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HP WaterSkis E1412A, WaterSkis E1312A manual Zeroauto ZEROAUTO?

Models: WaterSkis E1412A WaterSkis E1312A

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Chapter 3
Multimeter Command Reference (continued)
CALCulate	73
:AVERage:AVERage?	74
:AVERage:COUNt?	74
:AVERage:MAXimum?	74
:AVERage:MINimum?	74
:DB:REFerence	75
:DB:REFerence?	75
:DBM:REFerence	75
:DBM:REFerence?	75
:FUNCtion	76
:FUNCtion?	76
:LIMit:LOWer	77
:LIMit:LOWer?	77
:LIMit:UPPer	77
:LIMit:UPPer?	77
:NULL:OFFSet	78
:NULL:OFFSet?	78
:STATe	78
:STATe?	78
CALibration	79
:COUNt?	79
:LFRequency	79
:LFRequency?	80
:SECure:CODE	80
:SECure:STATe	81
:SECure:STATe?	81
:STRing	81
:STRing?	82
:VALue	82
:VALue?	82
:ZERO:AUTO	83
:ZERO:AUTO?	83
CALibration?	84
CONFigure	85
:CURRent:AC	87
:CURRent[:DC]	88
:FREQuency	89
:FRESistance	90
:PERiod	91
:RESistance	92
:VOLTage:AC	93
[:VOLTage[:DC]]	94
[:VOLTage[:DC]]:RATio	95
CONFigure?	96
DATA	97
:POINts?	97

Contents 3

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HP WaterSkis E1412A, WaterSkis E1312A manual Zeroauto ZEROAUTO?

Contents

Contents Frequency and Period Measurement Errors Zeroauto ZEROAUTO? IMMediate Chapter Multimeter Command Reference Appendix a Appendix B Contents HEWLETT-PACKARD Warranty Statement Documentation History Manufacturer’s Name July 31 Jim White, QA Manager Business Reply Mail Page Using This Chapter HP E1312A and HP E1412A Multimeter Module SetupSetting the Module Address Switch Setting the Line Frequency Reference Interrupt PriorityChecking the Line Frequency Reference Page Multimeter Functional Connections Switch Module Analog Bus ConnectionsVoltage Measurement Connections Wire Ohms Measurement Connections Initial Operation HP E1312A and HP E1412A Multimeter Module Setup ChapterFunction Prototype HP E1312A and HP E1412A Multimeter Module Setup Chapter Thermal EMF Errors Measurement TutorialDC Voltage Measurements Thermoelectric Voltages Loading Errors dc volts Leakage Current ErrorsCommon Mode Rejection CMR Rejecting Power Line Noise VoltagesNoise Caused by Ground Loops Noise Caused by Magnetic LoopsResistance Measurements Wire Ohms MeasurementsSet to 2-wire ohms function Power Dissipation Effects Errors in High Resistance MeasurementsMaking High-Speed DC and Resistance Measurements True RMS AC Measurements DC Current Measurement ErrorsCommon Crest Factors Example Crest Factor Errors non-sinusoidal inputsFunction and Range Change Internal Offset Correction Loading Errors ac voltsTemperature Coefficient Errors AC Measurements Below Full ScaleVoltage Measured = Vin2+ Noise2 Low-Level Measurement ErrorsAC Current Measurement Errors Frequency and Period Measurement ErrorsMaking High-Speed AC Voltage or Current Measurements AC Signal Filter DC Input Resistance Measurement ConfigurationNumber of Power Line Cycles Nplc Resolution Chapter HP E1312A/E1412A Multimeter Application Information SENSeZEROAUTO Offonceon Null Relative Function Math Operations CALCulate SubsystemCONFfunction DB MeasurementsDBm Measurements Storing the dB Reference ValueStoring the dBm Reference Resistance Value HP E1312A/E1412A Multimeter Application Information Chapter Triggering the Multimeter TRIGgerSOURce EXTernal Checking the Trigger Source Wait-for-Trigger State Bus TriggeringChecking the Trigger Count Inserting a Trigger Delay Example Setting the Trigger CountExample Inserting a Trigger Delay Default Trigger Delays Querying Delay Time Sample Count Example Setting the Sample CountChecking the Sample Count HP VTL Software Visa HP E1312A and HP E1412A Multimeter Application ExamplesMaking Multimeter Measurements MEASure CommandMEASURE2 Source Code File MEASURE1 Source Code FileInit MEASURE3 Source Code FileMEASURE4 Source Code File HP E1412A Multimeter and Switch Module Synchronization Synchronizing Multimeter With a Switch ModuleSee -5 for the HP E1312A/E1412A Multimeter status system Retrieve the readings from the multimeter Set up the MultimeterNow set up the switch module Check the multimeter for system errorsMultimeter Status System Examples RST CLS *ESE Init OPC Synchopc Source Code FileRST Init FETC? Synchmav Source Code FileEnd Loop Check the multimeter for system errors Limittst Source Code FileLoop Programming Example Device ConfigurationPage HP E1312A/E1412A Multimeter Application Information Chapter Command Types Common Command FormatCommand Format Command Abbreviated Commands Implied CommandsSeparator Parameters Linking CommandsPLC Multimeter Range and Resolution TablesScpi Command Reference AC Voltage Range versus ResolutionAC Current Range versus Resolution Related Commands INITiate, TRIGger ABORtAborting a Measurement CALCulate Subsystem SyntaxValid Math/Measurement Function Combinations AVERageMINimum? AVERageAVERage?AVERageCOUNt? AVERageMAXimum?DBMREFerence? DBREFerenceDBREFerence? DBMREFerenceExample Query the Calculate Math Function FUNCtionFUNCtion? Parameter Summary ExampleLIMitUPPer? LIMitLOWerLIMitLOWer? LIMitUPPerSTATe? NULLOFFSetNULLOFFSet? STATeComments CALibrationCOUNt? LFRequencyExample Enter a New Calibration Security Code Example Query the Line Frequency SettingLFRequency? SECureCODEExample Set the Calibration State to Unsecured SECureSTATeSECureSTATe? STRingExample Query the Calibration Message STRing?VALue VALue?Zeroauto CAL? CALibration?Command Setting CONFigureFunction Range Resolution Default Settings for CONFigure Command by FunctionExample Making AC Current Measurements CURRentACExample Making DC Current Measurements CURRentDCResolutionMINMAXDEF selects the frequency function FRESistance Example Making 4-Wire Ohms MeasurementsPERiod Example Making 2-Wire Ohms Measurements Resolution MinmaxdefExample Making AC Voltage Measurements VOLTageACExample Making DC Voltage Measurements VOLTageDCSense HI and LO input VOLTageDCRATioString Returned CONFigure?POINts? DataExample Transferring Stored Readings to Output Buffer FETCh?INITiate IMMediateExample Placing Multimeter in Wait-For-Trigger State IMPedanceAUTO? Example Query the Input Impedance ModeINPut IMPedanceAUTOMEASure MEASCURRAC? 1,MAX CURRentAC?MEASCURRDC? .1,MAX CURRentDC?FREQuency? MEASFRES? 1500,MAX FRESistance?PERiod? RESistance? VOLTageAC? VOLTageDC? Example Making DC Voltage Ratio Measurements VOLTageDCRATio?OUTPut TTLTrgSTATeRST Condition OUTPTTLTn OFF TTLTrgSTATe? Example Route Voltmeter Complete to Trigger LineExample Query Voltmeter Complete Destination Example Transfer Readings Directly to Output Buffer READ?SAMPle COUNtRST Condition Sampcoun Example Set the Sample Count SAMPCOUN? Example Query the Sample CountSENSe Zero Auto Offonceon AUTO? Function Example Query the Measurement FunctionCURRentACRANGe CURRentACRANGe?Example Query the AC Current Measurement Range CURRentACRANGeAUTO? Example Disable AC Current AutorangingExample Query the AC Current Autorange Mode CURRentACRANGeAUTOCURRentACRESolution? CURRentACRESolutionExample Query the Aperture Time CURRentDCAPERtureCURRentDCAPERture? Example Set an Aperture Time of 16.7msCURRentDCNPLC CURRentDCNPLC?Example Query the DC Current Integration Time Example Query the DC Current Measurement Range CURRentDCRANGeCURRentDCRANGe? Example Set the DC Current Range to 3ACURRentDCRANGeAUTO? Example Disable DC Current AutorangingExample Query the DC Current Autorange Mode CURRentDCRANGeAUTOCURRentDCRESolution? CURRentDCRESolutionDETectorBANDwidth Example Query the Detector Bandwidth DETectorBANDwidth?FREQuencyAPERture FREQuencyAPERture?Example Query the Measurement Range FREQuencyVOLTageRANGeFREQuencyVOLTageRANGe? Example Set the Voltage Range for Frequency Measurements toFREQuencyVOLTageRANGeAUTO? Example Disable AutorangingExample Query the Autorange Mode FREQuencyVOLTageRANGeAUTOFRESistanceAPERture? FRESistanceAPERtureFRESistanceNPLC FRESistanceNPLC?Example Query the Integration Time FRESistanceRANGe? FRESistanceRANGeFRESistanceRANGeAUTO? FRESistanceRANGeAUTORST Condition Fresres 1mΩ 1E-03 FRESistanceRESolutionFRESistanceRESolution? Example Query the ResolutionPERiodAPERture PERiodAPERture?RST Condition 0.1 100ms Example Set the Aperture Time Example Query the Period Voltage Range PERiodVOLTageRANGePERiodVOLTageRANGe? Example Set the Voltage Range for Period Measurements toPERiodVOLTageRANGeAUTO? PERiodVOLTageRANGeAUTORESistanceAPERture? RESistanceAPERtureRESistanceNPLC? RESistanceNPLCRESistanceRANGe RESistanceRANGe?RST Condition Resrang 1kΩ Example Change the Range RESistanceRANGeAUTO? RESistanceRANGeAUTORESistanceRESolution RESistanceRESolution?Example Change the Resolution VOLTageACRANGe? VOLTageACRANGeExample Disable AC Voltage Autoranging VOLTageACRANGeAUTOVOLTageACRANGeAUTO? VOLTageACRESolution VOLTageACRESolution?RST Condition 1E-04 Example Change the Resolution VOLTageDCAPERture? VOLTageDCAPERtureVOLTageDCNPLC? VOLTageDCNPLCVOLTageDCRANGe? VOLTageDCRANGeVOLTageDCRANGeAUTO? VOLTageDCRANGeAUTOVOLTageDCRESolution? VOLTageDCRESolutionExample Query the Autozero Mode Example Disable AutozeroQUEStionableCONDition? PRESetQUEStionableENABle STATusQUEStionableEVENt? QUEStionableENABle?VERSion? ERRor?Example Reading the Error Queue SYSTemRST Condition Trigcoun Example Set the Trigger Count TRIGgerDELay Example Set the Trigger DelayExample Query the Trigger Count Example Disable Automatic Trigger Delay DELay?DELayAUTO Example Query the Trigger DelayExample Query the Trigger Delay Mode DELayAUTO?Related Commands INITiate, READ?, MEAS? SOURceExample Set the Sample Source Example Query the Trigger Source SOURce?Category Command Title Description Ieee 488.2 Common Command Quick ReferenceESE and *ESE? Example Enable All Error EventsESR? RST does not affect SRE and *SRE?STB? HP E1412A C-size 6½-Digit Multimeters Scpi Command Quick ReferenceData 67sMINMAX Zeroauto Offonceon DC Characteristics HP E1312A and HP E1412A Multimeter Specifications60 Hz 50 Hz Measuring CharacteristicsOperating Characteristics True RMS AC AC CharacteristicsTrue RMS AC Voltage System Speeds 10 Accuracy Specifications ±% of reading 1 Frequency and Period CharacteristicsConfiguration Rates 14/sec Autorange Time General Specifications Understanding the % of reading Error To Calculate Total Measurement ErrorTotal Measurement Error Number of Digits and Overrange Interpreting Multimeter SpecificationsAccuracy DC Voltage, DC Current, and Resistance Measurements Configuring for High Accuracy MeasurementsExecution Errors 123Numeric overflow 112Program mnemonic too long113Undefined header 121Invalid character in number211Trigger ignored To -168Block data errorsTo -178Expression errors 221Settings conflict350Too many errors 330Self-test failed440Query Unterminated after indefinite response Cannot use overload as math reference Cannot achieve requested resolutionInvalid secure code Cal signal measurement out of rangeCal signal frequency out of range Cal securedNo cal for this function or range HP E1312A and HP E1412A Multimeter Error Messages Appendix B Measurement Speed and Accuracy Trade-offs Measurement Speed and Accuracy Trade-offs Appendix C HP E1312A/E1412 Special Function Minimize Number Command Response Sessions General Guidelines for Increasing Measurement SpeedAvoid Function Changes Avoid Aperture Changes Decrease Aperture Time or NPLCs Set Autozero to Once or OFF Turn AutorangeINITFETCH? Setting the ResolutionIndex 197 Index 124 Index Index Error, 180 See online help Cycles, 27, 38, 123, 132, 140 Errors 130 Setting resolution, 15, 38 160 Index