Agilent Technologies 6814B, 6834B, 6843A manual Voltprot, Currlev, Currprot OFF

Page 28

3 - Turn-On Checkout

 

Procedure

Display

 

Explanation

11.

Press ￿ or and scroll

VOLT:PROT

500

Display shows the overvoltage protection trip voltage

 

to the VOLT:PROT item

 

 

for your unit. The overvoltage protection voltage is

 

 

 

 

programmed in peak, not rms volts.

12.

Press 1, 6, 0, Enter

VOLT:PROT 160

Programs the OVP to 160 Vpeak, the rms value of

 

 

 

 

which is less than the previously set rms voltage.

 

 

0 V 60 Hz

Because the peak OVP voltage entered was less than the

 

 

 

 

rms output voltage, the OVP circuit tripped. The output

 

 

 

 

dropped to zero, CV turned off, and Prot turned on.

13.

Press Protect, scroll to

VOLT:PROT

320

Programs the OVP to a peak value that is greater than

 

the VOLT:PROT item,

 

 

the rms output voltage value.

 

and press 3, 2, 0, Enter

 

 

Note: You cannot clear an OVP trip until you have first

 

 

 

 

removed the cause of the condition.

14.

Press Protect, and

120 V 60 Hz

Executes the PROT:CLEAR command, restoring the

 

Enter

 

 

output. Prot turns off and CV turns on.

15.

Press Shift, and

CURR:LEV

5

Indicates the default output current limit setting.

 

Current

 

 

 

16.

Press . 5 Enter

CURR:LEV

.5

Sets the current limit to .5 amperes. The CC

 

 

 

 

annunciator is on, indicating that the unit is in current

 

 

 

 

limit mode and the light bulbs are dimmer because the

 

 

 

 

output voltage has dropped in its attempt to limit output

 

 

 

 

current.

17.

Press Protect, scroll to

CURR:PROT

ON

You have enabled the overcurrent protection circuit.

 

the CURR:PROT item,

 

 

The circuit then tripped because of the output short. The

 

and press ° to select ON.

 

 

CC annunciator turns off and the OCP and Prot

 

Then press Enter.

 

 

annunciators come on. The output current is near zero.

18.

Press Output On/Off

0.5 V 60 Hz

The output is off and the Dis annunciator turns on.

19.

Press Protect, scroll to

CURR:PROT

OFF

You have disabled the overcurrent protection circuit.

 

the CURR:PROT item,

 

 

The Prot annunciator turns off.

 

press ° to select OFF,

 

 

 

then press Enter.

20.Turn the unit off.

The next time the unit turns on it will be restored to the *RST or factory default state

28

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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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6834B, 6843A, 6814B specifications

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