal Program Sequence for Totalizing on A PM6680B/81/85CONFigure TOTalize CONTinuousCommand Reference Totalize ManuallyTotalize X gated by Y MEASure TOTalize GATed?MEASure TOTalize SSTop? 9-72 Command Reference@1 means input A @2 means input B MEASure TOTalize TIMed?Totalize X-Y During a Preset Time Command ReferenceThis page is intentionally left blank 9-74 Command ReferenceMemory Subsystem Command ReferenceRelated Common Commands Delete one Macro MEMory DELete MACRoMEMory FREE SENSe? 9-76 Command ReferenceMemory Free for Macros MEMory FREE MACRo?MEMory NSTates? Command ReferenceThis page is intentionally left blank 9-78 Command ReferenceOutput Subsystem Command ReferenceON OFF 9-80 Command Reference OUTPutOUTPut SCALe Enable Analog OutRead Function Command ReferencePerform Measurement and Read Data READ? 9-82 Command ReferenceRead one Result MAX means that all the results in the output buffer will be fetched READARRay?Command Reference Read an array of resultsThis page is intentionally left blank 9-84 Command ReferenceSense Command Subsystem Sense Subsystem command tree for PM6680B and PM6681Command Reference 9-86 Command Reference Sense Subsystem command tree for PM6685Set the Measurement Time ACQuisition APERtureCommand Reference ACQuisition APERtureHold Off On/Off ACQuisition HOFFACQuisition HOFF ECOunt 9-88 Command ReferenceHold Off Mode ACQuisition HOFF MODEACQuisition HOFF TIME Command ReferenceResolution ACQuisition RESolutionACQuisition RESolution ResolutionDecimal data is a number between 1and AVERage COUNtCommand Reference Average SamplesMin frequency limit Default AVERage STATeFREQuency RANGe LOWer 9-92 Command ReferenceFunctions and channels in PM6685 FUNCtionCommand Reference Select Measuring Function9-94 Command Reference Functions and channels in PM6680B and PM6681Input channels PM6680B and PM6681 Number of Results in INTernal FORMatCommand Reference Internal Format9-96 Command Reference SDELayROSCillator SOURce BURST/PRF Synchronization DelayGate On/Off TOTalize GATEVOLTageGATedSTATe Command ReferenceThis page is intentionally left blank 9-98 Command ReferenceSTATus Status SubsystemRelated Common Commands Command Reference9-100 Command Reference STATus DREGister0 ENABleSTATus DREGister0? Enable Device Status ReportingRead Operation Status Condition Register STATus OPERation CONDition?Command Reference WeightWeight STATus OPERation ENABleEnable Operation Status Reporting 9-102 Command ReferenceCommand Reference STATus PRESetSTATusOPERation? Enable Device Status ReportingWeight STATus QUEStionable CONDition?Read Questionable Data/Signal Condition Register 9-104 Command ReferenceRead Questionable Data/Signal Event Register STATus QUEStionable ENABleSTATus QUEStionable? Enable Questionable Data/Signal Status ReportingThis page is intentionally left blank 9-106 Command ReferenceSYSTem System SubsystemRelated common command Command ReferenceWhere Error Description String = an error description as ASCii text SYSTem ERRor?SYSTem COMMunicate GPIB ADDRess 9-108 Command ReferenceSignal Detection SYSTem PRESetSYSTem SDETect Preset9-110 Command Reference SYSTem SETSYSTem TIME ELAPsed? Read or Send SettingsTimeout, Set SYSTem TOUTSYSTem TOUT TIME Timeout On/OffWhere # means that arbitrary block program data will follow SYSTem UNPRotectSYSTem VERSion? 9-112 Command ReferenceTEST Test SubsystemRelated common command Command Reference9-114 Command Reference TESTCHECkTEST SELect Select Check signalCOUNt Numeric value MIN MAX Trigger SubsystemRelated common command Command ReferenceThe actual number of measurements made on each INIT equals to TRIGgerCOUNt9-116 Command Reference No. of Triggerings on each Ext Arm startCommand Reference Common CommandsClear Status Command 9-118 Command ReferenceExample Define Macro Command Reference9-120 Command Reference Enable MacrosFigure 9-3 Bits in the standard event status register Standard Event Status EnableCommand Reference Event Status Enable Register 1 = enableEvent Status Register ∗ESR?GMC? 9-122 Command ReferenceIdentification query LMC?IDN? Command ReferenceOperation Complete LRN?Learn Device Setup 9-124 Command ReferenceWhere Bus option = GPIB Prescaler option = OPC?OPT? Command ReferencePurge Macros Power-on Status Clear9-126 Command Reference 1 is enabled and 0 is disabled# means that arbitrary block program data will follow Command ReferenceProtected User Data RecallDelete one Macro ∗RMCReset 9-128 Command ReferenceSave Command ReferenceWeight Service Request Enable9-130 Command Reference Service Request Enable Register 1 = enableEnabled operation status has occurred STB?Command Reference WeightPM6680B Error TST?9-132 Command Reference Integer = a number indicating errors according to the table belowChapter IndexIndex Page · · · · · · · · · · · · · · · · · · · · · · · · · · · CONFigureFREQuency BURSt PRFCONFigureTOTalizeACCumulated ARMSEQuence1LAYer1ECOuntMEASureFREQuencyBURSt CARRier? · · · · · · · · · · · · · · · · · · Page Page VIII Page Page Response PulseQUE · · · · · · · · · · · · · · · · · 9-130 - 9-131 Query RealPage XIII