Agilent Technologies 6633A Guia do Utilizador

USER’S GUIDEAgilent Model 66111AFast Transient DC SourceAgilent Model 66311BMobile Communications DC SourceFor instruments with Serial Numbers:Agilent

10Programming Parameters 91Calibration Commands 92CALibrate:CURRent 92CALibrate:CURRent:MEASure:LOWRange 92CALibrate:CURRent:MEASure:AC 92CALibrate:DA

8 – Language Dictionary100 MEASure:VOLTage?FETCh:VOLTage? These queries return the dc output voltage. Query Syntax MEASure[:SCALar]:VOLTage[:DC]? M

Language Dictionary - 8101 MEASure:VOLTage:LOW?FETCh:VOLTage:LOW?Agilent 66311B Only These queries return the Low level voltage of a voltage pulse wa

8 – Language Dictionary102 SENSe:CURRent:DETectorAgilent 66311B Only This command lets you select the type of detector used for output current measur

Language Dictionary - 8103 SENSe:FUNCtion This command configures the measurement sensor to measure either voltage or current when an acquiretrigger

8 – Language Dictionary104 SENSe:SWEep:TINTerval This command defines the time period between samples Command Syntax SENSe:SWEep:TINTerval<NRf+&

Language Dictionary - 8105 Output Commands Output commands consist of output and source commands.Output commands control the output and digital port

8 – Language Dictionary106 OUTPut:PON:STATe This command selects the power-on state of the dc source. This information is saved in non-volatilememory

Language Dictionary - 8107 OUTPut:RI:MODE This command selects the mode of operation of the Remote Inhibit protection. The RI mode is stored innon-v

8 – Language Dictionary108 [SOURce:]CURRent This command sets the immediate current level of the dc source. The immediate level is the currentprogra

Language Dictionary - 8109 [SOURce:]DIGital:DATA This command programs the digital control port when the port is configured for Digital I/O operation

11[SOURce:]DIGital:FUNCtion 109[SOURce:]VOLTage 109[SOURce:]VOLTage:PROTection 110[SOURce:]VOLTage:PROTection:STATe 110[SOURce:]VOLTage:TRIGger 110Sta

8 – Language Dictionary110 [SOURce:]VOLTage:PROTection This command sets the overvoltage protection (OVP) level of the dc source. If the output vol

Language Dictionary - 8111 Status Commands Status commands program the dc source status registers. The dc source has three groups of statusregisters;

8 – Language Dictionary112 STATus:OPERation:ENABle This command and its query set and read the value of the Operational Enable register. This registe

Language Dictionary - 8113 Table 8-5. Bit Configuration of Questionable Status Registers Bit Position 15 14 13-11 10 9 8-6 5 4 3 2 1 0 Bi

8 – Language Dictionary114 STATus:QUEStionable:NTRSTATus:QUEStionable:PTR These commands allow you to set or read the value of the Questionable NTR

Language Dictionary - 8115 System Commands System commands control system functions that are not directly related to output control or measurementfun

8 – Language Dictionary116SYSTem:LOCalFor RS-232 Operation OnlyThis command places the dc source in local mode during RS-232 operation. The front pan

Language Dictionary - 8117Trigger CommandsTrigger commands consist of trigger and initiate commands.Initiate commands initialize the trigger system.

8 – Language Dictionary118TRIGgerWhen the transient trigger subsystem is initiated, this command generates a trigger signal. The triggerwill then:1.

Language Dictionary - 8119TRIGger:SEQuence2:COUNt:CURRentTRIGger:ACQuire:COUNt:CURRentThis command sets up a successive number of triggers for measur

12Additional Commands 130INSTrument:STATe 130OUTPut:PROTection:TRIPped? 130CURRent:LIMit:HIGH? 130CURRent:LIMit:LOW? 130CURRent:PROTection:TRIPped? 13

8 – Language Dictionary120TRIGger:SEQuence2:HYSTeresis:CURRentTRIGger:ACQuire:HYSTeresis:CURRentThis command defines a band around the trigger level

Language Dictionary - 8121TRIGger:SEQuence2:LEVel:CURRentTRIGger:ACQuire:LEVel:CURRentThis command sets the trigger level for internally triggered cu

8 – Language Dictionary122TRIGger:SEQuence2:SLOPe:CURRentTRIGger:ACQuire:SLOPe:CURRentThis command sets the slope of an internally triggered current

Language Dictionary - 8123TRIGger:SEQuence2:SOURceTRIGger:ACQuire:SOURceThese commands select the trigger source for measurement triggers as follows:

8 – Language Dictionary124Common Commands *CLS This command causes the following actions (see chapter 7 for the descriptions of all registers):K Clea

Language Dictionary - 8125 *ESR? This query reads the Standard Event Status Event register. Reading the register clears it. The bitconfiguration is

8 – Language Dictionary126*OPT?This query requests the dc source to identify any options that are installed. Options are identified bynumber. A 0 ind

Language Dictionary - 8127*RSTThis command resets the dc source to a factory-defined state as defined in the following table. *RST alsoforces an ABOR

8 – Language Dictionary128 *SRE This command sets the condition of the Service Request Enable Register. This register determines whichbits from the S

Language Dictionary - 8129*TRGThis common command generates a trigger when the trigger subsystem has BUS selected as its source.The command has the s

131Quick ReferenceThe Front Panel - At a Glance1 A 14-character displayshows output measurementsand programmed values.2 Annunciators indicateoperating

8 – Language Dictionary130Additional CommandsThe following commands are added to the language dictionary to provide compatibility for the FlukePM2811

Language Dictionary - 8131CURRent:PROTection:TRIPped? This query reports if the OCP (overcurrent protection) status bit is set. 0 = bit is not set; 1

133ASpecificationsSpecificationsTable A-1 lists the specifications of the dc source. Unless otherwise noted, specifications are warrantedover the ambi

A - Specifications134Supplemental CharacteristicsTable A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typ

Specifications - A135Table A-2. Supplemental Characteristics (continued)Parameter Agilent 66111A Agilent 66311BMeasurement Time(includes 30 ms1 dataac

A - Specifications136Table A-2. Supplemental Characteristics (continued)Parameter Agilent 66111A/66311BInput Ratings:(at full load from 47–63 Hz)100 V

137BVerification and CalibrationIntroductionThis appendix includes verification and calibration procedures for the Agilent 66111A Fast Transient DCSou

B - Verification and Calibration138Load-S-++SLocalRemoteSENSE+-50VDC MAX TONOTE: Connectoris removableResistorDCAmmeter-+Load-S-++SLocalRemoteSENSE+-5

Verification and Calibration - B139Check the Language SettingThe verification procedures can only be performed with the dc source set to the SCPI prog

1 - Quick Reference14The Rear Panel - At a Glance1 AC calibration switch(see appendix B).2 GPIB (IEEE-488)interface connector.3 RS-232 interfaceconne

B - Verification and Calibration140Low Range Current Measurement (Agilent Model 66311B Only)Action Normal Result7. Turn off and connect the dc source

Verification and Calibration - B141Table B-2. Verification Test Record for Agilent Model 66111AModel Agilent 66111A

B - Verification and Calibration142Performing the Calibration ProcedureNOTE: The calibration procedure can only be performed from the front panel or u

Verification and Calibration - B143Front Panel Calibration ProcedureThese procedures assume you understand how to operate front panel keys (see chapte

B - Verification and Calibration144Overvoltage Protection CalibrationAction Display13.Press Shift Cal, scroll to CAL VOLT PROT, and press Enter.CAL:VO

Verification and Calibration - B145AC Current Measurement Calibration (Agilent Model 66311B Only)Action Display26. Disconnect all loads from the dc s

B - Verification and Calibration146Calibration Error MessagesErrors that can occur during calibration are shown in the following table.Table B-3. GPIB

147CError MessagesError Number ListThis appendix gives the error numbers and descriptions that are returned by the dc source. Errornumbers are return

C – Error Messages148Table C-1. Error Numbers (continued–131 Invalid suffix [unrecognized units, or units not appropriate]–138 Suffix not allowed –141

Error Messages - C149Table C-1. Error Numbers (continuedSelftest Errors 0 through 99 (sets Standard Event Status Register bit #3)0 No error1 Non-volat

Quick Reference - 115Front Panel Number EntryEnter numbers from the front panel using one the following methods:Use the arrow keys and knob to change

151DExample ProgramsIntroductionThe example programs in this section are intended to show how some of the same dc source functionscan be programmed to

D – Example Programs152Error HandlingIf there is no error-handling code in your program, undetected errors can cause unpredictable results.This includ

Example Programs - D1531225 '1230 'Clear status circuit1235 CODES$="*CLS" :GOSUB 20001240 FOR I=1 TO 50 :NEXT I 'Wait

D – Example Programs154BASICThe BASIC for controllers and BASIC for Windows both provide access to GPIB functions at theoperating system level. This

Example Programs - D155Pulse MeasurementsThe following programs illustrate how to make a pulse measurement over the GPIB . The measurementfunct

D – Example Programs156330 !340 ENTER @Ps;Curr_array(*) ! Enters all 100 data points350 PRINT Curr_array(*) ! Print all data points360 !370 OUTPUT @Ps

Example Programs - D157/* initialize the VISA session */err = viOpenDefaultRM(&defRM);if (err){printf("viOpenDefaultRM error, check yo

D – Example Programs158/* trigger the acquisition by changing the output voltage level to 5V */printf ("Trigger acquisition...\n");viPrintf(

Example Programs - D159When this program runs, it returns the DC, RMS, MIN, MAX, HIGH, and LOW data in 10 measurementdata points in the followi

1 - Quick Reference16Front Panel AnnunciatorsCVThe output is operating in constant voltage mode.CCThe output is operating in constant current mode.Unr

161ELine Voltage ConversionWARNING: Shock Hazard. Operating personnel must not remove instrument covers.Component replacement and internal adjustments

E – Line Voltage Conversion162white/red/greygreyorangeorangewhite/red/greygreyorangewhite/red/greygreyorangeorangewhite/red/greygreyorange(spare)orang

163FCompatibility LanguageIntroductionThe Agilent 66311B dc source covered by this manual is programmatically compatible with theHP/Agilent 6632A, 66

F – Compatibility Language164Table F-2. COMPatibility CommandsCompatibilityCommandDescription Similar SCPICommandASTS? This command reads the contents

Compatibility Language - F165Table F-2. COMPatibility Commands (continued)CompatibilityCommandDescription Similar SCPICommandOVSET <n> Th

F – Compatibility Language166Table F-2. COMPatibility Commands (continued)CompatibilityCommandDescription Similar SCPICommandTEST? This command causes

Compatibility Language - F167Figure F-1. COMpatibility Status ModelTable F-4. Bit Assignment of Status, Astatus, Fault, & Mask RegistersBit

169Index— —-- -- -- -- --, 47, 52- sense open, 32—+—+ sense open, 32+/- sense open, 32+/- terminals, 28+S/-S terminals, 28—0—0 ... 9, 49—A—AARD, 63ABO

Quick Reference - 117Front Panel Menus - At a GlanceADDRESS 7Sets the GPIB AddressINTF GPIBSelects an interface (GPIB or RS232)BAUDRATE 300Selects ba

Index170*TST, 129*WAI, 129compatibilitycommands, 164errors, 166Fluke PM2811, 130language, 163power-on settings, 163status model, 167controller connect

Index171—H—Hanning, 72, 104header, 62long form, 62short form, 62High measurements, 74history, 6BASIC controller example, 154GPIB , 54address, 54, 57ad

Index172characteristic, 23compensation, 51connections, 28connector, 26control keys, 48current setting, 50enable, 51rating, 23voltage setting, 50output

Index173non-conformance, 65program message, 61references, 58response message, 61subsystem commands, 59, 87triggering nomenclature, 69, 75SCPI commands

Index174—V—verificationcurrent measurement accuracy, 139current programming, 139equipment, 137setup, 137test record, 142voltage measurement accuracy,

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

176Manual UpdatesThe following updates have been made to this manual since the print revision indicated on the title page.3/4/99The note on page 33 ha

1 - Quick Reference18SCPI Programming Commands - At a GlanceNOTE: Some [optional] commands have been included for clarity. Refer to chapter 8 for acom

192General InformationDocument OrientationThis manual describes the operation of the Agilent Model 66111A Fast Transient and the Agilent Model66311B M

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

2 - General Information20Safety ConsiderationsThis dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. Thattermi

General Information - 221DescriptionThe Agilent 66111A is a high performance dc power source that provides peak current sourcing andrapid, basic measu

2 - General Information22Front Panel ControlsThe front panel has both rotary (RPG) and keypad controls for setting the output voltage and current. The

General Information - 223Figure 2-1. Dc Source Output CharacteristicThe operating point of the unit is determined by the voltage setting, current sett

253InstallationInstallation and Operation ChecklistCheck the Output Compensation¨ Check that the output compensation of the dc source is appropriate f

3 - Installation26InspectionDamageWhen you receive your dc source, inspect it for any obvious damage that may have occurred duringshipment. If there i

Installation - 327LocationThe outline diagram in figure 3-1 gives the dimensions of your dc source. The dc source must be installedin a location tha

3 - Installation28Input ConnectionsConnect the Power Cord1. Unscrew the line fuse cap from the rear panel and verify that the fuse rating matches what

Installation - 329The load wires must also be of a diameter large enough to avoid excessive voltage drops due to theimpedance of the wires. In gener

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

3 - Installation30Figure 3-2. Remote Sense ConnectionsRemote Sense LeadsTesting has verified stable performance with the sense leads connected up to 2

Installation - 331Figure 3-3. Remote Sense Connections with External RelaysFigure 3-4 shows how to connect remote sense leads when using a removable

3 - Installation32The overvoltage protection circuit senses voltage near the output terminals, not at the load. Therefore thesignal sensed by the OVP

Installation - 333The default setting for the open sense lead protection circuit is disabled or OFF. This is becauseapplications that apply an exter

3 - Installation34Output Compensation (High Mode/Low Mode)High bandwidth performance and stability are achieved by using a software-switchable outputc

Installation - 335Figure 3-6. Local SensingOVP ConsiderationsCAUTION: Disabling the OVP protection circuit may cause excessive output voltages, such

3 - Installation36External Protection ConnectionsThis rear panel connector, has a fault output port and an inhibit input port. The fault (FLT) output,

Installation - 337In example B, the FLT output of one unit is connected to the INH input of another unit. A faultcondition in one of the units will

3 - Installation38Controller ConnectionsThe dc source can be controlled either through an GPIB or an RS-232 interface.GPIB InterfaceEach dc source h

394Turn-On CheckoutCheckout ProcedureSuccessful tests in this chapter provide a high degree of confidence that the unit is operating properly.For veri

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

4 - Turn-On Checkout40Procedure Display Explanation6.Press Enter Number,8, EnterVOLT:PROT 80.449V 0.145APrograms the OVP to 8 volts, which is l

Turn-On Checkout - 441In Case of Trouble Dc source failure may occur during power-on selftest or during operation. In either case, the display mayshow

4 - Turn-On Checkout42Line FuseIf the dc source appears "dead" with a blank display and the fan not running, check your power source tobe ce

435Front panel OperationIntroductionHere is what you will find in this chapter:♦ a complete description of the front panel controls♦ front panel progr

5 – Front Panel Operation44jjjj Display14-character vacuum fluorescent display for showing output measurements andprogrammed values.kkkk AnnunciatorsA

Front Panel Operation - 545System KeysRefer to the examples later in this chapter for more details on the use of these keys.LocalAddressRecallSaveErro

5 – Front Panel Operation46Function KeysRefer to the examples later in this chapter for more details on the use of these keys.MeterProtectVoltageCurre

Front Panel Operation - 547Metering KeysMetering keys control the metering functions of the dc source. As set from the factory, all front panelmeasure

5 – Front Panel Operation48Output Control KeysOutput control keys control the output functions of the dc source.Press this key to access the voltage m

Front Panel Operation - 549Entry KeysRefer to the examples later in this chapter for more details on the use of these keys.EnterNumberEnterCir Entry12

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

5 – Front Panel Operation50Examples of Front Panel ProgrammingYou will find these examples on the following pages:1 Setting the output voltage, curren

Front Panel Operation - 551Set the output compensationAction Display1.On the Function keypad, press Output. Then press q until you obtain theTYPE:CAP

5 – Front Panel Operation523 – Making Front Panel MeasurementsAs shipped from the factory, front panel measurements are calculated from a total of 204

Front Panel Operation - 553 Use the Meter menu for making front panel measurements:Action Display1.On the Function keypad press Meter and press q repe

5 – Front Panel Operation544 - Programming External Protection and the Digital Port FunctionsYour dc source is shipped with the output port function s

Front Panel Operation - 555Action Display1.On the System keypad, press Address.ADDRESS 52. Scroll through the Address menu by pressing q. The interfa

576Introduction to ProgrammingGPIB Capabilities of the DC SourceAll dc source functions except for setting the GPIB address are programmable over th

6 - Introduction to Programming58RS-232 Flow ControlThe RS-232 interface supports several flow control options that are selected using the front panel

Introduction to Programming - 659 The following are two formal documents concerning the GPIB interface:♦ ANSI/IEEE Std. 488.1-1987 IEEE Standard Dig

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

6 - Introduction to Programming60 :OUTPut[:STATe]:DFI:PROTectionROOT:CLEar:DELay:STATus:CONDition?:OPERation[:EVEN]?[:STATe]:SOURce:PON:STATe Figure 6

Introduction to Programming - 661 The following message shows how to combine commands from different subsystems as well as withinthe same subsystem: V

6 - Introduction to Programming62 The Message Unit The simplest SCPI command is a single message unit consisting of a command header (or keyword)follo

Introduction to Programming - 663 SCPI Data Formats All data programmed to or returned from the dc source is ASCII. The data may be numerical or chara

6 - Introduction to Programming64 SCPI Command Completion SCPI commands sent to the dc source are processed either sequentially or in parallel. Sequen

Introduction to Programming - 665 RS-232 Troubleshooting If you are having trouble communicating over the RS-232 interface, check the following:♦ The

677Programming the DC SourceIntroductionThis chapter contains examples on how to program your dc source. Simple examples show you how toprogram:K outp

7 - Programming the DC Source68Output VoltageThe output voltage is controlled with the VOLTage command. For example, to set the output voltage to15 vo

Programming the DC Source - 769Triggering Output ChangesThe dc source has two independent trigger systems. One is used for generating output changes,

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

7 - Programming the DC Source70Initiating the Output Trigger SystemWhen the dc source is turned on, the trigger subsystem is in the idle state. In thi

Programming the DC Source - 771Making MeasurementsThe Agilent 66111A and the Agilent 66311B both have excellent output voltage and currentmeasurement

7 - Programming the DC Source72 When the instrument is turned on and at *RST, the output voltage or current sampling rate is 15.6microseconds, and the

Programming the DC Source - 773interval and the number of data points so that an integral number of waveform cycles will end up in themeasurement buff

7 - Programming the DC Source74 FETC:CURR:LOW?FETC:VOLT:LOW?FETC:CURR:MIN?FETC:VOLT:MIN?FETC:CURR:HIGH?FETC:VOLT:HIGH?FETC:CURR:MAX?FETC:VOLT:MAX?DATA

Programming the DC Source - 775 Internally Triggered Measurements You can use the data acquisition trigger system to synchronize the timing of the vol

7 - Programming the DC Source76 The INITiate commands move the trigger system from the idle state to the initiated state. This enablesthe dc source t

Programming the DC Source - 777TRIG:ACQ:SLOP:CURR POSTRIG:ACQ:LEV:CURR <level>TRIG:ACQ:HYST:CURR <value>Trigger occurs on rising edgewhen

7 - Programming the DC Source78Multiple Triggers As shown in Figure 7-6, the dc source also has the ability to set up several measurements in succe

Programming the DC Source - 779 4096 DATA POINTS4096 DATA POINTS4096 DATA POINTSOFFSET=-4096OFFSET=-2048OFFSET=04096 DATA POINTSACQUISITIONTRIGGEROFFS

8Controller Connections 38GPIB Interface 38RS-232 Interface 384 - TURN-ON CHECKOUT 39Checkout Procedure 39In Case of Trouble 41Selftest Error Message

7 - Programming the DC Source80 8163264128LOGICAL ORSTATUS BYTE34567N.U.QUESMAVESBMSSOPERSERVICEREQUESTGENERATIONRQS81632128REQUESTENABLESERVICE121651

Programming the DC Source - 781 Table 7-1. Bit Configurations of Status Registers Bit Signal Meaning 0 5 8 10 11 CAL WTG CV CC+ CC- Operation Sta

7 - Programming the DC Source82 Questionable Status Group The Questionable Status registers record signals that indicate abnormal operation of the dc

Programming the DC Source - 783 The MSS Bit This is a real-time (unlatched) summary of all Status Byte register bits that are enabled by the ServiceRe

7 - Programming the DC Source84 Step 1 Program the Operation Status PTR register to allow a positive transition at bit 10 tobe latched into the Opera

Programming the DC Source - 785 Discrete Fault Indicator (DFI) The discrete fault indicator is an open-collector logic signal connected to the rear pa

87 8 Language Dictionary Introduction This section gives the syntax and parameters for all the IEEE 488.2 SCPI commands and the Commoncommands used b

8 – Language Dictionary88 Table 8-1. Subsystem Commands Syntax ABORt Resets the trigger system to the Idle state CALibrate :CURRent

Language Dictionary - 889 Table 8-1. Subsystem Commands Syntax (continued) OUTPut [:STATe] <bool> Enables/disables the dc source output

9Suffixes and Multipliers 63Response Data Types 63SCPI Command Completion 64Using Device Clear 64RS-232 Troubleshooting 65SCPI Conformance Information

8 – Language Dictionary90 Table 8-1. Subsystem Commands Syntax (continued) STATus :PRESet Presets all enable and transition registers to power-

Language Dictionary - 891 Common Commands Common commands begin with an * and consist of three letters (command) or three letters and a ?(query). The

8 – Language Dictionary92 Calibration Commands Calibration commands let you: K Enable and disable the calibration mode K Change the calibration passw

Language Dictionary - 893 CALibrate:DATA This command enters a calibration value that you obtain by reading an external meter. You must firstselect a

8 – Language Dictionary94 CALibrate:STATe This command enables and disables calibration mode. The calibration mode must be enabled before thedc sourc

Language Dictionary - 895 Display Commands Display commands control the front panel display of the dc source. DISPlay This command turns the front p

8 – Language Dictionary96 Format CommandsFORMatThis command selects the data type and the type length for all array queries. Supported types are ASCI

Language Dictionary - 897 Measurement Commands Measurement commands consist of measure and sense commands. Measure commands measure the output voltag

8 – Language Dictionary98 MEASure:CURRent?FETCh:CURRent? These queries return the dc output current. Query Syntax MEASure[:SCALar]:CURRent[:DC]?FET

Language Dictionary - 899 MEASure:CURRent:LOW?FETCh:CURRent:LOW?Agilent 66311B Only These queries return the Low level current of a current pulse wav