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Agilent Technologies 6813B, 6811B, 6812B Table A-3. Operation Below 45 Hz, Specifications - A

Models: 6811B 6813B

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Operation Below 45 Hz

Specifications - A

Operation Below 45 Hz

The following operating characteristics apply for output frequencies between 45Hz and 1Hz. Below 1 Hz, instantaneous values meet the dc specifications. The ac source output is set to: sinewave, dc coupled, real-time regulation, and is connected to a linear load.

Table A-3. Operation Below 45 Hz

Real Power (watts)

1750					10 Hz
1750
750
375
675
287			5 Hz
142			5 Hz
142
0
1	2	4	6	8	10

Frequency (linear scale)

Reactive power (VA)

1750	10 Hz
1750
750
750
375

0

1

2

4

6

8

10

Frequency (linear scale)

RMS current derating (A)

	13	45 Hz
	6.5	45 Hz
	6.5
	3.75

7

3.55 Hz

1.75

0	10	100
1

Frequency

RMS current programming accuracy (% error)

10

5

2% error at 10 Hz

0

0

10

20

30

40

Frequency

AC coupled frequency response (dB)

0		0.1%error @ 40Hz
		1%error @ 10Hz
		30% error @ 2Hz (-3dB point)
-10
	slope of 1 (20dB/decade)
-20
.1	1	10	100
		Frequency

Meets Measurement Accuracy specifications under the following conditions:

	Minimum	Maximum allowable
	measured	frequency component
Sample rate	frequency	to avoid aliasing
25 μs	45 Hz	20 kHz
50 μs	22.5 Hz	10 kHz
100 μs	11.25 Hz	50 kHz
200 μs	5.625 Hz	2.5 kHz
250 μs	4.5 Hz	2 kHz

(Anti aliasing filters have a corner frequency of 12.5 kHz.)

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Agilent Technologies 6813B Table A-3. Operation Below 45 Hz, Specifications - A, Real Power watts, Reactive power VA

Contents

For instruments with Serial Numbers Agilent 6811B US38390101-up AC Power Solutions Agilent Models 6811B, 6812B, and 6813BUpdate April User’s GuideCERTIFICATION Warranty InformationWARRANTY LIMITATION OF WARRANTYGENERAL Safety SummaryBEFORE APPLYING POWER WARNING LETHAL VOLTAGESSAFETY SYMBOLS DECLARATION OF CONFORMITY Declaration PageAcoustic Noise Information Printing HistoryDecember Table of Contents 2 INSTALLATION1 GENERAL INFORMATION B VERIFICATION AND CALIBRATION A SPECIFICATIONS3 TURN-ON CHECKOUT 4 FRONT PANEL OPERATIONChanging the Calibration Password C ERROR MESSAGESD LINE VOLTAGE CONVERSION INDEXPage Location General InformationDocument Orientation TopicInformation about this current model Safety ConsiderationsOptions and Parts Earlier AC Source ModelsFigure 1-1. AC Source Functional Elements DescriptionTable 1-2. Operator Replaceable Parts Agilent Part NumberDescription Front Panel/Remote OperationCapabilities ModelFigure 1-2. Steady-state Output Characteristic in real-time mode Steady-state Output CharacteristicAgilent 6813B Peak Current/Dynamic Power CapabilityPeak Current Limit Peak Inrush ExampleIpeak setting Capacitance in μFFigure 1-3. Peak Inrush Current Example Real Time Regulation RMS Current Limit CircuitVoltage Regulation Output ImpedanceOutput Coupling Page Digital connector InstallationCleaning Power CordBench Operation Obtain adequate help when moving or mounting the unit in the rackFigure 2-1. Outline Diagram LocationInput Source and Line Fuse Installing the Power CordFigure 2-2. Power Cord Plug Configurations Input ConnectionsFigure 2-3. Connecting the Power Cord Output ConnectionsFigure 2-4. Output Connections Current Ratings Wire ConsiderationsRemote Sense Connections Voltage DropsFigure 2-5. Remote Sense Connections Trigger Connections Digital ConnectionsRemote Sensing and OVP Considerations GPIB Connector Controller ConnectionsFigure 2-6. FLT/INH Examples RS-232 Interface Interface CommandsRS-232 Connector Table 2-2. RS-232 ConnectorFigure 2-7. Null Modem Interface Lines Response Data Terminator Hardware HandshakeTurn-On Checkout IntroductionPreliminary Checkout Checkout Procedure Using the KeypadPress 1, 2, 0, Enter ProcedureFigure 3-1.Verification Connections ExplanationIn Case of Trouble Error MessagesSelftest Errors Table 3-1. Power-On Selftest Errorsmay appear at runtime Runtime Error MessagesLine Fuse indicatesPage Introduction Front panel OperationFront Panel Description Figure 4-1. Front Panel, Overall ViewAnnunciators light to indicate operating modes and status conditions ϕ Display κ Annunciators λ Voltage/ Frequency ν Line ο System Keysπ Function Keys θ Entry Keys AC+DCDis lay Command FunctionSystem Keys Figure 4-2. System KeysFigure 4-3. Function Keys Function KeysImmediate Action Keys Scrolling KeysCommand Function Meter Display KeysDisplay MeasurementCommand Function Output Control KeysCommand Function Command FunctionCommand Function Command FunctionCommand Function Command FunctionDisplay Protection and Status Control KeysCommand Function 4 - Front Panel OperationDisplay Trigger and List Control KeysCommand Function Front Panel Operationare used for entering numeric values Entry KeysFigure 4-4. Entry Keys through1 - Setting the Output Voltage Amplitude Examples of Front Panel ProgrammingSet the output to 120 V rms as follows 3 - Setting the DC Offset 2 - Setting the Output Frequency5 - Clearing Protection Conditions 4 - Setting a Protection Featureovercurrent protection feature as follows Bit Weight6 - Using Transient Voltage Modes Trigger count = 120Vrms 102Vrms 83.3ms 250ms Step TransientPulse Transient Figure 4-5. Pulse TransientsList Transient Figure 4-6. List TransientsEnter 7 - Trigger Delays and Phase Synchronization Then press Trigger Control and Enter, followed by Shift Trigger Figure 4-7. Trigger Delays and Phase Synchronization4 - Front Panel Operation Then press Trigger Control and Enter, followed by Shift TriggerFigure 4-8. Programming Slew Rates 8 - Using Slew Rates to Generate Waveforms4 - Front Panel Operation Then press Trigger Control and Enter, followed by Shift TriggerThen press Trigger Control and Enter, followed by Shift Trigger Press Trigger Control and Enter 9 - Measuring Peak Inrush Current11 - Saving and Recalling Operating States 10 - Setting the GPIB Address and RS-232 ParametersSpecifications SpecificationsTable A-1. Performance Specifications1 Table A-1. Performance Specifications continued A - SpecificationsSupplemental Characteristics Specifications - ATable A-2. Supplemental Characteristics A - Specifications Table A-2. Supplemental Characteristics continuedReal Power watts Operation Below 45 HzTable A-3. Operation Below 45 Hz Specifications - APage Verification and Calibration Equipment RequiredIntroduction Table B-1. Equipment Required Test SetupFigure B-1. Verification & Calibration Test Setup B - Verification and CalibrationTurn-On Checkout Procedure Performing the Verification TestsAC Voltage Programming and Measurement Accuracy RMS Current Accuracy Test DC Voltage Programming and Measurement AccuracyTable B-2. Agilent 6811B Verification Test Record Table B-3. Agilent 6812B Verification Test RecordVerification and Calibration - B Table B-3 continued Table B-4. Agilent 6813B Verification Test RecordB - Verification and Calibration Display Performing the Calibration ProcedureFront Panel Calibration Menu Command FunctionEnable Calibration Mode Front Panel CalibrationCalibrating and Entering Voltage Offset Values Calibrating and Entering DC Voltage Gain Values Calibrating and Entering AC rms Voltage Gain ValuesVerification and Calibration - B Calibrating and Entering rms Current Values Calibrating the OVP Trip PointCalibrating and Entering rms Current Measurement Values Calibrating the Output ImpedanceSaving the Calibration Constants Calibration Over the GPIB Changing the Calibration PasswordCalibration Error Messages Table B-5. GPIB Calibration Error MessagesTABXY5,7,Equipment Figure B-2. Calibration Program Listing Sheet 1 ofVerification and Calibration - B Rev B.00.00B - Verification and Calibration Figure B-2. Calibration Program Listing Sheet 2 ofVerification and Calibration - B Figure B-2. Calibration Program Listing Sheet 3 ofPage Error Messages Error Number ListTable C-1. Error Numbers C - Error Messages Error Messages - C Page Open the Unit Check the Jumper Wire Model Agilent 6811B/6812B onlyCheck the Power Transformer Connector all Models Line Voltage ConversionFigure D-1. Line Voltage Conversion Components Close the UnitIndex Index Index Canada Agilent Sales and Support OfficesUnited States Latin AmericaManual Updates 4/15/00 All references to HP have been changed to AgilentAll references to HP-IB have been changed to GPIB