Agilent Technologies 6834B, 6814B, 6843A manual Performing the Verification Tests, Test Setup

Page 60

B - Verification and Calibration

Test Setup

Figure B-1 shows the setup for the tests. Be certain to use load leads of sufficient wire gauge to carry the full output current (see Chapter 2).

B. CURRENT SETUP

RMS

VOLTMETER

shunt

shunt

A. VOLTAGE SETUP

 

 

RMS

1

30

VOLTMETER

 

 

R LOAD

S1

 

 

 

R LOAD

S2

 

 

 

O1

O2

O3

COM

 

O1

 

 

 

 

O2

 

R IMPEDANCE

 

O3

 

 

 

 

COM

 

L1

L2

L3

 

 

shunt

S3

R LOAD

Switch is for convenience, not required.

CAUTION: Connect only one phase at a time

AC INPUT 3 phase

180-254 VAC line to line

or

360-440 VAC line to line

Figure B-1. Verification & Calibration Test Setup

Performing the Verification Tests

The following procedures assume you understand how to operate the ac source from the front panel as explained in Chapter 4.

When performing the verification tests from a GPIB controller, you may have to consider the relatively slow settling times and slew rates of the ac source as compared to computer and system voltmeters. Insert suitable WAIT statements into the test program to give the ac source time to respond to test commands.

Perform the following tests for operation verification in the order indicated.

1.Turn-On Checkout

2.Voltage Programming and Measurement Accuracy

3.Current Measurement Accuracy

Turn-On Checkout Procedure

Perform the Turn-On Checkout as directed in Chapter 3.

NOTE: The ac source must pass turn-on selftest before you can proceed with the verification tests.

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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 ProgrammingDocument Orientation TopicLocation Safety Considerations Options, Accessories, and User Replaceable PartsOption Description Agilent Part NumberDescription CapabilitiesModel Description Output Characteristic Front Panel/Remote OperationRanges 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 unitInstalling the Power Cord Input ConnectionsInput 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 ProcedureProcedure Display Explanation VoltProtclear Voltprot CurrlevCurrprot 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 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 the Output Frequency Setting a Protection FeatureOvercurrent protection feature as follows Using Transient Voltage Modes Step TransientVoltt Voltm StepPulse Transient Voltm PulseWidth 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 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 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 Performing the Calibration Procedure Agilent 6814B Current Measurement AccuracyAgilent 6834B 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 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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