Agilent 66319b - Manuals

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 11 The Front Panel - At a Glance 11 The Rear Panel - At a Glance 12 Instrument Configuration 12 Front Panel Number Entry 13 Front Pan...

11 1 Quick Reference The Front Panel - At a Glance 1 A 14-character display shows output measurements and programmed values. 2 Annunciators indicate operating modes and status conditions. 3 Rotary control sets voltage, current, and menu parameters. Use and to set the resolution; then adjust the valu...

1 - Quick Reference 12 The Rear Panel - At a Glance 1 DVM inputs. Connector plug is removable. 2 GPIB (IEEE-488) interface connector. 3 Used to connect the Agilent 14575A remote front panel display. 4 INH/FLT connector. Can be configured for Digital I/O and Trigger input. Connector plug is removable...

Quick Reference - 1 13 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 the output enabled, this method cha...

Quick Reference - 1 15 Front Panel Menus - At a Glance ADDRESS 7 Sets the GPIB Address LANG SCPI Selects language (SCPI) REMOTE FP OFF Enables or disables Agilent 14575A remote front panel (ON | OFF) ROM: A.00.00 Displays the firmware revision of the instrument SN: US12345678 Displays the serial num...

1 - Quick Reference 16 SCPI Programming Commands - At a Glance NOTE: Some [optional] commands have been included for clarity. Refer to chapter 8 for a complete description of all programming commands. ABORt SENSe CALibrate :CURRent :RANGe <n> :CURRent [:POSitive] :DETector ACDC | DC :MEASure :...

17 2 General Information Document Orientation This manual describes the operation of the Agilent Model 66321B/D Mobile Communications and the Agilent Model 66319B/D Dual Output DC Source. Agilent Models 66321D and 66319D have an additional DVM measurement input on the rear panel. Unless otherwise no...

2 - General Information 18 Safety Considerations This dc source is a Safety Class 1 instrument, which means it has a protective earth terminal. That terminal must be connected to earth ground through a power source equipped with a ground receptacle. Refer to the Safety Summary page at the beginning ...

General Information - 2 19 Description and Model Differences Agilent 66321B The Agilent 66321B Mobile Communications DC Source is a high performance dc power source that provides peak current sourcing and rapid, basic measurements in a compact, half-rack box. It is designed to simplify the testing o...

2 - General Information 20 ! Triggered acquisition of digitized current and voltage waveforms ! External measurement trigger input on units with firmware revision A.03.01 and up ♦ Open sense lead protection on output 1. ♦ Automatic overvoltage protection tracking. ♦ Over-temperature, RI/DFI protecti...

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

2 - General Information 22 NOTE: Operating the dc source beyond its output ratings may cause the output to become unregulated. This is indicated by the UNR annunciator on the front panel. The output may also become unregulated if the ac line voltage drops below the minimum rating specified in Append...

25 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. HRemote mode provides the best transient response and can be used with phone...

3 - Installation 26 Inspection Damage When you receive your dc source, inspect it for any obvious damage that may have occurred during shipment. If there is damage, notify the shipping carrier and the nearest Agilent Sales and Support Office immediately. The list of Agilent Sales and Support Offices...

Installation - 3 27 Location Figure 3-1 gives the dimensions of your dc source. The dc source must be installed in a location that allows sufficient space at the sides and back of the unit for adequate air circulation (see Bench Operation). NOTE: This dc source generates magnetic fields that may aff...

3 - Installation 28 Input Connections Connect the Power Cord Connect the power cord to the IEC 320 connector on the rear of the unit. If the wrong power cord was shipped with your unit, contact your nearest Agilent Sales and Support Office to obtain the correct cord (refer to the list at the back of...

Installation - 3 29 Voltage Drops and Lead Resistance To optimize the performance and transient response in your test system, please observe the following guidelines: ♦ Twist the load leads together and keep them short. The shorter the leads, the better the performance. ♦ When remote sensing, twist ...

Installation - 3 31 Figure 3-4 shows how to connect remote sense leads when using a removable test fixture. Note that in this configuration, the wires in the part of the test fixture where the phone is located must be less than 50 cm (20 inches) in length. This is for stability as well as for the fa...

3 - Installation 32 Minimizing the load lead resistance reduces voltage drops V LD+ and V LD- . ∆ V can be further minimized by decreasing the resistance of the sense leads (R S+ and R S- ) as much as possible. In situation where ∆ V cannot be minimized any further, it may be compensated by programm...

Installation - 3 33 The default setting for the open sense lead protection circuit is disabled or OFF . This is because applications that apply an external voltage to the output or that use external disconnect relays may interfere with the operation of the open sense detect circuit. If you are using...

3 - Installation 34 Refer to the previous discussion under "Remote Sense Connections" and "Local Sensing" for more information about remote and local sensing. Standard dc source units are shipped from the factory with the output compensation set to HRemote mode. This mode provides th...

Installation - 3 35 OVP Considerations CAUTION: Disabling the overvoltage protection circuit may cause excessive output voltages, which can damage the phone under test. The dc source is shipped from the factory with its overvoltage protection (OVP) circuit enabled. This built-in overvoltage protecti...

3 - Installation 36 DVM Connections CAUTION: The DVM may be damaged if voltages at the input terminals exceed ± 50 Vdc to ground. The DVM connector has three pins: plus, minus, and earth ground. The 3-pin connector is removable and accepts wires sizes from AWG 22 to AWG 14. Disconnect the mating plu...

Installation - 3 37 Because the measurement circuits of the DVM are internally referenced to the minus terminal of the main output, you must observe the following restrictions in order to guarantee accurate DVM measurements (refer to figure 3-7). 66319D 66321D OUTPUT + −−−− 36V DC 6V DC DVM INPUT DV...

3 - Installation 38 Measuring Circuits that are Floating with Respect to the Main Output In the example shown in figure 3-8, the common mode voltage between the DVM inputs and the minus terminal of the main output (output 1) includes an undefined floating voltage that may result in incorrect reading...

Installation - 3 39 Table 3-3. 4-Pin Connector Configurations PIN TRIGGER FAULT/INHIBIT DIGITAL I/O 1 Not used FLT Output Output 0 2 Not used FLT Common Output 1 3 Trigger Input INH Input Input/Output 2 4 Trigger Common INH Common Common When functioning in Fault/Inhibit mode, the fault (FLT) output...

3 - Installation 40 Digital 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. 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...

41 4 Turn-On Checkout Checkout Procedure Successful tests in this chapter provide a high degree of confidence that your unit is operating properly. For performance tests, see appendix B. NOTE: To perform the checkout procedure, you will need a wire for shorting the output terminals together. The fol...

Turn-On Checkout - 4 43 Procedure Display Explanation 23. Connect a jumper wire across the + and - terminals of output 2. Shorts output 2 of the unit. 24. Press Output On/Off . 2 0.004V 1.520A The CC annunciator is on, indicating that output 2 is in constant current mode. Output 2 is sourcing curren...

4 - Turn-On Checkout 44 Runtime Error Messages Appendix C lists other error messages that may appear at runtime. Some of these messages will also appear on the front panel when the Prot key is pressed. To clear the error, you must remove the condition that caused the error and then press the Prot Cl...

45 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 46 1 1 1 1 Display 14-character vacuum fluorescent display for showing output measurements and programmed values. 2 2 2 2 Annunciators Annunciators light to indicate operating modes and status conditions: CV The dc source output is in constant-voltage mode. CC The dc source...

Front Panel Operation - 5 47 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 48 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 49 Metering Keys Metering keys control the metering functions of the dc source. As set from the factory, all front panel measurements from the main output (output 1), are calculated from a total of 2048 readings taken at a 46.8 microsecond sampling rate. Therefore, the fact...

5 – Front Panel Operation 50 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 51 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 a spe...

5 – Front Panel Operation 52 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 ...

Front Panel Operation - 5 53 Set the output voltage Action Display 1. To enter an approximate value without using the voltage menu: On the Entry keypad, press " or ! to select the 1's digit in the voltage field. Then rotate the front panel RPG knob to obtain 7 V. If the unit is in CC mode, you w...

5 – Front Panel Operation 54 Setting the relay mode (Agilent 66319B/66319D 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 Dis annunciator is lit, the ou...

Front Panel Operation - 5 55 3. To make minor changes to an existing value, press Current . The procedure to change an individual digit is explained in step 3 under "Set the output 2 voltage." NOTE: To draw current pulses greater than 1.5 A and up to 2.5 A peak on output 2, set the output cu...

5 – Front Panel Operation 56 5 – Making Basic Front Panel Measurements As shipped from the factory, front panel measurements for the main output (output 1) are calculated from a total of 2048 readings taken at a 46.8 microsecond sampling rate. The unit alternates between voltage and current measurem...

Front Panel Operation - 5 57 6 – Making Enhanced Front Panel Measurements The following figure illustrates the enhanced measurement capabilities of Agilent Models 66321B/D and 66319B/D for measuring output waveforms. These include peak (max), minimum, high level, and low level measurements as illust...

5 – Front Panel Operation 58 3. Continue by pressing Shift, Input and ( until you obtain the POINT command. Press & to select a different buffer size. The choices are: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, and 2048. Then press Enter . One reason to change the front panel time interval and...

Front Panel Operation - 5 59 8 - Programming Output Port Functions You can configure the output port to perform three different functions. In RIDFI mode, the port functions as a remote inhibit input with a discrete fault indicator output signal. In DIGIO mode, the port acts as a digital Input/Output...

5 – Front Panel Operation 60 10 - Storing and Recalling Instrument States You can save up to 4 states (from location 0 to location 3) in non-volatile memory and recall them from the front panel. All programmable settings are saved. This capability is only available when the unit is set to the SCPI p...

61 6 Introduction to Programming External References GPIB References The most important GPIB documents are your controller programming manuals - BASIC, GPIB Command Library for MS DOS, etc. Refer to these for all non-SCPI commands (for example: Local Lockout). The following are two formal documents ...

6 - Introduction to Programming 62 VXI plug&play Power Products Instrument Drivers VXI plug&play instrument drivers for Microsoft Windows 95 and Windows NT are now available on the Web at http://www.agilent.com/find/drivers. These instrument drivers provide a high-level programming interface...

Introduction to Programming - 6 63 Accessing Online Help A comprehensive online programming reference is provided with the driver. It describes how to get started using the instrument driver with Agilent VEE, LabVIEW, and LabWindows. It includes complete descriptions of all function calls as well as...

6 - Introduction to Programming 64 Types of SCPI Commands SCPI has two types of commands, common and subsystem. ♦ Common commands generally are not related to specific operation but to controlling overall dc source functions, such as reset, status, and synchronization. All common commands consist of...

Introduction to Programming - 6 65 Moving Among Subsystems In order to combine commands from different subsystems, you need to be able to reset the header path to a null string within a message. You do this by beginning the command with a colon (:), which discards any previous header path. For examp...

6 - Introduction to Programming 66 Data Keywords Keyword Separator Message Unit Separators Message Unit Query Indicator Message Terminator Root Specifier VOLT <NL> : LEV 20 PROT 21 ; ; : CURR? Figure 6-2. Command Message Structure Headers Headers, also referred to as keywords, are instructions...

Introduction to Programming - 6 67 SCPI Data Formats All data programmed to or returned from the dc source is ASCII. The data may be numerical or character string. Numerical Data Formats Symbol Response Formats <NR1> Digits with an implied decimal point assumed at the right of the least-signif...

6 - Introduction to Programming 68 SCPI Command Completion SCPI commands sent to the dc source are processed either sequentially or in parallel. Sequential commands finish execution before a subsequent command begins. Parallel commands allow other commands to begin executing while the parallel comma...

Introduction to Programming - 6 69 SCPI Conformance Information SCPI Conformed Commands The Agilent 66321B/D and 66319B/D conform to SCPI Version 1995.0. ABOR OUTP:PROT:DEL STAT:QUES:ENAB CAL:DATA OUT:PROT:STAT STAT:QUES:NTR CAL:STAT [SOUR]:CURR[:LEV][:IMM][:AMPL] STAT:QUES:PTR DISP[:WIND][:STAT] [S...

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: $ output functions such as voltage, current, and resistance $ internal and external triggers $ measurement functions $ the status and protection funct...

7 - Programming the DC Source 72 Maximum Voltage The maximum output voltage that can be programmed can be queried with: VOLT? MAX Overvoltage Protection The dc source will turn off its output if the output voltage exceeds its programmed setting by two volts when measured at the + sense and − sense t...

Programming the DC Source - 7 73 Triggering Output Changes The dc source has two independent trigger systems. One is used for synchronizing output changes, and the other is used for synchronizing measurements. This section describes the output trigger system. The measurement trigger system is descri...

7 - Programming the DC Source 74 Enabling the Output Trigger System When the dc source is turned on, the trigger subsystem is in the idle state. In this state, the trigger subsystem is disabled, ignoring all triggers. Sending the following commands at any time returns the trigger system to the idle ...

Programming the DC Source - 7 75 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 only one measurement function (voltage, current, or DVM) at a time. All ...

7 - Programming the DC Source 76 When the instrument is turned on and at *RST, the output voltage or current sampling rate is 15.6 microseconds, and the sweep size is set to 2048 data points. This means that it takes about 32 milliseconds to fill up 2048 data points in the data buffer. Adding a comm...

Programming the DC Source - 7 77 There are two ways to make enhanced measurements: ♦ Use the MEASure queries to immediately start acquiring new voltage or current data, and return measurement calculations from this data as soon as the buffer is full. This is the easiest way to make measurements, sin...

7 - Programming the DC Source 78 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 calculations from the data that was acquired. If you a...

Programming the DC Source - 7 79 Returning All Measurement Data From the Data Buffer The MEASure:ARRay and FETCh:ARRay queries return all data values of the instantaneous voltage or current buffer. No weighting function is applied, returning only raw data from the buffer. The commands are: MEAS:ARR:...

7 - Programming the DC Source 80 Triggered Measurements Use the measurement trigger system to synchronize the acquisition of measurements with either a BUS or internal trigger. You can trigger voltage and current measurements on the main output (output 1) and on the DVM. An internal trigger synchron...

Programming the DC Source - 7 81 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 is disabled and it ignores all triggers. Sending the following commands at any time returns the trigger system to the i...

7 - Programming the DC Source 82 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 84 Pre-trigger and Post-trigger Data Acquisition The measurement system lets you capture data before, after, or at the trigger signal. When a measurement is initiated, the dc source continuously samples the instantaneous signal level of the sensing function. As shown in...

7 - Programming the DC Source 86 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 87 Questionable Status Group The Questionable Status registers record signals that indicate abnormal operation of the dc source. As shown in figure 7-7, the group consists of the same type of registers as the Status Operation group. The outputs of the Questionable Statu...

7 - Programming the DC Source 88 The MSS Bit This is a real-time (unlatched) summary of all Status Byte register bits that are enabled by the Service Request Enable register. MSS is set whenever the dc source has one or more reasons for requesting service. *STB? reads the MSS in bit position 6 of th...

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 Operation Status Event register, and allow the latched event to be summed into the Operation summary bit. Use: STAT:OPER:PTR 1024;ENAB 1024 Step 2 Program...

7 - Programming the DC Source 90 Discrete Fault Indicator (DFI) The discrete fault indicator is an open-collector logic signal connected to the rear panel FLT connection that can be used to signal external devices when a fault condition is detected. To select the internal fault source that drives th...

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 by the dc source. It is assumed that you are familiar with the material in chapter 6, which explains the terms, symbols, and syntactical structures use...

8 – Language Dictionary 92 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] :R3 Calibrate middle current measurement range :LOWRang...

Language Dictionary - 8 93 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 95 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. Common commands and queries are categorized under System, Status, or ...

8 – Language Dictionary 96 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 98 CALibrate:RESistance This command calibrates initiates the calibration of the output resistance circuit. Command Syntax CALibrate:RESistance Parameters None Examples CAL:RES CALibrate:SAVE This command saves any new calibration constants after a calibration procedure has b...

Language Dictionary - 8 99 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 100 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, type length, and byte order. Measure commands measure the output voltage or current. ...

Language Dictionary - 8 101 FORMat:BORDer This command selects whether the binary data is transferred in normal or swapped byte order. When NORMal is selected, the first byte sent is the sign bit and seven most significant bits of the exponent, and the last byte sent is the least significant byte of...

8 – Language Dictionary 110 Output Commands Output commands consist of instrument, output and source commands. Instrument commands control the output coupling on Agilent 66319B/66319D units. Output commands control the output and digital port functions. Source commands program the actual voltage, cu...

Language Dictionary - 8 119 Status Commands Status commands program the dc source status registers. The dc source has three groups of status registers; Operation, Questionable, and Standard Event. The Standard Event group is programmed with Common commands as described later in this section. The Ope...

Language Dictionary - 8 123 System Commands System commands control system functions that are not directly related to output control or measurement functions. SYSTem:ERRor? This query returns the next error number followed by its corresponding error message string from the remote programming error q...

8 – Language Dictionary 124 Trigger Commands Trigger commands consist of trigger and initiate commands. They are used to generate output transients and measurement triggers. Initiate commands initialize the trigger system. Trigger commands control the remote triggering of the dc source. Trigger comm...

Language Dictionary - 8 125 INITiate:CONTinuous:SEQuence1 INITiate: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 ...

8 – Language Dictionary 132 TRIGger:SEQuence1:DEFine TRIGger:SEQuence2:DEFine These commands define the names that are aliased to trigger sequences 1 and 2. The command accepts only ACQuire for sequence 2 and TRANsient for sequence 1 as predefined names. The query allows the user to query the instru...

Language Dictionary - 8 133 Command Syntax *ESE <NRf> Parameters 0 to 255 Power-On Value (See *PSC) Examples *ESE 129 Query Syntax *ESE? Returned Parameters <NR1>(Register value) Related Commands *ESR? *PSC *STB? CAUTION: If *PSC is programmed to 0, the *ESE command causes a write cycle ...

Language Dictionary - 8 137 A serial poll also returns the value of the Status Byte register, except that bit 6 returns Request for Service (RQS) instead of Master Status Summary (MSS). A serial poll clears RQS, but not MSS. When MSS is set, it indicates that the dc source has one or more reasons fo...

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

A - Specifications 140 Supplemental Characteristics Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typical performance determined either by design or type testing. Table A-2. Supplemental Characteristics Parameter Agilent 66321B/D; Agilent 66319B/D ...

143 B Performance, Calibration, and Configuration Introduction This appendix contains test procedures to verify that the dc source is operating normally and is within published specifications. There are four types of tests as follows: Built-in Self Tests These tests run automatically when the dc sou...

B - Performance, Calibration, and Configuration 144 DC Power Supply 8V @ 5A (for current sink verification/calibration) 25 V source (for DVM verification/calibration) Agilent 6611C, 6631B 6631C, or 6633B GPIB Controller Full GPIB capabilities (only required if you are calibrating the unit over the G...

Performance, Calibration, and Configuration - B 145 Electronic Load Many of the test procedures require the use of a variable load capable of dissipating the required power. If a variable resistor is used, switches should be used to either; connect, disconnect, or short the load resistor. For most t...

B - Performance, Calibration, and Configuration 146 Constant Voltage (CV) Tests CV Setup If more than one meter or if a meter and an oscilloscope are used, connect each to the terminals by a separate pair of leads to avoid mutual coupling effects. For constant voltage dc tests, connect only to +S an...

B - Performance, Calibration, and Configuration 148 c. Set the load to the Constant Current mode and program the load current to 1/2 the dc source full- scale rated current. d. Set the electronic load's transient generator frequency to 100 Hz and its duty cycle to 50%. e. Program the load's transien...

Performance, Calibration, and Configuration - B 149 1A Range Current Readback Accuracy (performance, calibration) This test verifies the readback accuracy of the 1 ampere current range. a. Turn on the dc source and set the current range readback to 1 A. Program the output voltage to 5 V and the curr...

B - Performance, Calibration, and Configuration 150 f. Turn on the dc source and set the current range readback to 3A. Program the output voltage to zero and the current to full scale as in Table B-2. g. Record the current reading on the front panel display. Divide the voltage drop (DVM reading) acr...

Performance, Calibration, and Configuration - B 153 d. Set output 1 to 15 V and repeat step c. e. Reverse the leads of the external power supply to the DVM inputs. Keep all other connections the same. f. With output 1 set to 15 V, lower the voltage on the external power supply until the external (34...

B - Performance, Calibration, and Configuration 154 Performance Test Record Form Model Agilent 66321B/D Model Agilent 66319B/D Output 1 Report No ______________ Date __________________ Test Description Minimum Specification Results Maximum Specification CONSTANT VOLTAGE TESTS Voltage Programming and...

B - Performance, Calibration, and Configuration 156 Performing the Calibration Procedure NOTE: The calibration procedure can only be performed from the front panel or using the SCPI language commands. Table B-1 lists the equipment required for calibration. Figure B-1 shows the test setup. You do not...

Performance, Calibration, and Configuration - B 157 Front Panel Calibration Procedure These procedures assume you understand how to operate front panel keys (see chapter 5). Make sure the sense terminals are directly jumpered to the output terminals. Enable Calibration Mode Action Display 1. Reset t...

B - Performance, Calibration, and Configuration 160 Agilent 66321D, 66319D DVM Calibration Action Display 51. Connect the DVM inputs directly to output 1. Connect the external DMM to the DVM inputs as shown in figure B-1e. Do not connect the Agilent 3478 DMM. 52. Press Shift Cal , scroll to CAL DVM,...

Performance, Calibration, and Configuration - B 161 Changing the Calibration Password The factory default password is 0. You can change the password when the dc source is in calibration mode (which requires you to enter the existing password). Proceed as follows: Action Display 1. Begin by pressing ...

B - Performance, Calibration, and Configuration 162 The Configuration function consists of the following menu commands. Press this key to access the calibration menu. Simultaneously press these keys to access the configuration menu. Display Command Function CFG EXIT Exits the configuration menu and ...

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

C – Error Messages 164 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 ...

Error Messages - C 165 Table C-1. Error Numbers (continued Selftest Errors 0 through 99 (sets Standard Event Status Register bit #3) 0 No error 1 Non-volatile RAM RD0 section checksum failed 2 Non-volatile RAM CONFIG section checksum failed 3 Non-volatile RAM CAL section checksum failed 4 Non-volati...

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

D – Example Programs 168 290 OUTPUT 705;"SENS:SWE:OFFS:POIN -20" ! Number of sample points before trigger300 OUTPUT @Ps;"INIT:NAME ACQ" ! Initiate the trigger system. 310 ! Controller now waits for trigger to occur.320 OUTPUT @Ps;"FETCH:ARRAY:CURR?" ! Get the data after measu...

Example Programs - D 169 Voltage Pulse Measurement Using VISA Library Calls #include <visa.h>#include <stdio.h> /* for printf */ #include <stdlib.h> ViStatus main(void){ ViSession defRM, instrumentHandle;ViStatus err;ViReal64 measvoltage, meascurrent;ViReal64 resultDC, resultRMS, r...

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

E – Line Voltage Conversion 174 grey orange orange white/red/grey grey orange white/red/grey grey orange orange white/red/grey grey orange (spare) orange (spare) orange white/red white/black white/brown white/black white/red red black white/violetwhite/yellow white/violetwhite/yellow white/violetwhi...

175 Index — — -- -- -- -- --, 49, 56, 57, 58 - sense open, 32 —*— *RST, 161 —+— + sense open, 32 +/- sense open, 32 +/- terminals, 28 +S/-S terminals, 28 —0— 0 ... 9, 51 —A— AARD, 67 ABORT, 124 ac line conversion, 173 accessories, 18 ACDC , 107 ACDC current detector, 56, 57, 58 airflow, 27 annunciat...

Agilent Sales and Support Office For more information about Agilent Technologies test and measurement products, applications, services, and for a current sales office listing, visit our web site: http://www.agilent.com/find/tmdir You can also contact one of the following centers and ask for a test 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 Table 2-2. The Maximum current range parameter has been changed from "Max" to "3A" throughout the manual. Performance testing informati...