Agilent Technologies N3280A United States Latin America, Canada Australia/New Zealand, Japan

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Agilent Sales and Support Office

For more information about Agilent Technologies test and measurement products, applications, services, and for a current sales office listing, visit our web site: http://www.agilent.com/find/tmdir

You can also contact one of the following centers and ask for a test and measurement sales representative.

United States:	Latin America:
Agilent Technologies	Agilent Technologies
Test and Measurement Call Center	Latin American Region Headquarters
P.O. Box 4026	5200 Blue Lagoon Drive, Suite #950
Englewood, CO 80155-4026	Miami, Florida 33126
(tel) 1 800 452 4844	U.S.A.
	(tel) (305) 267 4245
	(fax) (305) 267 4286

Canada:	Australia/New Zealand:
Agilent Technologies Canada Inc.	Agilent Technologies Australia Pty Ltd
5150 Spectrum Way	347 Burwood Highway
Mississauga, Ontario	Forest Hill, Victoria 3131
L4W 5G1	(tel) 1-800 629 485 (Australia)
(tel) 1 877 894 4414	(fax) (61 3) 9272 0749
	(tel) 0 800 738 378 (New Zealand)
	(fax) (64 4) 802 6881

Europe:	Asia Pacific:
Agilent Technologies	Agilent Technologies
Test & Measurement European Marketing Organisation	24/F, Cityplaza One, 1111 King's Road,
P.O. Box 999	Taikoo Shing, Hong Kong
1180 AZ Amstelveen	tel: (852)-3197-7777
The Netherlands	fax: (852)-2506-9284
(tel) (31 20) 547 9999
Japan:
Agilent Technologies Japan Ltd.
Measurement Assistance Center
9-1, Takakura-Cho, Hachioji-Shi,
Tokyo 192-8510, Japan
(tel) (81) 426 56 7832
(fax) (81) 426 56 7840
Technical data is subject to change.

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Contents Agilent Technologies Model N3280A Component Test DC Source USER’S GuideCertification Warranty InformationGeneral Safety SummarySafety Symbols Declaration Printing History Acoustic Noise InformationTable of Contents Gpib Capabilities of the DC Source Introduction to Scpi Types of Scpi CommandsScpi Command Completion Using Device Clear External ReferencesStatus Commands Scpi Programming Commands At a Glance Calibration CommandsMeasurement Commands Output CommandsVoltage Priority Tests System CommandsTrigger Commands Common CommandsRipple and Noise Tests Error Number List 103Transient Response Tests Page Document Orientation Safety ConsiderationsOption Description Options and AccessoriesDescription Remote ProgrammingVoltage Priority Operation Output CharacteristicsCurrent Priority Operation Output Characteristic Current PriorityMeasurement Characteristics Start of a Measurement Additional Items CleaningInspection Damage Packaging MaterialDo not block the fan exhaust at the rear of the unit LocationBench Operation Rack MountingConnect the Power Cord Power ConnectionsOutput Connections Turn the unit off before connecting any wiresOutputs 1 AWG No Maximum Ampacity Resistance at 20 deg. C Free air Current RatingsVoltage Drops and Lead Resistance Ampacity and Resistance of Stranded Copper ConductorsGuard Connections for Test Fixtures Coaxial Guard ConnectionsOVP Considerations External Trigger ConnectionsComputer Connections Maintaining StabilityGpib Address Settings for Power Module Configuration SwitchSwitch Setting Switch Setting AddressFront Panel Description Procedure Checkout ProcedureExplanation Case of Trouble Selftest Error MessagesRuntime Error Messages Power-On Selftest ErrorsPage Scpi References External ReferencesGpib Capabilities of the DC Source Gpib ReferencesIntroduction to Scpi Types of Scpi CommandsConventions Used in This Guide Moving Among Subsystems Multiple Commands in a MessageIncluding Common Commands Using QueriesMessage Unit Types of Scpi MessagesChannel List Parameter Scpi Data Formats Class Suffix Unit Unit with Multiplier Scpi Command CompletionSuffixes and Multipliers Response Data TypesOutputstate Example Using Device ClearPage Enabling the Output Power-on InitializationIntroduction Programming the OutputOvervoltage Protection Output ModeOutput Current Oscillation Protection Triggering Output ChangesOutput Trigger Model Enabling the Output Trigger System Setting the Voltage and Current Trigger LevelsSelecting the Output Trigger Source Generating Output Triggers Making MeasurementsAverage Measurements Measurement Samples and Time Interval Power Line CyclesReturning All Measurement Data From the Data Buffer Triggered MeasurementsCurrent Ranges Window FunctionsEnabling the Measurement Trigger System Measurement Trigger ModelSelecting the Measurement Trigger Source Selecting the Sensing Function Output Settling DelayGenerating Measurement Triggers Pre-trigger and Post-trigger Acquisition Pre-trigger and Post-trigger Data AcquisitionDC Source Status Model Programming the Status RegistersOperation Status Group Bit Configurations of Status RegistersMSS and RQS Bits Questionable Status GroupStandard Event Status Group Status Byte RegisterServicing Operation Status and Questionable Status Events Determining the Cause of a Service InterruptCommon Commands Subsystem CommandsProgramming Parameters Subsystem Commands Syntax Scpi Programming Commands At a GlanceSave new cal constants in non-volatile memory Sets the triggered output voltage in voltage priority mode Mode mode, @list DELayFUNCtion Mode mode, @list VOLTage Sets the output voltage in voltage priority modeOutput Programming Parameters Common Commands SyntaxESE n SRE nCALibrateCURRentMEASure Calibration CommandsCALibrateCURRent CALibrateCURRentLIMitPOSitive CALibrateCURRentLIMitNEGativeCALibrateLEVel CALibratePASSwordCALibrateDATA CALibrateDATECALibrateSTATe CALibrateSAVECALibrateVOLTage Query Syntax Measurement CommandsFETChARRayCURRent? FETChARRayVOLTage? FETChCURRent? FETChVOLTage?Enter values greater than 0.015A MEASureARRayCURRent? MEASureARRayVOLTage?MEASureCURRent? MEASureVOLTage? SENSeCURRentRANGeQuery Syntax SENSeFUNCtion? @channel list SENSeFUNCtionSENSeSWEepNPLCycles SENSeSWEepOFFSetPOINtsSENSeSWEepTINTerval SENSeSWEepPOINtsSENSeWINDow OUTPutPROTectionCLEar Output CommandsOUTPut OUTPutOSCProtectSOURceCURRentLIMitBWIDth Default SuffixSOURceCURRentIMMediate SOURceCURRentTRIGgered SOURceCURRentLIMitIMMediate SOURceCURRentLIMitTRIGgeredSOURceDELayMODE SOURceDELaySOURceCURRentMODE SOURceCURRentLIMitMODE Query Syntax SOURceFUNCMODE? @channel list SOURceFUNCtionMODESOURceVOLTageALCBWIDth SOURceVOLTageIMMediate SOURceVOLTageTRIGgeredNR10 or SOURceVOLTageMODESOURceVOLTagePROTectionSTATe Query Syntax SOURceVOLTagePROTectionSTATe? @channel listSTATusOPERationEVENt? Status CommandsSTATusOPERationENABle Bit Configuration of Operation Status RegistersSTATusOPERationNTR STATusOPERationPTR STATusPRESetParameters Preset Value Command Syntax STATusPRESet Parameters None ExamplesSTATusQUEStionableNTR STATusQUEStionablePTR STATusQUEStionableENABleQuery Syntax STATusQUEStionableENABle? @channel list STATusQUEStionableCONDition?SYSTemERRor? System CommandsSYSTemVERSion? TRIGgerACQuire Trigger CommandsABORt INITiateNAMERST Value TRIGgerACQuireSOURceTRIGgerTRANsientSOURce TRIGgerTRANsientBit Configuration of Standard Event Status Enable Register Common CommandsCommand Syntax *CLS Parameters None Parameters Power-On Value ExamplesExample Field InformationQuery Syntax *OPT? Returned Parameters Aard RST Settings Power-on ValueQuery Syntax TST? Returned Parameters NR1 Bit Configuration of Status Byte RegisterTable A-1. Specifications Table A-2 Supplemental Characteristics Weight Output Common ModeSafety DimensionsFigure A-1. Output Impedance Graphs all outputs Equipment Required Measurement Techniques Performance & Verification TestsElectronic Load Test SetupProgramming Positive Current Limit +CL Program CommandsVoltage Priority Tests Voltage Programming and Readback AccuracyNegative Current Limit -CL Action Program CommandsCurrent Programming and Readback Accuracy Current Priority TestsVoltage Priority, Constant Voltage Load Effect Load Effect TestsVoltage Priority, -Current Limit Load Effect Test Voltage Priority, +Current Limit Load EffectCurrent Priority Constant Current Test Source Effect TestsVoltage Priority, Constant Voltage Source Effect Voltage Priority, -Current Limit Source Effect Voltage Priority, +Current Limit Source EffectCurrent Priority, Constant Current Source Effect Voltage Priority Ripple and Noise Ripple and Noise TestsTransient Response Tests Voltage Priority, Transient Recovery TimeCurrent Priority Ripple and Noise Figure B-2. Transient Waveform Voltage Priority Current Priority Transient Recovery TimeFigure B-3. Transient Waveform Current Priority Performance Test Equipment FormPerformance Test Record Form Enable Calibration Mode Performing the Calibration Procedure100 Negative Current Limit CalibrationPositive Current Limit Calibration 5A Range Current Measurement CalibrationSaving the Calibration Constants 15mA Range Current Measurement Calibration101 Error Meaning Changing the Calibration PasswordCalibration Error Messages Table B-3. Gpib Calibration Error MessagesTable C-1. Error Numbers Error Number List103 104 Error Messages105 Error Messages CPage 107 Line Voltage SelectionPage CHG-2010-J01010-KEP Earlier Version Output ConnectorsMating Connector Part Numbers Rear Panel Pinout AssignmentsPage 111 Index112 IndexScpi 113114 Japan United States Latin AmericaCanada Australia/New Zealand Europe Asia PacificManual Updates