Agilent Technologies 4349B Manual
  1. Manuals
  2. Brands
  3. Agilent Technologies Manuals
  4. Measuring Instruments
  5. 4349B
  6. Manual

Agilent Technologies 4349B Manual

4-channel high resistance meter
Hide thumbs Also See for 4349B:
Table of Contents

Advertisement

Quick Links

Advertisement

Table of Contents
loading

Related Manuals for Agilent Technologies 4349B

Summary of Contents for Agilent Technologies 4349B

  • Page 3 When you notice any of the unusual conditions listed below, immediately terminate operation and disconnect the power cable. Contact your local Agilent Technologies sales representative or authorized service company for repair of the instrument. If you continue to operate without repairing the instrument, there is a potential fire or shock hazard for the operator.
  • Page 5 WARNING The 4349B 4-Channel High Resistance Meter and the 16117E Test Lead provided by Agilent Technologies conform the safety requirements of IEC and CSA, when the 4349B and the 16117E are operated following the description in this Operation Manual .
  • Page 7 Con rm the ac line frequency setting of the 4349B. 1. Press 2. Press until blinks, then press Line A blinking item means that it is currently selected. 3. If the setting is not matched to the ac line frequency, press...
  • Page 9 Agilent 4349B 4-Channel High Resistance Meter Operation Manual SERIAL NUMBERS This manual applies directly to instruments with serial number pre x JP1KD, or rmware revision 1.04 or greater. For additional important information about serial numbers, read \Serial Number" in Appendix A.
  • Page 10 This document contains proprietary information that is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of the Agilent Technologies. Agilent Technologies Japan, Ltd.
  • Page 11 4349B Manual Printing History March 1996 : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : First Edition (part number: 04349-90010)
  • Page 12 WARNINGS elsewhere in this manual may impair the protection provided by the equipment. In addition it violates safety standards of design, manufacture, and intended use of the instrument. The Agilent Technologies assumes no liability for the customer's failure to comply with these requirements. Note 4349B comply with INSTALLATION CATEGORY II and POLLUTION DEGREE 2 in IEC1010-1.
  • Page 13 4349B Dangerous Procedure Warnings Warnings , such as the example below, precede potentially dangerous procedures throughout this manual. Instructions contained in the warnings must be followed. Warning Dangerous voltages, capable of causing death, are present in this instrument. Use extreme caution when handling, testing, and adjusting...
  • Page 14 Agilent Technologies. Buyer shall prepay shipping charges to Agilent Technologies and Agilent Technologies shall pay shipping charges to return the product to Buyer. However, Buyer shall pay all shipping charges, duties, and taxes for products returned to Agilent Technologies from another country.
  • Page 15 4349B Exclusive Remedies The remedies provided herein are buyer's sole and exclusive remedies. Agilent Technologies shall not be liable for any direct, indirect, special, incidental, or consequential damages, whether based on contract, tort, or any other legal theory. Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products.
  • Page 16 4349B Safety Symbols General de nitions of safety symbols used on equipment or in manuals are listed below. Instruction manual symbol: the product is marked with this symbol when it is necessary for the user to refer to the instruction manual.
  • Page 17 4349B Herstellerbescheinigung GERX  SCHEMISSION LpA < 70 dB am Arbeitsplatz normaler Betrieb nach DIN 45635 T. 19 Manufacturer's Declaration ACOUSTIC NOISE EMISSION LpA < 70 dB operator position normal operation per ISO 7779...
  • Page 18 4349B should read this chapter rst. Chapter 2, Operating the 4349B Shows how to operate the 4349B from its front panel. Refer to this chapter when you wish to learn about operations using the front panel keys. Chapter 3, Function Reference Describes all functions of this instrument.
  • Page 19 Contains information which is required for using the handler interface. Before using the handler interface, read this appendix and set the handler interface input/output signal. Appendix C, Overload/No-Contact Operations The summary of operations when the 4349B detects OVLD (Overload), or N.C. (No-Contact).

  • Page 21: Table Of Contents

    Fuse ....... . . 1-11 Turning ON the 4349B ......1-12 Using Front Panel Keys .
  • Page 22 Printing Measurement Data ......2-15 To Test the 4349B ......2-16 Performing a Self-Test .
  • Page 23 To Control the 4349B from an External Computer ....To Set Up the 4349B ......
  • Page 24 ....... 4-13 To test the 4349B ......4-13 To Report the Instrument's Status .
  • Page 25 :DATA:FEED DBUF, < data handle > ..... 5-14 :DATA:FEED:CONTrol DBUF, ALWays NEVer ....5-14 :DATA:POINts DBUF, <...
  • Page 26 ....... 5-38 4349B Trigger System Con guration ..... 5-38 Idle State .
  • Page 27 7. Measurement Basics Introduction ....... . . Insulation Resistance Measurement ..... . Residual Charge E ect .
  • Page 28 Current Measurement Accuracy Test (Channel 1) ....9-13 Current Measurement Accuracy Test (Channel 2) ....9-13 Current Measurement Accuracy Test (Channel 3) .
  • Page 29 C. Overload/No-Contact Operations Messages Instrument Errors ......Messages-2 GPIB Errors ....... . . Messages-3 Index Contents-9...
  • Page 30 3-5. Timing Diagram ......3-17 3-6. Simpli ed Model of the 4349B ..... . . 3-19 3-7.
  • Page 31 9-5. Current Measurement Accuracy Test Setup Using DC Power Supply ..9-6. Current Measurement Accuracy Test Setup Using DC Voltage Calibrator ..9-7. Resistance Measurement Accuracy Test Setup ....9-8.
  • Page 32 Tables 1-1. Power Voltage Selector Setting ..... . . 1-11 3-1. Reset Settings ....... 3-10 3-2.

  • Page 33: Getting Started

    Getting Started Introduction This chapter provides information to get you started using your 4349B 4-Channel High Resistance Meter. This chapter discusses the following topics: Overview Initial Inspection Ventilation Requirements Instruction for Cleaning Power Cable Preparation for Use Using the Front-Panel Keys...

  • Page 34: Overview

    When insulation resistance testing for capacitor manufacturers, capacitor charge time is a key factor in slowing down measurement speed. The 4349B's front-end has a 1 k input resistance to reduce the capacitor's charge time, and thus increases test throughput.

  • Page 35: Accessories Available

    4349B Accessories Available 16117E Low Noise Test Leads (1 m, with connector, 1 unit) Options Available Option 700 4 Channels Option 001 2 Channels Getting Started...

  • Page 36: Front Panel

    2. LINE Switch turns the 4349B ON and OFF. 3. Chassis Terminal is tied to the instrument's chassis. 4. INPUT Terminals are connection ports for the test leads. (If your 4349B is equipped with Option 001, 2 Channels, then only Ch 1 and Ch 2 exist.) INSTALLATION CATEGORY I 5.
  • Page 37 4349B 15. Local Key returns the 4349B to the local mode from the GPIB remote mode. (Shift) Address Key sets the GPIB address. 16. Recall Key recalls instrument state data from the internal memory. (Shift) Save Key stores instrument state data to the internal memory.

  • Page 38: Display

    400 ms. b. Trigger shows the trigger mode is Internal, Manual, or External. c. Hold Range indicates that the 4349B is in Hold range mode. The annunciator is not displayed when in Auto mode. d. Comparator On indicates that the comparator function is ON.

  • Page 39: Rear Panel

    3. Ext Trigger Terminal is used to trigger a measurement by external signal. 4. Serial Number Plate gives the instrument's manufacturing information. 5. Line Voltage Selector Switch is used to set the 4349B to the voltage of the AC power source.

  • Page 40: Initial Inspection

    Agilent Technologies oce. If the shipping container is damaged, or the cushioning material shows signs of unusual stress, notify the carrier as well as the Agilent Technologies oce. Keep the shipping materials for the carrier's inspection.

  • Page 41: Power Cable

    4349B Power Cable In accordance with international safety standards, this instrument is equipped with a three-wire power cable. When connected to an appropriate ac power outlet, this cable grounds the instrument frame. The type of power cable shipped with each instrument depends on the country of destination.
  • Page 42 4349B Figure 1-1. Power Cable Supplied 1-10 Getting Started...

  • Page 43: Preparation For Use

    4349B Preparation for Use Before you use the 4349B, you must set the 4349B to match the available power line voltage and frequency. Set line voltage|see \Power Requirements". Set line frequency|see \Turning ON the 4349B". Power Requirements The 4349B's power source requirements are as follows:...

  • Page 44: Turning On The 4349B

    1. Connect the power cable to the Power Cord Receptacle on the rear panel. 2. Push the LINE switch in. The 4349B will emit a beep when it turns ON, and performs the self test. (If any message is displayed, see \Error Messages" back of this manual.) The 4349B will be ready for operation after a message like shown in the following gure is displayed.

  • Page 45: Using Front Panel Keys

    1. Press is blinking. 2. Press to select 3. Press . The self test will start immediately. After the test is nished, the 4349B displays any existing error code, and returns to the menu. 4. Press the menu. Getting Started...

  • Page 46: Value Setup Keys

    Back Space Key Numeric Keys Some commands use numeric parameters. A numeric parameter is the actual value used by the 4349B. For example, to set the test voltage value to 100 V, 1. Press 2. Press to enter the value and to exit.

  • Page 47: Maximum And Minimum Keys

    4349B Note Before you press the previous setting is still the current setting, even if the displayed value has changed. If you press a key other than one of the keys in ENTRY block before pressing , the setting will not change and the displayed value will be discarded.

  • Page 48: If You Have Any Problems

    4349B 2. Press . The last entered number, , is erased. If you have any problems If you have any problems operating the 4349B see \If Your 4349B Has a Problem" in Chapter 2. 1-16 Getting Started...

  • Page 49: Operating The 4349B Introduction

    Operating the 4349B Introduction This chapter provides step-by-step instructions for using the 4349B 4-Channel High Resistance Meter. This chapter includes the following sections: Installation Measurement Con guration Making measurements Testing the 4349B If You Have a Problem Refer to Chapter 3 for the description of each front panel key function.

  • Page 50: External Voltage Source

    50 mV Test Leads Use the 16117E Test Lead to connect the 4349B and the DUT. The 16117E contains one cable (1 m, with triaxial connectors on the both ends) and one connector (Triaxial Female). So, four 16117E Test Leads are required when you want to use four channels.

  • Page 51: Installation

    4349B Installation Figure 2-2 shows the typical system using the 4349B. Figure 2-2. Typical Measurement System Operating the 4349B...
  • Page 52 50 V or 50 mA to the INPUT terminals, or the 4349B's input circuits will be destroyed. Connect a current limitting resistor between the test voltage source and device under test to avoid the over current when a shorted device is connected. The series resistance value should be: Rs >...

  • Page 53: Measurement Con Guration

    To Perform the OPEN Correction Function The OPEN correction cancels the 4349B's o set error and the test xture's leakage current. To perform the OPEN correction: 1. Connect the test leads for all channels to the 4349B without connecting the DUT.

  • Page 54: To Select The Channel

    ) gives the current range status; the Auto range mode when it is OFF, or the Hold range mode when it is ON. To select the Auto range mode when the 4349B is in the hold range mode: Press . The Hold Range annunciator( ) turns OFF.

  • Page 55: To Select The Measurement Time Mode

    2. Enter the desired value. 3. Press to set the value and to exit. The current trigger delay time can be displayed in the Measurement Settings area of the LCD display (see \To Change the Measurement Settings Display"). Operating the 4349B...

  • Page 56: To Set The Contact Check

    Note The contact check feature of the 4349B discriminates Contact/NO Contact based on the di erence in capacitance between when the DUT is connected and when it is not connected (Open). Therefore, if the change of capacitance between those two di erent states is not enough, the discrimination may fail.

  • Page 57: Reading The Limit Data Of Contact Check Function

    O set Data entered by is set to `0''(default) in normal measurement. In case of a parallel capacitor measurement, will be set to the capacitance of the parallel capacitor. Note Set the o set value to more than 0. Operating the 4349B...

  • Page 58: Reading The Capacitance Data At Dut Measurement

    To Set the Beeper Mode To set the beeper mode for the comparator result reporting: 1. Press 2. Select using and press 3. Select the desired beeper mode using and press 4. Select using and press 2-10 Operating the 4349B...

  • Page 59: Saving And Recalling Instrument Settings

    4349B Saving and Recalling Instrument Settings The 4349B can save and recall the instrument's settings into non-volatile memory (EEPROM). To save the current settings: 1. Press 2. Enter the register number (0 to 9) that you want to save the settings into.

  • Page 60: Making A Measurement

    ) is ON. 2. Press to trigger a measurement. To Trigger Externally 1. Connect an external trigger source to the Ext Trigger terminal on the 4349B's rear panel. 2. Press until the Ext annunciator( ) is ON. 3. Apply a TTL level trigger signal to trigger a measurement. (Refer to \External Trigger Terminal"...
  • Page 61 3. Press Enter the upper limit value, and press To start sorting: Press To display the sorting results: 1. Press 2. Select using and press The comparator results of four channels are displayed. To stop sorting: Operating the 4349B 2-13...

  • Page 62: To Select The Display Mode And Display Digits

    , the display digits selection menu appears. Select the desired digits (3, 4, or 5) using , and press . After selecting the display digits, the 4349B returns to the display mode selection menu. To Change the Measurement Settings Display...

  • Page 63: Locking Out The Front Panel Keys

    4. Set the 4349B's GPIB address to 31 (talk only mode). Press The printer will automatically begin printing the measurement data. 5. To stop printing, change the 4349B's GPIB address to an address other than 31 (for example, 17, which is the default setting). Press...

  • Page 64: To Test The 4349B

    Testing the Front Panel Keys' Functionality The 4349B has a service function to test the functionality of the front panel keys (as well as the handler interface, the ROM, the RAM, and the EEPROM). This section describes how to test the front panel keys' functionality.

  • Page 65: If Your 4349B Has A Problem

    4349B If Your 4349B Has a Problem If the Display is Blank and the 4349B Appears Dead If the display is blank, and even the annunciators are not ON: Check the fuse. If an Error Message is Displayed Refer to \Messages."...

  • Page 67: Function Reference Introduction

    Function Reference Introduction This chapter provides information on all of the 4349B's functions. Front Panel Rear Panel Theory of Operation Function Reference...

  • Page 68: Front Panel

    The display has two functions|the character display and annunciator display. The character display displays the measurement result, setting data, and instrument messages. The 4349B has three measurement display modes. For details on the display modes, refer to \Display Mode Key ".

  • Page 69: Line Switch

    The 4349B's settings are held in backup memory for 72 hours after power is turned OFF, and are restored as the current settings when power is turned ON again within the 72 hours period.

  • Page 70: Channel Key

    Voltage Entry Key The Voltage Entry key is used to enter the test voltage value which the 4349B uses to calculate and display the resistance value. The available values are from 0 V to 5 kV with 0.1 V resolution.

  • Page 71: Display Mode Key

    4349B Display Mode Key The Display Mode key sets the 4349B to one of the following three display modes: Measure Display displays the measured result of selected channel. When the contact check function is ON and a contact check fails, the message (no-contact) is displayed instead of measured data.

  • Page 72: Trigger Key

    Address Key The Address key sets the 4349B's GPIB address. The available GPIB addresses are the integer numbers 0 to 30. Address 31 is the talk only mode in which the 4349B sends data through GPIB interface. In the talk only mode, the output data is, <...

  • Page 73: Delay Key

    While 4349B is displaying several items, these keys are used to select (a selected item blinks continuously so we will refer to selecting a setting as blinking a setting) adjacent items in the...

  • Page 74: Exponential Key

    4349B Exponential Key The Exponential key is used to enter exponential values. Back Space Key The Back Space key deletes a single preceding character of an input value. Enter Key The Enter key terminates numeric input data and the displayed menu.

  • Page 75: Contact Check Key

    The Open key executes the OPEN correction function. The OPEN correction data is used to cancel the o set error of the 4349B and the leakage of the test xture. The OPEN correction measures also the stray capacitance for the contact check function. The OPEN correction data is stored in non-volatile memory (EEPROM).

  • Page 76: Reset Key

    Reset Key The Reset key resets all instrument settings and correction data to the default values. The 4349B can also be reset by sending GPIB commands , with the same results, except in a couple of cases. The following table lists the di erence among the results of...

  • Page 77: Con Guration Key

    During power-on test, the 4349B suspends operation if an error occurs During power-on test, the 4349B takes default, and continues test. The self-test is also executed at power-on. After the test, the 4349B's settings are not a ected. return to measurement.

  • Page 78: Rear Panel

    Figure 3-2. Rear Panel External Trigger When the 4349B is set to the external trigger mode, the 4349B is triggered by an active-low rising edge TTL pulse input. Figure 3-3 shows the speci cations required for the TTL pulse. Figure 3-3. Required External Trigger Pulse Speci cation...

  • Page 79: Line Fuse Holder

    The 4349B's line fuse is selected depending on the LINE Voltage selection. LINE Voltage Selector The Line Voltage Selector is used to match the 4349B to the power line voltage being used. The line voltage selections are as follows: Table 3-2. Line Voltage selection...

  • Page 80: Handler Interface

    4349B Handler Interface The handler interface is used to synchronize timing with an external handler. Before using the handler interface, connect the pull-up resisters to enable output signals and set the dip switch to select the voltage of the input signals. Refer to Appendix B for these procedures.
  • Page 81 If an error occurs and the 4349B stops operation, these lines retain the condition that existed just before the error occurs. If an error occurs and the 4349B stops operation, the 4349B will not trigger a measurement if it receives the /EXT TRIG signal.
  • Page 82 /INDEX Index: This signal is asserted when an analog measurement is completed and the 4349B is ready for the next DUT to be connected to the INPUT terminals. The measurement data, however, is not valid until /EOM is asserted. /EOM...

  • Page 83: Timing Diagram

    4349B Figure 3-5. Timing Diagram Note This timing diagram is also applied when the contact check fails. Because the measurement is performed and the measurement result is output, even if the contact check fails. Function Reference 3-17...

  • Page 84: Gpib Interface

    In an GPIB system, there can be only one active controller at any time. Table 3-4 lists the 4349B's gpib capability and functions. These functions provide the means for an instrument to receive, process, and transmit commands, data, and status over the gpib bus.

  • Page 85: Theory Of Operation

    Figure 3-6 shows the simpli ed model of the 4349B measuring a DUT. In Figure 3-6, a DUT is connected in series with test voltage source V , and ammeter A. Ri is the 4349B's input resistance ( Ri = 1 k ).

  • Page 86: Overall Block Diagram

    Figure 3-7 shows the overall block diagram of the 4349B. Figure 3-7. 4349A Overall Block Diagram The 4349B doesn't have a test voltage source, and an external voltage source must be supplied for operation. The 4349B has four input channels, form which the test current owing through the DUT are input.

  • Page 87: Contact Check Feature

    4349B Contact check feature The contact check feature of the 4349B measures the capacitance of the DUT using a 480-kHz ac signal (OSC1) and makes the judgment of Contact/NO Contact from whether the result is greater than the limit vale. The limit value used for the judgment is determined by the following equation using the capacitance in the Open state (Cs) measured when the Open correction was executed.

  • Page 89: Remote Operation Introduction

    Remote Operation Introduction This chapter provides step-by-step instructions for controlling the 4349B using GPIB remote mode. The examples in this manual use the HP 9000 series 200 or 300 BASIC language. This chapter covers the following: Getting started Setting up the 4349B...

  • Page 90: Getting Started

    4349B Getting Started This section will teach you the basics of operating the 4349B in GPIB remote mode (from now on referred to as remote). This includes reading the GPIB address, sending commands to the 4349B, and retrieving data from the 4349B.

  • Page 91: Returning To Local Mode

    4349B generate a response to a query command by sending: When you send a query from remote, the 4349B does not display the response as it did when you executed the command from its front panel. Instead, the 4349B sends the response to its output bu er.

  • Page 92: To Control The 4349B From An External Computer

    4349B To Control the 4349B from an External Computer Most measurements can be modeled the following simple three step sequence: 1. Set up the 4349B. Typically, you begin the setup step by sending the reset command to set the instrument to its default settings.

  • Page 93: To Set Up The 4349B

    4349B To Set Up the 4349B To Reset the 4349B The following commands reset the 4349B: Note initiates the trigger system also. For example, To Set the LINE Frequency The following command sets the LINE frequency: For example, to set the LINE frequency to 50 Hz,...

  • Page 94: To Enter Voltage Value

    4349B To Enter Voltage Value The following command enters the voltage value used to calculate the resistance value: means that one of the four numbers is attached to the root mnemonic to give the channel number. For example, to enter the voltage value for the channel 1 to 100 V,...

  • Page 95: To Set The Averaging Rate

    4349B To Set the Averaging rate The following commands set the averaging rate: For example, to set the averaging rate to 4, To Set the Trigger Delay time The following command sets the trigger delay time: For example, to set the trigger delay time to 10 ms,...

  • Page 96: To Use The Comparator Function

    For example, to set the limit values for channels 1 to 4, and to enable the comparator function, To Wait Until Previously Sent Commands are Completed The following commands make the 4349B wait until the previously sent commands are completed.

  • Page 97: To Get The Current Instrument Settings

    4349B To Get the Current Instrument Settings The following command gets the current instrument settings. For example, To Save and Recall Instrument Settings The following commands save and recall instrument settings. To save the instrument settings to register no. 1, To recall the instrument settings from register no.

  • Page 98: To Trigger A Measurement

    To Trigger a Measurement The following commands are used to trigger measurements from an external controller and to handle the 4349B's trigger system. Refer to \Trigger System" in Chapter 5 for the information about the 4349B's trigger system. Group Execution Trigger (GET)
  • Page 99 4349B For example, to set to the External trigger mode: For example, to set to the Bus trigger mode: Using the IEEE 488.2 Common Command, Using the Group Execution Trigger (GET): For example, triggering a measurement regardless of the trigger source:...

  • Page 100: To Retrieve Data ECiently

    4349B To Retrieve Data Eciently The basic procedure to retrieve measurement data is described in \To Trigger a Measurement". This section describes how to retrieve the measurement data eciently. To Transfer Data Using the Real Data Format The following command transfers data faster by using the real data format to transfer the data:...

  • Page 101: Other Features

    4349B Other Features To test the 4349B The following command runs the 4349B's internal self test: For example, To Report the Instrument's Status The following commands report the instrument's status: HP BASIC command For example, to generate a service request whenever an error is placed in the error queue.
  • Page 102 4349B For example, to generate an interrupt when an error occurs in the 4349B: Clears status byte register Sets Command Error Bit and Execution Error Bit Sets Standard Event Status Register Summary Bit Tells where to branch to when interrupted...

  • Page 103: If You Have A Problem

    Check all GPIB addresses and connections; most GPIB problems are caused by an incorrect address and bad or loose GPIB cables. If the 4349B Hangs Up When You Send the ABORt Command Send the device clear command to the 4349B:...

  • Page 105: Gpib Reference Introduction

    Trigger System Data Transfer Format The 4349B can be operated using the General Purpose Interface Bus( gpib ). GPIB commands correspond to the Standard Commands for Programmable Instruments( scpi ). SCPI is the instrument command language for controlling instrument that goes beyond IEEE 488.2 to address a wide variety of instrument functions in a standard manner.
  • Page 106 4349B Subsystem Commands Command Parameter Note ABORt no query CALCulate :LIMit :BEEPer :CONDition FAIL PASS < > [:STATe] Boolean :CLEar no query :FAIL? query only :LOWer < > [:DATA] numeric value < > :STATe Boolean < > :STATe Boolean :UPPer <...
  • Page 107 4349B Subsystem Commands (continued) Command Parameter Note [SENSe] (continued) :CURRent < > :APERture numeric value :RANGe < > :AUTO Boolean < > [:UPPer] numeric value < > :FUNCtion sensor function :CONTact :DATA query only :LIMit query only < > :OFFSet numeric value <...

  • Page 108: Subsystem Command Tree

    Common commands, such as , are not part of any subsystem. The 4349B interprets them in the same way, regardless of the current path setting. Figure 5-1 shows examples of how to use the colon and semicolon to navigate eciently through the command tree.

  • Page 109: Program Message Syntax

    4349B Program Message Syntax This section provides an example of constructing of a SCPI program message. A program message is the message sent from a computer to an instrument. Program messages consist of commands combined with appropriate punctuation and program message terminators.

  • Page 110: Parameter Types

    E or e in exponentials digits left of decimal point optional 4349B settings programmed with a numeric parameter can assume a nite number of values, so the 4349B automatically rounds the parameter. For example, the 4349B has programmable line frequencies of 50 or 60 Hz.

  • Page 111: SuX

    4349B Sux When a command has speci ed sux, the sux multiplier and sux units (The sux multiplier must be used with the sux unit.) can be used with parameters. Table 5-1. Sux Multiplier De nition Sux Multiplier Sux Unit (Milli) (ampere)

  • Page 112: Command Reference

    4349B Command Reference In this section, all the commands which are available with the 4349B are listed in alphabetical order. Notations The following conventions and de nitions are used in this chapter to describe GPIB operation. < > Angular brackets enclose words or characters that are used to symbolize a program code parameter or an GPIB command.

  • Page 113: Abort Command

    4349B ABORt Command ABORt Command :ABORt command resets the trigger system and places all trigger sequences in the IDLE state. Any actions related the trigger system that are in progress, such as acquiring a measurement, are aborted immediately. The execution of an...

  • Page 114: Calculate Subsystem

    4349B CALCulate Subsystem The CALCulate subsystem controls comparator function. COMMAND PARAMETER CALCulate :LIMit :BEEPer [:STATe] < Boolean > :CONDition FAIL PASS :CLEar :FAIL? :LOWer [:DATA] < numeric value > :STATe < Boolean > :STATe < Boolean > :UPPer [:DATA] < numeric value >...

  • Page 115: Calculate :Limit:clear

    4349B CALCulate Subsystem :CALCulate :LIMit:CLEar Clears the data which is reported by command. (no query) selects the channel. :CALCulate :LIMit:FAIL? Returns the comparison result from the selected channel. (query only) selects the channel. Query response is . Where, comparison result is FAIL.

  • Page 116: Limit:upper[:Data] < Numeric Value

    Query response is CALCulate :PATH? query returns the CALCulate subsystems in the order in which they are to be performed. Actually, while the 4349B has only the subsystem other than , the query always returns . (query only)

  • Page 117: Data[:Data]? Dbuf

    DATA Subsystem The DATA subsystem commands are used to store and read measurement data to and from the 4349B's data bu er. The 4349B provides a data bu er which is named . You can store the data up to 50 measurements into...
  • Page 118 4349B < > :DATA:FEED DBUF, data handle Sets or queries whether or not measurement data is fed into data bu er, query needs parameter, , which is the data bu er's name. So, the query form is < data handle > description...
  • Page 119 4349B DISPlay Subsystem DISPlay Subsystem The DISPlay subsystem controls the selection of the channel displayed and the display mode. COMMAND PARAMETER DISPlay :ENABle < Boolean > :WINDow [:STATe] < Boolean > :TEXT1 :DIGit :PAGE :TEXT2 :PAGE Note The state of each channel's display mode, display digits and display mode of the Measurement Settings are linked.
  • Page 120 4349B :DISPlay:WINDow :TEXT1:DIGit Selects the displayed channel and display digits. selects the displayed channel. 3 digits display mode 4 digits display mode 5 digits display mode Query response is :DISPlay:WINDow :TEXT2:PAGE Selects the display mode of the Measurement Settings area.
  • Page 121 4349B's output bu er. (Query only) Query response is, < stat1 > , < data1 > , < comp1 > , < stat2 > , < data2 > , < comp2 > , < stat3 > , < data3 > , < comp3 > , <...
  • Page 122 4349B FORMat Subsystem COMMAND PARAMETER FORMat [:DATA] ASCii REAL[,64] :FORMat[:DATA] ASCii REAL[,64] Sets the data format for transferring numeric and array information retrieved using the subsystem or the query. sets data transfer format to the ASCII transfer format. sets the data transfer format to the real 64-bit transfer format.
  • Page 123 IDLE state and enter the INITIATE state. This command causes the trigger system to initiate and complete one full trigger cycle, returning to IDLE on completion. (No query) If the 4349B is not in IDLE or if is set to , an command has no e ect on the trigger system and an error 213 is generated.
  • Page 124 Performs the OPEN correction for all channels. The OPEN correction takes data with which to cancel the o set error of the 4349B and the leakage of the test xture, and takes stray capacitance data for the contact check function. The OPEN correction data is stored in non-volatile memory(EEPROM).
  • Page 125 See Chapter 8 for more detail. (query only) The capacitance value Cres returned by this command shows the total measurement system's stray capacitance, including the 4349B's internal stray capacitance. The returned Cres is typical data, and it is not guaranteed.
  • Page 126 SENSe Subsystem 4349B g < > [:SENSe]:CONTact:OFFSet numeric value Set or queries an o set of contact check limit data. Sets ( ) The o set value is set when the command is executed. See \Reading the Limit Data of Contact Check Function" in Chapter 2 for details.
  • Page 127 SENSe Subsystem [:SENSe]:CURRent:RANGe :AUTO Sets or queries if the Auto range measurement mode is enabled. In this mode the 4349B automatically selects the optimum measurement range. The Auto mode ON The Auto mode OFF and the measurement range setting is Hold mode.
  • Page 128 Query response is < numeric value > . Note The 4349B does not have a test voltage source, and this command is not used to control the test voltage level but to enter the voltage value which is used to calculate resistance.
  • Page 129 4349B STATus Subsystem STATus Subsystem The STATus subsystem commands controls the OPERation and QUEStionable resisters in the status-reporting structures(See \Status Reporting Structure"). COMMAND PARAMETER STATus :OPERation :CONDition? < numeric value > :ENABle [:EVENt]? :PRESet :QUEStionable :CONDition? :ENABle < numeric value >...
  • Page 130 Query response is the decimal expression of the contents of the register, in < NR1 > format. The 4349B has no operation to report the event to the questionable status event register, all of whose bits are always set to 0.
  • Page 131 Query response is :SYSTem:ERRor? Returns the existing error numbers and messages in the 4349B's error queue. (Query only) :SYSTem:KLOCk Sets or queries whether or not the front-panel keys of the 4349B locked.
  • Page 132 SYSTem Subsystem 4349B :SYSTem:PRESet Resets the 4349B to its default state. (no query) Reset states are as follows: Test Voltage Value CH1 : 0 V Test Voltage Value CH2 : 0 V Test Voltage Value CH3 : 0 V Test Voltage Value CH4...
  • Page 133 TTL pulse input of the rear panel's external trigger connector or the handler interface trigger a measurement. makes free running continuous measurements. The 4349B performs a measurement in response to the front-panel trigger key being pressed. Query response is GPIB Reference...
  • Page 134 LRN? (learn Device Setup) query returns a sequence of commands that places the 4349B in the current state. The returned sequence of commands can be sent back to the 4349B to place in this state. (operation complete) command tells the 4349B to set bit 0 (OPC bit) in the standard event status register when it completes all pending operations.
  • Page 135 OPC? (Operation Complete) query places an ASCII character 1 into the 4349B's Output Queue when all pending operations have been nished. OPT? (OPTion identi cation) query tells the 4349B to identify the options installed in the system interface. < > numeric value (recall) command recalls the instrument state which was stored in the speci ed register number.
  • Page 136 (status byte) query reads the status byte by reading the master summary status bit. Query response is a decimal expression of the contents of the status byte register, in < NR1 > format. (trigger) command triggers the 4349B when the trigger mode is set to the BUS trigger mode. TST? (self-test) query executes an internal self-test and returns the test result as the sum of error codes of existing errors.

  • Page 137: Status Reporting Structure

    The 4349B can send an SRQ (Service Request) control signal when it requires the controller to perform a task. When the 4349B generates an SRQ, it also sets Bit 6 of the status byte, RQS (Request Service) bit. Service Request Enable Register allows an application programmer to select which summary messages in the status byte register may cause service requests.

  • Page 138: Status Byte Register

    Description Operation Status Register Summary Bit Request Service Bit|This bit is set when the any enabled bit of the status byte has been set, which indicates the 4349B has at least one reason for requesting service. resets this bit. Standard Event Status Register Summary Bit MAV (Message Available) Bit|This bit is set whenever the 4349B has data available in Output Queue, and reset when available data is read.

  • Page 139: Standard Event Status Register

    Table 5-3. Standard Event Status Register Assignments Bit No. Bit Weight Description Power-On Bit|This bit is set when the 4349B has been turned OFF and then ON since the last time this register was read. always 0 (zero) Command Error Bit|This bit is set if the following the command errors occur.

  • Page 140: Standard Operation Status Group Structure

    Each group includes a condition register, an event register, and an enable register.(Illustrated in Figure 5-5.) The condition register re ects the internal states of 4349B. So each time the 4349B's condition is changed, its condition bit is changed from \0" to \1", or from \1" to \0".

  • Page 141: Operation Status Register Assignments

    The Questionable Status Register group provides information about the quality of 4349B output and measurement data. The 4349B has no operation to report an event to the questionable status register, whose bits are always 0. Table 5-5. Questionable Status Register Assignments Bit No.
  • Page 142 The 4349B moves between adjacent trigger states depending on its conditions. Power ON state is called idle state. You can force the 4349B to the idle state using the commands. The initiate and TRIGger Event Detection state causes the 4349B program to branch when speci ed conditions are met or not.
  • Page 143 If the condition is satis ed, the trigger system exits upward. Sequence Operation State The downward entrance to the sequence operation state forces the 4349B to start a measurement. An upward exit is not allowed until the measurement is complete. GPIB Reference...

  • Page 144: Nr1 Format

    4349B Data Transfer Format ASCii Numeric data is transferred as ASCii byte in < NR1 > (integer), < NR2 > ( xed point), or < NR3 > ( oating point) format, as appropriate. The numbers are separated by commas as speci ed in the IEEE 488.2 standard.

  • Page 145: Real Data Format

    4349B REAL Figure 5-11. Real Data Format This data eld is initiated by a unique code, the number sign (#). The second byte, \ < num digit > " designates the number of the bytes for the \ < num bytes > ". \ < num bytes > "...
  • Page 147 Do not apply a dc voltage exceeding 50 V or 50 mA to the INPUT terminals, or the 4349B's input circuits will be destroyed. Connect a current limitting resistor to avoid the over current when a shorted device is connected. Refer to \ Installation"...

  • Page 148: High Throughput Measurement System

    High Throughput Measurement This section shows the high throughput measurement example of the capacitors insulation resistance test using the 4349B, an external voltage source, and a handler. Set up the measurement systems. Figure 6-3 shows the typical system. Refer to \ Installation"...
  • Page 149 4349B Application Measurement...

  • Page 150: High Throughput Measurement Sample Program

    4349B Figure 6-2. High Throughput Measurement Sample Program Lines 70 and 80 Resets the 4349B and clears the status byte register. Line 100 Selects the resistance measurement mode. Lines 110 and 120 Enters the voltage value of 100 V for channels 1 to 4.

  • Page 151: Multi Test Voltage Measurement System

    For the reliable test of ceramic capacitors, the insulation resistance measurement at the low voltage and the high voltage is required. This section shows the multi test voltages measurement example of the capacitors insulation resistance using the 4349B (channels 1 and 2), an external voltage source, and a handler.
  • Page 152 4349B 2. Enter and run the following sample program. Application Measurement...

  • Page 153: Multi Test Voltage Measurement Sample Program

    4349B Figure 6-4. Multi Test Voltage Measurement Sample Program Lines 70 and 80 Resets the 4349B and clears the status byte register. Line 100 Selects the resistance measurement mode. Lines 110 and 120 Enters the voltage value of 1 V for channel 1, and 100 V for channel Line 130 Sets the measurement time mode to LONG.
  • Page 154 Note on Measuring Insulation Resistance of Capacitors This section provides information on how to measure the insulation resistance of capacitors using the 4349B and an external DC voltage source. It covers the following subjects: The external DC voltage source. How to select the optimum measurement range.
  • Page 155 4349B Table 6-1. Measurable DC Current and Capacitance in Each Range Measurement Measurement Current Measurement Measurable Capacitance Range Speed Range 100 pA 10 ms 30 ms 1 pA to 145 pA 1 nF 100 ms 1.4 pA to 145 pA...

  • Page 156: Additional Error Due To Voltage Source Noise

    Figure 6-5 shows the measurement error due to the external DC voltage source only. To estimate the total system measurement error, it is also necessary to include the 4349B's measurement accuracy in addition to the error shown in Figure 6-5.
  • Page 157 4349B How to Reduce the Measurement Error The measurement error due to the DC voltage source's noise can be reduced by connecting a resistor in series with the DUT(capacitor). Figure 6-6 shows the DC resistance and capacitance value that can be measured within 10% additional error when connecting a series resistor (1 k , 5 k , 10 k , 50 k , and 100 k ).

  • Page 158: Precharge Time

    4349B Precharge Time and Wait Time When setting up the system for measuring the insulation resistance of capacitors, consider the precharge time and the wait time. Note The precharge time of an ideal capacitor is described in this section. Generally, you should consider characteristics of a dielectric for the estimation of the actual precharge time.

  • Page 159: Wait Time

    4349B Wait Time Figure 6-8. Wait Time When the test voltage is di erent from the precharge voltage, a wait time is required regardless of performance of the high resistance meter. The wait time t is calculated as follows: ln (...

  • Page 161: Measurement Basics Introduction

    Measurement Basics Introduction This chapter provides information to help you work more e ectively. Insulation Resistance Measurement Residual Charge E ect Once a high resistance insulation material has been charged with a voltage, the material will continue to have a residual voltage across it for a while after the charging voltage is removed. So, when you want to measure high resistance materials after they have been charged once, wait long enough for the residual voltage to discharge or the measurement value will be incorrect.

  • Page 162: Shielding

    4349B Shielding The variation in total current as seen by the measurement circuit can be caused by power-line pickup, adjacent elds of excessive strength, exing the test leads beyond reasonable limits, or while changing the position of the leads relative to their surroundings. Most noise problems of this type are transient, and contribute more inconvenience than error.

  • Page 163: General Information Introduction

    General Information Introduction This chapter provides the following general information for the 4349B: Speci cations Supplemental Performance Characteristics General Information...

  • Page 164: Speci Cations

    R (dc resistance), I (dc current) Note The 4349B does not contain a test voltage source. An external voltage source for resistance measurements must be supplied by the user. The 4349B calculates the resistance using current (I) measurement data and the test voltage data entered into memory by the user.

  • Page 165: Measurement Range

    4349B Measurement Range R: 1 to 1 I: 1 pA to 100  A Measurement Accuracy The following conditions must be met: 1. Warm up time: 30 min 5  C 2. Ambient temperature: 23 3. Open correction has been performed.
  • Page 166 Rm:Measured value [ ] Vs: Voltage setting of the voltage source [V], Av: Voltage accuracy of the voltage source [%] Vo: Input o set voltage of the 4349B(= 2.5 mV) + O set voltage of the voltage source [V] Im: Measured value [A] When the test cable length is 1.5 to 2m...

  • Page 167: Measurement Support Functions

    4349B Measurement Support Functions Display 40-digits 2-lines LCD display. Capable of displaying: measurement values, comparator/contact check decisions, control settings, self test messages, and annunciators, annunciator labels. Open Correction Eliminates measurement errors due to the leakage in the test cable/test xture.

  • Page 168: General

    4349B General Power Requirements 100/120/220/240 V 10%, 47 to 66 Hz 45 VA max Operating Temperature, Humidity, and Altitude 0 to 45  C, 90% RH @ 40  C, 0 to 2000 meters Condensation must be avoided. Storage Temperature, Humidity, and Altitude...

  • Page 169: Supplemental Performance Characteristics

    4349B Supplemental Performance Characteristics The supplemental performance characteristics are listed below. These characteristics are not speci cations but are typical characteristics included as additional information for the operator. Typical Measurement Accuracy Resistance measurement Range Measurement Measurement Accuracy Time Mode (% of Readings)

  • Page 170: Measurable Capacitance Range

    100 ms 400 ms Current Measurement Range shows the range where the 4349B's speci ed accuracy is applied. This range is applicable for a pure resistor (non-capacitive device) measurement. Measurable Capacitance Range shows the capacitance range that can be measured in each of the 4349B's measurement ranges.

  • Page 171: Additional Error Due To The Voltage Source Noise

    4349B Additional Error Due To the Voltage Source Noise In the case of capacitor leakage current measurements, the DC voltage source noise a ects on the measurement accuracy. The additional measurement error due to the DC voltage source noise depends on the DUT's capacitance C and resistance R .

  • Page 172: Current Measurement Additional Error (Measurement Time:30 Msec)

    4349B Figure 8-3. Current Measurement Additional Error (Measurement Time:30 msec) Figure 8-4. Current Measurement Additional Error (Measurement Time:100 msec) 8-10 General Information...

  • Page 173: Current Measurement Additional Error (Measurement Time:400 Msec)

    4349B Figure 8-5. Current Measurement Additional Error (Measurement Time:400 msec) General Information 8-11...

  • Page 174: Additional Error Reduction By Connecting A Series Resistor

    4349B Additional Error Reduction by Connecting a Series Resistor The additional error due to the DC voltage source noise can be reduced by connecting a series resistor. Figure 8-6 to Figure 8-9 show esminations of 10% additional error when the 0 (no series resistor), 5 k , 10 k , 50 k , and 100 k series resistor is connected.
  • Page 175 4349B Figure 8-7. 10 % Additional Error (Measurement Time: 30 msec) Figure 8-8. 10 % Additional Error (Measurement Time: 100 msec) General Information 8-13...
  • Page 176 4349B Figure 8-9. 10 % Additional Error (Measurement Time: 400 msec) 8-14 General Information...

  • Page 177: Measurement Time

    4349B Measurement Time The total measurement time is (Actual measurement time + Display time + Deta transfer time). Actual measurement time (Typical data) Measurement time mode Analog measurement (ms) Digital measurement(ms) Total(ms) 10 ms 7(9) 9.5(11.5) 30 ms 25.5(27.5) 28(30) 100 ms 95.5(97.5)

  • Page 178: Contact Check E Ective Range

    0 : 05 where, C is the capacitance value obtained by command when the test cable/test xture is connected to the 4349B. Figure 8-10. Relation Between C and Cable Capacitance Cig The cable capacitance Cig shows the capacitance between the center condictor and the inner shield of the triaxial cable.

  • Page 179: Maintenance Introduction

    Maintenance Introduction This chapter provides information on how to maintain the 4349B. The 4349B maintenance consists of performance tests and functional tests. Test Equipment Table 9-1 lists the recommended equipment for performing 4349B maintenance. A DC voltmeter and a DC power supply are required to obtain the reference voltage. The voltage calibrators listed in Table 9-2 can be used as a substitute for them.

  • Page 180: Performance Tests

    Note Allow the 4349B to warm up for at least 30 minutes before you execute any of the performance tests. Perform all performance tests in ambient conditions of 23  C...

  • Page 181: Ammeter O Set Voltage And Input Resistance Test

    4349B Ammeter O set Voltage and Input Resistance Test The 4349B's ammeter o set voltage and input resistance are measured. Speci cations Ammeter O set Voltage: 2.5 mV Ammeter Input Resistance: 1 k Test Equipment Description Recommended Model Multimeter 3458A System DC Power Supply...

  • Page 182: Ammeter Input Resistance Test

    10. Test channel 2 using the steps 6 to 7. 11. Test channel 3 and channel 4 using the same procedure. If the 4349B is equipped with Option 001 (Two Test Channels), skip this step. Ammeter Input Resistance Test.
  • Page 183 19. Calculate the test result according to the calculation sheet, and record the result into the performance test record. 20. Remove the triaxial cable from the 4349B's channel 1 input and connect it to channel 2 input. 21. Test channel 2 using the steps 13 to 19.

  • Page 184: Current Measurement Accuracy Test

    4349B Current Measurement Accuracy Test The 4349B measures the current through the calibrated RC Box, and its readings are compared with the current values calculated from the RC Box's calibrated value and the voltage across the RC Box. Speci cation Basic Measurement Accuracy: 2 % (See Chapter 8 General Information for details.)

  • Page 185: Current Measurement Accuracy Test Setup Using Dc Power Supply

    4349B 6. Press to perform the OPEN correction. 7. Set up the equipment as shown in Figure 9-5. If the DC Voltage Calibrator listed in Table 9-2 is available, setup the equipment as shown in Figure 9-6. Figure 9-5. Current Measurement Accuracy Test Setup Using DC Power Supply Figure 9-6.

  • Page 186: Current Measurement Accuracy Test Settings

    2. 18. Test channel 2 using the steps 5 to 16. 19. Test channel 3 and channel 4 using the same procedure. If the 4349B is equipped with Option 001 (Two Test Channels), skip this step. Maintenance...

  • Page 187: Resistance Measurement Accuracy Test

    4349B Resistance Measurement Accuracy Test The 4349B measures calibrated RC Box with an external DC voltage source, and its readings are compared with the RC Box's calibration values. Speci cation Basic Measurement Accuracy: 2 % (See Chapter 8 General Information for details.)

  • Page 188: Resistance Measurement Accuracy Test Setup Using Dc Power Supply

    4349B 6. Press to perform the OPEN correction. 7. Set up the equipment as shown in Figure 9-8. If the DC Voltage Calibrator listed in Table 9-2 is available, setup the equipment as shown in Figure 9-9. Figure 9-8. Resistance Measurement Accuracy Test Setup Using DC Power Supply Figure 9-9.

  • Page 189: Resistance Measurement Accuracy Test Settings

    2. 18. Test channel 2 using the steps 4 to 16. 19. Test channel 3 and channel 4 using the same procedure. If the 4349B is equipped with Option 001 (Two Test Channels), skip this step. Maintenance...

  • Page 190: Calculation Sheet

    4349B Calculation Sheet Ammeter Input Resistance Test (Channel 1) Calibration O set L Voltage H Voltage Test Result Value [a] Voltage [b] Equation mV 1 k a (c b) (d c) Ammeter Input Resistance Test (Channel 2) Calibration O set L Voltage...

  • Page 191: Current Measurement Accuracy Test (Channel 1)

    30 ms  A b (cv7+1 k ) 100  A 10 V 10 ms  A b (cv7+1 k ) 1 k is the input impedance of the 4349B's ammeter. Current Measurement Accuracy Test (Channel 2) Test Resistor Voltage Measurement Multimeter 4349B...

  • Page 192: Current Measurement Accuracy Test (Channel 3)

    30 ms  A b (cv7+1 k ) 100  A 10 V 10 ms  A b (cv7+1 k ) 1 k is the input impedance of the 4349B's ammeter. Current Measurement Accuracy Test (Channel 4) Test Resistor Voltage Measurement Multimeter 4349B...

  • Page 193: Resistance Measurement Accuracy Test (Channel 1)

    4349B Resistance Measurement Accuracy Test (Channel 1) Resistor Voltage Measurement 4349B Reading Test Result Setting Setting Time Equation 100 V 10 ms 100 V 30 ms 100 V 30 ms 100 V 400 ms 100 V 30 ms 100 V...

  • Page 194: Resistance Measurement Accuracy Test (Channel 3)

    4349B Resistance Measurement Accuracy Test (Channel 3) Resistor Voltage Measurement 4349B Reading Test Result Setting Setting Time Equation 100 V 10 ms 100 V 30 ms 100 V 30 ms 100 V 400 ms 100 V 30 ms 100 V...

  • Page 195: Performance Test Record

    4349B Performance Test Record 4349B High Resistance Meter Serial No.: Date: Temperature: Tested by: Humidity: Maintenance 9-17...

  • Page 196: Ammeter O Set Voltage And Input Resistance Test (Channel 1)

    0.210  A 30 ms 0.007  A 100  A 2.12  A 10 ms 0.07  A Test Result = 4349B Reading (Multimeter Reading Resistor Calibration Value) Resistance Measurement Accuracy Test (Channel 1) Resistor Voltage Measurement Test Limits...

  • Page 197: Ammeter O Set Voltage And Input Resistance Test (Channel 2)

    0.210  A 30 ms 0.007  A 100  A 2.12  A 10 ms 0.07  A Test Result = 4349B Reading (Multimeter Reading Resistor Calibration Value) Resistance Measurement Accuracy Test (Channel 2) Resistor Voltage Measurement Test Limits...

  • Page 198: Ammeter O Set Voltage And Input Resistance Test (Channel 3)

    0.210  A 30 ms 0.007  A 100  A 2.12  A 10 ms 0.07  A Test Result = 4349B Reading (Multimeter Reading Resistor Calibration Value) Resistance Measurement Accuracy Test (Channel 3) Resistor Voltage Measurement Test Limits...

  • Page 199: Ammeter O Set Voltage And Input Resistance Test (Channel 4)

    0.210  A 30 ms 0.007  A 100  A 2.12  A 10 ms 0.07  A Test Result = 4349B Reading (Multimeter Reading Resistor Calibration Value) Resistance Measurement Accuracy Test (Channel 4) Resistor Voltage Measurement Test Limits...

  • Page 200: Functional Test

    4349B Functional Test Introduction This section provides the test procedures used to verify that the 4349B performs its designed functions. The functional tests can be used for post repair function veri cation. Test Equipment Table 9-1 lists the test equipment required to perform the tests described in this section.

  • Page 201: Handler Interface Functional Test

    4349B Handler Interface Functional Test The 4349B's handler interface function is tested using the built-in selftest and the handler interface tester. Test Equipment Description Recommended Model Handler Interface Tester 04339-65007 Procedure Initial Setup. 1. Turn the 4349B OFF. 2. Set the LED PW switch on the Handler Interface Tester to OFF , and set the IN1, IN2, IN3, and IN4 switches to 0 .

  • Page 202: Handler Interface Output Test

    10. Set the measurement parameter to current (I). a. Press b. Select using and press 11. Press the IN5 switch on the Handler Interface Tester, and con rm that the 4349B is triggered. Handler Interface Output Test. 12. Start the handler interface output test with the following procedure.

  • Page 203: Contact Check Functional Test

    Recommended Model SMU Test Adapter PN 04145-65001 BNC(m)-BNC(m) Adapter PN 1250-0216 Procedure 1. Reset the 4349B with the following procedure. a. Press to display the system reset settings. b. Select using and press 2. Set up the equipment as shown in Figure 9-12.
  • Page 204 8. Con rm that the 4349B displays N.C. (No Contact). 9. Connect the BNC(m)-BNC(m) adapter to the MONITOR terminal of the SMU Test Adapter. 10. Con rm that the N.C. disappears and the 4349B displays the measurement value. 11. Press to change channel, and test the other channels using the steps 2 to 10.

  • Page 205: Manual Changes Introduction

    Manual Changes To adapt this manual to your 4349B, see Table A-1 and Table A-2, and make all the manual changes listed opposite your instrument's serial number and rmware version. Instruments manufactured after the printing of this manual may be di erent from those documented in this manual.

  • Page 206: Serial Number

    4349B Serial Number Agilent Technologies uses a two-part, ten-character serial number that is stamped on the serial number plate (see Figure A-1) attached to the rear panel. The rst ve characters are the serial pre x and the last ve digits are the sux.

  • Page 207: Change 1

    4349B Change 1 Delete the following function. Limit Value Reading function ( O set Setting function ( Dut Capacitance Reading function ( Delete the following GPIB command. Manual Changes...
  • Page 208 4349B Change 2 Change Table C-1 and Table C-2 to Table A-3 and Table A-4 respectively. Table A-3. OVLD/N.C. Operations (Meas. parameter: R) Display Handler Output GPIB Output Solutions Data Comprtr Mode Mode < > stat1-4 < > OVLD OVLD...

  • Page 209: Handler Interface Installation Introduction

    Handler Interface Installation Introduction Before using the handler interface, connect the pull-up resistors to enable the output signals and set the dip switch to select the voltage level for the input signals. Electrical Characteristics Output Signals Each DC output is isolated using open collector output opto-isolators. The output voltage of each line is enabled by putting pull-up resistors on the main board, and by connecting the pull-up resistors to an externally applied DC voltage.
  • Page 210 4349B Figure B-1. Handler Interface Comparison Output Signals Diagram Handler Interface Installation...

  • Page 211: Input Signals

    4349B Figure B-2. Handler Interface Control Output Signals Diagram Input Signals The DC isolated input signals are connected to the cathodes of the LEDs in the opto-isolators. The anodes of the LEDs are powered by an external voltage source (EXT DCV2).
  • Page 212 4349B Figure B-3. Handler Interface Input Signal Diagram Handler Interface Installation...

  • Page 213: Setting Up The Handler Interface Board

    The 4349B mechanical components are secured using metric threaded fasteners. Many fasteners in the 4349B may appear to be Phillips type, but they are Pozidrive type fasteners. To avoid damaging them, use only Pozidrive screwdrivers to remove or tighten pozidrive type fasteners.
  • Page 214 4349B The following gure shows the location of the A1 main board and the A2 CPU board. 4. Remove the A2 CPU board assembly. a. Disconnect two atcables which connect the A2 board to the keyboard assembly and the LCD assembly.
  • Page 215 4349B 5. Remove the A1 main board assembly. a. Disconnect the following cable assemblies from the A1 board. i. Four (or two for Option 001) cables connected to the UNKNOWN connectors. ii. The cable assembly from the transformer. iii. Two cable assemblies from the dc-dc converter.
  • Page 216 4349B Figure B-4. A1 Main Board Handler Interface Installation...
  • Page 217 4349B Table B-3. Pull-up Resistor Locations Socket Signal Signal Signal Signal Name Type Name Type /IN1 Comparison /NO CONTACT3 Comparison Signal Signal /HI1 /IN4 (5 to 24 V) (5 to 24 V) /LO1 /HI4 /NO CONTACT1 /LO4 /IN2 /NO CONTACT4...
  • Page 218 4349B The typical pull-up resistor values are: Pull-up Pull-up Resistor Voltage Agilent Part Number 0757-0278 (1.78 k ) 0757-0279 (3.16 k ) 12 V 0698-3154 (4.22 k ) 15 V 0757-0438 (5.11 k ) EXT DCV2 EXT TRIG KEY LOCK SW1-1 SW1-2 SW1-3 5 to 6 V...
  • Page 219 Overload/No-Contact Operations Table C-1 shows the summary of operations when the 4349B detects OVLD (Overload), or N.C. (No-Contact). (Measurement parameter: R) Table C-1. OVLD/N.C. Operations (Meas. parameter: R) Display Handler Output GPIB Output Solutions Data Comprtr Mode Mode < >...
  • Page 220 4349B Table C-2. OVLD/N.C. Operations(Meas. parameter: I) Display Handler Output GPIB Output Solutions Data Comprtr Mode Mode < > stat1-4 < > OVLD OVLD HIGH /HI1-4 data1-4 : 9.9E37 Select an appropriate measurement range. < > (Overload) comp1-4 < >...
  • Page 221 Error Messages This section lists the messages that are displayed on the 4349B's LCD display or transmitted by the instrument over GPIB, in numerical order. Messages-1...
  • Page 222 Correction data and instrument settings saved in EEPROM have been lost. When this error occurs during power-on test, the 4349B sets the data in the EEPROM to the factory default settings, continues operation, and does not assert the /ALARM signal on the handler interface.
  • Page 223 GPIB Errors Command error -100 This is a generic syntax error that the 4349B cannot detect more speci c errors. This code indicates only that a command error, as de ned in IEEE 488.2, 11.5.1.1.4, has occurred. Invalid character -101 A syntax element contains a character which is invalid for that type; for example, a header...
  • Page 224 The mantissa of a decimal numeric data element contains more than 255 digits excluding leading zeros (see IEEE 488.2, 7.7.2.4.1). Numeric data not allowed -128 Legal numeric data element was received, but the 4349B does not accept it in this position for a header. Invalid sux -131 The sux does not follow the syntax described in IEEE 488.2, 7.7.3.2, or the sux is...
  • Page 225 String data not allowed -158 A string data element was encountered but was not allowed by the 4349B at this point in the syntax analysis process. Block data error -160 This error, as well as errors 161 and 168, are generated when analyzing the syntax of a block data element.
  • Page 226 4349B Expression data not allowed -178 A legal expression data was encountered but was not allowed by the 4349B at this point in the syntax analysis process. Execution errors -200 This is the generic syntax error that the 4349B cannot detect more speci c errors. This code indicates only that an execution error as de ned in IEEE 488.2, 11.5.1.1.5 has occurred.
  • Page 227 Query errors -400 This is the generic query error that the 4349B cannot detect more speci c errors. This code indicates only that a query error as de ned in IEEE 488.2, 11.5.1.1.7 and 6.3 has occurred. Query INTERRUPTED -410 A condition causing an interrupted query error occurred (see IEEE 488.1, 6.3.2.3);...
  • Page 229 Index 4-8, 5-11 , 4-10, 5-9 Adrs key , 3-6 4-8, 5-11 ammeter o set voltage and input resistance test , 9-3 4-8, 5-12 annunciator, 3-2 application measurement, 6-1 4-8, 5-12 arrow key, 3-7 , 4-8, 5-12 ASCII, 5-18, 5-40 CALCulate subsystem, 5-10 Auto/Hold key , 3-5 calculation sheet , 9-12 Auto range, 3-5...
  • Page 230 , 5-20 Execution Error Bit, 5-35 External Trigger input, 3-12 , 5-21 external trigger mode, 2-12, 3-6, 4-11 GPIB command, 5-29 , 5-21 external voltage source, 2-2 , 5-22 current measurement accuracy test , 9-6 , 5-14 , 5-23 , 5-14 , 5-23 , 4-10, 5-17 , 4-12, 5-18...
  • Page 231 Lcl key , 3-6 N.C., C-1 < numeric value > , 5-6 , 5-27 , 5-10 , 4-8, 5-30 , 4-8, 5-31 , 5-10 OPEN correction, 3-9 GPIB command, 5-20, 5-21 , 5-11 how to perform, 2-5, 4-5 OPEN correction data, 5-21 , 5-11 Open key , 3-9 Operation Complete Bit, 5-35...
  • Page 232 self-test, 3-11 sux, 5-7 GPIB command, 5-32 supplemental performance characteristics, how to perform, 2-16, 4-13 , 4-7, 5-20 , 4-7, 5-27 , 4-7, 5-20 , 4-7, 5-27 , 4-5, 5-20 , 5-27 , 5-21 , 4-7, 5-27 , 4-5, 5-21 , 4-5, 5-27 , 4-6, 5-22 , 4-5, 5-28...
  • Page 233 REGIONAL SALES AND SUPPORT OFFICES 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 and measurement sales representative.

Table of Contents