Agilent Technologies 6813B, 6811B, 6812B manual Step Transient, Pulse Transient, Voltt, Voltm Step

Page 51

Front Panel Operation - 4

Step Transient

The Voltage Menu lets you specify an alternate or triggered voltage level that the ac source will apply to the output when it receives a trigger. Because the default transient voltage level is zero volts, you must first enter a triggered voltage before you can trigger the ac source to change the output amplitude. Refer to Chapter 4 of the Programming Guide for more information about programming triggers.

In the following example, the voltage output is set to 120 Vrms and then stepped down to 102 Vrms.

 

Action

Display

1.

On the Function keypad, press Output On/Off to enable the output. The Dis

0 V 60 Hz

 

annunciator will go off.

 

 

2.

Press Voltage to access the Voltage Menu. On the Entry keypad, press 1 2 0 Enter.

VOLT

120

3.

Access the Voltage Menu again and press to access the triggered voltage

VOLT:T 0

 

command.

 

 

4.

On the Entry kepad, press 1 0 2 Enter.

VOLT:T

102

5.

Access the Voltage Menu again and press to access the voltage mode command. It

VOLT:M

STEP

 

should be in the default FIXED mode. An ac source function in the FIXED mode

 

 

 

does not respond to triggers. On the Entry keypad, press ↓ or ° to scroll through the

 

 

 

mode parameters. When you have STEP, press Enter.

 

 

6.

Press Trigger Control and Enter. This initiates (or enables) one immediate trigger

INIT:IMMED

 

action.

 

 

7.

Press Shift Trigger. This sends the ac source an immediate trigger signal to change

102 V 60 HZ

 

the output voltage. The triggered voltage value now becomes the VOLT value.

 

 

Pulse Transient

In the following example, the output is four 83.3-millisecond, 120 Vrms pulses at 60 Hz. The figure shows the trigger, pulse count, pulse period, and duty cycle.

NOTE: From the Output Menu, execute the *RST command to reset the ac source. This is necessary because any previously programmed functions remain in effect until cleared.

Trigger

count = 4

120Vrms

102Vrms

83.3ms

250ms

Figure 4-5. Pulse Transients

51

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Contents User’s Guide AC Power Solutions Agilent Models 6811B, 6812B, and 6813BCertification Warranty InformationGeneral Safety SummarySafety Symbols EMC DeclarationPrinting History Acoustic Noise InformationTable of Contents Performing the Verification Tests Performing the Calibration ProcedureEntry Keys Examples of Front Panel Programming IntroductionLine Voltage Conversion Error Number ListPage Document Orientation TopicLocation Options Safety ConsiderationsOptions and Parts Earlier AC Source ModelsDescription Operator Replaceable PartsAgilent Part Number Front Panel/Remote Operation CapabilitiesModel Description Steady-state Output Characteristic in real-time mode Steady-state Output CharacteristicTypical Peak Current Output Capacities Peak Current/Dynamic Power CapabilityPeak Current Limit Peak Inrush ExampleCapacitance in μF 127 254 Ipeak settingReal Time Regulation RMS Current Limit CircuitVoltage Regulation Output ImpedanceOutput Coupling Page Items Supplied CleaningInspection Damage Packaging MaterialNot block the fan exhaust at the rear of the unit LocationBench Operation Rack MountingInstalling the Power Cord Input ConnectionsInput Source and Line Fuse Output Connections Connecting the Power CordCurrent Ratings Wire ConsiderationsRemote Sense Connections Voltage DropsRemote Sense Connections Trigger Connections Digital ConnectionsRemote Sensing and OVP Considerations Controller Connections Gpib ConnectorRS-232 Data Format Interface CommandsRS-232 Connector RS-232 InterfaceNull Modem Interface Lines Response Data Terminator Hardware HandshakePreliminary Checkout IntroductionCheckout Procedure Using the KeypadPress 1, 6, 0, Enter Press 1, 2, 0, EnterPress Output On/Off Press ProtectCase of Trouble Error MessagesSelftest Errors Power-On Selftest ErrorsMay appear at runtime Runtime Error MessagesLine Fuse IndicatesPage Front Panel, Overall View Front Panel DescriptionAC+DC System Keys Dis lay Command FunctionFunction Keys Immediate Action KeysScrolling Keys Display Display Command FunctionMeter Display Keys Display MeasurementList Output Control KeysRST Protection and Status Control Keys ProtclearCLS Abort Trigger and List Control KeysInitimmed IMMThrough Are used for entering numeric values Is the decimal Entry KeysSetting the Output Voltage Amplitude Examples of Front Panel ProgrammingSet the output to 120 V rms as follows Action Setting the Output FrequencySetting the DC Offset To verify the output, use the meter menuClearing Protection Conditions Setting a Protection FeatureOvercurrent protection feature as follows Bit Number Bit WeightPulse Using Transient Voltage ModesVoltm Step Step TransientPulse Transient VolttDcycle List TransientVoltm Pulse WidthVolt EOL Step Auto Trigger Delays and Phase SynchronizationVoltm Fixed List Count Dwel Dwel EOL VoltSyncsour Phase Example DisplaySyncphas Initimmed Programming Slew Rates Using Slew Rates to Generate WaveformsSlewt Voltm FixedSlew Step SlewmCurrpeak Syncsour Phase SyncphasMeasuring Peak Inrush Current CurrlevAction Display To set the Gpib address, proceed as follows Setting the Gpib Address and RS-232 ParametersTo configure the RS-232 interface, proceed as follows Saving and Recalling Operating StatesTable A-1. Performance Specifications1 SpecificationsTable A-1. Performance Specifications Table A-2. Supplemental Characteristics Supplemental CharacteristicsTrig Out HC TTL output Trig In 10k pullup Table A-3. Operation Below 45 Hz Operation Below 45 HzPage Equipment Required Verification and CalibrationTest Setup Table B-1. Equipment RequiredRecommended Model Action Normal Result Turn-On Checkout ProcedurePerforming the Verification Tests AC Voltage Programming and Measurement AccuracyVolt 50, Currrange LOW, Currlev DC Voltage Programming and Measurement AccuracyRMS Current Accuracy Test Volt 0, Outpcoup DC, OffsetRMS Current Measurement Accuracy Table B-2. Agilent 6811B Verification Test RecordTable B-3. Agilent 6812B Verification Test Record DC Programming and Measurement AccuracyTable B-4. Agilent 6813B Verification Test Record Table B-3Front Panel Calibration Menu Performing the Calibration ProcedureEnable Calibration Mode Front Panel CalibrationCalibrating and Entering Voltage Offset Values Calibrating and Entering DC Voltage Gain Values Calibrating and Entering AC rms Voltage Gain ValuesCallev P4 Calibrating and Entering rms Current Values Calibrating the OVP Trip PointOFF Calibrating and Entering rms Current Measurement ValuesCalibrating the Output Impedance Saving the Calibration ConstantsCalibration Over the Gpib Changing the Calibration PasswordCalibration Error Messages Table B-5. Gpib Calibration Error MessagesFigure B-2. Calibration Program Listing Sheet 1 Figure B-2. Calibration Program Listing Sheet 2 Figure B-2. Calibration Program Listing Sheet 3 Page Table C-1. Error Numbers Error Number ListError Messages Error Messages C Page Check the Line Jumpers all Models Check the Jumper Wire Model Agilent 6811B/6812B onlyCheck the Power Transformer Connector all Models Open the UnitFigure D-1. Line Voltage Conversion Components Close the UnitIndex Index Index Japan United States Latin AmericaCanada Australia/New Zealand Europe Asia PacificManual Updates
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