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Fluke PM6685R, PM6681R manual DISPlay ENABle, Display State, Command Reference

Models: PM6685 PM6685R PM6681 PM6681R

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:DISPlay :ENABle

< Boolean >

Display State

PM6680B/81/85

Turns On/Off the updating of the entire display section. This can be used for secu- rity reasons or to improve the GPIB speed, since the display does not need to be updated. Turning off the display reduces the dead time between measurements by about 7 ms.

When the display is turned off, the information about the measurement resolution is lost. That is, the counter will always send a full 12 digit mantissa independent of the measurement resolution.

Parameters:

Where <Boolean> = (1 / ON 0 / OFF)

Returned format: 10

*RST condition: ON

See also: Chapter 6, ‘How to Measure Fast’.

Complies to standards:

SCPI 1991.0, confirmed.

9-32 Command Reference

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Fluke PM6685R, PM6681R manual DISPlay ENABle, Display State, Command Reference

Contents

Timer/Counter/ Analyzers PM6680B, PM6681, PM6681R, PM6685 & PM6685RProgramming Manual Pendulum Instruments AB - Sweden 7 How to Measure Fast 2 Bus Commands for the Benchtop User6 Using the Subsystems 1 Getting StartedDiagnostics Subsystem 8 Error Messages 9 Command ReferenceConfigure Function AbortMemory Subsystem Sense Command SubsystemCommon Commands Output Subsystem10 Index Getting Started ChapterFinding Your Way Through This Manual SectionsIndex Mnemonic Conventions Syntax Specification FormManual Conventions Printable Characters1-4 Setting Up the Instrument Setting Up the InstrumentSetting the GPIB Address ExamplesInterface Functions Power-onTesting the Bus What can I do with the Bus?Remote/Local, RL1 Service Request, SR1Listener Function, L4 Parallel Poll, PP0Bus Commands for the Benchtop User ChapterBus Commands for the Benchtop User 2-2 Error CodeTESTCHECONOFF TOTGATONOFF Error CodeDISPLENABONOFF ROSCSOURINTEXT SYSTPRES or *RST ACQHOFFONOFF ACQHOFFTIMEtime2-4 Error Code CALCAVERTYPEMAXMINSDEVMEAN Selects statistical function Error CodeCALCMATHSTATONOFF CALCAVERSTATONOFF2-6 Error Code OUTPONOFF OUTPSCALscaling factor SYSTCOMMGPIBADDRAddress Error CodePM6680B ROSCSOURINTEXTSETTING Default settings after *RST2-8 Default settings after *RST SETTINGIntroduction to SCPI ChapterCompatibility What is SCPI?Reason for SCPI 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? Sequential and Overlapped Commands Protocol RequirementsDeferred Commands Order of ExecutionRemote Operation Remote Local ProtocolDefinitions Local OperationSyntax of Program Messages Program and Response MessagesSyntax and Style Program and Response MessagesPage Responses Notation Habit in Command SyntaxSyntax of Response Messages Example3-10 Command Tree Command TreeMoving down the Command Tree ExampleBoolean Data ParametersNumeric Data KeywordsOther Data Types Expression DataSummary ExampleMacro Names Define Macro CommandMacros Data Types within MacrosEnabling and Disabling Macros How to Execute a MacroDeleting Macros EMC Enable Macro CommandExample using the above defined macro Retrieve a MacroGMC? Get Macro Contents Query LMC? Learn Macro QueryStatus Reporting System Introduction3-16 Status Reporting System Read the Error/Event Queue Error ReportingDetecting Errors in the Queue Standardized Error NumbersQuery Error Execution ErrorDevice-specific Error 3-18 Error ReportingWhen to use a Device-clear Command Initialization and ResettingReset Strategy 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 ChapterIntroduction InputsChannels 5-2 IntroductionINPut Measurement Function BlockGPIB SENSeThe different blocks have the following functions Other SubsystemsOrder of Execution CALibrationMEASure? MEASurement FunctionCONFigure READ? MEASurement FunctionCONFigure INITiateFETCh? 5-6 MEASurement FunctionUsing the Subsystems ChapterIntroduction Using the SubsystemsStatistics Calculate SubsystemMathematics Limit MonitoringPM6681 Calibration SubsystemPM6680B, PM6685 6-4 Calibration SubsystemConfigure Function Configure FunctionFormat Subsystem Time Stamp Readout Format6-6 Format Subsystem Figure 6-1 Summary of PM6685 input amplifier settings Input SubsystemsPM6685 Reset pointsPM6680B/PM6681 Figure 6-2 Summary of PM6680B / PM6681 input amplifier settings6-8 Input Subsystems MEASure? CONFigure READ?Measurement Function ExampleExample CONFigureINITiateFETCh?Example 6-10 Measurement FunctionScaling Output SubsystemScaling Factor factorResolution 6-12 Output SubsystemSense Command Subsystem Sense Command SubsystemsSwitchbox PrescalingUsing the Registers Status SubsystemStatus Reporting Model Introduction7654 3210Status Subsystem Status of the Error Message Queue EAV Clearing/Setting all bitsUsing the Queues Using the Status ByteS R Q S t a t u s B y t eR e g i s t e r s ig n aUsing the Serial Poll IEEE-488.1 de- fined Setting up the Counter to Report StatusReading and Clearing Status Using the Common Query *STB?Status Condition Registers Why Two Types of Registers?Set up SummaryStandard Status Registers 6-20 Status SubsystemBit 4 weight 16 - Execution Error EXE Bit 6 weight 64-User Request URQBit 5 weight 32 - Command Error CME Bit 3 weight 8 - Device-dependent Error DDESCPI-defined Status Registers ESR?6-22 Status Subsystem Bit 8 weight 256 - Measurement Stopped MSP Bit 5 weight 32 - Waiting for TriggerBit 4 weight 14 - Measurement Bit 6 weight 64 - Wait for Bus Arm- ing WFABit 10 weight 1024 - Timeout for Questionable Data/SignalStatus Group Bit 8 weight 256 Overflow OFLDevice-defined Status Structure Status SubsystemFigure 6-13 Device-defined status data structures model Device Status Register0 Power-on Status Clear15 2 Bit 2 weight 4 - Monitor of Low LimitInstrument Action The ARM-TRIG Trigger ConfigurationTrigger/Arming Subsystem Trigger/Arming SubsystemForward Traversing an Event-detection Layer Structure of the IDLE and INITIATED StatesStructure of an Event-detection Layer 6-28 Trigger/Arming SubsystemWhen to use *TRG and GET TriggeringTRG Trigger Command Backward Traversing an Event-detection LayerE v e n t d e t e c t i o n l oa ny e er a c h a r m 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 6-30 Trigger/Arming SubsystemHow to Measure Fast ChapterTimeout Controller SynchronizationMeasurement Cycle Synchronization IntroductionDescription Rough TriggerSubsystem MEASUREMENT StateINITiate Some Basic CommandsCONFigure INITiate CONTinuousSome Basic Commands READ?MEASMEM1?, MEASMEM? MEASure?READ? Basic Measurement MethodIndividually Synchronized Measurements INITCONT and GETREADARRay? General Speed ImprovementsBlock Synchronized Measurements INIT + GET + FETCHARRay?Display Control Time Measurement ResolutionAUTO GPIB Data FormatBlock Measurements 40000 measurements/second Real Time CalculationOptimal Method Supervising a ProcessObvious Method 7-10 Supervising a ProcessSpeed Summary Speed SummaryI n d i v i d u a l l y s y n c . m e a s 7-12 Speed SummaryS p e e d 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 sARMSTARtLAYerCOUNt 1 and TRIGCOUNt N Speed SummaryBlock Synchronized Measurements Speed Improvement ActionsWhere Meas.time is the measurement time you use Calculating the MeasurementSpeed Deadtime is the deadtime between measurements after preset. see pageTime Gain in ms Speed SummaryTimesaving Com SacrificeSingle “Speed Switch” Command for PM6680B/85 Single “Speed Switch” Command for PM66817-16 Speed Summary Error Messages Chapter8-2 Error Code 0 to Read the Error/Event QueueError Messages ExampleError Error Code -105 to -120Command Errors Error DescriptionError 8-4 Error Code -121 toCommand Errors Error DescriptionError Error Code -151 to -170Command Errors Error DescriptionError 8-6 Error Code -171 toCommand Errors Error DescriptionError Error Code -200 to -221Execution errors Error DescriptionError 8-8 Error Code -222 toExecution errors Error DescriptionError Error Code -241 to -272Execution errors Error DescriptionError 8-10 Error Code -273 toExecution errors Error DescriptionError Error Code -300 to -350Standardized Device specific errors Error DescriptionError 8-12 Error Code -400 toQuery errors Error DescriptionError Error Code 1100 to -1139CNT-8X Device specific errors leading 1 only for PM6681 Error DescriptionError 8-14 Error Code 1150 toCNT-8X Device specific errors leading 1 only for PM6681 Error DescriptionError Error Code 1214 to -1240CNT-8X Device specific errors leading 1 only for PM6681 Error Description8-16 Error Code This page is intentionally left blankCommand Reference Chapter9-2 Command Reference This page is intentionally left blankAbort Command ReferenceType of command ABORt9-4 Command Reference Abort MeasurementArming Subsystem Command ReferenceEXTernal2 EXTernal4 IMMediate TIMerf No. of Measurements on each Bus arm ARM COUNt9-6 Command Reference MAX gives 65Delay after External Start Arming ARM DELayARM ECOunt Command Reference9-8 Command Reference ARM LAYer2ARM LAYer2 SOURce Bus Arming OverrideCommand Reference ARM SLOPeARM SOURce External Arming Start SlopeDelay after External Stop Arming ARM STOP DELayARM STOP ECOunt 9-10 Command ReferenceCommand Reference ARM STOP SLOPeARM STOP SOURce External Stop Arming Slope9-12 Command Reference This page is intentionally left blankCalculate Subsystem Command ReferenceCALCulate Enable Statistics CALCulate AVERage COUNtCALCulate AVERage STATe 9-14 Command ReferenceCommand Reference CALCulate AVERage TYPECALCulate DATA? Statistical TypeEnable Monitoring of Parameter Limits CALCulate IMMediateCALCulate LIMit 9-16 Command ReferenceCommand Reference CALCulate LIMit FAIL?CALCulate LIMit LOWer Limit FailSet Upper Limit CALCulate LIMit LOWer STATeCALCulate LIMit UPPer 9-18 Command ReferenceCheck Against Upper Limit CALCulate LIMit UPPer STATeCommand Reference Returned format 1 RST conditionSelect Mathematical Expression CALCulate MATH9-20 Command Reference expression is X + K No deviations are allowed from this formCommand Reference CALCulate MATH STATeEnable Mathematics CALCulate MATH9-22 Command Reference CALCulate STATeEnable Calculation ParameterCalibration Subsystem Command ReferenceBooleanONCE CALibration INTerpolator AUTO 9-24 Command ReferenceCalibration of Interpolator Set up Instrument for Measurement Configure FunctionCommand Reference Measuring Function, Parameters and Channels are explained on pageCONFigure Measuring Function Configure the counter for a single measurement9-26 Command Reference Command Reference CONFigure ARRay Measuring FunctionConfigure the counter for an array of measurements 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 ARRay? Array SizeMAX Fetch FunctionCommand Reference FETChFETCh? 9-34 Command ReferenceFetch One Result Phase, Duty Cycle,Volt FETCh ARRay?Command Reference Low resolution Frequency and Period9-36 Command Reference ASCii BINary HEXadecimal OCTal Format SubsystemCommand Reference FORMatDISPlayENABled OFF is selected FORMat9-38 Command Reference FORMatCommand Reference FORMat FIXedFORMat SREGister signmantissa valueEsignexponent value Where sign = +FORMat TINFormation 9-40 Command ReferenceTimestamping On/Off TimestampingOn/Off Initiate Subsystem Command ReferenceINITiate 9-42 Command Reference INITiateINITiate CONTinuous Initiate MeasurementINPUT A Input SubsystemsCommand Reference INPUT B Not PM66859-44 Command Reference INPut«12» ATTenuationINPut«12» COUPling AC/DC CouplingCommand Reference INPut FILTerINPut HYSTeresis Low Pass FilterINPut HYSTeresis AUTO 9-46 Command ReferenceAuto Sensitivity Command Reference INPut«12» IMPedanceINPut«12» LEVel Input ImpedanceWaveform compensation INPut LEVel9-48 Command Reference Trigger level Vpp * 0.5 Duty factorAutotrigger INPut LEVel AUTOCommand Reference Boolean = 1/ON 0/OFFINPut LEVel AUTO 9-50 Command ReferenceUsing ONCE instead of AUTO ON improves measuring speed Autotrigger INPutAUTO?Command Reference INPut«124» SLOPeINPut2COMMon Trigger Slope9-52 Command Reference This page is intentionally left blankSet up the Instrument, Perform Measurement, and Read Data Measurement FunctionCommand Reference This query gives the same answer as FUNC? in the SENSe subsystem9-54 Command Reference ACCumulated?CONTinuous Size,expected value,resolution, @1@3@4 Command ReferenceCW? Size,expected value,resolution, @1@3@4@5@6 Size,exp. value,resol., @1@3@4,@1@3 @4MEASure Measuring Function? 9-56 Command ReferenceMake one measurement Make an array of measurements MEASure ARRay Measuring Function?Command Reference array size sets the number of measurements in the array9-58 Command Reference MEASureMEMoryN?MEASureMEMory? CommandCommand Reference EXPLANATIONS OF THE MEASURING FUNCTIONSMEASure«DCYCle/PDUTycycle» Positive Duty Cycleresolution is the required resolution MEASure FREQuency?9-60 Command Reference Frequencyresolution is the required resolution, e.g., 1 gives 1Hz resolution MEASure FREQuency BURSt?Command Reference Burst Carrier Frequencyres. is the required resolution MEASure FREQuency PRF?9-62 Command Reference Pulse Repetition FrequencyCommand Reference MEASure FREQuency RATio?MEASure FALL TIME? Fall-time9-64 Command Reference MEASure VOLT MAXimum?MEASure VOLT MINimum? Positive Peak VoltageCommand Reference MEASure NWIDth?MEASure PWIDth? Negative Pulse Width9-66 Command Reference MEASure«PDUTycycle/ DCYCle»?MEASure«NDUTycycle»? Positive duty cycle Duty FactorPhase MEASure PHASe?MEASure PERiod? Command Reference9-68 Command Reference MEASure VOLT PTPeak?MEASure RISE TIME? Peak-to-Peak VoltageTime-Interval MEASure TINTerval?Command Reference @2 means input B @4 means input E Rear panel arming inputTotalize X gated by Y, accumulated MEASure TOTalize ACCumulated?9-70 Command Reference The first @«12456» is the channel to measure onTotalize Manually PM6680B/81/85CONFigure TOTalize CONTinuousCommand Reference Normal Program Sequence for Totalizing on A9-72 Command Reference MEASure TOTalize GATed?MEASure TOTalize SSTop? Totalize X gated by YCommand Reference MEASure TOTalize TIMed?Totalize X-Y During a Preset Time @1 means input A @2 means input B9-74 Command Reference This page is intentionally left blankMemory Subsystem Command ReferenceRelated Common Commands 9-76 Command Reference MEMory DELete MACRoMEMory FREE SENSe? Delete one MacroCommand Reference MEMory FREE MACRo?MEMory NSTates? Memory Free for Macros9-78 Command Reference This page is intentionally left blankOutput Subsystem Command ReferenceON OFF Enable Analog Out OUTPutOUTPut SCALe 9-80 Command ReferenceRead Function Command ReferencePerform Measurement and Read Data READ? 9-82 Command ReferenceRead one Result Read an array of results READARRay?Command Reference 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 ACQuisition APERtureCommand Reference Set the Measurement Time9-88 Command Reference ACQuisition HOFFACQuisition HOFF ECOunt Hold Off On/OffCommand Reference ACQuisition HOFF MODEACQuisition HOFF TIME Hold Off ModeResolution ACQuisition RESolutionACQuisition RESolution ResolutionAverage Samples AVERage COUNtCommand Reference Decimal data is a number between 1and9-92 Command Reference AVERage STATeFREQuency RANGe LOWer Min frequency limit DefaultSelect Measuring Function FUNCtionCommand Reference Functions and channels in PM66859-94 Command Reference Functions and channels in PM6680B and PM6681Input channels PM6680B and PM6681 Internal Format INTernal FORMatCommand Reference Number of Results inBURST/PRF Synchronization Delay SDELayROSCillator SOURce 9-96 Command ReferenceCommand Reference TOTalize GATEVOLTageGATedSTATe Gate On/Off9-98 Command Reference This page is intentionally left blankCommand Reference Status SubsystemRelated Common Commands STATusEnable Device Status Reporting STATus DREGister0 ENABleSTATus DREGister0? 9-100 Command ReferenceWeight STATus OPERation CONDition?Command Reference Read Operation Status Condition Register9-102 Command Reference STATus OPERation ENABleEnable Operation Status Reporting WeightEnable Device Status Reporting STATus PRESetSTATusOPERation? Command Reference9-104 Command Reference STATus QUEStionable CONDition?Read Questionable Data/Signal Condition Register WeightEnable Questionable Data/Signal Status Reporting STATus QUEStionable ENABleSTATus QUEStionable? Read Questionable Data/Signal Event Register9-106 Command Reference This page is intentionally left blankCommand Reference System SubsystemRelated common command SYSTem9-108 Command Reference SYSTem ERRor?SYSTem COMMunicate GPIB ADDRess Where Error Description String = an error description as ASCii textPreset SYSTem PRESetSYSTem SDETect Signal DetectionRead or Send Settings SYSTem SETSYSTem TIME ELAPsed? 9-110 Command ReferenceTimeout On/Off SYSTem TOUTSYSTem TOUT TIME Timeout, Set9-112 Command Reference SYSTem UNPRotectSYSTem VERSion? Where # means that arbitrary block program data will followCommand Reference Test SubsystemRelated common command TESTSelect Check signal TESTCHECkTEST SELect 9-114 Command ReferenceCommand Reference Trigger SubsystemRelated common command COUNt Numeric value MIN MAXNo. of Triggerings on each Ext Arm start TRIGgerCOUNt9-116 Command Reference 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 ReferenceEvent Status Enable Register 1 = enable Standard Event Status EnableCommand Reference Figure 9-3 Bits in the standard event status register9-122 Command Reference ∗ESR?GMC? Event Status RegisterCommand Reference LMC?IDN? Identification query9-124 Command Reference LRN?Learn Device Setup Operation CompleteCommand Reference OPC?OPT? Where Bus option = GPIB Prescaler option =1 is enabled and 0 is disabled Power-on Status Clear9-126 Command Reference Purge MacrosRecall Command ReferenceProtected User Data # means that arbitrary block program data will follow9-128 Command Reference ∗RMCReset Delete one MacroCommand Reference SaveService Request Enable Register 1 = enable Service Request Enable9-130 Command Reference WeightWeight STB?Command Reference Enabled operation status has occurredInteger = a number indicating errors according to the table below TST?9-132 Command Reference PM6680B ErrorIndex ChapterIndex Page ARMSEQuence1LAYer1ECOunt CONFigureFREQuency BURSt PRFCONFigureTOTalizeACCumulated · · · · · · · · · · · · · · · · · · · · · · · · · · ·MEASureFREQuencyBURSt CARRier? · · · · · · · · · · · · · · · · · · Page Page VIII Page Page Real PulseQUE · · · · · · · · · · · · · · · · · 9-130 - 9-131 Query ResponsePage XIII