Agilent Technologies 66319b Manuale Utente

USER’S GUIDE Agilent Technologies Model 66319B/D, 66321B/D Mobile Communications DC Source Featuring programmable output resistance (Refer t

8 – Language Dictionary 100Measurement Commands Measurement commands consist of format, measure, and sense commands. Format commands specify the data

Language Dictionary - 8 101FORMat:BORDer This command selects whether the binary data is transferred in normal or swapped byte order. When NORMal is

8 – Language Dictionary 102MEASure:CURRent? [MAX | MIN | <NR3>] FETCh:CURRent? These queries return the dc output current. You can specifying a

Language Dictionary - 8 103MEASure:CURRent:HIGH? FETCh:CURRent:HIGH? These queries return the High level current of a current pulse waveform. The ins

8 – Language Dictionary 104MEASure:CURRent:MINimum? FETCh:CURRent:MINimum? These queries return the minimum output current. Query Syntax MEASure[:S

Language Dictionary - 8 105MEASure:VOLTage2 Agilent 66319B/D only This query measures the output voltage at the auxiliary output. Output 2 measuremen

8 – Language Dictionary 106MEASure:VOLTage:LOW? FETCh:VOLTage:LOW? These queries return the Low level voltage of a voltage pulse waveform. The instru

Language Dictionary - 8 107SENSe:CURRent:DETector This command lets you select the type of detector used for output current measurements. Two choices

8 – Language Dictionary 108SENSe:LEAD:STATus? This query returns the status of the open sense detection circuit. The query must be performed with the

Language Dictionary - 8 109SENSe:SWEep:POINts This command defines the number of points in a measurement. Command Syntax SENSe:SWEep:POINts<NRf+&

11 1 Quick Reference The Front Panel - At a Glance 1 A 14-character display shows output measurements and programmed values. 2 Annunciators indicate

8 – Language Dictionary 110Output Commands Output commands consist of instrument, output and source commands. Instrument commands control the output

Language Dictionary - 8 111OUTPut[1 | 2]:RELay:MODE Agilent 66319B/66319D with Option 521 only Specifies one of the relay modes (DD, DH, HD, or HH).

8 – Language Dictionary 112Command Syntax OUTPut:COMPensation:MODE <setting> Parameters LLOCAL | LREMOTE | RLOCAL | RREMOTE *RST Value LLOCALEx

Language Dictionary - 8 113OUTPut:PROTection:CLEar This command clears the latch that disables the output when an overvoltage, overcurrent, overtempe

8 – Language Dictionary 114[SOURce:]CURRent This command sets the immediate current level of the dc source. The immediate level is the current progra

Language Dictionary - 8 115[SOURce:]CURRent:TRIGger This command sets the pending triggered current level of the dc source. The pending triggered lev

8 – Language Dictionary 116 Command Syntax [SOURce:]DIGital:DATA[:VALue] <NRf> Parameters 0 to 7 *RST Value 0 Examples DIG:DATA 7 Query Syntax

Language Dictionary - 8 117[SOURce:]VOLTage This command sets the output voltage level of the dc source. Command Syntax [SOURce:]VOLTage[:LEVel][:I

8 – Language Dictionary 118[SOURce:]VOLTage:PROTection:STATe This command enables or disables the automatic overvoltage protection tracking (OVP) fun

Language Dictionary - 8 119Status Commands Status commands program the dc source status registers. The dc source has three groups of status registers

1 - Quick Reference 12The Rear Panel - At a Glance 1 DVM inputs. Connector plug is removable. 2 GPIB (IEEE-488) interface connector. 3 Used to connec

8 – Language Dictionary 120STATus:OPERation:ENABle This command and its query set and read the value of the Operational Enable register. This registe

Language Dictionary - 8 121STATus:QUEStionable? This query returns the value of the Questionable Event register. The Event register is a read-only re

8 – Language Dictionary 122STATus:QUEStionable:NTR STATus:QUEStionable:PTR These commands allow you to set or read the value of the Questionable NTR

Language Dictionary - 8 123System Commands System commands control system functions that are not directly related to output control or measurement fu

8 – Language Dictionary 124Trigger Commands Trigger commands consist of trigger and initiate commands. They are used to generate output transients an

Language Dictionary - 8 125INITiate:CONTinuous:SEQuence1 INITiate:CONTinuous:NAME TRANsient These commands control the output transient trigger syste

8 – Language Dictionary 126TRIGger:SEQuence2 TRIGger:ACQuire These commands generate a BUS trigger for the measurement trigger system. When the measu

Language Dictionary - 8 127TRIGger:SEQuence2:COUNt:VOLTage TRIGger:ACQuire:COUNt:VOLTage This command sets up a successive number of triggers for mea

8 – Language Dictionary 128TRIGger:SEQuence2:HYSTeresis:DVM TRIGger:ACQuire:HYSTeresis:DVM Agilent 66321D/66319D only This command defines a band aro

Language Dictionary - 8 129TRIGger:SEQuence2:LEVel:CURRent TRIGger:ACQuire:LEVel:CURRent This command sets the trigger level for internally triggered

Quick Reference - 1 13Front Panel Number Entry Enter numbers from the front panel using one the following methods: Use the arrow keys and knob to cha

8 – Language Dictionary 130TRIGger:SEQuence2:LEVel:VOLTage TRIGger:ACQuire:LEVel:VOLTage This command sets the trigger level for internally triggered

Language Dictionary - 8 131 Command Syntax TRIGger:SEQuence2:SLOPe:DVM<slope> TRIGger:ACQuire:SLOPe:DVM<slope> Parameters EITHer | POSiti

8 – Language Dictionary 132TRIGger:SEQuence1:DEFine TRIGger:SEQuence2:DEFine These commands define the names that are aliased to trigger sequences 1

Language Dictionary - 8 133 Command Syntax*ESE <NRf> Parameters0 to 255 Power-On Value(See *PSC) Examples*ESE 129Query Syntax*ESE? Returned Par

8 – Language Dictionary 134*OPC does not prevent processing of subsequent commands, but bit 0 will not be set until all pending operations are comple

Language Dictionary - 8 135*RCL This command restores the dc source to a state that was previously stored in memory with the *SAV command to the spec

8 – Language Dictionary 136*SAV This command stores the present state of the dc source to the specified location in non-volatile memory. Up to 4 stat

Language Dictionary - 8 137A serial poll also returns the value of the Status Byte register, except that bit 6 returns Request for Service (RQS) inst

139 A Specifications Specifications Table A-1 lists the specifications of the dc source. Unless otherwise noted, specifications are warranted over th

1 - Quick Reference 14Front Panel Annunciators CV Output 1 or output 2 is operating in constant voltage mode. CC Output 1 or output 2 is operating

A - Specifications 140Supplemental Characteristics Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of

Specifications - A 141Table A-2. Supplemental Characteristics (continued) Parameter Agilent 66321B/D; Agilent 66319B/D output 1 only Agilent 66319B/

A - Specifications 142Table A-2. Supplemental Characteristics (continued) Parameter All Models Calibration Interval from the date the unit is put in

143 B Performance, Calibration, and Configuration Introduction This appendix contains test procedures to verify that the dc source is operating norma

B - Performance, Calibration, and Configuration 144DC Power Supply 8V @ 5A (for current sink verification/calibration) 25 V source (for DVM verifica

Performance, Calibration, and Configuration - B 145Electronic Load Many of the test procedures require the use of a variable load capable of dissipa

B - Performance, Calibration, and Configuration 146Constant Voltage (CV) Tests CV Setup If more than one meter or if a meter and an oscilloscope a

Performance, Calibration, and Configuration - B 147CV Source Effect (performance) This test measures the change in output voltage that results from a

B - Performance, Calibration, and Configuration 148c. Set the load to the Constant Current mode and program the load current to 1/2 the dc source f

Performance, Calibration, and Configuration - B 1491A Range Current Readback Accuracy (performance, calibration) This test verifies the readback acc

Quick Reference - 1 15Front Panel Menus - At a Glance ADDRESS 7 Sets the GPIB Address LANG SCPI Selects language (SCPI) REMOTE FP OFF Enables or

B - Performance, Calibration, and Configuration 150f. Turn on the dc source and set the current range readback to 3A. Program the output voltage to

Performance, Calibration, and Configuration - B 151CC Source Effect (performance) This test measures the change in output current that results when t

B - Performance, Calibration, and Configuration 152Resistance Tests Resistance Programming (performance, calibration) This test verifies the resista

Performance, Calibration, and Configuration - B 153d. Set output 1 to 15 V and repeat step c. e. Reverse the leads of the external power supply to

B - Performance, Calibration, and Configuration 154Performance Test Record Form Model Agilent 66321B/D Model Agilent 66319B/D Output 1 Report No

Performance, Calibration, and Configuration - B 155 Model 66319D/66321D DVM Input Report No _______________ Date __________________ Test Descripti

B - Performance, Calibration, and Configuration 156Performing the Calibration Procedure NOTE: The calibration procedure can only be performed from

Performance, Calibration, and Configuration - B 157Front Panel Calibration Procedure These procedures assume you understand how to operate front pane

B - Performance, Calibration, and Configuration 158Output 1 Current Programming and 3A-Range Measurement Calibration NOTE: When performing a 3A-Ran

Performance, Calibration, and Configuration - B 159AC Current Measurement Calibration Action Display 33. Disconnect all loads from the dc source bu

1 - Quick Reference 16SCPI Programming Commands - At a Glance NOTE: Some [optional] commands have been included for clarity. Refer to chapter 8 for

B - Performance, Calibration, and Configuration 160Agilent 66321D, 66319D DVM Calibration Action Display 51. Connect the DVM inputs directly to o

Performance, Calibration, and Configuration - B 161Changing the Calibration Password The factory default password is 0. You can change the password w

B - Performance, Calibration, and Configuration 162The Configuration function consists of the following menu commands. Press this key to access the

163C Error Messages Error Number List This appendix gives the error numbers and descriptions that are returned by the dc source. Error numbers are

C – Error Messages 164Table C-1. Error Numbers (continued –131 Invalid suffix [unrecognized units, or units not appropriate] –138 Suffix not allowe

Error Messages - C 165Table C-1. Error Numbers (continued Selftest Errors 0 through 99 (sets Standard Event Status Register bit #3) 0 No erro

167D Example Programs Pulse Measurements The following programs illustrate how to make a pulse measurement over the GPIB. The measurement function i

D – Example Programs 168290 OUTPUT 705;"SENS:SWE:OFFS:POIN -20" ! Number of sample points beforetrigger300 OUTPUT @Ps;"INIT:NAME ACQ&q

Example Programs - D 169Voltage Pulse Measurement Using VISA Library Calls #include <visa.h>#include <stdio.h> /* for printf */#in

17 2 General Information Document Orientation This manual describes the operation of the Agilent Model 66321B/D Mobile Communications and the Agilent

D – Example Programs 170viPrintf(instrumentHandle, "SENS:FUNC \"VOLT\"\n");viPrintf(instrumentHandle, "TRIG:ACQ:LEV:VOLT %.5

Example Programs - D 171When this program runs, it returns the DC, RMS, MIN, MAX, HIGH, and LOW data in 10 measurement data points in the foll

173E Line Voltage Conversion WARNING: Shock Hazard. Operating personnel must not remove instrument covers. Component replacement and internal adjus

E – Line Voltage Conversion 174greyorangeorangewhite/red/greygreyorangewhite/red/greygreyorangeorangewhite/red/greygreyorange(spare)orange(spare)oran

175Index — — -- -- -- -- --, 49, 56, 57, 58 - sense open, 32 —*— *RST, 161 —+— + sense open, 32 +/- sense open, 32 +/- terminals, 28 +S/-S terminals

Index 176format, 100 border, 100 common command syntax, 95 common commands, 119, 123 *CLS, 132 *ESE, 132 *ESR?, 133 *IDN?, 133 *OPC, 133 *OPT?, 134 *

Index 177Meter, 49 OCP, 48 Output, 50 Output On/Off, 48 OV, 50 Prot Clear, 48 Protect, 50 Voltage, 50 fuse, 26 —G— generating measurement triggers, 8

Index 178MSS bit, 88 multiple triggers, 74, 83 —N— negative, 131 non-volatile memory clearing, 60 storing, 47, 50 numerical data formats, 67 —O— OC,

Index 179negative, 31 sense leads, 32 resistance programming, 22 returning voltage or current data, 79 RI, 55, 89 signal, 38 RIDFI, 59 rms measuremen

2 - General Information 18Safety Considerations This dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. That t

Index 180TRIG ACQ SLOP CURR, 130 TRIG ACQ SLOP DVM, 130 TRIG ACQ SLOP VOLT, 131 TRIG ACQ SOUR, 131 TRIG SEQ1 DEF, 132 TRIG SEQ2, 126 TRIG SEQ2 COUN C

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

Manual Updates The following updates have been made to this manual since its publication. 1/10/01 The 14565 Remote Front Panel has been removed from

General Information - 2 19Description and Model Differences Agilent 66321B The Agilent 66321B Mobile Communications DC Source is a high performance d

2Warranty Information CERTIFICATION Agilent Technologies certifies that this product met its published specifications at time of shipment from the fa

2 - General Information 20! Triggered acquisition of digitized current and voltage waveforms ! External measurement trigger input on units with fir

General Information - 2 21Output 1 Characteristic The dc source's main output (output 1) characteristic is shown in the following figure. The m

2 - General Information 22NOTE: Operating the dc source beyond its output ratings may cause the output to become unregulated. This is indicated by t

General Information - 2 23Option 521 Description (Agilent 66319B/D only) Option 521 consists of the following enhancements to the output capabilities

25 3 Installation Installation and Operation Checklist Check the Output Compensation # Check that the output compensation of the dc source is appropr

3 - Installation 26Inspection Damage When you receive your dc source, inspect it for any obvious damage that may have occurred during shipment. If th

Installation - 3 27Location Figure 3-1 gives the dimensions of your dc source. The dc source must be installed in a location that allows sufficient

3 - Installation 28Input Connections Connect the Power Cord Connect the power cord to the IEC 320 connector on the rear of the unit. If the wrong po

Installation - 3 29Voltage Drops and Lead Resistance To optimize the performance and transient response in your test system, please observe the fol

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

3 - Installation 30LOADTWIST PAIROUTPUT 1/OUTPUT 2CONNECTOR+_-S - + +SWIRE RESISTANCETWIST LEADS Figure 3-2. Remote Sense Connections Con

Installation - 3 31Figure 3-4 shows how to connect remote sense leads when using a removable test fixture. Note that in this configuration, the wir

3 - Installation 32Minimizing the load lead resistance reduces voltage drops VLD+ and VLD-. ∆V can be further minimized by decreasing the resistance

Installation - 3 33The default setting for the open sense lead protection circuit is disabled or OFF. This is because applications that apply an e

3 - Installation 34Refer to the previous discussion under "Remote Sense Connections" and "Local Sensing" for more information abo

Installation - 3 35OVP Considerations CAUTION: Disabling the overvoltage protection circuit may cause excessive output voltages, which can damage

3 - Installation 36DVM Connections CAUTION: The DVM may be damaged if voltages at the input terminals exceed ±50 Vdc to ground. The DVM connector ha

Installation - 3 37Because the measurement circuits of the DVM are internally referenced to the minus terminal of the main output, you must observe

3 - Installation 38Measuring Circuits that are Floating with Respect to the Main Output In the example shown in figure 3-8, the common mode voltage b

Installation - 3 39Table 3-3. 4-Pin Connector Configurations PIN TRIGGER FAULT/INHIBIT DIGITAL I/O 1 Not used FLT Output Output 0 2 N

4 SAFETY SYMBOLS Direct current Alternating current Both direct and alternating current Three-phase alternating current Earth (ground) terminal

3 - Installation 40Digital I/O Connections As shown in Table 3-3 and Figure 3-10, the 4-pin connector can also be configured as a digital I/O port. I

41 4 Turn-On Checkout Checkout Procedure Successful tests in this chapter provide a high degree of confidence that your unit is operating properly. F

4 - Turn-On Checkout 42 Procedure Display Explanation 7. Plug the output connector back into the unit. Restores the output sense connections.

Turn-On Checkout - 4 43 Procedure Display Explanation 23. Connect a jumper wire across the + and - terminals of output 2. Shorts output 2

4 - Turn-On Checkout 44Runtime Error Messages Appendix C lists other error messages that may appear at runtime. Some of these messages will also appe

45 5 Front panel Operation Introduction Here is what you will find in this chapter: ♦ a complete description of the front panel controls ♦ front pa

5 – Front Panel Operation 46 1111 Display 14-character vacuum fluorescent display for showing output measurements and programmed values. 2222 Annunc

Front Panel Operation - 5 47System Keys Refer to the examples later in this chapter for more details on the use of these keys. LocalAddressRecallSave

5 – Front Panel Operation 48Function Keys Refer to the examples later in this chapter for more details on the use of these keys. MeterProtectVoltageC

Front Panel Operation - 5 49Metering Keys Metering keys control the metering functions of the dc source. As set from the factory, all front panel mea

5Declaration Page DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer's Name: Agilent Technologies, Inc.

5 – Front Panel Operation 50Output Control Keys Output control keys control the output functions of the dc source. Press this key to access the volt

Front Panel Operation - 5 51Entry Keys Refer to the examples later in this chapter for more details on the use of these keys. EnterNumberEnterCir En

5 – Front Panel Operation 52Examples of Front Panel Programming You will find these examples on the following pages: 1 Using the front panel display

Front Panel Operation - 5 53Set the output voltage Action Display 1. To enter an approximate value without using the voltage menu: On the Entry k

5 – Front Panel Operation 54Setting the relay mode (Agilent 66319B/66319D with Option 521 only) Action Display 1. Use Output ON/OFF to make sure th

Front Panel Operation - 5 553. To make minor changes to an existing value, press Current. The procedure to change an individual digit is explained in

5 – Front Panel Operation 565 – Making Basic Front Panel Measurements As shipped from the factory, front panel measurements for the main output (outp

Front Panel Operation - 5 576 – Making Enhanced Front Panel Measurements The following figure illustrates the enhanced measurement capabilities of Ag

5 – Front Panel Operation 58 3. Continue by pressing Shift, Input and ( until you obtain the POINT command. Press & to select a different buffer

Front Panel Operation - 5 598 - Programming Output Port Functions You can configure the output port to perform three different functions. In RIDFI mo

6 DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer's Name: Agilent Technologies, Inc. Manufacturer&apo

5 – Front Panel Operation 6010 - Storing and Recalling Instrument States You can save up to 4 states (from location 0 to location 3) in non-volatile

61 6 Introduction to Programming External References GPIB References The most important GPIB documents are your controller programming manuals - BASI

6 - Introduction to Programming 62VXIplug&play Power Products Instrument Drivers VXIplug&play instrument drivers for Microsoft Windows 95 and

Introduction to Programming - 6 63Accessing Online Help A comprehensive online programming reference is provided with the driver. It describes how to

6 - Introduction to Programming 64Types of SCPI Commands SCPI has two types of commands, common and subsystem. ♦ Common commands generally are not r

Introduction to Programming - 6 65Moving Among Subsystems In order to combine commands from different subsystems, you need to be able to reset the he

6 - Introduction to Programming 66DataKeywordsKeyword SeparatorMessage Unit SeparatorsMessage UnitQuery IndicatorMessage TerminatorRoot SpecifierVOLT

Introduction to Programming - 6 67SCPI Data Formats All data programmed to or returned from the dc source is ASCII. The data may be numerical or cha

6 - Introduction to Programming 68SCPI Command Completion SCPI commands sent to the dc source are processed either sequentially or in parallel. Seque

Introduction to Programming - 6 69SCPI Conformance Information SCPI Conformed Commands The Agilent 66321B/D and 66319B/D conform to SCPI Version 199

7Acoustic Noise Information Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenläminformationsverordn

71 7 Programming the DC Source Introduction This chapter contains examples on how to program your dc source. Simple examples show you how to program:

7 - Programming the DC Source 72Maximum Voltage The maximum output voltage that can be programmed can be queried with: VOLT? MAXOvervoltage Protectio

Programming the DC Source - 7 73Triggering Output Changes The dc source has two independent trigger systems. One is used for synchronizing output cha

7 - Programming the DC Source 74Enabling the Output Trigger System When the dc source is turned on, the trigger subsystem is in the idle state. In t

Programming the DC Source - 7 75Making Basic Measurements All dc sources have excellent output voltage and current measurement capability. NOTE: The

7 - Programming the DC Source 76When the instrument is turned on and at *RST, the output voltage or current sampling rate is 15.6 microseconds, and t

Programming the DC Source - 7 77There are two ways to make enhanced measurements: ♦ Use the MEASure queries to immediately start acquiring new volta

7 - Programming the DC Source 78Pulse Measurements After pulse data has been acquired, use FETCh queries to return measurement data in the shortest t

Programming the DC Source - 7 79Returning All Measurement Data From the Data Buffer The MEASure:ARRay and FETCh:ARRay queries return all data values

8Table of Contents Warranty Information 2 Safety Summary 3 Declaration Page 5 Acoustic Noise Information 7 Printing History 7 Table of Contents

7 - Programming the DC Source 80Triggered Measurements Use the measurement trigger system to synchronize the acquisition of measurements with either

Programming the DC Source - 7 81Enabling the Measurement Trigger System When the dc source is turned on, the trigger system is in the idle state. In

7 - Programming the DC Source 82Generating Measurement Triggers Single Triggers After you specify the appropriate trigger source and sensing functio

Programming the DC Source - 7 83One way to wait for results without tying up the computer is to use the SCPI command completion commands. For example

7 - Programming the DC Source 84Pre-trigger and Post-trigger Data Acquisition The measurement system lets you capture data before, after, or at the t

Programming the DC Source - 7 85Power-On Conditions Refer to the *RST command description in chapter 8 for the power-on conditions of the status regi

7 - Programming the DC Source 86Table 7-1. Bit Configurations of Status Registers Bit Signal Meaning 0 5 8 9 10 11 12 CAL WTG CV CV2 CC+ CC- CC

Programming the DC Source - 7 87Questionable Status Group The Questionable Status registers record signals that indicate abnormal operation of the dc

7 - Programming the DC Source 88The MSS Bit This is a real-time (unlatched) summary of all Status Byte register bits that are enabled by the Service

Programming the DC Source - 7 89 Step 1 Program the Operation Status PTR register to allow a positive transition at bit 10 to be latched into the Op

9Types of SCPI Messages 65 SCPI Data Formats 67 SCPI Command Completion 68 Using Device Clear 68 SCPI Conformance Information 69 7 - PROGRAMMIN

7 - Programming the DC Source 90Discrete Fault Indicator (DFI) The discrete fault indicator is an open-collector logic signal connected to the rear p

91 8 Language Dictionary Introduction This section gives the syntax and parameters for all the IEEE 488.2 SCPI commands and the Common commands used

8 – Language Dictionary 92Table 8-1. Subsystem Commands Syntax ABORt Resets the trigger system to the Idle state CALibrate :CURRent [

Language Dictionary - 8 93Table 8-1. Subsystem Commands Syntax (continued) :DVM [:DC]? Returns DVM dc voltage measurement

8 – Language Dictionary 94Table 8-1. Subsystem Commands Syntax (continued) :PROTection [:LEVel] <n> Sets the

Language Dictionary - 8 95Common Commands Common commands begin with an * and consist of three letters (command) or three letters and a ? (query). Th

8 – Language Dictionary 96Calibration Commands Calibration commands let you enable and disable the calibration mode, change the calibration password,

Language Dictionary - 8 97CALibrate:CURRent:MEASure:AC This command initiates the calibration of the high bandwidth (ac) measurement circuit. Command

8 – Language Dictionary 98CALibrate:RESistance This command calibrates initiates the calibration of the output resistance circuit. Command Syntax CA

Language Dictionary - 8 99Display Commands Display commands control the front panel display of the dc source. Annunciators are not affected. DISPlay