Agilent Technologies Comprehensive Guide to Programming the DC Source for Agilent 6633B
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Programming the DC Source - 3

Controlling Measurement Samples

Varying the Voltage or Current Sampling Rate

You can vary both the number of data points in a measurement sample, as well as the time between samples. This is illustrated in Figure 3-5.

SENS:SWE:TINT <time>

SENS:SWE:POIN <# of points>

TRIG:ACQ:COUN:CURR <# of sweeps>

Figure 3-5. Sense Commands Used to Vary the Sampling Rate

At *RST, the output voltage or current sampling rate is 15.6 microseconds. This means that it takes about

32 milliseconds to fill up 2048 data points in the data buffer. You can vary this data sampling rate with:

SENSe:SWEep:TINTerval <sample_period>

SENSe:SWEep:POINts <points>

For example, to set the time interval to 46.8 microseconds per sample with 1500 samples, use SENSe:SWEep:TINTerval 46.8E-6;POINts 1500.

Multiple Measurements (Agilent 66312A, 66332A Only)

The instrument also has the ability to set up several acquisition triggers in succession and average the results from each acquisition in the returned measurement. To set up the trigger system for a number of sequential aquisitions use:

TRIGger:ACQuire:COUNt:CURRent <number> or

TRIGger:ACQuire:COUNt:VOLTage <number>

With this setup, the instrument performs each acquisition sequentially, storing the digitized readings in the internal measurement buffer. It is only necessary to initialize the measurement once at the start; after each completed aquisition the instrument will wait for the next valid trigger condition to start another. The results returned by MEASure or FETCh will be the average of the total data acquired.

NOTE: The total number of data points cannot exceed 4096. This means that the product of the trigger count multiplied by the sweep points cannot exceed 4096; otherwise an error will occur.

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Contents Programming Guide Printing History Safety GuidelinesTable of Contents Internally Triggered Measurements Language DictionaryOutput Commands Scpi Conformance Information Error MessagesCompatibility Language Example ProgramsDocumentation Summary About this GuideScpi References External ReferencesGpib References Downloading and Installing the Driver VXIplug&play Power Products Instrument DriversSupported Applications System RequirementsGpib Capabilities of the DC Source Accessing Online HelpRS-232 Capabilities of the DC Source Gpib AddressBaud Rate RS-232 Flow ControlRS-232 Programming Example Introduction to Scpi RS-232 TroubleshootingConventions Used in This Guide Boldface fontMultiple Commands in a Message Types of Scpi CommandsUsing Queries Including Common CommandsTypes of Scpi Messages Moving Among SubsystemsMessage Unit Query IndicatorHeaders Message Unit SeparatorNumerical Data Formats Scpi Data FormatsSuffixes and Multipliers Response Data TypesUsing Device Clear Scpi Command CompletionPage Introduction Power-on InitializationProgramming the Output Enabling the OutputOutput Current Output VoltageMaximum Voltage Maximum CurrentTriggering Output Changes Setting the Voltage or Current Trigger LevelsScpi Triggering Nomenclature Output Trigger System ModelGenerating Triggers Initiating the Output Trigger SystemDC Measurements Making MeasurementsVoltage and Current Measurements Current Ranges RMS Measurements Agilent 66312A, 66332A OnlySequence Form Alias SEQuence2 ACQuire Internally Triggered MeasurementsMeasurement Trigger System Model BUS Generating Measurement Triggers Agilent 66312A, 66332A OnlyTrigger Commands Used to Measure Output Pulses Pulse Measurement Queries Measuring Output Pulses Agilent 66312A, 66332A OnlyCurrent Detector Multiple Measurements Agilent 66312A, 66332A Only Controlling Measurement SamplesVarying the Voltage or Current Sampling Rate Pre-event and Post-event Triggering Pulse Measurement Example Agilent 66312A, 66332A onlyOption Base Programming the Status Registers Power-On ConditionsOperation Status Group Status Byte Register Questionable Status GroupStandard Event Status Group Servicing Operation Status and Questionable Status Events Determining the Cause of a Service InterruptMSS Bit RQS BitMonitoring Both Phases of a Status Transition Inhibit/Fault IndicatorDiscrete Fault Indicator DFI Remote Inhibit RIBit Weight Using the Inhibit/Fault Port as a Digital I/ODFI Programming Example PinPage Language Dictionary Subsystem CommandsSubsystem Commands Syntax ALC DFISubsystem Commands Syntax Common Commands Syntax Common CommandsProgramming Parameters Output Programming ParametersCALibrateCURRent Calibration CommandsCALibrateCURRentNEGative CALibrateCURRentMEASureLOWRangeCommand Syntax CALibrateSAVE Parameters None Examples CALibratePASSwordCALibrateDATA CALibrateLEVelCALibrateVOLTage CALibrateSTATeCALibrateVOLTagePROTection Query Syntax CALibrateSTATe?MEASureARRayCURRent? FETChARRayCURRent? Measurement CommandsMEASureARRayVOLTage? FETChARRayVOLTage? Query SyntaxMEASureCURRentACDC? FETChCURRentACDC? MEASureCURRent? FETChCURRent?MEASureCURRentHIGH? FETChCURRentHIGH? FETChCURRent? applies to Agilent 66312A, 66332A OnlyMEASureCURRentMINimum? FETChCURRentMINimum? MEASureCURRentLOW? FETChCURRentLOW?MEASureCURRentMAXimum? FETChCURRent MAXimum? MEASureVOLTageACDC? FETChVOLTageACDC? MEASureVOLTage? FETChVOLTage?MEASureVOLTageHIGH? FETChVOLTageHIGH? FETChVOLTage? applies to Agilent 66312A, 66332A OnlyMEASureVOLTageMINimum? FETChVOLTageMINimum? MEASureVOLTageLOW? FETChVOLTageLOW?MEASureVOLTageMAXimum? FETChVOLTageMAXimum? SENSeCURRentDETector SENSeCURRentRANGeUnit a amperes *RST Value MAX high range Returned Parameters NR3SENSeSWEepOFFSetPOINts SENSeFUNCtionSENSeSWEepPOINts SENSeSWEepTINTervalHANNing SENSeWINDowRECTangular Returned Parameters CRDOUTPut Output CommandsOUTPutDFI OUTPutDFISOURceOUTPutPROTectionCLEar OUTPutPROTectionDELayOUTPutPONSTATe OUTPutRELayPOLarity OUTPutRELayOUTPutRIMODE Query Syntax OUTPputRELayPOLarity?SOURceCURRent Default SuffixSOURceCURRentTRIGger SOURceCURRentPROTectionSTATeSOURceDIGitalFUNCtion SOURceDIGitalDATASOURceVOLTage Query Syntax SOURceDIGitalDATA?SOURceVOLTageTRIGger SOURceVOLTageALCBANDwidth? SOURceVOLTageALCBWIDth?SOURceVOLTagePROTection Agilent 66332A, 6631B, 6632B, 6633B and 6634B OnlySTATusPRESet Status CommandsSTATusOPERation? STATusOPERationCONDition?Query Syntax STATusOPERationENABle? STATusOPERationENABleParameters Preset Value STATusOPERationNTR STATusOPERationPTRSTATusQUEStionableCONDition? STATusQUEStionableENABleSTATusQUEStionable? STATusQUEStionableNTR STATusQUEStionablePTR Command Syntax *CLS Parameters NoneCLS STATQUESNTR?STATQUESPTR?ESE Bit Configuration of Standard Event Status Enable RegisterESR? OPCSRE PSCPSC on ExampleSTB? Bit Configuration of Status Byte RegisterWAI NR1 register binary valueDISPlay System CommandsDISPlayMODE DISPlayTEXTSYSTemLANGuage SYSTemERRor?SYSTemVERSion? Parameters none Returned Parameters NR2SYSTemREMote SYSTemLOCalSYSTemRWLock IDN?OPT? Command Syntax RCL NRf Parameters ExampleRCL RSTCommand Syntax SAV NRf Parameters Example RST SettingsSAV TST?ABORt Trigger CommandsINITiateSEQuence INITiateNAME INITiateCONTinuousSEQuence1 INITiateCONTinuousNAMETRIGgerSOURce TRIGgerTRIGgerSEQuence2 TRIGgerACQuire Abor Currtrig Init *TRG VolttrigTRIGgerSEQuence2COUNtVOLTage TRIGgerACQuireCOUNtVOLTage TRIGgerSEQuence2COUNtCURRent TRIGgerACQuireCOUNtCURRentParameters RST Value Examples TRIGSEQ2COUNCURR 5 TrigacqcouncurrTRIGSEQ2HYSTCURR TRIGSEQ2LEVVOLT TRIGSEQ2HYSTVOLT TRIGSEQ2LEVCURRTRIGgerSEQuence2LEVelVOLTage TRIGgerACQuireLEVelVOLTage TRIGgerSEQuence2LEVelCURRent TRIGgerACQuireLEVelCURRentTRIGSEQ2LEVVOLT TRIGSEQ2HYSTCURR TRIGSEQ2LEVCURR TRIGSEQ2HYSTVOLTTRIGSEQ2SLOPVOLT TRIGgerSEQuence2SLOPeCURRent TRIGgerACQuireSLOPeCURRentTRIGgerSEQuence2SLOPeVOLTage TRIGgerACQuireSLOPeVOLTage TRIGgerSEQuence2SOURce TRIGgerACQuireSOURce Parameters None Related CommandsTRIGgerSEQuence1DEFine TRIGgerSEQuence2DEFine TRGPage Scpi Version Scpi Confirmed CommandsNon-SCPI Commands Page Command Setting Table B-1. COMPatibility Power-on Settings CommandERR? FAULT? ID? IOUT? Table B-2. COMPatibility Commands CompatibilitySimilar Scpi Command ASTS? CLRTable B-2. COMPatibility Commands Description Similar Scpi Compatibility CommandCompatibility Description Command Table B-2. COMPatibility CommandsThese commands determine the conditions that will set bits ErrorFAU Norm Fast INH ERR UNR +CCRQS ERR RDY Page Bit Set Error Number Error Code Error Type Error Number ListTable C-1. Error Numbers Error Number Page Types of DOS Drivers Assigning the Gpib Address in ProgramsAgilent 82335A Driver National Instruments Gpib DriverBasic Controllers Error HandlingExample Programs D Call IBCLRPS% Example 2. IBM Controller Using National InterfaceCODES$=*CLS Option Base Example 3. Controller Using BasicIndex 100 IndexScpi 101102 Manual Updates
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6613C, 66312A, 6631B, 6611C, 6614C specifications

Agilent Technologies, a leader in electronic test and measurement solutions, offers a range of power supplies designed to meet various application needs. Notable models include the 6632B, 6634B, 66332A, 6633B, and 6612C. Each of these units provides unique features and technologies that cater to researchers, engineers, and technicians in the industry.

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In summary, Agilent Technologies’ power supply models—6632B, 6634B, 66332A, 6633B, and 6612C—offer an array of features that cater to a wide range of testing and research needs, ensuring reliable power delivery in various contexts.
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