Agilent Technologies 6834B Changing the Calibration Password, Saving the Calibration Constants

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B - Verification and Calibration

Calibrating the Output Impedance (Agilent 6843A only)

NOTE: The output voltage and output current must be calibrated before the output impedance can be calibrated.

Action

Display

32.Connect only the output impedance resistor across the output of the ac source. Do not connect any other equipment.

33. Press Shift Calibration, scroll to the CAL IMP command, and press Enter.

CAL:IMP

34.Wait for the ac source to compute the output impedance calibration constant. The display returns to Meter mode when the calculation is complete.

The ac source is now holding the new impedance calibration constants in RAM

Saving the Calibration Constants

CAUTION: Storing calibration constants overwrites the existing ones in non-volatile memory. If you are not sure you want to permanently store the new constants, omit this step. The ac source calibration will then remain unchanged.

 

Action

Display

35.

Press Shift Calibration, scroll to CAL SAVE, and press Enter.

CAL:SAVE

36.

Press Shift Calibration, select CAL OFF, and press Enter to exit Calibration

CAL OFF

 

mode. *RST and *RCL will also set the calibration state to OFF.

 

Changing the Calibration Password

The factory default password is 0. You can change the password when the ac source is in calibration mode (which requires you to enter the existing password). Proceed as follows:

 

Action

Display

1.

Begin by pressing Shift Calibration and scrolling to the CAL ON command.

CAL ON 0.0

2.Enter the existing password from Entry keypad and press Enter

3.

Press Shift Calibration and scroll to the CAL PASS command.

CAL:PASS 0

4.Enter the new password from the keypad. You can use any number with up to six digits and an optional decimal point. If you want the calibration function to operate without requiring any password, change the password to 0 (zero).

NOTE: If you want the calibration function to operate without requiring any password, change the password to 0 (zero).

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Contents AC Power Solutions Agilent Models 6814B, 6834B, and 6843A User’s GuideWarranty Information CertificationSafety Summary GeneralSafety Symbols Declaration EMCAcoustic Noise Information Printing HistoryTable of Contents Error Number List Specifications Supplemental CharacteristicsPerforming the Calibration Procedure Entry Keys Examples of Front Panel ProgrammingDocument Orientation TopicLocation Option Description Safety ConsiderationsOptions, Accessories, and User Replaceable Parts Agilent Part NumberDescription CapabilitiesModel Description Output Characteristic Front Panel/Remote OperationRanges AC Source Output Characteristic in real-time mode Output VA CapabilityPage Damage Packaging Material CleaningInspection Items SuppliedRack Mounting LocationBench Operation Not block the fan exhaust at the rear of the unitInstalling the Power Cord Input ConnectionsInput Source and Line Fuse Output Connections Output ConnectionsCurrent Ratings Wire ConsiderationsVoltage Drops Ampacity and Resistance of Stranded Copper ConductorsRemote Sense Connections Remote Sense ConnectionsOVP Considerations Trigger ConnectionsDigital Connections Output RatingGpib Connector Controller ConnectionsRS-232 Interface Interface CommandsRS-232 Connector RS-232 Data FormatHardware Handshake Null Modem Interface Lines Response Data TerminatorIntroduction Preliminary CheckoutUsing the Keypad Checkout ProcedureProcedure Display Explanation VoltProtclear Currprot VoltprotCurrlev Currprot OFFError Messages Case of TroubleLine Fuse Page Front Panel Description Front Panel, Overall ViewAC+DC Display Command Function System KeysAnnunciator On Phase Selected Function KeysImmediate Action Keys Display Measurement Scrolling KeysMeter Display Keys KBESSEL, RectOutput Control Keys DisplayRST Protection and Status Control Keys CLSIMM Trigger and List Control KeysInitimmed AbortEntry Keys Through Are used for entering numeric values Is the decimalExamples of Front Panel Programming Setting the Output Voltage AmplitudeProcedure for Single-Phase AC Sources Set the output to 120 V rms as followsAction Display Procedure for Three-Phase AC SourcesPhase 3 to 235 Vrms To verify the output, you can measure it as followsSetting the Output Frequency Setting a Protection FeatureOvercurrent protection feature as follows Voltt Using Transient Voltage ModesStep Transient Voltm StepWidth Pulse TransientVoltm Pulse DcycleList Transient ActionVoltm Fixed Voltm List Count Trigger Delays and Phase Synchronization Volt EOL Step AutoSyncsour Phase Example DisplaySyncphas Initimmed Voltm Step Syncsour Phase Syncphas Initimmed ExampleUsing Slew Rates to Generate Waveforms Programming Slew RatesStep Slewm Voltm FixedSlew SlewtRange Syncsour Phase SyncphasMeasuring Peak Inrush Current CurrpeakSaving and Recalling Operating States Setting the Gpib Address and RS-232 ParametersTo configure the RS-232 interface, proceed as follows Action Display To set the Gpib address, proceed as followsAddress Noutputs Specifications Table A-1. Performance Specifications1Agilent 6814B Agilent 6834B Agilent 6843A Supplemental Characteristics Table A-2. Supplemental CharacteristicsSpecifications a Page Characteristics Equipment RequiredRecommended Model Test Setup Turn-On Checkout ProcedurePerforming the Verification Tests Voltage Programming and Measurement Accuracy RMS Current Readback AccuracyAction Normal Result Agilent 6834B Current Measurement Accuracy Performing the Calibration ProcedureAgilent 6814B Current Measurement Accuracy Agilent 6843A Current Measurement AccuracyEnable Calibration Mode Front Panel CalibrationFront Panel Calibration Menu Calibrating and Entering Voltage Calibration Values Calibrating the OVP trip pointCalibrating and Entering Current Calibration Values Saving the Calibration Constants Changing the Calibration PasswordCalibrating the Output Impedance Agilent 6843A only CalpassCalibration Over the Gpib Calibration Error MessagesTable B-3. Gpib Calibration Error Messages Agilent Calibration Program ListingFigure B-2. Calibration Program Listing Sheet 1 Figure B-2. Calibration Program Listing Sheet 2 Page Error Number List Table C-1. Error NumbersError Messages Error Messages C Page Index Index Index Europe Asia Pacific United States Latin AmericaCanada Australia/New Zealand JapanManual Updates
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