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Section

Topic

Page

Introduction

................................................................................................. 1-2

Source-measure capabilities

...................................................................... 1-2

Front and rear panels

................................................................................. 1-3

Navigating menus and entering numeric data

............................................ 1-4

Menu navigation

................................................................................... 1-4

Numeric data entry (EDIT keys)

........................................................... 1-4

Editing source and compliance values

....................................................... 1-4

Editing keys

.......................................................................................... 1-4

Editing procedure

................................................................................. 1-5

Toggling the source and measure display fields

.................................. 1-5

Basic connections

....................................................................................... 1-6

Front/rear terminals selection

............................................................... 1-6

2-wire connections

............................................................................... 1-6

4-wire connections

............................................................................... 1-7

Cable guard

.......................................................................................... 1-8

Ohms guard

......................................................................................... 1-9

Remote command programming

........................................................ 1-10

Basic SourceMeter operations

.................................................................. 1-10

Source-measure

................................................................................. 1-10

Measure only (V or I)

.......................................................................... 1-11

Measure ohms

................................................................................... 1-12

Remote command programming

........................................................ 1-14

Settings to optimize performance

............................................................. 1-17

Range

................................................................................................. 1-17

Speed

................................................................................................. 1-18

Digits

.................................................................................................. 1-18

Filter

................................................................................................... 1-18

Rel (nulling offsets)

............................................................................. 1-19

Remote command programming

........................................................ 1-20

Features to enhance DUT testing

............................................................ 1-20

Data store

........................................................................................... 1-20

Sweep operation

................................................................................ 1-22

Performing sweeps

............................................................................. 1-26

Limit testing

........................................................................................ 1-30

Math functions

.................................................................................... 1-33

Pulse mode (Model 2430 only)

.......................................................... 1-36

Table of Contents

Содержание SourceMeter 2400

Страница 1: ...er Quick Start Guide 2400S 903 01 Rev E September 2011 Distribution in the UK Ireland Lambda Photometrics Limited Lambda House Batford Mill Harpenden Herts AL5 5BZ United Kingdom E info lambdaphoto co...

Страница 3: ...ignals that are rated Measurement Category I and Measurement Category II as described in the International Electrotechnical Commission IEC Standard IEC 60664 Most measurement control and data I O sign...

Страница 4: ...risk of danger Use standard safety precautions to avoid personal contact with these voltages The symbol on an instrument shows that the surface may be hot Avoid personal contact to prevent burns The...

Страница 5: ...tion 1 6 2 wire connections 1 6 4 wire connections 1 7 Cable guard 1 8 Ohms guard 1 9 Remote command programming 1 10 Basic SourceMeter operations 1 10 Source measure 1 10 Measure only V or I 1 11 Mea...

Страница 6: ...rce measure capabilities 1 2 Front and rear panels 1 3 Navigating menus and entering numeric data 1 4 Editing source and compliance values 1 4 Basic connections 1 6 Basic SourceMeter operations 1 10 S...

Страница 7: ...For operations where command sequence is important programming examples are provided The exact programming syntax will depend on the test program language Source measure capabilities Model 2400 Sourc...

Страница 8: ...ource power is 110W Maximum pulse source power is 1 1kW Model 2440 Source voltage from 5 V to 42V measure voltage from 1 V to 42V Source current from 500pA to 5 25A measure current from 100pA to 5 25A...

Страница 9: ...EDIT keys Numeric values must to be entered for some menu items Numeric entry is also used to set source and compliance values The edit keys for numeric entry include the EDIT arrow keys to control cu...

Страница 10: ...er the source or compliance display field to be edited 2 If desired use the RANGE arrow keys to select the desired source or compliance range 3 To simply increment or decrement the display value use t...

Страница 11: ...t panel or disconnect the main power cord from the rear of the SourceMeter before handling cables connected to the outputs Putting the equipment into standby mode does not guarantee the outputs are no...

Страница 12: ...ons Test circuit impedance is 1k Optimum ohms V source and or V measure accuracy is required With 4 wire sensing selected the 4W annunciator is on The following menu sequence selects 4 wire remote sen...

Страница 13: ...URCE I or MEAS select GUARD select CABLE The guard terminal of the SourceMeter is at virtually the same potential as input output HI Therefore if there is hazardous voltage at input output HI it is al...

Страница 14: ...y the same potential the voltage drop across R will be 0V and therefore the current through R will be 0A Virtually all the current from In Out HI will flow through the DUT resulting in an accurate mea...

Страница 15: ...he SourceMeter Source V Measure I Source I Measure V Source V Measure V Source I Measure I The basic procedure to source measure is provided in Table 2 It assumes that the DUT is already connected to...

Страница 16: ...ISPLAY EDIT key to place cursor in source field Vsrc or Isrc use RANGE arrow keys to select range use edit keys to key in source value then press ENTER 3 Set compliance limit Use DISPLAY EDIT key to p...

Страница 17: ...oltage or current measurement range the measurement function will display the calculated V I ohms reading Table 1 3 Measure only V or I procedure Procedure Details 1 Select source measure functions To...

Страница 18: ...re Details 1 Select ohms measurement function Press MEAS 2 Select auto ohms measurement method Press CONFIG press MEAS select SOURCE select AUTO 3 Select measurement range Use RANGE arrow keys to manu...

Страница 19: ...offset compensation NOTE Manual offset compensated ohms is also available as a math function FCTN This math function allows you to specify both source levels see Math functions in Features to enhance...

Страница 20: ...ect V or I measure range n range SENSe xxx RANGe AUTO b Enable or disable auto range b ON or OFF OUTPut b Turn output on or off b ON or OFF READ Trigger and acquire one data string 1 For measure only...

Страница 21: ...RST Restore GPIB defaults one shot source measure mode SOUR FUNC VOLT Select voltage source function SOUR VOLT MODE FIX Select fixed voltage source mode SOUR VOLT RANG 20 Select 20V source range SOUR...

Страница 22: ...elect ohms measurement function SENS RES RANG 200 Select 200 range SENS RES MODE AUTO Select the auto ohms measurement method SYST RSEN ON Select 4 wire sense mode OUTP ON Turn the output on READ Trig...

Страница 23: ...key until the desired number of digits are displayed Another way to set display resolution is with the following menu sequence Press CONFIG press DIGITS select 3 5 4 5 5 5 or 6 5 NOTE Changing DIGITS...

Страница 24: ...the following menu sequence to select filter type Press CONFIG press FILTER select AVERAGE MODE select MOVING or REPEAT Filter count Use the following menu sequence to select the amount of filtering...

Страница 25: ...r is enabled To start the storage process turn the output on and if necessary trigger the unit The star annunciator turns off after storage is completed Table 1 12 SCPI commands speed digits filter an...

Страница 26: ...To change the timestamp exit from the recall mode and use the following menu sequence Press CONFIG press STORE select ABSOLUTE or DELTA NOTE While in the recall mode buffer statistics minimum maximum...

Страница 27: ...d With trigger delay set to zero the time duration at each step is determined by the source delay and the time it takes to perform the measurement With the desired source V or I selected use the follo...

Страница 28: ...r the steps are determined by the specified number of sweep points Figure 8 shows a 5 point log sweep from 1 to 10V With the desired source V or I selected use the following menu sequence to set the s...

Страница 29: ...STOM these menu items will be displayed POINTS Use to specify the number of points in the sweep 1 to 2500 ADJUST POINTS Use to set the source level at each point in the sweep The first point in the sw...

Страница 30: ...ry location for the sweep For example if your first setup is stored in memory location 001 set the start point to 001 POINTS Use to specify the number of points memory locations in the sweep For examp...

Страница 31: ...n in Figures 6 7 and 8 the delay occurs on each step level of the sweep The delay can be set automatically by the SourceMeter auto delay or it can be set manually With auto delay selected the delay se...

Страница 32: ...measure functions The source level you set becomes the bias level for the sweep 2 Configure the custom sweep by choosing the number of points and initial value Also be sure to adjust individual sweep...

Страница 33: ...c SOURce SWEep RANGing name Select source ranging name BEST AUTO or FIXed SOURce xxx STARt n Specify sweep start level n V or I source value SOURce xxx STOP n Specify sweep stop level n V or I source...

Страница 34: ...quire data Logarithmic staircase sweep See Figure 7 RST Restore GPIB defaults source V measure I SOUR VOLT 0 Set bias level to 0V SOUR DEL 0 1 Set delay to 100ms SOUR SWE RANG BEST Select best source...

Страница 35: ...Math func tions CALC STAT ON Enable the power calculation SOUR MEM SAVE 2 Save setup in memory location 002 Memory location 003 setup CALC STAT OFF Disable math function SOUR FUNC CURR Select current...

Страница 36: ...E the test FAIL MODE If you want the test to fail if the source is in compliance select IN If you want the test to fail if it is not in compliance select OUT Limit 2 3 and 5 through 12 tests These sof...

Страница 37: ...CPI commands basic non binning limit testing Command Description For all limit tests CALCulate2 DATA Acquire limit test reading s Limit 1 test CALCulate2 LIMit STATe b Enable disable Limit 1 test b ON...

Страница 38: ...Offset Compensated V I where V V2 V1 I I2 I1 V1 and I1 are V and I measurements with the source set to a specific level V2 and I2 are V and I measurements with the source set to a different level typi...

Страница 39: ...points After selecting the desired source function V or I use the following menu sequence to configure and enable the voltage coefficient math function Press CONFIG press FCTN select VOLT COEFF After...

Страница 40: ...2 test For example if the reference value is 1k and the high and low tolerances are 5 the high limit for Limit 2 test will be 1050 and the low limit will be 950 This math function can now be selected...

Страница 41: ...measurement conversions The signal pulse is measured a precise internal reference is measured and finally zero common is measured The reading is calculated from these measurements Table 1 20 Command s...

Страница 42: ...it takes to measure the reference and zero and the user set pulse delay PD For example if the measure speed is set to 0 1 PLC it will take 3 334msec to measure the reference and zero 2 x 1 667msec Wit...

Страница 43: ...e period is not required for your test you can use the 10A range to output fast high energy 8 duty cycle pulses With pulse delay set to 0sec each subsequent pulse will output as soon as the capacitors...

Страница 44: ...e 4 Turn the output on During the output on time the red OUTPUT indicator light will be on and during the off time the indicator will be off 5 If the pulse count is a finite value the output will turn...

Страница 45: ...output 5V pulses that have a 1msec pulse width Table 1 21 SCPI commands select and configure Pulse Mode Command Description SOURce FUNCtion SHAPe PULSe Select Pulse Mode operation SOURce PULSe WIDTh...

Страница 46: ...E R M E A S U R E O F C O N F I D E N C E Keithley Instruments Inc Corporate Headquarters 28775 Aurora Road Cleveland Ohio 44139 440 248 0400 Fax 440 248 6168 1 888 KEITHLEY www keithley com Distribut...

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