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ST2826 Operation manual

Ver1.0

◇

Now you can set DHCP

、

SUB MASK

、

DNS, parameter setting reference and net

parameter setting.

7.3.1 visit ST2826 by browser

When visiting ST2826 by browser,ST2826 is like a WEB server.

The operation step of visiting ST2826 by browser:(if ip=192.168.1.100)

(1) start webbrowser

(2) input

http://192.168.1.100/

in address field and press Enter.

(3) the screen of Web server

，

shown as Figure 7-8.

Figure 7-6

(4) Click the left button to enter page.

7.3.2 Visit ST2826 by labview

User can control ST2826 by labview.

7.4USB Remote control system

USB remote control system can control device by USB interface, which fits the protocol of

USBTMC-USB488 and USB2.0.

7.4.1System configuration

Use USB cable to connect the USB interface on the rear panel to USB port.

7.4.2Install drive

When using USB to connect ST2826 with computer at first time

，

the computer will note

：

―New hardware is found‖
Follow the steps to install ―niusbtmc.inf‖ as driver.

After the drive is installed

，

user can see ‖usb test and measurement device‖.

Содержание ST2826

Страница 1: ...O OP PE ER RA AT TI IO ON N M MA AN NU UA AL L ST2826 A High Frequency LCR Meter SOURCETRONIC GMBH Email info sourcetronic com Website http www sourcetronic com ...

Страница 2: ......

Страница 3: ...FRONT PANEL 3 2 2REAR PANEL 5 2 3DEFINITION OF DISPLAYED ZONE 6 2 4MAIN MENU AND CORRESPONDING DISPLAYED PAGE 8 2 4 1 LCRZ 8 2 4 2 SYSTEM 8 2 5BASIC OPERATION 8 2 6OPEN 8 CHAPTER 3 LCRZ 10 3 1 LCRZ PAGE 10 3 1 1Measure 11 3 1 2Range 12 3 1 3Frequency 13 3 1 4Test level 13 3 1 5DC bias 14 3 1 6Speed 15 3 1 7File management 15 3 1 8Other tools 15 3 2 BIN NO DISPLAY PAGE 16 3 2 1Comparator function 1...

Страница 4: ...function 23 3 4 9 Bias current isolation function 23 3 4 10 Average time 24 3 4 11 Level monitor function 24 3 4 12 Delay 24 3 4 13 Signal source internal resistance 25 3 4 14 Deviation test function 25 3 4 15 File management 26 3 4 16 Auxdiary tools 27 3 5 CORRECTION PAGE 27 3 5 1 Open correction 28 3 5 2 Short correction 29 3 5 3 Load correction 30 3 5 4 Load correction test function 31 3 5 5 Ca...

Страница 5: ... Mode 37 3 8 2 Start 37 3 8 3 End 37 3 8 4 Coordination range setting 37 3 8 5 File management 37 3 9 TRACE SWEEP DISPLAY 38 3 9 1 A max and A value 38 3 9 2 A min and a value 38 3 9 3 B max and B value 38 3 9 4 B min and b value 38 3 9 5 File management 38 3 9 6 Tools 38 CHAPTER 4 SYSTEM MENU AND FILE 42 4 1 SYSTEM 42 4 1 1LCR contrast 42 4 1 2Style 42 4 1 3Pass beeper 42 4 1 4Fail beeper 43 4 1 ...

Страница 6: ...ot frequency clear for single frequency 53 5 3THE RIGHT CONNECTION BETWEEN THE TEST FIXTURE AND THE DUT 54 5 4ELIMINATE THE DISTURBANCE OF THE STRAY CAPACITANCE 54 5 5INDUCTANCE TEST EXAMPLE 56 5 6MULTI FREQUENCY LIST SWEEP FOR CAPACITANCE TEST 58 5 7OPERATION EXAMPLE FOR LOAD CORRECTION 60 CHAPTER 6 PERFORMANCE AND TEST 62 6 1MEASUREMENT FUNCTION 62 6 1 1 Measurement parameter and sign descriptio...

Страница 7: ...6 4 3Leakage current 74 6 5THE EMC REQUIREMENT 74 6 6PERFORMANCE TEST 74 6 6 1Working condition 74 6 6 2The experiment instruments 74 6 6 3Check the Function 75 6 6 4The test signal level 75 6 6 5 Frequency 76 6 6 6The test accuracy 76 6 6 7The capacitance C and the loss D accuracy 76 6 6 8The inductance L accuracy 76 6 6 9The resistance Z accuracy 76 6 6 10The DCR accuracy 77 CHAPTER 7 REMOTE CON...

Страница 8: ...tem command set 91 8 1 8BIAS subsystem command set 93 8 1 9FUNCtion subsystem command set 94 8 1 10LIST subsystem command set 98 8 1 11APERture subsystem command set 102 8 1 12TRIGger subsystem command set 102 8 1 13FETCh subsystem command set 104 8 1 14CORRection subsystem command set 107 8 1 15COMParator subsystem command set 113 8 1 16Mass MEMory subsystem command set 118 8 2THE GPIB COMMON COM...

Страница 9: ...0 7 N N NO O OT T TE E E The description in the manual doesn t mean all contents in instrument Sourcetronic reserves the rights to change the performance function inner structure appearance accessory and package without any inform ...

Страница 10: ......

Страница 11: ...int inspector curve analyze of frequency response of piezoelectric component etc in auto production line with its high test speed Its variable impedance outputting mode can fit to different standards With its promitable performance ST2826 series can realize the different tests of commercial and military standards as IEC and MIL 1 2 Inspection Please check if the instrument was worn out in the tran...

Страница 12: ...for a time please have it properly packed with its original box or a similar box for storing 5 The instrument and the test lead of DUT should be far away from strong electromagnetic field 1 6 The use of test fixture Please use the standard test fixture or cable the user made or other ones can lead incorrect test result The fixture or cable should be kept clean as well as the pin of DUT to assure t...

Страница 13: ...strument 2 LCD 320 240 dot matrix LCD display it displays the testing result and condition etc 3 Softkey Six softkeys can be used to select the control and parameter and there is corresponding definition on the left of each softkey which changes as different displayed page The function of circle softkey at the bottom is as below 1 When the page displays More in corresponding softkey zone the circl...

Страница 14: ...CURSOR The key is used to select between zone and zone in LCD When cursor is moved to some zone it will displayed as inverse 10 USB For connection USB storage device 11 LCRZ Press LCRZ to enter component test display page 12 SETUP Press SETUP to enter Setup page 13 SYSTEM Press SYSTEM to enter system page 14 BACKSPACE Press it to delete the last number of input value 15 KEYLOCK Press KEYLOCK KEYLO...

Страница 15: ...8 TRIGGER When the trigger mode is set as MAN Manual press this key to trigger instrument manually 19 ENTER ENTER is used to stop data being input confirm and save the data displayed in inputting line the bottom line in LCD 2 2Rear panel In figure 2 2 the rear panel of ST2826 is introduced briefly HANDLER RS 232C LAN DEVICE IEEE 488 DC BIAS INTERFACE RATING FUSE 110V 60Hz 80VA 220V 50Hz 80VA T2AL ...

Страница 16: ...st system 7 Fan Maintain the normal working temperature 8 Power socket For inputting AC power 9 Fuse holder For installing power fuse to protect instrument 10 Nameplate For installing power fuse to protect instrument switch 110V 220V by changing the direction of internal core Warning The position of fuse should fit the feed voltage range 11 Ground The terminal is connected with case of instrument ...

Страница 17: ...o operate file management which includes load save and delete 3 Tools zone Where some uncommon functions are listed not displaying in corresponding zone 4 Softkey zone Display the functional definition of softkey which changes as different position of cursor 5 Test result condition zone Display the test result and condition ...

Страница 18: ...s moved to some zone then it will display by inverse the so called zone means the zone where the cursor can be set The function of softkey in the zone where there is cursor will be displayed in Softkey Select and press the demanded softkey Numeric key BACKSPACE and ENTER key is used to input data After pressing a numeric key softkey zone will display the available unit softkey You can press unit s...

Страница 19: ...tection then inputting password is required input the password according to the note in screen press ENTER to enter main menu N N No o ot t ti iic c ce e e in this series the password is set the default password is2826 but the password can be amended in the process of using the instrument More password item in system ...

Страница 20: ...nge Range Test frequency Frequency Test level Level DC Bias Bias Test speed Speed File management File Other tools Tool There are 9 zones which are LCRZ Function Range Frequency Level Bias Speed File and Tool Each control function will be discripted in the following sections The test result condition displays the following information These conditions can be set on Measure or Correction page Signa...

Страница 21: ... test result of primary parameter and secondary parameter can be displayed with two lines of large character The primary parameter is displayed on the first line and secondary parameter is displayed on the second line Operation step of measure setting 1 Move cursor to Function zone The following softkeys are displayed Cp D Cp Q Cp G Cp Rp More 1 7 2 Select and press a softkey to set measure functi...

Страница 22: ...quire is not displayed on the page press More 5 7 to display the following softkeys G B Y Өº Y Ө r Rp Q More 6 7 7 Select and press a softkey to set measure function If the softkey you require is not displayed on the page press More 6 7 to display the following softkeys DCR More 7 7 8 Select and press a softkey to set measure function Press More 7 7 the softkey of step 1 will be displayed If you f...

Страница 23: ...layed The key is used to increase frequency roughly Press this key the frequency will be increased to the next 10 times frequency point after 20 Hz The following softkeys will be displayed exactly Press this key the frequency will be increased to a higher frequency point 10 frequency points can be set among 10 times frequency point The key is used to decrease frequency exactly Press this key the f...

Страница 24: ... two kinds of level setting One is using softkey the other is using numeric key 1 Move cursor to Level zone The following softkeys will be displayed Press this key to increase the signal source output level Press this key to decrease the signal source output level 2 Use softkey or numeric key to select or set level When using numeric key to input the required level value the available level unit m...

Страница 25: ...rs Integral time A D switch Average time Average test times Delay Time from setup to test beginning Displayed time of test result Generally speaking in slow testing the test result is more fixed and accurate You can select FAST MED and SLOW Operational step of speed setting 1 Move cursor to speed zone the following softkeys will be displayed FAST MED SLOW 2 Select the softkey above to set speed 3 ...

Страница 26: ... is displayed Press Arithmetic point lock B once the last digit will be deleted and the displayed digit will be reduced by one N N No o ot t te e e Under the circumstances below the arithmetic point lock function will be recovered to floating point status The test function is changed In deviation test deviation test mode is changed ΔABS Δ OFF 3 2 Bin No Display page Press LCRZ and press Bin No to ...

Страница 27: ...ry parameter limit and a pair of secondary bin limit can be set If the primary parameter of DUT is within the bin limit range but its secondary one is not then the DUT is sorted to subsidiary bin After ST2826 installs HANDLER interface the compare result is output to auto test system These limit setting only on Limit list setting page Compare zone allows you to set compare function ON or OFF Opera...

Страница 28: ...l Test parameter Parameter Bin limit value High Low limit 3 3 1Parameter Parameter zone monitors the Function parameter if user selects primary and secondary 如 parameter swap compare mode its parameter will display the swap of current Function parameter such as Cp D is displayed as D Cp which means D is compared as primary parameter and Cp is compared as secondary parameter 3 3 2Nominal Nominal pa...

Страница 29: ...operation set bin count ON OFF function on Bin count display 1 On Bin count display page move cursor to tools zone The following softkeys will be displayed Count No count Rs count 2 Press Count to open count function will be displayed at the left of Count 3 Press No count to turn off count function will not be displayed at the left of Count 4 Press Rs count Re count confirm will be displayed YES N...

Страница 30: ...ting 3 4 1 Sweep mode In ST2826 Max 10 points of frequency level or DC bias can be tested automatically There are two types of list sweep mode in ST2826 SEQ and STEP In SEQ mode press TRIGGER once all list sweep points are tested for once In STEP press TRIGGER once only test a sweep point N N No o ot t te e e when the trigger mode is INT SEQ mode and STEP mode is not controlled by TRIGGER When the...

Страница 31: ...is displayed 3 4 4 CMP compare The compare result of current sweep point is displayed L means low over H means high over means not high or low over 3 4 5 File management Refer to 4 2 File management function 3 4 6 Auxdiary tool There is no such operation on this page Measure setting Press LCRZ then More 1 3 to enter Measure setting page As figure 3 5 Figure 3 5 On Measure setting page the followin...

Страница 32: ...is the same as that on LCRZ page listed as below which is introduced before Other setting zones on Measure setting page will be introduced briefly below Test function Function Test range Range Test frequency Frequency Test level Level DC bias Bias Test speed Speed 3 4 7 Trigger mode In ST2826 there are 4 types of trigger mode INT internal trigger MAN manual trigger EXT external trigger and BUS bus...

Страница 33: ...l test level the voltage or current of DUT to the level value you set Use this function to keep the voltage or current constant When the auto level control function is adopted the available range limit is as below Constant voltage setting range 10 mVrms to 5Vrms based on the internal resistance Constant current setting range 100 µArms to 100 mArms based on the internal resistance N N No o ot t te ...

Страница 34: ...ayed on Im monitor zone on LCRZ page N N No o ot t te e e The correction function can affect the level monitor function so when the correction data is changed the level monitor value is also changed The ON OFF status of correction function OPEN SHORT LOAD can also affect the level monitor value Operational step of level monitor function setting Set level monitor function ON or OFF according to the...

Страница 35: ...me 30 Ω compares with 107X GR1689 100 Ω compares with HP4284A E4980 chroma3250 10 Ω CC compares with 106X WK3245 50 Ω compares with HK3532 Operational step of setting output resistance Set the output resistance according to the operation below 1 Move cursor to Internal resistance zone The following softkeys are displayed 100 Ω 30 Ω 50Ω 10Ω CC 2 Press 100 Ω to select 100 Ω output resistance Press 3...

Страница 36: ...atically to be the value of reference A andＢ 2 Use softkeyMeasure or numeric key to input the reference value of primary parameter 3 Move cursor to Reference Ｂ zone to input the reference value of secondary parameter The following softkeys are displayed Measure When the component is connected to test terminal press Measure ST2826 can test reference component the result is input as reference A andＢ...

Страница 37: ...easure 1 Move cursor to Tool zone the following softkeys are displayed System reset Clear 2 Press System reset to reset ST2826 press Clear to recover the parameter setting to the default status 3 5 Correction page Press LCRZ and More 1 3 thenCorrection to enter Correction page Figure 3 6 Figure 3 6 ST2826 provides two modes the following parameter can be set on Correction page Open Short Load Cabl...

Страница 38: ...ency points Except the following points the instrument can calculate the open correction data Move cursor to Open use Open full clear to execute the open correction Shown as the figure 3 1 Figure 3 1 20 25 30 40 50 60 80 Hz 100 120 150 200 250 300 400 500 600 800 Hz 1 1 2 1 5 2 2 5 3 4 5 6 8 kHz 10 12 15 20 25 30 40 50 60 80 kHz 100 120 150 200 250 300 400 500 600 800 kHz 1 1 2 1 5 2 2 5 3 4 5 MHz...

Страница 39: ...while the test frequency is equal to frequency1 frequency 2 or frequency 3 then open data of frequency1 frequency 2 and frequency 3 is used to calculate the open correction 6 Press OFF turn off the correction function 3 5 2 Short correction The open correction of ST282 can clear the error caused by parasitic admittance R X shown as figure 3 8 Figure 3 8 ST2826 adopts two open corrections for data ...

Страница 40: ...late the date If frequency1 frequency 2 and frequency 3 is set as ON meanwhile the test frequency is equal to frequency1 frequency 2 or frequency 3 then open data of frequency1 frequency 2 and frequency 3 is used to calculate the short correction 6 Press OFF turn off the correction function 3 5 3 Load correction Operational step of load correction 1 Move cursor to Freq1 Freq 2 or Freq 3 the follow...

Страница 41: ...eric key and unit key to input reference value of secondary parameter of standard component 21 Move cursor toFreq 1 Freq 2 or Freq 3 22 Connect standard component to fixture 23 Press Load correction the instrument executes a correction The actual test result of component is displayed on Meas A and Meas B 24 Move cursor to Load 25 Press ON 3 5 4 Load correction test function Operational step of loa...

Страница 42: ...t on Limit list setting page Parameter Mode Nominal Aux Compare Low limit High limit 3 6 1 Swap parameter This function can swap the primary parameter and secondary parameter When the parameter is Cp D the parameter swap function can change the parameter as D Cp now D can set 9 pairs of compare limit but Cp can set 1 pair of compare limit Operational step of swap parameter function Execute the fol...

Страница 43: ... one is percentage tolerance and the other is absolute value one Sequential mode The test range is set as compare limit value The compare limit value must be set based on the sequence from small to large Figure 3 10 N N No o ot t te e e 当 when setting limit value of tolerance mode the range should be from small to large If the tolerance range of BIN1 is the largest ten all DUTs are sorted to BIN1 ...

Страница 44: ...o 10 bins at most BIN1 to BIN9 and BIN OUT Operational step of setting compare function ON OFF 1 Move cursor to Comp ON OFF 2 Use the softkeys above to set compare function as ON or OFF 3 6 5 Aux bin ON OFF For secondary parameter sorting there are 3 conditions as below On Limit list setting page no setting high and low limit value On Limit list setting page high and low limit value is set However...

Страница 45: ...sor is jumped to High limit of bin 2 7 Input the high limit value of secondary parameter 8 Use numeric key to input low limit value of Bin 1 after inputting data use p n µ m k M 1 to replace ENTER to input limit value When use ENTER to input limit value the default unit of limit value is the same as that of last input When pressing 1 F H or Ω is the default unit 9 After inputting low limit value o...

Страница 46: ...display 3 7 2 Optional item The sweep parameter can be Hz level voltage mode V level current mode I bias voltage mode V bias current mode I Step 1 Move cursor to the bottom line in mode the following softkeys are displayed FREQ Hz LEVEL V LEVEL A BIAS V BIAS A 2 Press any softkey to select the parameter 3 7 3 Sweep parameter setting Move cursor to each parameter to set on HZ LMT Hi limit and Lo li...

Страница 47: ... need on keyboard 0 9 and press enter key or select a corresponding unit 3 8 3 End Select the number you need on keyboard 0 9 and press enter key or select a corresponding unit 3 8 4 Coordination range setting The coordination range includes A Min A Max B Min B Max which is the coordination range of primary and secondary parameter which is used to formulate the frequency response curve drawing ran...

Страница 48: ...3 9 6 Tools Move cursor to Tool Coordinate linearity Ratio auto load resweep and More 1 2 are displayed 1 Coordinate Linearity Press Coordinate Log it display Coordinate Linearity now the sweep mode is increasing as linearity way vertical coordinate is distributed as linearity way Log Press Coordinate Linearity it displaysCoordinate Log now the sweep mode is increasing as the log way with the base...

Страница 49: ...gh terminal right is used to move to low terminal left is used to move to high terminal right one by one is used to move to low terminal Left one by one 3 Resweep Press Resweep the instrument can sweep from beginning and draw curve Press More 1 2 Coordinate FAST Trigger INT Point 201 Curve setting and More 2 2 are displayed 1 Coordinate Press Speed FAST the zone displays Speed MED now it costs 20m...

Страница 50: ... as 101 201 401 801 The more points the more precision of the drawed figure but the sweep time will be longer The default point is 201 Operation press Point to select the corresponding point 4 Curve setting Press More 2 2 Coordinate linearity Ratio auto Load Resweep and More 1 2 are displayed When user selects sweep parameter as frequency and impedance the instrument displays some parameters of co...

Страница 51: ...ST2826 Operation manual Ver1 0 41 Figure 3 15 ...

Страница 52: ...ress etc 4 1 1LCR contrast Operational step of LCR contrast Move cursor toLCR cont The following softkeys are displayed The key is used to increase contrast The key is used to decrease contrast 4 1 2Style Operational step of setting LCR style Move cursor to LCR stylezone The following softkeys are displayed CLASSIC DEFAULT 4 1 3Pass beeper Operational step of setting pass beeper Move cursor to Pas...

Страница 53: ...WO SHORT OFF 4 1 5Language The zone is used to control and display the language mode Operational step Move cursor to Language The following softkeys are displayed English 中文 4 1 6Password The zone is used to display the password protection mode Operational step of setting password Move cursor to Password The following softkeys are displayed OFF Lock system Lock file Modify password Note the defaul...

Страница 54: ...s Move cursor to Bus addr zone The following softkeys are displayed 4 1 9Bias source INT mode OPT mode EXT mode Operational step of setting bias source 1 Move cursor toBias source zone The following softkeys are displayed INT OPT EXT 2 Press INT to select INT bias source 3 Press OPT to select OPT bias source 4 Press EXT to select EXT bias source 4 1 10Baud rate Operational step of setting baud rat...

Страница 55: ...ion save External U disk STA Yes Save the configuration status of ST2826 to internal U disk Data save External U disk CSV No Save the test result to U disk Screen save External U disk BMP No Save the screen picture of ST2826 to U disk 4 2 2Folder structure in U disk It is suggested that user should build a file and folder shown as figure 4 2 if user wants to save the file to the new folder enter t...

Страница 56: ... 3 STA The instrument can save 20 groups of STA file Use File manage function in File menu the following data will be saved or loaded in the form of file which is called STA The set parameter on Measure page Function parameter Frequency Range Level DC bias Average Delay Trigger mode INT MAN EXT Auto level control ON OFF Voltage level monitor ON OFF Current level monitor ON OFF A B mode ΔABS Δ OFF ...

Страница 57: ...p page List sweep mode SEQ STEP List sweep parameter Frequency level bias Test point of sweep parameter High and low limit of all test points including limit parameters LIMIT DATA A LIMIT DATA B The current displayed format The set parameter on Frequency response page Start frequency End frequency Max and Min range of A B Sweep points 101 201 401 801 The set parameter on Frequency response measure...

Страница 58: ...ment A Check the existed file Press File manage to enter File management page User can switch in I Internal file list and E External file list by Use to check one by one Shown as figure 4 3 Figure 4 3Internal file list Figure 4 4 External file list 4 3 Network setting page ...

Страница 59: ...t name Name of ST2826 in LAN which is used to identify ST2826 4 3 3DHCP DHCP is the abbreviation of Dynamic Host Configuration Protocol Operation of setting DHCP Move cursor toDHCP The following softkeys are displayed ON Turn on DHCP Note there must be a DHCP server in LAN ST2826 can obtain a correct net parameter OFF Don t use DHCP 4 3 4Auto IP When DHCP is available select auto IP ST2826 can obt...

Страница 60: ...keys are displayed Increase the value of sub net mask off code Decrease the value of sub net mask off code Or you can input sub net mask off code by numeric key 4 3 7Gateway Operation step of setting gateway 1 Move cursor to Gateway zone 2 The following softkeys are displayed Increase the value of gateway Decrease the value of gateway Or you can input the value of gateway by numeric key 4 3 8First...

Страница 61: ...ST2826 Operation manual Ver1 0 51 ...

Страница 62: ...key area d Keep the test fixture open press MEAS OPEN wait until the bottom line prompts OPEN measurement completed e Press ON enable the open correction function f Connect shorting bar ST26010 to the test fixture g Move the cursor to SHORT field ON OFF MEAS SHORT will be displayed in the softkey area h Press SHORT CORRECTION wait until the bottom line prompts SHORT measurement completed i Press O...

Страница 63: ...N will be displayed in the softkey area d Press ON enable the open correction function e Move the cursor to SHORT field ON OFF and MEAS SHORT will be displayed in the softkey area f Press ON enable the short correction function g Move the cursor to the LOAD field ON and OFF will be displayed in the softkey area h Press OFF close the load correction function i Move the cursor to FREQ 1 field ON OFF...

Страница 64: ...tential sense LD Low current drive The every test terminal has its own shielding layer HD HS LD LS must be connected to the corresponding lead wire of the DUT to make up of the four terminal test If you do the test with high accuracy to use the test fixture is recommended No matter you use the test fixture provided by Sourcetronic Company Kelvin test leads or the test fixture made by yourself the ...

Страница 65: ...is High Impedance e g small capacitance the disturbance of the stray capacitance should not be neglected In figure 5 1 when there is a conductor board below the DUT the test result will be error But when a grounded conductor is placed between the HS and the LS Cd can be reduced to the smallest At the same time if the grounded conductor is placed between the LD and Metal conductor the effect of the...

Страница 66: ... DISP page will be displayed b Move the cursor to FUNC field by using the direction keys on the front panel The FUNC field displays Cp D At this time Cp D Cp Q Cp G Cp Rp and MORE 1 6 will be displayed in the softkey area which is on the right of the screen c Press MORE 1 6 Cs D Cs Q Cs Rs and MORE 2 6 will be displayed d Press MORE 2 6 Lp D Lp Q Lp G Lp Rp and MORE 3 6 will be displayed e Press M...

Страница 67: ...est fixture ST26005 to ST2826 s test terminals 4 Perform the clear To avoid the disturbance of the stray capacitance you should do OPEN SHORT CORRECTION Refer to Dot frequency clear in this chapter 5 Insert the test capacitance to test fixture 6 Perform the measurement Press LCRZ ST2826 will display LCR MEAS DISP page ST2826 can test continually and display the test result in the middle of the scr...

Страница 68: ... the LEVEL field is 1 000V At the same time MEAS DISP BIN NO BIN COUNT LIST SWEEP and MORE 1 3 will be displayed in the softkey area c Press MORE 1 3 MEAS SETUP CORRECTION LIMIT TABLE LIST SETUP and MORE 2 3 will be displayed in the softkey area d Press LIST SETUP LIST SWEEP SETUP page will be displayed e Move the cursor to sweep parameter field The field displays FREQ HZ f Press Move the cursor t...

Страница 69: ... LIMIT DATA A LIMIT DATA B and OFF n Press LIMIT DATA B to select the secondary compared parameter D The field will display the cursor will be moved to the LOW field of the sweep point 2 automatically o Press 0 0 0 0 1 0 0001 will be displayed in the bottom line of the screen The usable units p n μ m and MORE 1 2 will be displayed in the softkey area Press MORE 1 2 k M 1 and MORE 2 2 will be displ...

Страница 70: ...than the high and L less than the low Figure 5 4 shows the LIST SWEEP DISP page 8 If the test result is error evidently please perform the following steps a Check whether the capacitance is connected to the test fixture reliably b Check whether the test fixture is connected to the test terminal of the instrument reliably c Do open correction and short correction again Note when you use frequency s...

Страница 71: ... Press 1 1 11 will be displayed in the bottom line of the screen The usable units p n μ m and MORE 1 2 will be displayed in the sotfkey area Press n the value of this field will be changed to 11 0000 nF o Move the cursor to B field below FREQ 1 Press 0 0 0 5 0 0005 will be displayed in the bottom line of the screen the usable units p n μ m and MORE 1 2 will be displayed in the softkey area Press 1...

Страница 72: ... 6 1 the combination methods for the test parameters Main parameter Z Y L C R G Auxiliary parameters degree radian D Q RS RP G X B Note DCR has no test combination 6 1 3Math operation ΔABS R S Δ R S S 100 R test value S standard value 6 1 4Equivalent mode Parallel serial 6 1 5Range Auto manual hold increase and decrease 6 1 6Trigger Inner outside manual Inner the DUT is tested continually and the ...

Страница 73: ... 6 2 Test signal 6 2 1Test signal frequency Test signal sine wave the accurate of the frequency 0 02 The range of the test frequency of ST2828 20 5MHz The minimum resolution 0 01Hz 6 2 2Signal mode Normal test the voltage by programming in the MEAS DISP page The voltage in the unknown terminal may be lower than the set one according to the tested resistance Constant voltage the DUT voltage is cons...

Страница 74: ...0 01nH 9 9999kH C 0 0001pF 9 9999F R X Z DCR 0 1mΩ 99 999MΩ Y B G 0 0001nS 99 999S D 0 0001 9 9999 Q 0 0001 99999 θ Deg 179 99 179 99 Rad 3 14159 3 14159 6 2 5The test voltage for DC resistance 1 4VDC Accuracy 5 Internal resistance 50Ω 5 6 2 6 The internal DC voltage bias 5v 5V 10 10mV 1mV by stepper 6 3Test accuracy The relation of test accuracy and basic accuracy is shown as below Test accuracy ...

Страница 75: ...cy Z or 10 B Range Zx A Range 3 In 2 3 Zx sample value of Z The sample value of impedance is considered as test result or caculated by the formula below Zx L H 9 0 1 C F 9 0 R 0 Test condition of basic accuracy 1 Use ST26048 test fixture 2 Test speed SLOW 3 Cable length factor 0m 4 Temperature and humidity 20 5 C RH 80 5 Warm up 60 Min 6 Before testing perform open and short correction 6 3 2Test s...

Страница 76: ...dance Z A B Basic accuracy factor Accuracy factor of Z value A B in group 1 Accuracy factor of value A B in group 2 When 1 001 f MHz basic accuracy must multiply f MHz 3 4 Table 6 5 Basic accuracy 1 0 010V to 0 049V 1 Range 20Hz 99 9Hz 100Hz 1kHz 1 001kHz 10kHz 10 01kHz 100kHz 100 1kHz 1MHz 1 001MHz 5MHz 1MΩ 100kΩ A 1 5 B 1 A 1 B 0 5 A 1 B 0 5 A 2 B 0 3 A 0 5 B 0 1 A 0 5 B 0 1 10kΩ A 0 8 B 0 5 A 0...

Страница 77: ...5 A 0 75 B 0 15 A 0 75 B 0 15 10kΩ A 1 2 B 0 75 A 0 75 B 0 3 A 0 75 B 0 3 A 2 25 B 0 75 A 0 75 B 0 015 A 0 3 B 0 03 A 0 3 B 0 03 A 0 9 B 0 075 3kΩ A 1 2 B 0 75 A 0 75 B 0 3 A 0 75 B 0 3 A 2 25 B 0 75 A 0 75 B 0 015 A 0 3 B 0 03 A 0 3 B 0 03 A 0 9 B 0 075 1kΩ A 0 9 B 0 075 A 0 375 B 0 015 A 0 375 B 0 015 A 1 5 B 0 3 A 0 75 B 0 015 A 0 225 B 0 015 A 0 225 B 0 015 A 0 75 B 0 03 300Ω A 0 9 B 0 075 A 0...

Страница 78: ...1 A 0 3 B 0 05 A 1 5 B 1 1kΩ A 0 5 B 0 01 A 0 2 B 0 01 A 0 2 B 0 01 A 0 3 B 0 02 A 0 8 B 0 2 A 0 35 B 0 01 A 0 1 B 0 01 A 0 1 B 0 01 A 0 2 B 0 02 A 1 B 0 3 300Ω A 0 5 B 0 01 A 0 2 B 0 01 A 0 2 B 0 01 A 0 3 B 0 02 A 0 8 B 0 2 A 0 35 B 0 01 A 0 1 B 0 01 A 0 1 B 0 01 A 0 2 B 0 02 A 1 B 0 3 100Ω A 0 5 B 0 01 A 0 2 B 0 01 A 0 2 B 0 01 A 0 3 B 0 02 A 0 6 B 0 05 A 2 5 B 0 4 A 0 35 B 0 01 A 0 15 B 0 01 A ...

Страница 79: ...A 0 525 B 0 015 A 0 15 B 0 015 A 0 15 B 0 015 A 0 3 B 0 03 A 0 6 B 0 075 A 3 B 0 3 30Ω A 0 75 B 0 015 A 0 3 B 0 015 A 0 3 B 0 015 A 0 45 B 0 03 A 0 9 B 0 075 A 3 75 B 0 6 A 0 525 B 0 015 A 0 15 B 0 015 A 0 15 B 0 015 A 0 3 B 0 03 A 0 6 B 0 075 A 3 B 0 3 10Ω A 0 5 B 0 02 A 0 2 B 0 02 A 0 2 B 0 02 A 0 3 B 0 02 A 0 6 B 0 05 A 2 5 B 0 2 A 0 35 B 0 02 A 0 1 B 0 02 A 0 1 B 0 02 A 0 2 B 0 02 A 0 4 B 0 05...

Страница 80: ...0 08 B 0 01 A 0 08 B 0 01 A 0 1 B 0 02 A 0 2 B 0 05 A 1 5 B 0 2 1Ω A 0 5 B 0 1 A 0 3 B 0 04 A 0 3 B 0 04 A 0 3 B 0 04 A 0 6 B 0 1 A 2 5 B 1 5 A 0 35 B 0 2 A 0 15 B 0 03 A 0 15 B 0 03 A 0 2 B 0 03 A 0 6 B 0 1 A 3 B 1 1 Range 20Hz 99 9Hz 100Hz 1kHz 1 001kHz 10kHz 10 01kHz 100kHz 100 1kHz 1MHz 1 001MHz 5MHz 1year 1MΩ A 1 5 B 1 5 A 1 05 B 0 75 A 1 05 B 0 75 A 1 8 B 1 5 A 3 B 0 3 A 0 45 B 0 3 A 0 45 B ...

Страница 81: ...9 9Hz 100Hz 1kHz 1 001kHz 10kHz 10 01kHz 100kHz 100 1kHz 1MHz 1 001MHz 5MHz 6month 1MΩ A 0 8 B 0 4 A 0 4 B 0 2 A 0 4 B 0 2 A 1 B 0 5 A 1 B 0 2 A 0 25 B 0 1 A 0 25 B 0 1 A 1 B 0 5 100kΩ A 0 4 B 0 05 A 0 15 B 0 05 A 0 15 B 0 05 A 0 3 B 0 08 A 3 B 1 A 0 3 B 0 1 A 0 15 B 0 02 A 0 15 B 0 02 A 0 3 B 0 08 A 3 B 0 5 10kΩ A 0 35 B 0 01 A 0 08 B 0 01 A 0 15 B 0 01 A 0 25 B 0 04 A 0 4 B 0 3 A 2 B 0 5 A 0 25 ...

Страница 82: ... 12 B 0 015 A 0 225 B 0 015 A 0 375 B 0 06 A 0 6 B 0 45 A 3 B 0 75 A 0 375 B 0 015 A 0 075B 0 015 A 0 12 B 0 015 A 0 225 B 0 03 A 0 45 B 0 45 A 3 B 0 45 1kΩ A 0 525 B 0 015 A 0 12 B 0 015 A 0 12 B 0 015 A 0 3 B 0 03 A 0 45 B 0 045 A 2 25 B 0 3 A 0 375 B 0 075 A 0 075B 0 0075 A 0 075 B 0 0075 A 0 12 B 0 03 A 0 225 B 0 03 A 1 5 B 0 3 300Ω A 0 525 B 0 015 A 0 12 B 0 015 A 0 12 B 0 015 A 0 3 B 0 03 A ...

Страница 83: ... 0 7 B 0 05 A 0 3 B 0 01 A 0 08 B 0 01 A 0 08 B 0 01 A 0 1 B 0 02 A 0 2 B 0 02 100Ω A 0 4 B 0 01 A 0 15 B 0 01 A 0 15 B 0 01 A 0 25 B 0 02 A 0 5 B 0 05 A 0 3 B 0 01 A 0 08 B 0 01 A 0 08 B 0 01 A 0 1 B 0 02 A 0 2 B 0 02 30Ω A 0 4 B 0 01 A 0 15 B 0 01 A 0 15 B 0 01 A 0 25 B 0 02 A 0 5 B 0 05 A 0 3 B 0 01 A 0 08 B 0 01 A 0 08 B 0 01 A 0 1 B 0 02 A 0 2 B 0 02 10Ω A 0 4 B 0 02 A 0 15 B 0 02 A 0 15 B 0 ...

Страница 84: ...03 A 0 6 B 0 075 6 4Safety requirement 6 4 1insulation resistance Referring to the working condition the insulation resistance of the power terminal and the case should not be less than 50MΩ Under the damp and heat condition the insulation resistance should not be less than 2 MΩ 6 4 2insulation intension Referring the working condition the power terminal and the case should can load the AC voltage...

Страница 85: ...esistor 0 1Ω 0 02 1Ω 10Ω 100Ω 1kΩ 10kΩ 100kΩ 4 Standard capacitance 100μH 0 02 1mH 10mH 100mH 5 Frequency meter 0 1000 MHz 6 digital multimeter 0 5 7 Insulation resistance meter 500V 10 levels 8 withstanding voltage and leakage meter 0 25kW 0 500 V 6 6 3Check the Function The keys the display and the terminals can work normally The other functions are right 6 6 4The test signal level When the test...

Страница 86: ...Cp D the test frequency 100Hz 1kHz 10kHz 100kHz level 1V range AUTO bias 0V speed slow Short correction and open correction should be done before the test Connect the standard capacitance 100pF 1000pF 10000pF 10nF 10nF 0 1uF and1uF to the test fixture Change the test frequency The capacitance error between the test result and the standard value must be in the range of the C accuracy The error of t...

Страница 87: ...rror between the test result and the standard value must be in the range of the Z accuracy referring to this chapter 6 6 10The DCR accuracy Test condition Function DCR Test frequency Level Range AUTO Bias Speed slow Short correction and open correction should be done before the test Connect the standard resistor 0 1 Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ and 100kΩ to the test fixture The error between the test re...

Страница 88: ...nchronous serial communication interface Like the most serial interface used in the world the serial interface on ST2826 doesn t meet RS 232 strictly but provides one set shown in table 7 1 Table 7 1 ST2826 RS232 interface signal abbreviate pin number Send data TXD 2 Receive data RXD 3 Ground GND 5 ...

Страница 89: ... CONTROLLER RXD 3 2 TXD GND 5 5 GND Figure 7 1 Figure 7 1 shows that the pin definition of the ST2826for serial interface is different from that of IBM AT PC You can buy the cable for the serial interface from Sourcetronic Company The baud rate can be selected from 9600 to 115200 The frame has no parity 8 data bits and 1 stop bit ...

Страница 90: ...puter sends commands and instructions to the ST2826 and receives data sent from the ST2826 via the GPIB If you use the GPIB on ST2826 you should pay attention to the following points 1 The length of the cable for bus system should not be more than 2 m and the total length of the cable should not be more than 20 m 2 15 test instruments can be connected to the same bus at most 3 To add only 4 back c...

Страница 91: ...ST2826 Operation manual Ver1 0 81 The test instrument Back connector Figure7 3 the two back connector superposition ...

Страница 92: ...ommand by the GPIB interface and the corresponding bus which is shown in table 7 2 Figure 0 7 code Interface function description SH1 Data source communication Three line communication AH1 Data destination communication Three line communication T5 Speaking Send instrument information L4 Listening Receive instrument information SR1 Service request Request the service RL1 Remote local change Remote ...

Страница 93: ...eive the instrument information and reset the interface to the idle state CLEAR LOCKOUT SET LOCAL control the instrument The instrument can work at a remote place DEVICE CLEAR SDC or DCL clear the selected instruments or all the instruments LOCAL GTL return the local control LOCAL LOCKOUT LLO lock the local command When the remote instrument receives this command the local command will be locked R...

Страница 94: ...ayer common system function B layer communication function A layer interface function IF Figure 7 5 the function layers 7 3 LANRemote control system LAN remote control system provides two methods to visitST2826 1 By browser 2 By labview System configuration Use cross cable to connect ST2826 with computer If ST2826 is connected by router then use equal cable Parameter setting Move cursor to system ...

Страница 95: ... 8 Figure 7 6 4 Click the left button to enter page 7 3 2 Visit ST2826 by labview User can control ST2826 by labview 7 4USB Remote control system USB remote control system can control device by USB interface which fits the protocol of USBTMC USB488 and USB2 0 7 4 1System configuration Use USB cable to connect the USB interface on the rear panel to USB port 7 4 2Install drive When using USB to conn...

Страница 96: ...l of ST2826 to the USB port in host computer 7 5 2 Install drive The method of installing USBCDC drive is the same as that of USBTMC but when selecting driving file select usbVCom inf After the drive is installed user can see usb VCom port in your hardwarelsiting Now usb VCom port is like a serial port When PC has no serial port user can use the communication software based on serial port in this ...

Страница 97: ... EOI signal in IEEE 488 8 1Subsystem commands for ST2826 DISPlay ORESister TRIGger CORRection FREQuency BIAS INITiate COMParator VOLTage FUNCtion FETCh Mass MEMory CURRent LIST ABORT TRAN AMPLitude APERture STATus FRES 8 1 1 DISPlay subsystem command set DISPLAY subsystem command set is used to set the display page Command hierarchical chart DISPlay PAGE MEASurement BNUMber BCOUnt LIST MSETup CSET...

Страница 98: ...St set the page to File List E g WrtCmd ISP PAGE MEAS set the page to LCR Measurement display Query syntax DISPlay PAGE return page name NL END The following value can be selected for page name LCR MEAS DISP the current page is LCR Measurement display BIN No DISP the current page is BIN Number display BIN COUNT DISP the current page is BIN Count LIST SWEEP DISP the current page is List Sweep MEAS ...

Страница 99: ... be selected for font LARGe display the measurement result with the large size the hold time is 12 ms TINY display the measurement result with the small size the hold time is 5 ms OFF don t display the measurement result but the result can be read from the bus Query syntax DISPlay RFONt return font NL END the following value can be selected for font LARGE TINY OFF 8 1 2FREQuency subsystem command ...

Страница 100: ... WrtCmd VOLT 1V set the level to 1V query syntax VOLTage return NR3 NL END 8 1 4CURRent subsystem command set Current subsystem command set is used to set the current level Char can be used to quety the current level of the test instrument command syntax value CURRentMIN MAX value NR1 NR2 or NR3 format with mA as the postfix MIN set the level to 50μA MAX set the level to 20mA e g WrtCmd CURR 10MA ...

Страница 101: ...nal resistance mode Char can be used to query the output internal resistance state command syntax 30 ORESister 100 e g WrtCmd ORES 30 set the output internal resistance to 30 OHM query syntax ORESister return NR1 NL END 8 1 7OUTPut subsystem command set OUTPut subsystem command set is used to set the DC 100mA 10V bias source and the DC isolation Command hierarchical chart OUTPut High POWer ON 1 OF...

Страница 102: ... NL END or OPT1 NL END OPT1 shows that the DC 100mA 10V bias source is used or not used DC ISOLation is used to set DC isolation ON OFF of the DC 100mA 10Vbias source Char can be used to query the DC isolation ON OFF You must ensure that you have bought the DC 100mA 10V bias source optional from Sourcetronic company before you perform this command command syntax ON OFF OUTPut DC ISOLation 1 0 char...

Страница 103: ...as ON OFF Char can be used to query the state of the bias Command syntax ON BIAS STATe OFF 1 0 char 1 49 is equivalent to ON char 0 48 is equivalent to OFF e g WrtCmd BIAS STATe 0 set the DC bias close query syntax BIAS STATe return NR1 NL END VOLTage is used to set the bias voltage Char is used to query the current bias voltage Command syntax value BIAS VOLTage MIN MAX value NR1 NR2 or NR3 format...

Страница 104: ...s command is supported only by GPIB command syntax value BIAS CURRent MIN MAX value NR1 NR2 or NR3 format MIN to set the bias current to 0A MAX to set the bias current to 10A e g WrtCmd BIAS CURR MIN set the bias current to 0A quety syntax BIAS CURRent return NR3 NL END 8 1 9FUNCtion subsystem command set FUNCtion subsystem command set is used to set the measurement function range function monitor...

Страница 105: ...Q LPD LPG LPRP LSD LSQ LSRS RX ZTD ZTR GB YTD YTR DCR not for ST2826 RANGe value AUTO ON 1 OFF 0 Source MONitor VAC ON 1 OFF 0 IAC ON 1 OFF 0 DEV1 MODE ABSolute 2 PERcent OFF REFerence value FILL IMPedance is used to set the function Char is used to query the current function parameter ...

Страница 106: ...D YTD set the function to Y θ LPG set the function to Lp G YTR set the function to Y θr e g WrtCmd FUNC IMP RX set the function to R X query syntax FUNCtion IMPedance return function NL END IMPedance RANGe is used to set the range Char is used to query the current range command syntax FUNCtion IMPedance RANGe value value can be the resistance of the DUT or the NR1 NR2 NR3 format with OHM KOHM as t...

Страница 107: ... WrtCmd FUNC SMON VAC ON set the voltage monitor ON query syntax FUNCtion SMONitor VAC return NR1 NL END Source MONitor IAC is used to set the current monitor Char can be used to query the state of the current monitor command syntax ON 1 FUNCtion SMONitor IAC OFF 0 char 1 49 is equivalent to ON char 0 48 is equivalent to OFF e g WrtCmd FUNC SMON IAC ON set the current monitor ON query syntax FUNCt...

Страница 108: ...lue value NR1 NR2 or NR3 format n char 1 49 set the standard deviation of the main parameters char 2 50 set the standard deviation of the secondary parameters e g WrtCmd FUNC DEV1 REF 10 query syntax FUNCtion DEV n REFerence return NR3 NL END DEV n REFerence FILL is used to set the standard deviation which controls the instrument only for one time And copy the main and the secondary parameters as ...

Страница 109: ...e note shows that the sweep points are 10 points at most value NR1 NR2 or NR3 format value must be in the range of 20HZ to 300KHZ 20HZ 200KHZ for ST2826 or return error e g WrtCmd LIST FREQ 1E3 2E3 3E3 4E3 set the frequency of sweep point to 1KHZ set the frequency of sweep point to 2KHZ set the frequency of sweep point to 3KHZ set the frequency of sweep point to 4KHZ note HZ hertz is postfix unit ...

Страница 110: ...of the sweep point 1 to 100mA WrtCmd LIST CURR 1E 2 2E 2 3E 3 4E 3 set the current of the sweep point 1 2 3 and 4 to 10mA 20mA 3mA and 4mA in turn Note this command can be added the postfix A ampere query syntax LIST CURRent return NR3 NR3 NL END note the list sweep current must be in the range of 50uA to 20mV or the return value will be error BIAS VOLTage is used to clear the DC bias voltage in t...

Страница 111: ...ed with the external DC bias source ST1773 must be bought together MODE is used to set the list sweep mode command syntax SEQuence LIST MODE STEPped SEQuenc sequence mode STEPped stepped mode e g WrtCmd LIST MODE SEQ query syntax LIST MODE return SEQ NL END STEP BAND n is used to set the limit data in the list sweep table command syntax LIST BAND n parameter low limit n high limit n n 1 to 10 NR1 ...

Страница 112: ...e average times Char can be used to query the current speed the average times command syntax FAST APERture MEDium value SLOW FAST fast 30times s MEDium medium 10 times s SLOW slow 2 times s value 1 to 128 NR1 format the average times e g WrtCmd APER MED 55 query syntax APERture return FAST MED NR1 NL END SLOW 8 1 12TRIGger subsystem command set TRIGger subsystem command set is used to set the trig...

Страница 113: ... INTernal TRIGger SOURce EXTernal BUS HOLD INTernal triggered by the instrumetn itself automatically It is the default setting EXTernal triggered by the HANDLER interface BUS triggered by RS232 or GPIB interface HOLD triggered by the TRIGGER key in the front panel e g WrtCmd TRIG SOUR BUS query syntax TRIGger SOURce return INT EXT NL END BUS HOLD DELay is used to set the delay time after the instr...

Страница 114: ...IMP Source MONitor VAC IAC fres acur bcur IMP is used to notify the ST2826 to transmit the test result to the buffer query syntax FETCh IMP e g WrtCmd TRIG SOUR BUS WrtCmd TRIG WrtCmd FETC ST2826 transmits the result with ASCII the more details are below SN NNNNNESNN SN NNNNNESNN SN SN or SNN NL END DATAA DATA B state BIN NO Figure 8 1 the ASCII format 1 DATA A DATA B format DATA A the main parame...

Страница 115: ... data will out of range BIN format the data displays the sorted result data selected result 0 Over the standard 1 BIN 1 2 BIN 2 3 BIN 3 4 BIN 4 5 BIN 5 6 BIN 6 7 BIN 7 8 BIN 8 9 BIN 9 10 Auxiliary BIN Only when the comparison function is ON BIN data will be displayed BIN data is the ASCII code with 2 or 3 bits SN or SNN S N 0 to 9 The ASCII data output format in the list sweep page is below ...

Страница 116: ...e for the single transformer the ASCII format is as follows SN SN NNNNNESNN SN NNNNNESNN SN NL END Sequence No DATAA DATA B state Figure 8 3 ASCII format 3 for single transformer sequence NO is shown in table 8 1 Table 8 1 the sequence NO and the description Sequence NO description 1 TURN 2 Lx 3 LK 4 DCR DATAA is the same to the one above DATA B the secondary parameter has two formats When the tes...

Страница 117: ...ction subsystem command set CORRection subsystem command set is used to set the correction function short open or load correction Command hierarchical chart CORRection LENGth value MESTod SINGle MULTiple OPEN STATe ON 1 OFF 0 SHORt STATe ON 1 OFF 0 LOAD STATe ON 1 OFF 0 TYPE CPD state description 1 lower 0 good 1 higher ...

Страница 118: ...l number LENGth is used to set the length of the correction cable Char is used to query the current length of the cable command syntax CORRection LENGth value value 0 1 or 2 with the unit m as the postfix e g WrtCmd CORR LENG 1m set the cable length to 1m query syntax CORRection LENGth return NR1 NL END MESTod is used to set the correction mode Char can be used to query the correction mode command...

Страница 119: ...orrection function Char is used to query the state of the open correction command syntax ON CORRection OPEN STATe OFF 1 0 char 1 49 enable the open correction which is equivalent to ON char 0 48 forbid the open correction which is equivalent to OFF e g WrtCmd CORR OPEN STAT ON query syntax CORRection OPEN STATe return NR1 NL END SHORt is used to perform the short correction data of 41 preset test ...

Страница 120: ...AD STATe return NR1 NL END LOAD TYPE is used to set the combination parameter function for the load correction Char is used to query the type of the combination parameter Fuction CPD set the function to Cp D LPRP set the function to Lp Rp CPQ set the function to Cp Q LSD set the function to Ls D CPG set the function to Cp G LSQ set the function to Ls Q CPRP set the function to Cp Rp LSRS set the f...

Страница 121: ...equency point 3 e g WrtCmd CORR SPOT1 STAT ON query syntax CORRection SPOT n STATe return NR1 NL END SPOT n FREQuency is used to set the frequency of the particular frequency point 1 2 and 3 char is used to query the current frequency of the frequency point command syntax CORRection SPOT n FREQuency value value NR1 NR2 or NR3 format with HZ KHZ and MHZ as the shortfix n 1 frequency point 1 2 frequ...

Страница 122: ...ommand syntax CORRection SPOT n SHORt n 1 frequency point 1 2 frequency point 2 3 frequency point 3 e g WrtCmd CORR SPOT1 SHOR perform the short correction for point 1 SPOT n LOAD STANdard is used to perform the load correction for the particular frequency points point 1 point 2 and point 3 under the standard reference value command syntax CORRection SPOT n LOAD STANdard REF A REF B n 1 frequency ...

Страница 123: ...B open2 A open2 B short2 A short2 B load2 A load2 B open3 A open3 B short3 A short3 B load3 A load3 B open1 2 3 A NR3 format the open correction data of the main parameter for frequency point 1 2 3 open1 2 3 B NR3 format the open correction data of the secondary parameter for frequency point 1 2 3 short1 2 3 A NR3 format the short correction data of the main parameter for frequency point 1 2 3 sho...

Страница 124: ...n high limit Secondary LIMit low limit high limit Auxiliary BIN ON 1 OFF 0 SWAP ON 1 OFF 0 BIN CLEar COUNt STATe DATA CLEar STATe is used to set the comparator ON OFF command syntax ON COMParator STATe OFF 1 0 char 1 49 is equivalent to ON char 0 48 is equivalent to OFF e g WrtCmd COMP ON query syntax COMParator STATe return NR1 NL END MODE is used to set limit mode for comparator Char is used to ...

Страница 125: ...or NR3 format e g WrtCmd COMP TOL NOM 100E 12 query syntax COMParator TOLerance NOMinal return NR3 NL END TOLerance BIN n is used to set the low limit and the high limit of every BIN on the comparator error mode this function is effective only when the limit mode is set to the error mode command syntax COMParator TOLerance BIN n low limit high limit n 1 to 9 NR1 format BIN number low limit NR1 NR2...

Страница 126: ...BIN 10 20 30 40 50 query syntax COMParator SEQuence BIN return BIN1 low limit BIN1 high limit BIN2 high limit BINn high limit NL END Secondary LIMit is used to set the high limit and the low limit of the secondary parameter for the comparator command syntax COMParator SLIMit low limit high limit low limit NR1 NR2 or NR3 format the low limit high limit NR1 NR2 or NR3 format the high limit Note the ...

Страница 127: ...ameter will be compared by being interchanged if OFF is seleccted the parameters will be compared by the primary order The state of the swap compatator mode can be queried command syntax ON COMParator SWAP OFF 1 0 char 1 49 is equivalent to ON char 0 48 is equivalent to OFF e g WrtCmd COMP SWAP ON query syntax COMParator SWAP return NR1 NL END BIN CLEar is used to clear the setting limit of every ...

Страница 128: ...to clear all the count result command syntax COMParator BIN COUNt CLEar e g WrtCmd COMP BIN COUN CLE 8 1 16Mass MEMory subsystem command set Mass MEMory subsystem command set is used to save and load the file Command hierarchical chart Mass MEMory LOAD STATe record number STORe STATe record number LOAD STATe is used to load the saved file command syntax MMEMory LOAD STATe value value the file sequ...

Страница 129: ...type e g ST2826 firmware the software version e g VER2 3 7 e g WrtCmd IDN TST is used to query self checking to perform internal self checking and generate the error message report For ST2826 if the query result is 0 there is no error query syntax TST return 0 NL END 0 0 NR1 format e g WrtCmd TST ESE standard Event Status Enable command is used to set the open bits of the standard event status reg...

Страница 130: ...wn in the table below query syntax SRE return value NL END e g WrtCmd SRE ESR Returns the value of the event status register query syntax ESR return value NL END value NR1 format the decimal for the value of the event status register The definition for event status register is shown in the table below 3 2 1 0 Device Dependent Error DDE Query Error QYE Bit Request Control RQC Bit Operation Complete...

Страница 131: ...e time this command will notify the instrument that the buffer of the instrument shouble be set to 1 ASCII command syntax OPC e g OUTPUT 717 OPC set the OPC bit when the previous command has be finished query syntax OPC return 1 NL END char 1 1 ASCII 49 decimal e g WrtCmd OPC 7 6 5 4 3 2 1 0 Power On PON Bit User Request URQ Bit Command Error EME Bit Execution Error EXE Bit Device Dependent Error ...

Страница 132: ...olation Output signal judgment BIN comparator good over the standard not good list sweep comparator IN OUT for every sweep point and pass fail for all the compared result INDEX ADC ended EOC end of one test and comparison Alarm alarm for circuit interruption The input signal optoelectronic isolation Keylock lock the keys on the front panel External Trigger pulsewidth 1μS 9 2The operation descripti...

Страница 133: ...utput 12 13 EXT TRIG External trigger when the trigger mode is EXT TRIG ST2826 will be triggered by the positive edge in this pin 14 15 EXT DCV2 External DC voltage 2 The DC provider pin for the optoelectronic coupling signal EXT_TRIG KeyLock ALARM INDEX EOM 16 17 18 5V The internal power 5V to use the internal power is not recommended If you use the internal power please ensure that the current i...

Страница 134: ...ll up DC power provider pin for optoelectronic coupling signal BIN BIN9 AUX OUT PHI PLO SREJ 29 ALARM When circuit is interrupted ALARM is effective 30 INDEX When the analog test is finished and the UNKNOWN terminal can be connected to another DUT INDEX is effective But the comparison signal is effective until EOM is effective 31 EOM End Of Measurement when the test data and the compared result ar...

Страница 135: ...n manual Ver1 0 125 The main parameter The secondary parameter Figure 9 1 the PHI PLO SREJ signal distribution for BIN comparison PHI OUT SREJ AUX BIN 1 SREJ AUX BIN 2 BIN 3 BIN 4 BIN 5 BIN 6 BIN 7 BIN 8 BIN 9 PLO OUT ...

Страница 136: ...T2826 Operation manual Ver1 0 126 Note the signal to BIN1 BIN9 OUT AUX PHI PLO and SREJ in the list sweep comparison is different from that in the BIN comparison Figure 9 2 the pin definition for HANDLER ...

Страница 137: ... refer to the operation manual 2 the typical comparison time is approximately 1ms 3 the display time for every display page is below MEAS DISPLAY 8ms BIN NO DISPLAY 5ms BIN COUNT DISPLAY 0 5ms Figure 9 3 the timing chart List sweep comparison signal line The definition for list sweep comparison is different from that for the BIN comparison Comparison output signal BIN BIN9 and OUT show the IN OUT ...

Страница 138: ...ed The pin distribution for list sweep is shown in table 9 3 and figure 9 2 the pin definition for the list sweep comparison is the same to that for the BIN comparison The timing chart is shown in figure 9 5 Table 9 3 the pin distribute for the list sweep comparison pin signal description 1 2 3 4 5 6 7 8 9 10 BIN1 BIN2 BIN3 BIN4 BIN5 BIN6 BIN7 BIN8 BIN9 OUT out of the limit of sweep point1 out of ...

Страница 139: ...e 31 EOM Test ended SEQ when the test is finished and the compared results are effective this signal is effective STEP When the test of every sweep point is finished EOM is finished the comparison result signal is effective until EOM is effecive oth ers The definition is the same to that of the comparison BIN1 BIN2 BIN3 BIN4 BIN5 BIN6 BIN7 BIN8 BIN9 OUT the measurement data the high limit the good...

Страница 140: ...The setting time includes the correction ON OFF time 2 The comparison and display time is 4 5ms approximately Figure 9 5 the time counting 9 2 2Electrical feature As it is shown above the signal definition for the comparison and the list sweep ...

Страница 141: ...ed to the internal voltage 5v or the external voltage EXTV 5v The electrical feature of the DC isolation output can be divided into 2 types shown in Table 9 4 Table 9 4 the electrical feature of the DC isolation output 9 2 3HANDLER Interface board circuit The output circuit for the comparison result is shown in the figure 9 6 below the output signal the output rated voltage the maximum current the...

Страница 142: ...ST2826 Operation manual Ver1 0 132 Figure 9 6 the output circuit for the comparison result The output circuit for control signal is shown in the figure 9 7 below ...

Страница 143: ...ST2826 Operation manual Ver1 0 133 Figure 9 7 the output circuit for control signal The input circuit for control signal is shown in the figure 9 8 below ...

Страница 144: ...ST2826 Operation manual Ver1 0 134 Figure 9 8 the input circuit for control signal ...

Страница 145: ...ison function 5 Press LCRZ and then press the sotfkey BIN NO or BIN COUNT the DUT will be tested at the same time you can set the counter for the DUT and the auxiliary Note COMP ON OFF can be set in BIN COUNT page The procedure for list sweep comparison 1 Press LIST SETUP LIST SWEEP SETUP page will be displayed 2 Set the sweep mode sweep frequency point reference value the high limit and the low l...

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