Agilent Technologies 6814B, 6834B, 6843A manual Calibrating and Entering Voltage Calibration Values

Page 64

B - Verification and Calibration

Calibrating and Entering Voltage Calibration Values

Action

4.Connect the DVM (ac volts mode) directly to the ac source via the ratio transformer shown in Figure B-1. Do not connect the load resistor or current shunt.

5.Press Shift Calibration, scroll to CAL VOLT AC, and press Enter.

6.Press Shift Calibration, scroll to CAL LEV P1, and press Enter to select the first calibration point.

7.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

8.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P2 parameter, and press Enter. This selects the second calibration point.

9.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

10.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P3 parameter, and press Enter.

11.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

12.Press Shift Calibration, scroll to CAL LEV P1, use ° to scroll to the P4 parameter, and press Enter.

13.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

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

Calibrating and entering realtime voltage calibration values (Agilent 6843A only)

14.Press Shift Calibration, scroll to CAL VOLT RTIM, and press Enter.

15.Press Shift Calibration, scroll to CAL LEV P1, and press Enter.

16.Press Shift Calibration, scroll to CAL DATA, and use the Entry keypad to enter the voltage value displayed on the DVM. (Multiply the DVM readings by the transformer ratio if a ratio transformer is used.)

Calibrating the OVP trip point

17.Press Shift Calibration, scroll to CAL VOLT PROT, and press Enter.

18.Wait for the ac source to compute the OVP calibration constant. The display returns to Meter mode when the OVP calculation is complete.

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

19.If you are calibrating a 3-phase source , press Phase Select to select the next phase and repeat steps 4 through 13 and 17 and 18 for phases 2 and 3. The phase annunciators on the front panel indicate which phase is active.

Display

CAL:VOLT:AC

CAL:LEV P1

CAL:DATA 0.00

CAL:LEV P2

CAL:DATA 0.00

CAL:LEV P3

CAL:DATA 0.00

CAL:LEV P4

CAL:DATA 0.00

CAL:VOLT:RTIM

CAL:LEV P1

CAL:DATA 0.00

CAL:VOLT:PROT

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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 Specifications Supplemental Characteristics Performing the Calibration ProcedureError Number List Entry Keys Examples of Front Panel ProgrammingTopic Document OrientationLocation Safety Considerations Options, Accessories, and User Replaceable PartsOption Description Agilent Part NumberCapabilities DescriptionModel Description Front Panel/Remote Operation Output CharacteristicRanges AC Source Output Characteristic in real-time mode Output VA CapabilityPage Cleaning InspectionDamage Packaging Material Items SuppliedLocation Bench OperationRack Mounting Not block the fan exhaust at the rear of the unitInput Connections Installing the Power CordInput Source and Line Fuse Output Connections Output ConnectionsWire Considerations Voltage DropsCurrent Ratings Ampacity and Resistance of Stranded Copper ConductorsRemote Sense Connections Remote Sense ConnectionsTrigger Connections Digital ConnectionsOVP Considerations Output RatingGpib Connector Controller ConnectionsInterface Commands RS-232 ConnectorRS-232 Interface RS-232 Data FormatHardware Handshake Null Modem Interface Lines Response Data TerminatorIntroduction Preliminary CheckoutUsing the Keypad Checkout ProcedureVolt Procedure Display ExplanationProtclear Voltprot CurrlevCurrprot Currprot OFFCase of Trouble Error MessagesLine Fuse Page Front Panel Description Front Panel, Overall ViewAC+DC Display Command Function System KeysFunction Keys Annunciator On Phase SelectedImmediate Action Keys Scrolling Keys Meter Display KeysDisplay Measurement KBESSEL, RectOutput Control Keys DisplayRST Protection and Status Control Keys CLSTrigger and List Control Keys InitimmedIMM AbortEntry Keys Through Are used for entering numeric values Is the decimalSetting the Output Voltage Amplitude Procedure for Single-Phase AC SourcesExamples of Front Panel Programming Set the output to 120 V rms as followsProcedure for Three-Phase AC Sources Phase 3 to 235 VrmsAction Display To verify the output, you can measure it as followsSetting a Protection Feature Setting the Output FrequencyOvercurrent protection feature as follows Using Transient Voltage Modes Step TransientVoltt Voltm StepPulse Transient Voltm PulseWidth DcycleAction List TransientVoltm Fixed Voltm List Count Trigger Delays and Phase Synchronization Volt EOL Step AutoExample Display Syncsour PhaseSyncphas Initimmed Voltm Step Syncsour Phase Syncphas Initimmed ExampleUsing Slew Rates to Generate Waveforms Programming Slew RatesVoltm Fixed SlewStep Slewm SlewtSyncsour Phase Syncphas Measuring Peak Inrush CurrentRange CurrpeakSetting the Gpib Address and RS-232 Parameters To configure the RS-232 interface, proceed as followsSaving and Recalling Operating States Action Display To set the Gpib address, proceed as followsAddress Noutputs Table A-1. Performance Specifications1 SpecificationsAgilent 6814B Agilent 6834B Agilent 6843A Supplemental Characteristics Table A-2. Supplemental CharacteristicsSpecifications a Page Equipment Required CharacteristicsRecommended Model Turn-On Checkout Procedure Test SetupPerforming the Verification Tests RMS Current Readback Accuracy Voltage Programming and Measurement AccuracyAction Normal Result Performing the Calibration Procedure Agilent 6814B Current Measurement AccuracyAgilent 6834B Current Measurement Accuracy Agilent 6843A Current Measurement AccuracyFront Panel Calibration Enable Calibration ModeFront Panel Calibration Menu Calibrating and Entering Voltage Calibration Values Calibrating the OVP trip pointCalibrating and Entering Current Calibration Values Changing the Calibration Password Calibrating the Output Impedance Agilent 6843A onlySaving the Calibration Constants CalpassCalibration Error Messages Table B-3. Gpib Calibration Error MessagesCalibration Over the Gpib 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 United States Latin America Canada Australia/New ZealandEurope Asia Pacific JapanManual Updates
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