Agilent 66111A - Manuals

7 Acoustic Noise Information Herstellerbescheinigung Diese Information steht im Zusammenhang mit den Anforderungen derMaschinenl ä minformationsverordnung vom 18 Januar 1991. * Schalldruckpegel Lp <70 dB(A)* Am Arbeitsplatz* Normaler Betrieb* Nach EN 27779 (Typpr ü fung). Manufacturer’s Declarati...

8 Table of Contents Warranty Information 2 Safety Summary 3 Declaration Page 5 Acoustic Noise Information 7 Printing History 7 Table of Contents 8 1 - QUICK REFERENCE 15 The Front Panel - At a Glance 15 The Rear Panel - At a Glance 16 Instrument Configuration 16 Front Panel Number Entry 17 Front Pan...

10 Including Common Commands 70 Using Queries 71 Types of SCPI Messages 71 The Message Unit 71 Headers 71 Query Indicator 72 Message Unit Separator 72 Root Specifier 72 Message Terminator 72 SCPI Data Formats 72 Numerical Data Formats 72 Suffixes and Multipliers 73 Response Data Types 73 SCPI Comman...

11 Questionable Status Group 91 Standard Event Status Group 91 Status Byte Register 91 Determining the Cause of a Service Interrupt 92 Servicing Operation Status and Questionable Status Events 92 Monitoring Both Phases of a Status Transition 93 Inhibit/Fault Indicator 93 Remote Inhibit (RI) 93 Discr...

13 TRIGger:SEQuence2:HYSTeresis:DVM TRIGger:ACQuire:HYSTeresis:DVM 130 TRIGger:SEQuence2:HYSTeresis:VOLTage TRIGger:ACQuire:HYSTeresis:VOLTage 130 TRIGger:SEQuence2:LEVel:CURRent TRIGger:ACQuire:LEVel:CURRent 131 TRIGger:SEQuence2:LEVel:DVM TRIGger:ACQuire:LEVel:DVM 131 TRIGger:SEQuence2:LEVel:VOLTa...

14 C - ERROR MESSAGES 161 Error Number List 161 D - EXAMPLE PROGRAMS 165 Introduction 165 Assigning the GPIB Address in Programs 165 National Instruments GPIB Driver 165 BASIC 168 Pulse Measurements 169 DFI Programming Example 173 E - LINE VOLTAGE CONVERSION 175 Open the Unit 175 Configure the Power...

15 1 Quick Reference The Front Panel - At a Glance 1 A 14-character display shows output measurementsand programmed values. 2 Annunciators indicate operating modes and statusconditions. 3 Rotary control sets voltage, current, and menu parameters. Use andto set the resolution; then adjustthe value wi...

1 - Quick Reference 16 The Rear Panel - At a Glance 1 DVM inputs. Connector plug isremovable. 2 GPIB (IEEE-488) interface connector. 3 Remote front panel display connector.RS-232 interface forAgilent 66111A,66311B/D only. 4 INH/FLT (remote INHibit / internal FauLT)connector. Connector plugis removab...

Quick Reference - 1 17 Front Panel Number Entry Enter numbers from the front panel using one the following methods: Use the arrow keys and knob to change voltage or current settings NOTE: The output must be ON to see the displayed values change in Meter mode. With theoutput enabled, this method chan...

Quick Reference - 1 19 Front Panel Menus - At a Glance ADDRESS 7 Sets the GPIB Address INTF GPIB Selects an interface (GPIB | RS232) 1 BAUDRATE 300 Selects baud rate (300 | 600 | 1200 | 2400 | 4800 | 9600) 1 PARITY NONE Selects message parity (NONE | EVEN | ODD | MARK | SPACE) 1 FLOW NONE Selects fl...

1 - Quick Reference 20 SCPI Programming Commands - At a Glance NOTE: Some [optional] commands have been included for clarity. Refer to chapter 8 for acomplete description of all programming commands. ABORt SENSe CALibrate :CURRent :RANGe <n> 1 :CURRent [:POSitive] :DETector ACDC | DC 1 :NEGati...

21 2 General Information Document Orientation This manual describes the operation of the Agilent Model 66111A Fast Transient, the Agilent Model66311B/D Mobile Communications, and the Agilent Model 66309B/D Dual Output DC Source. AgilentModels 66311D and 66309D have an additional DVM measurement inpu...

2 - General Information 22 Safety Considerations This dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. Thatterminal must be connected to earth ground through a power source equipped with a ground receptacle.Refer to the Safety Summary page at the beginning of...

General Information - 2 23 Description and Model Differences The Agilent 66111A Fast Transient DC Source is a high performance dc power source that provides peakcurrent sourcing and rapid, basic measurements in a compact, half-rack box. It is designed to simplify thetesting of digital wireless commu...

2 - General Information 24 Common Capabilities ♦ Voltage and current control with 12-bit programming resolution on output 1. ê 3 ampere current source capability (up to 5 amperes for 7 milliseconds) ♦ Extensive measurement capability on output 1 ê dc voltage and current. ê rms and peak voltage and c...

General Information - 2 25 Output 1 Characteristic The dc source’s main output (output 1) characteristic is shown in the following figure. The main output ofthe dc source may be adjusted to any value within the boundaries shown. Output Voltage Output Current 3A 15V ISET -2.8A VSET CC re sis tiv e lo...

2 - General Information 26 Figure 2-1 also shows a single range − two quadrant capability. This means that the dc source is capable of sourcing as well as sinking current over the output voltage range from zero volts to the rated voltage.This negative current sinking capability provides fast downpro...

29 3 Installation Installation and Operation Checklist Check the Output Compensation  Check that the output compensation of the dc source is appropriate for your application. Refer to “Output Compensation” in this chapter. High mode provides the best transient response and can be used with phones h...

3 - Installation 30 Inspection Damage When you receive your dc source, inspect it for any obvious damage that may have occurred duringshipment. If there is damage, notify the shipping carrier and the nearest Agilent Sales and Support Officeimmediately. The list of Agilent Sales and Support Offices i...

Installation - 3 31 NOTE: This dc source generates magnetic fields that may affect the operation of otherinstruments. If your instrument is susceptible to operating magnetic fields, do not locateit in the immediate vicinity of the dc source. Typically, at three inches from the dcsource, the electrom...

3 - Installation 32 Output Connections Turn the unit off before connecting any wires. Output 1 The main output connector (output 1) has a termination for the + and − output, the + and − sense terminals, and an earth ground terminal. The 5-pin connector is removable and accepts wires sizes fromAWG 22...

Installation - 3 33 The maximum allowable value of load lead resistance is 4 ohms total (2 ohms per side). This may befurther limited to a lower value, based on peak current loading, by the maximum allowable dc voltagedrop of 8 volts total (4 volts per side) as specified for remote sense operation. ...

Installation - 3 35 LOAD OUTPUT 1/OUTPUT 2CONNECTOR + _ -S - + +S TWIST LEADS WIRE RESISTANCE LENGTH MUST BE UNDER 20 INCHES TWIST PAIR FIXTURE CONNECTIONS Figure 3-4. Remote Sense Connections with Test Fixture Load Regulation and Voltage Drop in the Remote Sense Leads The sense leads are part of th...

3 - Installation 36 Open Sense Lead Protection The main output (output 1) of the dc source has built-in open sense protection circuitry that detects ifthere is an open in either the positive or the negative remote sense lead or load lead path. For batterypowered devices, undetected open sense connec...

Installation - 3 37 If the open sense lead protection circuit detects an open sense lead, the Prot annunciator on the frontpanel turns on and the output turns off. Bit 5 in the Questionable Status Registers is also set (see chapter7 under "Programming the Status Registers"). On the front pan...

3 - Installation 38 Output Compensation High bandwidth performance and stability are achieved by using a software-switchable outputcompensation circuit. This compensation circuit has two bandwidth positions to optimize the responsefor two different ranges of phone capacitance. The compensation funct...

Installation - 3 39 OVP Considerations CAUTION: Disabling the OVP protection circuit may cause excessive output voltages, such as canoccur if the remote sense leads are shorted, to damage the equipment under test. The dc source is shipped from the factory with its overvoltage protection circuit enab...

3 - Installation 40 NOTE: The DVM is not designed to measure voltages that are greater than +25 Vdc or less than − 4.5 Vdc with respect to the negative terminal of the main output. The following sections discuss restrictions that apply when using the DVM to measure voltages on circuits that arenot p...

3 - Installation 42 External Protection Connections This rear panel connector, has a fault output port and an inhibit input port. The fault (FLT) output, alsoreferred to as the DFI (discrete fault indicator) signal in the front panel and SCPI commands, is an opencollector circuit that pulls the posi...

Installation - 3 43 Digital I/O Connections As shown in Table 3-3 and Figure 3-11, the FLT/INH connector can also be configured as a digital I/Oport. Information on programming the digital I/O port is found in chapter 5 and under[SOURce:]DIGital:DATA and [SOURce:]DIGital:FUNCtion commands in chapter...

3 - Installation 44 Dc sources may be connected to the GPIB interface in series configuration, star configuration, or acombination of the two, provided the following rules are observed: ♦ The total number of devices including the GPIB interface card is no more than 15. ♦ The total length of all cabl...

45 4 Turn-On Checkout Checkout Procedure Successful tests in this chapter provide a high degree of confidence that your unit is operating properly.For verification tests, see appendix B. Complete performance tests are given in the Service Guide. NOTE: To perform the checkout procedure, you will need...

Turn-On Checkout - 4 47 Only perform steps 23 to 33 if you are verifying an Agilent 66309B or 66309D unit. Procedure Display Explanation 23. Turn the unit on. Wait forselftest to complete andpress Shift, Channel . 2 0.025V 0.0002A Shift Channel toggles between channel 1 and channel 2. The left-most ...

4 - Turn-On Checkout 48 Table 4-1. Power-On Selftest Errors Error No. Failed Test Error 0 No error Error 1 Non-volatile RAM RD0 section checksum failed Error 2 Non-volatile RAM CONFIG section checksum failed Error 3 Non-volatile RAM CAL section checksum failed Error 4 Non-volatile RAM STATE section ...

49 5 Front panel Operation Introduction Here is what you will find in this chapter: ♦ a complete description of the front panel controls ♦ front panel programming examples NOTE: The dc source must be in set to Local mode to use the front panel controls. Press the Local key on the front panel to put ...

5 – Front Panel Operation 50 j Display 14-character vacuum fluorescent display for showing output measurements andprogrammed values. k Annunciators Annunciators light to indicate operating modes and status conditions:CV The dc source output is in constant-voltage mode.CC The dc source output is in c...

Front Panel Operation - 5 51 System Keys Refer to the examples later in this chapter for more details on the use of these keys. Local Address Recall Save Error SYSTEM Channel Figure 5-2. System Keys This is the blue, unlabeled key, which is also shown as in this guide.Pressing this key accesses the ...

5 – Front Panel Operation 52 Function Keys Refer to the examples later in this chapter for more details on the use of these keys. Meter Protect Voltage Current Output Output On/Off OV Cal OCP Prot Cir FUNCTION Input Figure 5-3. Function Keys Immediate Action Keys Immediate action keys immediately ex...

Front Panel Operation - 5 53 Metering Keys Metering keys control the metering functions of the dc source. As set from the factory, all front panelmeasurements from the main output (output 1), are calculated from a total of 2048 readings taken at a46.8 microsecond sampling rate. Therefore, the factor...

5 – Front Panel Operation 54 Output Control Keys Output control keys control the output functions of the dc source. Press this key to access the voltage menu. Display Command Function 1 VOLT <value> Sets the voltage of output 1 (the main output of all models) 2 VOLT <value> Sets the volt...

Front Panel Operation - 5 55 Entry Keys Refer to the examples later in this chapter for more details on the use of these keys. Enter Number Enter Cir Entry 1 2 3 4 5 6 7 8 9 0 . - ENTRY Backspace Figure 5-4. Entry Keys These keys let you scroll through choices in a parameter list that apply to aspec...

5 – Front Panel Operation 56 Examples of Front Panel Programming You will find these examples on the following pages:1 Using the front panel display 2 Setting the output voltage, current, and compensation 3 Setting the output 2 voltage and current 4 Querying and clearing output protection 5 Making b...

Front Panel Operation - 5 57 2 - Setting the Output Voltage, Current, Compensation, and Relay Mode This example shows you how to set the output voltage and current. It also shows you how to set thecompensation circuit for either high or low capacitance cellular phones. Relay mode only applies toAgil...

5 – Front Panel Operation 58 Setting the relay mode (Agilent 66309B/D with Option 521 only) Action Display 1. Use Output ON/OFF to make sure that the output of the selected channel is off. The output must be turned off before any relay settings take effect. If the Disannunciator is lit, the output i...

Front Panel Operation - 5 59 3. To make minor changes to an existing value: On the Function keypad, press Current . On the Entry keypad, press Æ or Ç to select the digit in the numeric field that you wish to change. For example, move the flashing digit to the tenths column to change a valuein this c...

5 – Front Panel Operation 60 5 – Making Basic Front Panel Measurements As shipped from the factory, front panel measurements for the main output (output 1) are calculated froma total of 2048 readings taken at a 46.8 microsecond sampling rate. The unit alternates between voltageand current measuremen...

Front Panel Operation - 5 61 6 – Making Enhanced Front Panel Measurements The following figure illustrates the enhanced measurement capabilities of Agilent Models 66311B/D and66309B/D for measuring output waveforms. These include peak (max), minimum, high level, and lowlevel measurements as illustra...

5 – Front Panel Operation 62 2. To change the front panel time interval and buffer size for output waveformmeasurements, press Shift, Input . Then press q until you obtain the TINT command. Use the Entry keys to enter a value from 15.6 microseconds to 1second in seconds. Then press Enter . TINT 0.00...

Front Panel Operation - 5 63 8 - Programming External Protection and the Digital Port Functions Your dc source is shipped with the output port function set to RIDFI mode. In this mode the portfunctions as a remote inhibit input with a discrete fault indicator output signal. You can also configurethe...

5 – Front Panel Operation 64 Set the Language as follows: (not valid for Agilent 66309B/D) Action Display 1. On the System keypad, press Address . ADDRESS 5 2. Scroll through the Address menu by pressing q . The LANG command lets you access the programming language. LANG:SCPI 3. The È and É keys let...

65 6 Introduction to Programming External References GPIB References The most important GPIB documents are your controller programming manuals - BASIC, GPIBCommand Library for MS DOS, etc. Refer to these for all non-SCPI commands (for example: LocalLockout). The following are two formal documents co...

6 - Introduction to Programming 66 VXI plug&play Power Products Instrument Drivers VXIplug&play instrument drivers for Microsoft Windows 95 and Windows NT are now available onthe Web at http://www.agilent.com/find/drivers. These instrument drivers provide a high-levelprogramming interface to...

Introduction to Programming - 6 67 Accessing Online Help A comprehensive online programming reference is provided with the driver. It describes how to getstarted using the instrument driver with Agilent VEE, LabVIEW, and LabWindows. It includescomplete descriptions of all function calls as well as e...

6 - Introduction to Programming 68 SPACE Seven data bits with space parity (parity is always false) NONE Eight data bits without parity Parity options are stored in non-volatile memory. Baud Rate The front panel Address key lets you select one of the following baud rates, which is stored in non-vola...

Introduction to Programming - 6 69 Conventions Used in This Guide Angle brackets < > Items within angle brackets are parameter abbreviations. For example,<NR1> indicates a specific form of numerical data. Vertical bar | Vertical bars separate alternative parameters. For example, NORM |TE...

6 - Introduction to Programming 70 Multiple Commands in a Message Multiple SCPI commands can be combined and sent as a single message with one message terminator.There are two important considerations when sending several commands within a single message: ♦ Use a semicolon to separate commands withi...

Introduction to Programming - 6 71 Using Queries Observe the following precautions with queries: ♦ Set up the proper number of variables for the returned data. ♦ Read back all the results of a query before sending another command to the dc source. Otherwise aQuery Interrupted error will occur and th...

6 - Introduction to Programming 72 Query Indicator Following a header with a question mark turns it into a query (VOLTage?, VOLTage:PROTection?). If aquery contains a parameter, place the query indicator at the end of the last header. VOLTage:PROTection? MAX Message Unit Separator When two or more m...

Introduction to Programming - 6 73 Suffixes and Multipliers Class Suffix Unit Unit with Multiplier Current A ampere MA (milliampere) Amplitude V volt MV (millivolt) Time S second MS (millisecond) Common Multipliers 1E3 K kilo 1E-3 M milli 1E-6 U micro Response Data Types Character strings returned b...

6 - Introduction to Programming 74 Using Device Clear You can send a device clear at any time abort a SCPI command that may be hanging up the GPIBinterface. The status registers, the error queue, and all configuration states are left unchanged when adevice clear message is received. Device clear per...

75 7 Programming the DC Source Introduction This chapter contains examples on how to program your dc source. Simple examples show you how toprogram: u output functions such as voltage and current u internal and external triggers u measurement functions u the status and protection functions NOTE: The...

7 - Programming the DC Source 76 Output Voltage The output voltage is controlled with the VOLTage command. To set the output voltage to 5 volts, use: VOLT 5 or VOLT2 5 for models that have a second output Maximum Voltage The maximum output voltage that can be programmed can be queried with: VOLT? MA...

Programming the DC Source - 7 77 Triggering Output Changes The dc source has two independent trigger systems. One is used for synchronizing output changes, andthe other is used for synchronizing measurements. This section describes the output trigger system. Themeasurement trigger system is describe...

7 - Programming the DC Source 78 Enabling the Output Trigger System When the dc source is turned on, the trigger subsystem is in the idle state. In this state, the triggersubsystem is disabled, ignoring all triggers. Sending the following commands at any time returns thetrigger system to the idle st...

Programming the DC Source - 7 79 Making Basic Measurements All dc sources have excellent output voltage and current measurement capability. NOTE: There is only one measurement system in the dc source. Therefore, you can perform onlyone measurement function (voltage, current, or DVM) at a time. All m...

7 - Programming the DC Source 80 When the instrument is turned on and at *RST, the output voltage or current sampling rate is 15.6microseconds, and the sweep size is set to 2048 data points. This means that it takes about 32milliseconds to fill up 2048 data points in the data buffer. Adding a comman...

Programming the DC Source - 7 81 There are two ways to make enhanced measurements: ♦ Use the MEASure queries to immediately start acquiring new voltage or current data, and returnmeasurement calculations from this data as soon as the buffer is full. This is the easiest way to makemeasurements, since...

7 - Programming the DC Source 82 Pulse Measurements After pulse data has been acquired, use FETCh queries to return measurement data in the shortest time.FETCh queries do not trigger the acquisition of new measurement data, but return different calculationsfrom the data that was acquired. If you acq...

Programming the DC Source - 7 83 Returning All Measurement Data From the Data Buffer The MEASure:ARRay and FETCh:ARRay queries return all data values of the instantaneous voltage orcurrent buffer. No weighting function is applied, returning only raw data from the buffer. The commandsare: MEAS:ARR:CU...

7 - Programming the DC Source 84 Triggered Measurements Use the measurement trigger system to synchronize the acquisition of measurements with either a BUS orinternal trigger. You can trigger voltage and current measurements on the main output (output 1) and onthe DVM. An internal trigger synchroniz...

Programming the DC Source - 7 85 Enabling the Measurement Trigger System When the dc source is turned on, the trigger system is in the idle state. In this state, the trigger system isdisabled and it ignores all triggers. Sending the following commands at any time returns the triggersystem to the idl...

7 - Programming the DC Source 86 Generating Measurement Triggers Single Triggers After you specify the appropriate trigger source and sensing function, generate triggers as follows: GPIB Triggers Send one of the following commands over the GPIB: TRIG:IMM (not affected by the trigger source setting) ...

7 - Programming the DC Source 88 Pre-trigger and Post-trigger Data Acquisition The measurement system lets you capture data before, after, or at the trigger signal. When a measurementis initiated, the dc source continuously samples the instantaneous signal level of the sensing function. Asshown in f...

7 - Programming the DC Source 90 Table 7-1. Bit Configurations of Status Registers Bit Signal Meaning 0 5 8 9 10 11 12 CAL WTG CV CV2 CC+ CC- CC2 Operation Status Group The dc source is computing new calibration constants The dc source is waiting for a trigger The dc source is in constant voltage mo...

Programming the DC Source - 7 91 Questionable Status Group The Questionable Status registers record signals that indicate abnormal operation of the dc source. Asshown in figure 7-7, the group consists of the same type of registers as the Status Operation group. Theoutputs of the Questionable Status ...

7 - Programming the DC Source 92 The MSS Bit This is a real-time (unlatched) summary of all Status Byte register bits that are enabled by the ServiceRequest Enable register. MSS is set whenever the dc source has one or more reasons for requestingservice. *STB? reads the MSS in bit position 6 of the ...

Programming the DC Source - 7 93 Step 1 Program the Operation Status PTR register to allow a positive transition at bit 10 tobe latched into the Operation Status Event register, and allow the latched event to besummed into the Operation summary bit. Use: STAT:OPER:PTR 1024;ENAB 1024 Step 2 Program t...

7 - Programming the DC Source 94 Discrete Fault Indicator (DFI) The discrete fault indicator is an open-collector logic signal connected to the rear panel FLT connectionthat can be used to signal external devices when a fault condition is detected. To select the internal faultsource that drives this...

95 8 Language Dictionary Introduction This section gives the syntax and parameters for all the IEEE 488.2 SCPI commands and the Commoncommands used by the dc source. It is assumed that you are familiar with the material in chapter 6, whichexplains the terms, symbols, and syntactical structures used ...

8 – Language Dictionary 96 Table 8-1. Subsystem Commands Syntax ABORt Resets the trigger system to the Idle state CALibrate :CURRent [:SOURce] [:DC] [:POSitive] Calibrate positive output current and high current measurement range :MEASure [:DC] :LOWRange Calibrate low current measurement range :AC C...

Language Dictionary - 8 97 Table 8-1. Subsystem Commands Syntax (continued) :DVM [:DC]? Returns DVM dc voltage measurement :ACDC? Returns DVM rms voltage measurement :VOLTage [:DC]? Returns dc voltage :ACDC? Returns the total rms voltage (ac+dc) :HIGH? Returns the HIGH level of a voltage pulse :LOW?...

Language Dictionary - 8 99 Common Commands Common commands begin with an * and consist of three letters (command) or three letters and a ?(query). They are defined by the IEEE 488.2 standard to perform common interface functions. Commoncommands and queries are categorized under System, Status, or Tr...

8 – Language Dictionary 100 Calibration Commands Calibration commands let you enable and disable the calibration mode, change the calibration password,calibrate current and voltage programming, and store new calibration constants in nonvolatile memory. NOTE: If calibration mode has not been enabled ...

8 – Language Dictionary 102 CALibrate:SAVE This command saves any new calibration constants after a calibration procedure has been completed innonvolatile memory. If CALibrate:STATe OFF is programmed without a CALibrate:SAVE, the previouscalibration constants are restored.. Command Syntax CALibrate:...

Language Dictionary - 8 103 Display Commands Display commands control the front panel display of the dc source. Annunciators are not affected. DISPlay This command turns the front panel display on or off. When off, the front panel display is blank. Command Syntax DISPlay[:WINDow][:STATe] <bool>...

8 – Language Dictionary 104 Measurement Commands Measurement commands consist of format, measure, and sense commands. Format commands specify the data formatting of all array queries. You can specify the data type, typelength, and byte order. Measure commands measure the output voltage or current. M...

Language Dictionary - 8 105 FORMat:BORDer This command selects whether the binary data is transferred in normal or swapped byte order. WhenNORMal is selected, the first byte sent is the sign bit and seven most significant bits of the exponent, andthe last byte sent is the least significant byte of t...

8 – Language Dictionary 114 Output Commands Output commands consist of instrument, output and source commands.Instrument commands control the output coupling on Agilent 66309B/D units.Output commands control the output and digital port functions.Source commands program the actual voltage, current, a...

Language Dictionary - 8 119 [SOURce:]DIGital:DATA This command programs the digital control port when the port is configured for Digital I/O operation.The port has three signal pins and a digital ground pin. Pins 1 and 2 are output pins controlled by bits 0and 1. Pin 3 is controlled by bit 2, and ca...

Language Dictionary - 8 121 [SOURce:]VOLTage:TRIGger This command sets the pending triggered voltage level of the dc source. The pending triggered level is astored voltage value that is transferred to the output terminals when a trigger occurs. In order for a triggerto occur, the trigger subsystem m...

8 – Language Dictionary 122 Table 8-4. Bit Configuration of Operation Status Registers Bit Position 15–13 12 11 10 9 8 7-6 5 4-1 0 Bit Name not used CC2 CC- CC+ CV2 CV not used WTG not used CAL Bit Weight 4096 2048 1024 512 256 32 1 CAL = The dc source is computing new calibration constants. WTG = T...

Language Dictionary - 8 125 System Commands System commands control system functions that are not directly related to output control or measurementfunctions. SYSTem:ERRor? This query returns the next error number followed by its corresponding error message string from theremote programming error que...

8 – Language Dictionary 126 Trigger Commands Trigger commands consist of trigger and initiate commands. They are used to generate output transientsand measurement triggers. Initiate commands initialize the trigger system. Trigger commands control the remote triggering of thedc source. Trigger comman...

Language Dictionary - 8 127 INITiate:CONTinuous:SEQuence1INITiate:CONTinuous:NAME TRANsient These commands control the output transient trigger system.1 or ON continuously initiates the output trigger system.. 0 or OFF turns off continuous triggering. In this state, the output trigger system must be...

8 – Language Dictionary 132 TRIGger:SEQuence2:LEVel:VOLTageTRIGger:ACQuire:LEVel:VOLTage This command sets the trigger level for internally triggered voltage measurements. A positive voltagetrigger occurs when the voltage level changes from a value less than the lower hysteresis band limit to avalue...

8 – Language Dictionary 134 TRIGger:SEQuence2:SOURceTRIGger:ACQuire:SOURce These commands select the trigger source for measurement triggers as follows: BUS GPIB device, *TRG, or <GET> (Group Execute Trigger) INTernal trigger is generated internally when the measured waveform crosses the trigg...

Language Dictionary - 8 135 Common Commands *CLS This command causes the following actions (see chapter 7 for the descriptions of all registers): u Clears the Standard Event Status, Operation Status Event, and Questionable Status Event registers u Clears the Status Byte and the Error Queue u If *CLS...

8 – Language Dictionary 136 *ESR? This query reads the Standard Event Status Event register. Reading the register clears it. The bitconfiguration is the same as the Standard Event Status Enable register (see *ESE). Query Syntax *ESR? Parameters None Returned Parameters <NR1>(Register binary va...

8 – Language Dictionary 140 *TRG This common command generates a trigger when the trigger subsystem has BUS selected as its source.The command has the same affect as the Group Execute Trigger (<GET>) command. Command Syntax *TRG Parameters None Related Commands ABOR INIT TRIG[:IMM] <GET>...

Language Dictionary - 8 141 Additional Commands The following commands are added to the language dictionary to provide limited Fluke PM2811 PowerSupply compatibility. These comands will only work when the SYSTem LANGuage is set to SCPI. INSTrument:STATe This command enables or disables the dc source...

143 A Specifications Specifications Table A-1 lists the specifications of the dc source. Unless otherwise noted, specifications are warrantedover the ambient temperature range of 0 to 55 ° C. Specifications apply with typical cellular phone capacitive loads from 0 µ F to 12,000 µ F. Sensing is at th...

A - Specifications 144 Supplemental Characteristics Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typicalperformance determined either by design or type testing. Table A-2. Supplemental Characteristics Parameter Agilent 66111A Agilent 66311B/D, Agi...

147 B Verification and Calibration Introduction This appendix includes verification and calibration procedures for the Agilent 66111A Fast Transient DCSource, and the Agilent 66311B/D, 66309B/D Mobile Communications DC Sources. Instructions aregiven for performing the procedures either from the fron...

B - Verification and Calibration 148 Load resistor DC ammeter - + Load resistor DC ammeter - + + - External DC supply A. B. C. is removable Current monitor DC voltmeter 400 ohm - + NOTE: Connector is removable NOTE: Connector is removable NOTE: Connector ExternalDC voltmeter Output 1 DVM connector -...

Verification and Calibration - B 149 Voltage Programming and Measurement Accuracy This test verifies the voltage programming, GPIB measurement, and front panel meter functions. Valuesread back over the GPIB should be the same as those displayed on the front panel. Measure the dc outputvoltage at the...

B - Verification and Calibration 150 Steps 7-11 apply to Agilent 66309B/D output 2 only 7. Turn off the dc source and connect the DMM and current monitorto output 2 as shown in figure B-1A. Then turn on the dc sourceand select Output 2. 8. Set the output 2 voltage to 5 V and the current to 0 A. Pres...

Verification and Calibration - B 151 DVM Measurement Accuracy This test verifies the DVM measurement accuracy. Connect all equipment as shown in figure B-1D. Action Normal Result 1. Turn off the dc source and connect the external DMM and theexternal power supply to the DVM inputs as shown in figure ...

B - Verification and Calibration 154 Performing the Calibration Procedure NOTE: The calibration procedure can only be performed from the front panel or using the SCPIlanguage commands. Table B-1 lists the equipment required for calibration. Figure B-1 shows the test setup. You do not have to do a co...

Verification and Calibration - B 155 Front Panel Calibration Procedure These procedures assume you understand how to operate front panel keys (see chapter 5). Make sure thesense switch is set to Remote and the sense terminals are directly jumpered to the output terminals.Calibration procedures can o...

B - Verification and Calibration 156 Steps 11-16 apply to Agilent 66309B/D output 2 only 13. Connect the external DMM (in voltage mode) directly to output 2.Do not connect the load resistor or current shunt. Select output 2. 14. Press Shift Cal , scroll to CAL VOLT2, and press Enter . CAL:VOLT2 15. ...

B - Verification and Calibration 158 DVM Calibration (applies to Agilent 66311D, 66309D only) Action Display 41. Connect the DVM inputs directly to output 1. Connect the external DMMto the DVM inputs as shown in figure B-1D. Do not connect the Agilent3478 DMM. 42. Press Shift Cal , scroll to CAL DVM...

Verification and Calibration - B 159 Calibration Error Messages Errors that can occur during calibration are shown in the following table. Table B-3. GPIB Calibration Error Messages Error Meaning 401 CAL switch prevents calibration (This is a hardware disable, see the Service Manual.) 402 CAL passwo...

161 C Error Messages Error Number List This appendix gives the error numbers and descriptions that are returned by the dc source. Errornumbers are returned in two ways: ♦ Error numbers are displayed on the front panel ♦ Error numbers and messages are read back with the SYSTem:ERRor? query. SYSTem:ER...

C – Error Messages 162 Table C-1. Error Numbers (continued –131 Invalid suffix [unrecognized units, or units not appropriate] –138 Suffix not allowed –141 Invalid character data [bad character, or unrecognized] –144 Character data too long –148 Character data not allowed –150 String data error –151 ...

165 D Example Programs Introduction The example programs in this section are intended to show how some of the same dc source functionscan be programmed to each of the following GPIB interfaces: 1. National Instruments GPIB-PCII Interface/Handler 2. BASIC Language System Assigning the GPIB Address in...

D – Example Programs 166 Error Handling If there is no error-handling code in your program, undetected errors can cause unpredictable results.This includes "hanging up" the controller and forcing you to reset the system. National Instrumentsdrivers have routines for detecting program executi...

Example Programs - D 167 1225 ’1230 ’Clear status circuit1235 CODES$="*CLS" :GOSUB 20001240 FOR I=1 TO 50 :NEXT I ’Wait for supply to clear1245 ’1250 ’Disable output and save present state to location 21255 CODES$ = "OUTPUT OFF;*SAV 2" :GOSUB 20001260 END1265 ’2000 ’Send command to d...

D – Example Programs 168 BASIC The BASIC for controllers and BASIC for Windows both provide access to GPIB functions at theoperating system level. This makes it unnecessary to have the header files required in front of DOSapplications programs. Also, you do not have to be concerned about controller ...

Example Programs - D 169 Pulse Measurements The following programs illustrate how to make a pulse measurement over the GPIB. The measurementfunction is set to ACDC, which gives the best results for current waveforms that have ac content. Themeasurement incorporates 100 readings taken at time interva...

D – Example Programs 170 360 !370 OUTPUT @Ps;"FETCH:CURR:MAX?" ! Get more data from previousmeasurement.380 ENTER @Ps;Curr_max390 PRINT "MAX CURRENT",Curr_max400 !410 OUTPUT @Ps;"FETCH:CURR:MIN?"420 ENTER @Ps;Curr_min430 PRINT "MIN CURRENT",Curr_min440 !450 OUTPUT @Ps...

Example Programs - D 173 When this program runs, it returns the DC, RMS, MIN, MAX, HIGH, and LOW data in 10 measurementdata points in the following format: Output Voltage = 1.999860; Output Current = -0.000043Arm acquisition system...Pre-trigger delay...Trigger acquisition...Dynamic voltage measurem...

175 E Line Voltage Conversion WARNING: Shock Hazard. Operating personnel must not remove instrument covers.Component replacement and internal adjustments must be made only by qualifiedservice personnel. Open the Unit ♦ Turn off ac power and disconnect the power cord from the unit. ♦ Use a #15 Torx d...

177 F Compatibility Language Introduction The Agilent 66111A and 66311B dc sources are programmatically compatible with the HP/Agilent6632A, 6633A, and 6634A dc power supplies. This means that by using COMPatibility language modeyou can program the Agilent 66111A/66311B over the GPIB using COMPatibi...

F – Compatibility Language 178 Table F-2. COMPatibility Commands Compatibility Command Description Similar SCPI Command ASTS? This command reads the contents of the accumulated statusregister, which stores any bit condition entered in the statusregister since the accumulated status register was last...

Compatibility Language - F 179 Table F-2. COMPatibility Commands (continued) Compatibility Command Description Similar SCPI Command OVSET <n> This command programs the overvoltage protection. See Table8-3 for the programming range of this command.Initial condition: MAX VOLT:PROT POL 0 | 1 Only...

183 Index — — -- -- -- -- --, 53, 60, 61, 62- sense open, 36 —+— + sense open, 36+/- sense open, 36+/- terminals, 32+S/-S terminals, 32 —0— 0 ... 9, 55 —A— AARD, 73ABORT, 126ac line conversion, 175accessories, 22ACDC, 111ACDC current detector, 60, 61, 62Agilent BASIC controller example, 168airflow, ...

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Manual Updates The following updates have been made to this manual since its publication. 7/22/99 Additional information about CV mode operation has been added to pages 25 and 26. The sampling rate for output 2 has been corrected on pages 106 and 109. The option number referred to under Output Type ...