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USER’S GUIDE Dynamic Measurement DC Source Agilent Model 66312A System DC Power Supply Agilent 6611C, 6612C, 6613C and 6614C

1 - Quick Reference10The Front Panel - At a Glancej14-character displayshows outputmeasurements andprogrammed values.kAnnunciatorsindicate operatingmo

Quick Reference - 111Front Panel Number EntryEnter numbers from the front panel using one of the following methods:Use the arrow keys and knob to chan

1 - Quick Reference12Front Panel AnnunciatorsCVThe output is operating in constant voltage mode.CCThe output is operating in constant current mode.Unr

Quick Reference - 113Front Panel Menus - At a GlanceADDRESS 7 Sets the GPIB AddressINTF GPIB Selects an interface (GPIB or RS232)BAUDRATE 300 Selects

1 - Quick Reference14SCPI Programming Commands - At a GlanceNOTE Most [optional] commands have been omitted for clarity. Refer to the ProgrammingGuide

Quick Reference - 115The Rear Panel - At a GlancejGPIB (IEEE-488)interface connectorkRS-232 interfaceconnectorlINH/FLT (remoteINHibit / internalFauLT)

172General InformationDocument OrientationThis manual describes the operation of the Agilent Model 66312A Dynamic Measurement DC Sourceand the Agilent

2 - General Information18Safety ConsiderationsThis dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. Thattermi

General Information - 219DescriptionBoth the Agilent 66312A Dynamic Measurement DC Source and the Agilent 6611C, 6612C, 6613C and6614C System DC Power

2Warranty InformationCERTIFICATIONAgilent Technologies certifies that this product met its published specifications at time of shipment from the facto

2 - General Information20Output CharacteristicThe dc source’s output characteristic is shown in the following figure. The output of the dc source may

213InstallationInspectionDamageWhen you receive your dc source, inspect it for any obvious damage that may have occurred duringshipment. If there is d

3 - Installation22LocationFigure 3-1 gives the dimensions of your dc source. The dc source must be installed in a location thatallows sufficient space

Installation - 323Input ConnectionsConnect the Power Cord1. Unscrew the line fuse cap from the rear panel and verify that the fuse rating matches w

3 - Installation24Voltage DropsThe load wires must also be large enough to avoid excessive voltage drops due to the impedance of thewires. In general,

Installation - 325Remote Sense ConnectionsUnder normal operation, the dc source senses the output voltage at the output terminals on the back of the

3 - Installation26The overvoltage protection circuit senses voltage near the output terminals, not at the load. Therefore thesignal sensed by the OVP

Installation - 327NOTE: It is good engineering practice to twist and shield all signal wires to and from the digitalconnectors. If shielded wire is

3 - Installation28Digital I/O ConnectionsAs shown in Table 3-3 and Figure 3-5, the FLT/INH connector can also be configured as a digital I/Oport. Info

Installation - 329♦ The total number of devices including the controller is no more than 15.♦ The total length of all cables used is no more than 2

3Safety Summary The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with

314Turn-On CheckoutIntroductionSuccessful tests in this chapter provide a high degree of confidence that the dc source is operatingproperly. For verif

4 - Turn-On Checkout32Checkout ProcedureThe tests in this section checks for output voltage and current on the dc source.NOTE: To perform the checkout

Turn-On Checkout - 433Procedure Display Explanation6.Press Enter Number,8, EnterVOLT:PROT 80.449V 0.145APrograms the OVP to 8 volts, which is l

4 - Turn-On Checkout34In Case of TroubleError MessagesDc source failure may occur during power-on selftest or during operation. In either case, the di

355Front panel OperationIntroductionHere is what you will find in this chapter:♦ a complete description of the front panel controls♦ front panel progr

5 - Front Panel Operation36j Display14-character vacuum fluorescent display for showing output measurementsand programmed values.k AnnunciatorsAnnunci

Front Panel Operation - 537System KeysRefer to the examples later in this chapter for more details on the use of these keys.LocalAddressRecallSaveErro

5 - Front Panel Operation38Function KeysRefer to the examples later in this chapter for more details on the use of these keys.MeterProtectVoltageCurre

Front Panel Operation - 539Metering KeysMetering keys control the metering functions of the dc source. When the unit is operating in front panelmeter

4SAFETY SYMBOLSDirect currentAlternating currentBoth direct and alternating currentThree-phase alternating currentEarth (ground) terminalProtective ea

5 - Front Panel Operation40Output Control KeysOutput control keys control the output functions of the dc source.Press this key to access the voltage m

Front Panel Operation - 541Entry KeysRefer to the examples later in this chapter for more details on the use of these keys.EnterNumberEnterCir Entry12

5 - Front Panel Operation42Examples of Front Panel ProgrammingYou will find these examples on the following pages:1 Setting the output voltage and cur

Front Panel Operation - 5432 - Querying and Clearing Output ProtectionThe dc source will disable its output if it detects an overvoltage or overcurren

5 - Front Panel Operation44V or A HIGHV or A MAX V or A MIN100 millisecondV or A LOWacquisition time46.8 microsecondsampling rateNOTE:coincide with th

Front Panel Operation - 545Your dc source is shipped with the output port function set to RIDFI mode. In this mode the portfunctions as a remote inhib

5 - Front Panel Operation465 - Programming the Output Relay (option 760 only)Units with option 760 have isolation and polarity reversal relays connect

Front Panel Operation - 5477 - Saving and Recalling Operating StatesNOTE: This capability is only available when the unit is set to the SCPI programmi

49ASpecificationsSpecificationsTable A-1 lists the specifications of the dc source. Specifications are warranted over the ambienttemperature range of

5Declaration PageDECLARATION OF CONFORMITYaccording to ISO/IEC Guide 22 and EN 45014Manufacturer’s Name: Agilent TechnologiesManufacturer’s Address: 1

A - Specifications50Supplemental CharacteristicsTable A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typi

Specifications - A51Table A-2. Supplemental Characteristics (continued)Parameter Agilent 66312AAgilent 6611C -6614CDynamic MeasurementAccuracyInstanta

A - Specifications52Table A-2. Supplemental Characteristics (continued)Parameter Agilent 66312AAgilent 6611C - 6614CDigital I/O Characteristics(contin

53BVerification and CalibrationIntroductionThis appendix includes verification and calibration procedures for the Agilent 66312A, 6611C, 6612C,6613C a

B - Verification and Calibration54Load-S-++SLocalRemoteSENSE+-50VDC MAX TONOTE: Connectoris removableResistorDCAmmeter-+Load-S-++SLocalRemoteSENSE+-50

Verification and Calibration - B55Table B-2. Verification Programming ValuesFull scaleVoltageFull ScaleCurrentImax Isink6611C 8 5 5.1188 - 3 A6612C/66

B - Verification and Calibration56to convert the value to amperes. Record the value. limits (see table B-3, 4, 5 or 6).5. Set the output current to fu

Verification and Calibration - B57Table B-3. Verification Test Record for Agilent 6611CModel Agilent 6611C

B - Verification and Calibration58Table B-5. Verification Test Record for Agilent 6613CModel Agilent 6613C

Verification and Calibration - B59Performing the Calibration ProcedureNOTE: The calibration procedure can only be performed using the SCPI language co

6Acoustic Noise InformationHerstellerbescheinigungDiese Information steht im Zusammenhang mit den Anforderungen derMaschinenläminformationsverordnung

B - Verification and Calibration60These procedures assume you understand how to operate front panel keys (see chapter 5).Enable Calibration ModeAction

Verification and Calibration - B61Current Programming and High-Range Measurement CalibrationAction Display13. Connect the appropriate current monitor

B - Verification and Calibration62Saving the Calibration ConstantsWARNING: Storing calibration constants overwrites the existing ones in non-volatile

Verification and Calibration - B63Calibration Over the GPIBYou can calibrate the dc source by using SCPI commands within your controller programmingst

65CError MessagesError Number ListThis appendix gives the error numbers and descriptions that are returned by the dc source. Errornumbers are returne

C - Error Messages66–138 Suffix not allowed –141 Invalid character data [bad character, or unrecognized]–144 Character data too long–148 Character dat

Error Messages - C67Selftest Errors 0 through 99 (sets Standard Event Status Register bit #3)0 No error1 Non-volatile RAM RD0 section checksum failed2

69DLine Voltage ConversionWARNING: Shock Hazard Operating personnel must not remove instrument covers.Component replacement and internal adjustments

7Table of ContentsWarranty Information 2Safety Summary 3Declaration Page 5Acoustic Noise Information 6Printing History 6Table of Contents 71 - QUICK R

D - Line Voltage Conversion70Install the Correct Line Fuse♦ Unscrew the line fuse cap from the rear panel and install the correct fuse.For 100/120 Vac

71Index— —-- -- -- -- -- --, 43—+—+/- terminals, 23+S/-S terminals, 23—0—0 ... 9, 41—A—ac line conversion, 69accessories, 18ACDC current detector, 44a

Index72OCP, 38Output, 40Output On/Off, 38OV, 40Prot Clear, 38Protect, 40Voltage, 40fuses, 23—G—ground, earth, 18guide, programming, 17guide, user’s, 1

Index73selftest errors, 34sense connections, 25service guide, 18setting voltage/current, 42shift annunciator, 31shift key, 31shorting switch, 27specif

74Agilent Sales and Support OfficeFor more information about Agilent Technologies test and measurement products, applications, services,and for a cur

Manual UpdatesThe following updates have been made to this manual since the November 1997 printingindicated on the Printing History page.7/8/99The Isi

84 - TURN-ON CHECKOUT 31Introduction 31Using the Keypad 31Checkout Procedure 32In Case of Trouble 34Error Messages 34Line Fuse 345 - FRONT PANEL OPERA

91Quick ReferenceAgilent 66312A Dynamic Measurement DC Source andAgilent 6611C/6612C/6613C/6614C System DC Power SupplyThe Agilent 66312A is a 40 Watt