HP Waterskis E1312A Manuale Utente

ContentsHP E1312A/E1412A User’s Manual and SCPI Programming GuideEdition 4Contents 1Warranty ...

10 Safety SymbolsInstruction manual symbol affixed to product. Indicates that the user must refer to the manual for specific WARNING or CAUTION info

100 Multimeter Command Reference Chapter 3INPutThe INPut command enables or disables the automatic input impedance mode for DC voltage measurements.

Multimeter Command Reference 101Chapter 3MEASureThe MEASure command subsystem configures the multimeter to perform the specified measurement with th

102 Multimeter Command Reference Chapter 3:CURRent:AC?MEASure:CURRent:AC? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects

Multimeter Command Reference 103Chapter 3:CURRent[:DC]?MEASure:CURRent[:DC]? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] sele

104 Multimeter Command Reference Chapter 3:FREQuency?MEASure:FREQuency? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects th

Multimeter Command Reference 105Chapter 3:FRESistance?MEASure:FRESistance? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] select

106 Multimeter Command Reference Chapter 3:PERiod?MEASure:PERiod? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects the peri

Multimeter Command Reference 107Chapter 3:RESistance?MEASure:RESistance? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects

108 Multimeter Command Reference Chapter 3:VOLTage:AC?MEASure:VOLTage:AC? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects

Multimeter Command Reference 109Chapter 3[:VOLTage[:DC]]?MEASure[:VOLTage[:DC]]? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]]

11Jim White, QA ManagerEuropean contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, Depart-ment HQ-TRE, Herrenber

110 Multimeter Command Reference Chapter 3[:VOLTage[:DC]]:RATio?MEASure[:VOLTage[:DC]]:RATio? [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MI

Multimeter Command Reference 111Chapter 3OUTPutThe OUTPut command subsystem enables you to route the multimeter’s voltmeter complete signal to the V

112 Multimeter Command Reference Chapter 3Example Route Voltmeter Complete to Trigger LineOUTP:TTLT7 ONRoute signal to trigger line 7.:TTLTrg[:STATe

Multimeter Command Reference 113Chapter 3READ?The READ? command is most commonly used with CONFigure to:• Place the multimeter in the wait-for-trigg

114 Multimeter Command Reference Chapter 3SAMPleThe SAMPle command subsystem operates with the TRIGger command subsystem. The SAMPle subsystem desig

Multimeter Command Reference 115Chapter 3:COUNt?SAMPle:COUNt? [MIN|MAX] returns one of the following numbers to the output buffer:• The present sam

116 Multimeter Command Reference Chapter 3[SENSe:]The [SENSe:] command subsystem is most commonly used with CONFigure to change specific “low-level”

Multimeter Command Reference 117Chapter 3[SENSe:]FRESistance:APERture .333ms|3.33ms|16.7ms|167ms|1.67s|MIN|MAX:APERture? [MIN|MAX]:NPLCycles 0.02|0.

118 Multimeter Command Reference Chapter 3FUNCtion[SENSe:]FUNCtion “<function>” selects the measurement function. You can select the function

Multimeter Command Reference 119Chapter 3CURRent:AC:RANGe[SENSe:]CURRent:AC:RANGe <range> selects the range for AC current measurements.Param

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120 Multimeter Command Reference Chapter 3CURRent:AC:RANGe:AUTO[SENSe:]CURRent:AC:RANGe:AUTO <mode> enables or disables the autorange functio

Multimeter Command Reference 121Chapter 3CURRent:AC:RESolution[SENSe:]CURRent:AC:RESolution <resolution> selects the resolution for AC curren

122 Multimeter Command Reference Chapter 3CURRent[:DC]:APERture[SENSe:]CURRent[:DC]:APERture <number> sets the integration time in seconds fo

Multimeter Command Reference 123Chapter 3CURRent[:DC]:NPLC[SENSe:]CURRent[:DC]:NPLCycles <number> sets the integration time in power line cyc

124 Multimeter Command Reference Chapter 3CURRent[:DC]:RANGe[SENSe:]CURRent[:DC]:RANGe <range> selects the range for DC current measurements.

Multimeter Command Reference 125Chapter 3CURRent[:DC]:RANGe:AUTO[SENSe:]CURRent[:DC]:RANGe:AUTO <mode> enables or disables the autorange func

126 Multimeter Command Reference Chapter 3CURRent[:DC]:RESolution[SENSe:]CURRent[:DC]:RESolution <resolution> selects the resolution for DC c

Multimeter Command Reference 127Chapter 3DETector:BANDwidth[SENSe:]DETector:BANDwidth <bw> selects the slow, medium or fast filter based on t

128 Multimeter Command Reference Chapter 3DETector:BANDwidth?[SENSe:]DETector:BANDwidth? returns which ac filter has been selected. The value retur

Multimeter Command Reference 129Chapter 3FREQuency:VOLTage:RANGe[SENSe:]FREQuency:VOLTage:RANGe <range> selects the voltage range for the sig

NO POSTAGENECESSARYIF MAILEDIN THEUNITED STATESfold herePlease fold and tape for mailingReader Comment SheetHP E1312A/E1412A 6½-Digit Multimeter User’

130 Multimeter Command Reference Chapter 3FREQuency:VOLTage:RANGe:AUTO[SENSe:]FREQuency:VOLTage:RANGe:AUTO <mode> enables or disables the aut

Multimeter Command Reference 131Chapter 3FRESistance:APERture[SENSe:]FRESistance:APERture <number> sets the integration time in seconds for 4

132 Multimeter Command Reference Chapter 3FRESistance:NPLC[SENSe:]FRESistance:NPLCycles <number> sets the integration time in number of power

Multimeter Command Reference 133Chapter 3FRESistance:RANGe[SENSe:]FRESistance:RANGe <range> selects the range for 4-wire resistance measureme

134 Multimeter Command Reference Chapter 3FRESistance:RANGe:AUTO[SENSe:]FRESistance:RANGe:AUTO <mode> enables or disables the autorange funct

Multimeter Command Reference 135Chapter 3FRESistance:RESolution[SENSe:]FRESistance:RESolution <resolution> selects the resolution for 4-wire

136 Multimeter Command Reference Chapter 3PERiod:APERture[SENSe:]PERiod:APERture <time>|MIN|MAX sets the integration time in seconds. Values

Multimeter Command Reference 137Chapter 3PERiod:VOLTage:RANGe[SENSe:]PERiod:VOLTage:RANGe <range> selects the voltage range for the signal le

138 Multimeter Command Reference Chapter 3PERiod:VOLTage:RANGe:AUTO[SENSe:]PERiod:VOLTage:RANGe:AUTO <mode> enables or disables the autorange

Multimeter Command Reference 139Chapter 3RESistance:APERture[SENSe:]RESistance:APERture <number> sets the integration time in seconds for 2-w

140 Multimeter Command Reference Chapter 3RESistance:NPLC[SENSe:]RESistance:NPLCycles <number> sets the integration time in power line cycles

Multimeter Command Reference 141Chapter 3RESistance:RANGe[SENSe:]RESistance:RANGe <range> selects the range for 2-wire resistance measurement

142 Multimeter Command Reference Chapter 3Example Query the Measurement RangeRES:RANG 100Select 100Ω range.RES:RANG?Query multimeter to return the p

Multimeter Command Reference 143Chapter 3RESistance:RESolution[SENSe:]RESistance:RESolution <resolution> selects the resolution for 2-wire re

144 Multimeter Command Reference Chapter 3Example Query the ResolutionRES:RES 10E-03Set resolution to 10 mΩ.RES:RES?Query multimeter to return the p

Multimeter Command Reference 145Chapter 3Example Query the Measurement RangeVOLT:AC:RANG 10Select 10V range.VOLT:AC:RANG?Query multimeter to return

146 Multimeter Command Reference Chapter 3VOLTage:AC:RESolution[SENSe:]VOLTage:AC:RESolution <resolution> selects the resolution for AC volta

Multimeter Command Reference 147Chapter 3VOLTage[:DC]:APERture[SENSe:]VOLTage[:DC]:APERture <number> sets the integration time in seconds for

148 Multimeter Command Reference Chapter 3VOLTage[:DC]:NPLC[SENSe:]VOLTage[:DC]:NPLC <number> sets the integration time in power line cycles

Multimeter Command Reference 149Chapter 3VOLTage[:DC]:RANGe[SENSe:]VOLTage[:DC]:RANGe <range> selects the range for DC voltage measurements.P

HP E1312A and HP E1412A Multimeter Module Setup 15Chapter 1Chapter 1HP E1312A and HP E1412A MultimeterModule SetupUsing This ChapterThis chapter pro

150 Multimeter Command Reference Chapter 3VOLTage[:DC]:RANGe:AUTO[SENSe:]VOLTage[:DC]:RANGe:AUTO <mode> enables or disables the autorange fun

Multimeter Command Reference 151Chapter 3VOLTage[:DC]:RESolution[SENSe:]VOLTage[:DC]:RESolution <resolution> selects the resolution for DC vo

152 Multimeter Command Reference Chapter 3Example Query the ResolutionVOLT:DC:RES 1E-03Set resolution to 1 mV.VOLT:DC:RES?Query multimeter to return

Multimeter Command Reference 153Chapter 3STATusThe STATus subsystem reports the bit values of the Questionable Data/Signal Register. It also allows

154 Multimeter Command Reference Chapter 3:QUEStionable:ENABle?STATus:QUEStionable:ENABle? returns a decimal-weighted number representing the bits

Multimeter Command Reference 155Chapter 3SYSTemThe SYSTem command subsystem returns error numbers and their associated messages from the error queue

156 Multimeter Command Reference Chapter 3TRIGgerThe TRIGger command subsystem controls the behavior of the trigger system. The subsystem can contro

Multimeter Command Reference 157Chapter 3:COUNt?TRIGger:COUNt? [MIN|MAX] returns one of the following numbers to the output buffer:• The present tr

158 Multimeter Command Reference Chapter 3:DELay?TRIGger:DELay? [MIN|MAX] returns one of the following numbers to the output buffer:• The present t

Multimeter Command Reference 159Chapter 3:DELay:AUTO?TRIGger:DELay:AUTO? returns a number to show whether the automatic trigger delay mode is on or

16 HP E1312A and HP E1412A Multimeter Module Setup Chapter 1Setting the Module Address SwitchThe logical address switch factory setting is 24. Valid

160 Multimeter Command Reference Chapter 3:SOURceTRIGger:SOURce <source> configures the trigger system to respond to the specified source. Th

Multimeter Command Reference 161Chapter 3:SOURce?TRIGger:SOURce? returns “BUS”, “EXT”, “IMM” or “TTLTrg0 - 7” to show the present trigger source.

162 Multimeter Command Reference Chapter 3IEEE 488.2 Common Command Quick ReferenceThe table below lists, by functional group, the IEEE 488.2 Common

Multimeter Command Reference 163Chapter 3*CLS*CLS clears the Standard Event Status Register, the Operation Status Register, the Questionable Signal

164 Multimeter Command Reference Chapter 3*ESR?*ESR? returns the value of the Standard Event Status Register. The register is then cleared (all bit

Multimeter Command Reference 165Chapter 3*OPC?*OPC? causes the HP E1312A and HP E1412A to wait for all pending operations to complete. A single ASC

166 Multimeter Command Reference Chapter 3Comments • Executable when Initiated: Yes• Coupled Command: No• *RST Condition: unaffected• Power-On Condi

Multimeter Command Reference 167Chapter 3SCPI Command Quick ReferenceThe following tables summarize SCPI commands for the HP E1312A B-size and HP E1

168 Multimeter Command Reference Chapter 3Command DescriptionCONFigure :CURRent:AC [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]]

Multimeter Command Reference 169Chapter 3Command Description[SENSe:] FUNCtion “function”FUNCtion?CURRent:AC:RANGe <range>|MIN|MAXCURRent:AC:RA

HP E1312A and HP E1412A Multimeter Module Setup 17Chapter 1Interrupt PriorityThe HP E1312A and HP E1412A Multimeters are VXIbus interrupters. Howeve

170 Multimeter Command Reference Chapter 3Command Description[SENSe:] VOLTage:AC:RANGe <range>|MIN|MAXVOLTage:AC:RANGe? [MIN|MAX]VOLTage:AC:RA

HP E1312A and HP E1412A Multimeter Specifications 171Appendix AAppendix AHP E1312A and HP E1412A Multimeter SpecificationsDC CharacteristicsAccuracy

172 HP E1312A and HP E1412A Multimeter Specifications Appendix ADC Characteristics (continued)Measuring CharacteristicsDC VoltageMeasurement Method:

HP E1312A and HP E1412A Multimeter Specifications 173Appendix ADC Characteristics (continued)Operating Characteristics [8]System Speeds [10]Function

174 HP E1312A and HP E1412A Multimeter Specifications Appendix AAC CharacteristicsAccuracy Specifications ± (% of reading + % of range) [1]Function

HP E1312A and HP E1412A Multimeter Specifications 175Appendix AAC Characteristics (continued)Measuring CharacteristicsMeasurement Noise Rejection [7

176 HP E1312A and HP E1412A Multimeter Specifications Appendix AAC Characteristics (continued)Operating CharacteristicsSystem Speeds [10], [11]Funct

HP E1312A and HP E1412A Multimeter Specifications 177Appendix AFrequency and Period CharacteristicsAccuracy Specifications ±(% of reading) [1] [4]Ad

178 HP E1312A and HP E1412A Multimeter Specifications Appendix AFrequency and Period Characteristics (continued)Operating Characteristics [5]System

HP E1312A and HP E1412A Multimeter Specifications 179Appendix AGeneral SpecificationsOvervoltage Category 1 (1500V peak max impulse)HP E1312A and HP

18 HP E1312A and HP E1412A Multimeter Module Setup Chapter 1Figure 1-2. Multimeter Measurement Terminals

180 HP E1312A and HP E1412A Multimeter Specifications Appendix ATo Calculate Total Measurement ErrorEach specification includes correction factors w

HP E1312A and HP E1412A Multimeter Specifications 181Appendix ATotal Measurement ErrorTo compute the total measurement error, add the reading error

182 HP E1312A and HP E1412A Multimeter Specifications Appendix AInterpreting Multimeter SpecificationsThis section is provided to give you a better

HP E1312A and HP E1412A Multimeter Specifications 183Appendix AAccuracyAccuracy is a measure of the “exactness” to which the multimeter's measu

184 HP E1312A and HP E1412A Multimeter Specifications Appendix AConfiguring for High Accuracy MeasurementsThe measurement configurations shown below

HP E1312A and HP E1412A Multimeter Error Messages 185Appendix BAppendix BHP E1312A and HP E1412A MultimeterError MessagesThe following sections desc

186 HP E1312A and HP E1412A Multimeter Error Messages Appendix B-112 Program mnemonic too longA command header was received which contained more tha

HP E1312A and HP E1412A Multimeter Error Messages 187Appendix B-160 to -168 Block data errorsThe multimeter does not accept block data. -170 to -178

188 HP E1312A and HP E1412A Multimeter Error Messages Appendix B-330 Self-test failedThe multimeter’s complete self-test failed from the remote inte

HP E1312A and HP E1412A Multimeter Error Messages 189Appendix B532 Cannot achieve requested resolutionThe multimeter cannot achieve the requested me

HP E1312A and HP E1412A Multimeter Module Setup 19Chapter 1Multimeter Functional ConnectionsFigure 1-3. Switch Module Analog Bus ConnectionsFigure 1

190 HP E1312A and HP E1412A Multimeter Error Messages Appendix B621 AC rms full scale failed622 Frequency counter failed623 Cannot calibrate prechar

HP E1312A and HP E1412A Multimeter Error Messages 191Appendix B709 No cal for this function or rangeYou cannot perform calibrations for ac current,

192 HP E1312A and HP E1412A Multimeter Error Messages Appendix BNotes:

Measurement Speed and Accuracy Trade-offs 193Appendix CAppendix CMeasurement Speed and Accuracy Trade-offsThe HP E1312A and HP E1412A Multimeters we

194 Measurement Speed and Accuracy Trade-offs Appendix CSpeed AdvantageUsing the SpecialNon-SCPICommands(F1-F4 and R1-R7)You can save approximately

Measurement Speed and Accuracy Trade-offs 195Appendix CHP E1312A/E1412A Resolution Using Special Functions and RangesResolution remains a function o

196 Measurement Speed and Accuracy Trade-offs Appendix CGeneral Guidelines for Increasing Measurement SpeedThe following guidelines show how to incr

Measurement Speed and Accuracy Trade-offs 197Appendix CSet Autozero toONCE or OFFAutozero causes the A/D to alternately measure its internal zero an

198 Measurement Speed and Accuracy Trade-offs Appendix CSetting the Resolution The aperture time or NPLC is set as a result of specifying the <re

Index 199IndexHP E1312A/E1412A User’s Manual and SCPI Programming GuideNumerics2-Wire Ohms Measurementaperture time, 139connections, 21, 30integrati

2 ContentsChapter 2HP E1312A/E1412A Multimeter Application Information (continued)Frequency and Period Measurement Errors...

20 HP E1312A and HP E1412A Multimeter Module Setup Chapter 1Figure 1-5. Voltage Measurement ConnectionsFigure 1-6. Voltage Ratio (Vdc) Measurement C

200 Index A (continued)Autorange (continued)querying4-wire resistance, 1344-wire resistance measurements, 134ac current measurements, 120ac voltage m

Index 201C (continued)Command Reference (continued)DATA subsystem, 97FETCh? command, 98INITiate subsystem, 99INPut subsystem, 100MEASure subsystem,

202 Index C (continued)Current (continued)ac (continued)range/resolution, 87, 102resolution, 121specifications, 174–176true RMS measurements, 32–35dc

Index 203EEnablingautomatic input impedance, 100autorange2-wire ohms function, 92, 1074-wire ohms function, 105, 134ac current function, 87, 102, 12

204 Index F (continued)Functional Connections (continued)current measurement, 22frequency measurement, 19measurement, 19–22period measurement, 19volt

Index 205MMagnetic Loops Noise, 28Making Multimeter Measurements, 53–56externally triggered measurements, 54maximizing accuracy, 56maximizing speed,

206 Index M (continued)Memoryquery readings stored, 97retrieving measurements stored, 98Message Available Bit (MAV), 60, 62monitoring, 62Minimum Aver

Index 207P (continued)Power Linecycles, 27, 38, 123, 132, 140, 148noise, rejecting voltages, 27Programming the Multimeter, 15, 22–23QQueryingac filt

208 Index R (continued)READ? Command, 113, 198Readingsaverage, 74error, 180queue, 155per trigger, 51, 114–115stored in memory, 97–98, 198transfer to

Index 209S (continued)[SENSe:] Subsystem, 116–152[SENS:]FUNCtion, 118[SENS:]FUNCtion?, 118[SENS:]CURRent:AC:RANGe, 119[SENS:]CURRent:AC:RANGe:AUTO,

HP E1312A and HP E1412A Multimeter Module Setup 21Chapter 1Figure 1-7. 2-Wire Ohms Measurement ConnectionsFigure 1-8. 4-Wire Ohms Measurement Connec

210 Index S (continued)Setting (continued)resolution, 15, 38, 1982-wire ohms, 92, 107, 1434-wire ohms, 90, 105, 135ac current, 87, 102, 121ac voltage

Index 211T (continued)Trigger Source (continued)IMMediate, 46–47, 160querying, 47, 161selecting, 46–48, 160TTL VXIbus triggers (TTLTrg0-TTLTrg7), 46

212 Index Notes:

22 HP E1312A and HP E1412A Multimeter Module Setup Chapter 1Initial OperationTo program the Multimeter using SCPI, you must select the interface add

HP E1312A and HP E1412A Multimeter Module Setup 23Chapter 1#include <stdio.h>#include <visa.h>/*** FUNCTION PROTOTYPE ***/void err_handl

24 HP E1312A and HP E1412A Multimeter Module Setup Chapter 1Notes:

HP E1312A/E1412A Multimeter Application Information 25Chapter 2Chapter 2HP E1312A/E1412A Multimeter ApplicationInformation Using This ChapterThis ch

26 HP E1312A/E1412A Multimeter Application Information Chapter 2Loading Errors(dc volts)Measurement loading errors occur when the resistance of the

HP E1312A/E1412A Multimeter Application Information 27Chapter 2Rejecting PowerLine NoiseVoltagesA desirable characteristic of integrating analog-to-

28 HP E1312A/E1412A Multimeter Application Information Chapter 2Noise Caused byMagnetic LoopsIf you are making measurements near magnetic fields, yo

HP E1312A/E1412A Multimeter Application Information 29Chapter 2Resistance MeasurementsThe HP E1312A and HP E1412A offer two methods for measuring re

Contents 3Chapter 3Multimeter Command Reference (continued)CALCulate...

30 HP E1312A/E1412A Multimeter Application Information Chapter 2Removing FieldWiring ResistanceErrorsin 2-Wire OhmsMeasurementsField wiring can caus

HP E1312A/E1412A Multimeter Application Information 31Chapter 2Power DissipationEffectsWhen measuring resistors designed for temperature measurement

32 HP E1312A/E1412A Multimeter Application Information Chapter 2DC Current Measurement ErrorsWhen you connect the multimeter in series with a test c

HP E1312A/E1412A Multimeter Application Information 33Chapter 2determine this value by combining results from dc and ac measurements as shown below.

34 HP E1312A/E1412A Multimeter Application Information Chapter 2Loading Errors(ac volts)In the ac voltage function, the input of the HP E1312A and H

HP E1312A/E1412A Multimeter Application Information 35Chapter 2Low-LevelMeasurementErrorsWhen measuring ac voltages less than 100mV, be aware that t

36 HP E1312A/E1412A Multimeter Application Information Chapter 2AC Current Measurement ErrorsBurden voltage errors, which apply to dc current, also

HP E1312A/E1412A Multimeter Application Information 37Chapter 2Measurement ConfigurationThis section contains information to help you configure the

38 HP E1312A/E1412A Multimeter Application Information Chapter 2Resolution Resolution is expressed in terms of number of digits the multimeter can m

HP E1312A/E1412A Multimeter Application Information 39Chapter 2Integration Time Integration time is the period during which the multimeter’s analog-

4 ContentsChapter 3Multimeter Command Reference (continued)FETCh?...

40 HP E1312A/E1412A Multimeter Application Information Chapter 2Autozero Autozero applies to dc voltage, dc current and 2-wire resistance measuremen

HP E1312A/E1412A Multimeter Application Information 41Chapter 2Math Operations (CALCulate Subsystem)This sections provides more information about us

42 HP E1312A/E1412A Multimeter Application Information Chapter 2Two Ways to Store theNULL Offset Value• The null value is stored in the multimeter’s

HP E1312A/E1412A Multimeter Application Information 43Chapter 2Storing the dBReference ValueDo not confuse this operation with the dBm reference (DB

44 HP E1312A/E1412A Multimeter Application Information Chapter 2LIMit Function The limit test operation enables you to perform pass/fail testing aga

HP E1312A/E1412A Multimeter Application Information 45Chapter 2Triggering the MultimeterThis section discusses the multimeter’s trigger system and o

46 HP E1312A/E1412A Multimeter Application Information Chapter 2Triggering the multimeter is a multi-step process that offers triggering flexibility

HP E1312A/E1412A Multimeter Application Information 47Chapter 2Checking theTrigger SourceThe TRIGger:SOURce? command returns “BUS”, “EXT”, “IMM”, or

48 HP E1312A/E1412A Multimeter Application Information Chapter 2Bus Triggering The multimeter is triggered from the VXIbus. This mode is selected wi

HP E1312A/E1412A Multimeter Application Information 49Chapter 2Example: Setting theTrigger CountIn the following example, one DC voltage measurement

Contents 5Chapter 3Multimeter Command Reference (continued)[SENSe:] (continued)FREQuency:VOLTage:RANGe ...

50 HP E1312A/E1412A Multimeter Application Information Chapter 2Default Delays If you do not specify a trigger delay, the multimeter automatically d

HP E1312A/E1412A Multimeter Application Information 51Chapter 2Querying theDelay TimeThe TRIGger:DELay? [MINimum|MAXimum] command returns one of the

52 HP E1312A/E1412A Multimeter Application Information Chapter 2HP E1312A and HP E1412A Multimeter Application ExamplesThis section contains example

HP E1312A/E1412A Multimeter Application Information 53Chapter 2Hardware Used 486 IBM compatible computer running Windows 3.1. The computer has an HP

54 HP E1312A/E1412A Multimeter Application Information Chapter 2The measurement process restarts when there is again room to store readings in the o

HP E1312A/E1412A Multimeter Application Information 55Chapter 2• Trigger source (TRIG:SOUR) is set for an external trigger. A trigger count (TRIG:CO

56 HP E1312A/E1412A Multimeter Application Information Chapter 2MEASURE4Source Code FileMaximizing Accuracy (most accurate resolution, longer integr

HP E1312A/E1412A Multimeter Application Information 57Chapter 2Synchronizing theMultimeter With aSwitch ModuleThis program example demonstrates how

58 HP E1312A/E1412A Multimeter Application Information Chapter 2This example monitors the switch module’s status system. The switch module’s status

HP E1312A/E1412A Multimeter Application Information 59Chapter 2HP E1412A SCANSource Code FileSee SCAN1312 Example Program for HP E1312A Code (The HP

6 ContentsChapter 3Multimeter Command Reference (continued)[SENSe:] (continued)VOLTage[:DC]:RESolution? ...

60 HP E1312A/E1412A Multimeter Application Information Chapter 2Multimeter StatusSystem ExamplesThere are two program examples that demonstrate how

HP E1312A/E1412A Multimeter Application Information 61Chapter 2SYNCHOPCSource Code FileThis program has the multimeter take 10 measurements. The Sta

62 HP E1312A/E1412A Multimeter Application Information Chapter 2SYNCHMAVSource Code FileThis program has the multimeter take 10 measurements just li

HP E1312A/E1412A Multimeter Application Information 63Chapter 2LIMITTSTSource Code FileThis program has the multimeter making measurements continuou

64 HP E1312A/E1412A Multimeter Application Information Chapter 2HP VEEProgrammingExampleHP VEE is HP’s Visual Engineering Environment, a graphical p

HP E1312A/E1412A Multimeter Application Information 65Chapter 2Program Description The instruments are programmed using Direct I/O objects connected

66 HP E1312A/E1412A Multimeter Application Information Chapter 2See your HP VEE documentation and on-line help for more detail on test and measureme

Multimeter Command Reference 67Chapter 3Chapter 3Multimeter Command ReferenceUsing This ChapterThis chapter describes the Standard Commands for Prog

68 Multimeter Command Reference Chapter 3CommandSeparatorA colon (:) always separates one command from the next lower level command as shown below:C

Multimeter Command Reference 69Chapter 3Parameters Parameter Types. The following table contains explanations and examples of parameter types you mi

Contents 7Appendix BHP E1312A and HP E1412A Multimeter Error Messages ...185Execution Errors ...

70 Multimeter Command Reference Chapter 3Multimeter Range and Resolution TablesThe following tables list the voltage and resistance ranges available

Multimeter Command Reference 71Chapter 3SCPI Command ReferenceThis section describes the Standard Commands for Programmable Instruments (SCPI) for t

72 Multimeter Command Reference Chapter 3ABORtThe ABORt command subsystem removes the multimeter from the wait-for-trigger state and places it in th

Multimeter Command Reference 73Chapter 3CALCulateThere are five math operations available (AVERage, DB, DBM, LIMit, and NULL), only one can be enabl

74 Multimeter Command Reference Chapter 3:AVERage:AVERage?CALCulate:AVERage:AVERage? reads the average of all readings taken since AVERage was enabl

Multimeter Command Reference 75Chapter 3:DB:REFerenceCALCulate:DB:REFerence <value>|MIN|MAX stores a relative value in the dB Relative Regist

76 Multimeter Command Reference Chapter 3:FUNCtionCALCulate:FUNCtion AVERage|DB|DBM|LIMit|NULL selects the math function to be used. One function is

Multimeter Command Reference 77Chapter 3:LIMit:LOWerCALCulate:LIMit:LOWer <value>|MIN|MAX sets the lower limit for limit testing. You can set

78 Multimeter Command Reference Chapter 3:NULL:OFFSetCALCulate:NULL:OFFSet <value>|MIN|MAX stores a null value in the multimeter’s Null Regis

Multimeter Command Reference 79Chapter 3CALibrationThe CALibration command subsystem allows you to enter a security code to prevent accidental or un

8 ContentsNotes:

80 Multimeter Command Reference Chapter 3:LFRequency?CALibration:LFRequency? queries the line frequency setting. Comments This command returns +50 f

Multimeter Command Reference 81Chapter 3:SECure:STATeCALibration:SECure:STATe OFF|ON, <code> unsecures or secures the multimeter for calibrati

82 Multimeter Command Reference Chapter 3Example Enter Calibration Information to Record the Next Calibration DateCAL:STR ’Cal 4/4/YY, Due 10/4/YY’E

Multimeter Command Reference 83Chapter 3:ZERO:AUTOCALibrate:ZERO:AUTO <mode> enables or disables the autozero mode. Autozero applies to dc vo

84 Multimeter Command Reference Chapter 3CALibration?CALibration? performs a calibration using the specified calibration value set by the CALibrati

Multimeter Command Reference 85Chapter 3CONFigureThe CONFigure command subsystem configures the multimeter to perform the specified measurement with

86 Multimeter Command Reference Chapter 3or resolution different from the default value prior to executing the CONFigure command. The following tabl

Multimeter Command Reference 87Chapter 3:CURRent:ACCONFigure:CURRent:AC [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects t

88 Multimeter Command Reference Chapter 3:CURRent[:DC]CONFigure:CURRent[:DC] [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] sele

Multimeter Command Reference 89Chapter 3:FREQuencyCONFigure:FREQuency [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects the

9CertificationHewlett-Packard Company certifies that this product met its published specifications at the time of shipment from the factory. Hewlet

90 Multimeter Command Reference Chapter 3:FRESistanceCONFigure:FRESistance [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selec

Multimeter Command Reference 91Chapter 3:PERiodCONFigure:PERiod [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects the period

92 Multimeter Command Reference Chapter 3:RESistanceCONFigure:RESistance [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects

Multimeter Command Reference 93Chapter 3:VOLTage:ACCONFigure:VOLTage:AC [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] selects t

94 Multimeter Command Reference Chapter 3[:VOLTage[:DC]]CONFigure[:VOLTage[:DC]] [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|MAX|DEF]] s

Multimeter Command Reference 95Chapter 3[:VOLTage[:DC]]:RATioCONFigure[:VOLTage[:DC]]:RATio [<range>|MIN|MAX|DEF|AUTO[,<resolution>|MIN|

96 Multimeter Command Reference Chapter 3CONFigure?The CONFigure? command queries the multimeter to return the configuration set by the most recent

Multimeter Command Reference 97Chapter 3DATAThe multimeter can store up to 512 readings in internal memory. The DATA command allows you to determine

98 Multimeter Command Reference Chapter 3FETCh?The FETCh? command retrieves measurements stored in the module’s internal memory by the most recent I

Multimeter Command Reference 99Chapter 3INITiateThe INITiate command subsystem places the multimeter in the wait-for-trigger state. This command is