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User Manual SM6026

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The FUNCtion:IMPedance command is used to set instrument functions. The FUNCtion:IMPedance?
query returns the current function parameters.

Command syntax: FUNCtion:IMPedance <function>
<function> can be one of the following items.
CPD

Set the function as Cp-D

LPRP

Set the function as Lp-Rp

CPQ

Set the function as Cp-Q

LSD

Set the function as Ls-D

CPG

Set the function as Cp-G

LSQ

Set the function as Ls-Q

CPRP Set the function as Cp-Rp

LSRS

Set the function as Ls-Rs

CSD

Set the function as Cs-D

RX

Set the function as R-X

CSQ

Set the function as Cs-Q

ZTD

Set the function as Z-θ◦

CSRS Set the function as Cs-Rs

ZTR

Set the function as Z-θr

LPQ

Set the function as Lp-Q

GB

Set the function as G-B

LPD

Set the funxtion as Lp-D

YTD

Set the function as Y-θ◦

LPG

Set the function as Lp-G

YTR

Set the function as Y-θr

For example: WrtCmd (“FUNC:IMP RX”) Set the function as R-X.

Query syntax: FUNCtion:IMPedance?
Return format: <function><NL^END>

The FUNCtion:IMPedance:RANGe command is used to set the range. The
FUNCtion:IMPedance:RANGe? query returns the current range.

Command syntax: FUNCtion:IMPedance:RANGe <value>
Where, <value> can be the impedance of the DUT or NR1, NR2 or NR3 data
format followed by OHM or KOHM.
For example: WrtCmd (“FUNC:IMP:RANG 1KOHM”) Set the range as 1kOHM.

Query syntax: FUNCtion:IMPedance:RANGe?
Return format: <value><NL^END>
Where, <value> can be
10

30

100

300

1000

3000

10000 30000 100000

The FUNCtion:IMPedance:RANGe:AUTO command is used to set the automaticrange selection status.
The FUNCtion:IMPedance:RANGe:AUTO? query returns the current range status.
Command syntax:

ON (1)

FUNCtion:IMPedance:RANGe:AUTO

OFF (0)

Where,

Character 1 (49) is equal to ON.
Character 0 (48) is equal to OFF.

For example: WrtCmd (“FUNC:IMP:RANG:AUTO ON”) Set the automatic range as ON.

Query syntax: FUNCtion:IMPedance:RANGe:AUTO?
Return format: <NR1><NL^END>

The FUNCtion:Source MONitor:VAC command is used to set the voltage monitor ON or OFF. The
FUNCTtion:Source MONitor:VAC? query returns the current voltage monitor status.

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Summary of Contents for SM6026

Page 1: ...User Manual LCR Meter SM6026 ...

Page 2: ...his manual supercede all corresponding previous released material Scientific continues to improve products and reserves rights to amend part or all of the specifications procedures equipment at any time without notice Rev 1 00 0515 Scientific Mes Technik Pvt Ltd B 14 Industrial Estate Pologround Indore 452015 India Tel 0731 2422330 31 32 33 Fax 0731 2422334 561641 Email info scientificindia com We...

Page 3: ... MEAS DISPLAY 15 3 1 1 Test function 16 3 1 2 Test range 19 3 1 3 Test frequency 19 3 1 4 Test level 20 3 1 5 DC BIAS 21 3 1 6 Test speed 21 3 1 7 Tools 22 3 2 BIN NO DISP 22 3 2 1 Comparator function 23 3 3 BIN COUNT DISP 23 3 3 1 PARAM 24 3 3 2 NOM 24 3 3 3 BIN 24 3 3 4 HIGH LOW 24 3 3 5 COUNT 24 3 3 6 AUX 24 3 3 7 OUT 24 3 4 LIST SWEEP DISP 25 3 4 1 Sweep mode 25 3 4 2 FREQ Hz 26 3 4 3 R X 26 3...

Page 4: ... 2 U disk manage performance 45 4 2 3 Operation steps for file management 46 5 Execute LCR operation and some examples 47 5 1 Correction operation 47 5 1 1 Sweep correction 47 5 1 2 Point frequency correction 47 5 2 Correct connection of DUT 48 5 3 Eliminate the influence of stray impedance 49 5 4 Operation example for testing inductance with SM6026 A 50 5 5 Operation example of testing capacitanc...

Page 5: ...1 Working condition 65 6 6 2 The used instruments and devices 65 6 6 3 Function check 66 6 6 4 Test signal level 66 6 6 5 Frequency 66 6 6 6 Measurement accuracy 66 6 6 7 Accuracy of C and D 66 6 6 8 Accuracy of L 66 6 6 9 Accuracy of Z 67 6 6 10 Accuracy of DCR 67 7 Command Reference 67 7 1 Subsystem commands for SM6026 67 7 1 1 MEASlay subsystem commands 68 7 1 2 FREQuency subsystem commands 69 ...

Page 6: ... signal level monitor function for V and I Built in DC bias source External DC bias source of large current 10 points list sweep function Selectable internal resistance of 30 W 50 W 100 W Maximum measurement speed up to 30 meas sec 22 parameter combinations Internal file storage and external USB disk file storage Test data can be saved to USB disk directly RS232C USB LAN HANDLER GPIB DCI interface...

Page 7: ...ent Circuit Serial Parallel Ranging Mode Auto Hold Trigger Mode Internal Manual External BUS AC level Voltage range of test signal 10 mV 2 Vrms Min voltage resolution 100 μV 3 digit input Voltage Accuracy ALC ON 10 x set voltage 2mV ALC OFF 6 x set voltage 2mV Current range of test signal 100 μA 20 mA Min current resolution 1 μA 3 digit input Current Accuracy ALC ON 10 x set current 20 μA ALC OFF ...

Page 8: ...ounter PASS FAIL on front panel LED indication Calibration Warm Up Time 30 mins Ambient Temperature 23 5o C Test Signal Voltage 0 3 Vrms 1 Vrms Zeroing After Open or Short General Information Display 4 3 TFT LCD display Internal Non volatile Memory 100 sets of LCRZ setting files 201 times test results External USB memory GIF files LCRZ setting files Test data can be stored via USB memory directly ...

Page 9: ...ion of fuse is consistent with power supplying voltage range before charging Environment 1 Please do not operate the instrument in the place that is vibrate dusty under direct sunlight or where there is corrosive air 2 The normal working temperature is 0 C 40 C relative humidity 75 so the instrument should be used under above condition to guarantee the accuracy 3 There is heat abstractor on the re...

Page 10: ...shielding shell connect shielding layer or ground Note When test fixture or cable has not being installed the instrument will display an unstable test result Warm up 1 To guarantee the accurate measurement the warm up time is no less than 15min 2 Please not turn on or off instrument frequently in order to avoid the inner data fluster ...

Page 11: ... other operation cannot be executed on other pages 12 TRIGGER When the trigger mode is set to MAN mode press this key to trigger the instrument 13 ENTER This key is used to end the input of data and confirm and save the data displayed on the inputting line the bottom line on LCD 14 Test terminals 4 terminal test pair is used to connect 4 terminal test fixture or cable to measure DUT The 4 terminal...

Page 12: ... be unlocked When the instrument is controlled by RS232 KEYLOCK will be lighted Press KEYLOCK again it will be off which means returning to the local discharging lock status 23 HOST interface Connect U flash disk so as to save or load the file 24 DC SOURCE This key is reserved for future use of extension 2 2 Rear Panel Controls Figure 2 2 shows the rear panel of SM6026 1 LAN interface LAN interfac...

Page 13: ...page 2 Soft keys The zone is used to display the function definition of soft key The definition of soft key can be different as the difference of cursor s direction in the zone 3 Test result condition display zone In this zone test result information and current condition are displayed 4 Help In this zone information about system and user data input is displayed 2 4 Main menu keys and correspondin...

Page 14: ...responding to the current zone of the cursor will be displayed in the soft key zone Users can select and use the desired key Numeric keys and ENTER are used to input data When a numeric key is pressed down the usable unit soft key will be displayed in the soft key zone You can choose a unit soft key or press ENTER to end data inputting When ENTER is used to terminate data inputting the unit of dat...

Page 15: ...ge will be displayed on screen as shown in the following figure On this page the test result is displayed in upper case character The measurement control parameters can be set in this page Test function FUNC Test frequency FREQ Test level LEVEL Test range RANGE Test speed SPEED DC BIAS There are 6 zones in this page FUNC FREQ LEVEL RANG SPEED and DC BIAS The details will be discussed later The tes...

Page 16: ...condary Parameter D Dissipation factor Q Quality factor Rs Equivalent Series Resistance ESR Rp Equivalent Parallel Resistance X Reactance B Admittance θ Phase Angle N 1 N Turn ratio and polarity M Mutual inductance R2 DC resistance Test results of primary and secondary parameters are respectively displayed in two lines in the form of upper case characters The primary parameter displays in the uppe...

Page 17: ...ss the soft key corresponding to your desired parameter Then press to return to upper soft key menu 4 Press Lp the following parameters will be shown for your choice Lp D Lp Q Lp G Lp Rp Press the soft key corresponding to your desired parameter Then press to return to upper soft key menu 5 Press Ls the following parameters will be shown for your choice Ls D Ls Q Ls Rs Press the soft key correspon...

Page 18: ... your desired parameter Then press to return to upper soft key menu 9 Press R the following parameters will be shown for your choice R X Rp Q Rs Q Press the soft key corresponding to your desired parameter Then press to return to upper soft key menu 10 Press the following parameters will be shown for your choice G B DCR L2A L2B 11 Press G B choose the desired parameter 12 Press DCR choose the desi...

Page 19: ...HOLD The soft key is used to switch the AUTO mode to the HOLD mode When the range mode is set to HOLD the range will be locked in the current measurement range The current measurement range will be displayed in the range zone The soft key is used to increase the range under HOLD mode The soft key is used to decrease the range under HOLD mode 2 Use soft keys to set measurement range 3 1 3 Test freq...

Page 20: ...ncy the default unit is Hz 3 1 4 Test level The measurement level of SM6026 can be set according to the RMS value of sine wave signal The frequency of sine wave signal is the test frequency which is generated by inner oscillator You can set measurement voltage or current The output impedance of SM6026 signal source can be 10Ω 30Ω 50Ω or 100Ω When the test function is DCR the FREQ zone will display...

Page 21: ...played This soft key is used to increase the output level of DC bias This soft keys is used to decrease the output level of DC bias 2 Soft or numeric keys can be used to select or set the DC bias source When numeric soft keys are used to input the desired bias level the available units mV V μA mA and A will be displayed in the soft key zone Users can use these soft keys to input unit or data When ...

Page 22: ...o MEAS RESULT DISP zone the following soft keys will be displayed DECIMAL AUTO DECIMAL FIX D P POS INCR D P POS INCR 2 Press DECIMAL AUTO to reset the decimal position of the primary or the secondary parameter test result to its default setting 3 Press DECIMAL FIX to lock the decimal location of primary parameter TEST result 4 Press D P POS INCR to increase the displayed digit by ten times 5 Press...

Page 23: ...ers can set 9 pairs of primary parameter limit and one pair of secondary bin limit If the primary parameter of DUT is within the range of the bin limit but the secondary parameter is outside of the bin limit the DUT will be sorted into the auxiliary bin When SM6026 has installed an HANDLER interface the compare result will be output into the automatic test system and further realizing auto sorting...

Page 24: ...he nominal value used to make bin compare 3 3 3BIN This zone shows the bin number of the limit list 2nd means the secondary parameter limit 3 3 4HIGH LOW This zone shows the high and the low limits of the limit list 3 3 5COUNT This zone shows the count value of the current bin 3 3 6AUX This zone shows the count value of the auxiliary bin 3 3 7OUT This zone shows the count value of the out bin Oper...

Page 25: ...MODE List sweep points cannot be set on this page but can be set on LIST SWEEP SETUP 3 4 1 Sweep mode The list sweep function of SM6026 can make automatic sweep test for up to 10 points test frequencies test levels or DC bias Two sweep modes are available on SM6026 SEQ and STEP In SEQ mode each press of TRIGGER will direct SM6026 to automatically test all list sweep test points In STEP mode each p...

Page 26: ...urrently swept points L means the result is lower than the standard and H is higher than the standard while blank is medium 3 5 MEASURE SETUP Press SETUP to enter into the MEASURE SETUP page shown as below In this page the following control parameters can be set Items in parenthesis can be set Test function FUNC Test frequency FREQ Test level LEVEL Test range RANGE Test speed SPEED DC Bias DC BIAS...

Page 27: ...e In the process of testing when SM6026 receives a trigger signal it will be ignored So the trigger signal should be sent after the test is done When optional HANDLER interface triggers SM6026 the trigger mode is set as EXT Operation steps for the trigger mode setup Execute the operation of other trigger modes except BUS trigger If BUS trigger mode is necessary then use IEEE4888 interface to send ...

Page 28: ...Ω 300 Ω 1 kΩ 3 kΩ 10 kΩ 30 Ω 100 kΩ Max current 2 mA 2 mA 2 mA 2 mA 1 mA 300 μA 100 μA 30 μA 10 μA Note Bias current isolation function ISO can only be set as ON after installing bias board After bias current isolation function is turned on the test accuracy will be influenced so under the condition of low frequency and bias current the bias current isolation function should be set as OFF Operatio...

Page 29: ... OFF 4 Press ON to set the current level monitor function as ON while press OFF to set the current level monitor function as OFF 3 5 6 Delay time SM6026 trigger delay means the delay time from triggering to test start Delay function can set the trigger delay time When the list sweep test function is used all set delay time will be delayed at each sweep test point The range of the trigger delay tim...

Page 30: ...ation mode The deviation currently displayed is the difference between the test value of the DUT and the preset reference value The formula of calculating ΔABS is as below ΔABS X Y Where X is the test value of DUT Y is the preset reference value Δ Percentage deviation mode The deviation currently displayed is the percentage of the difference between the test value of DUT and the preset reference v...

Page 31: ...or to the DEV B zone the following soft keys will be displayed ΔABS Δ OFF 8 Use above soft keys to se the deviation mode of the secondary parameter 3 6 CORRECTION Press SETUP to select CORRECTION to enter into the CORRECTION Page Open short and load correction on the CORRECTION page can be used to eliminate the distribution capacitance spurious impedance and other measurement errors SM6026 provide...

Page 32: ... of the current multiple correction mode can be set through the multiple channel sweep interface or IEEE 488 interface 3 6 1 OPEN The open correction function of SM6026 can eliminate the error caused by the stray admittance G B parallel connected with DUT shown as figure 3 1 Figure 3 1 Stray Admittance SM6026 adopts the following two kinds of open correction data SM6026 will automatically make ope...

Page 33: ...n calculation in the later testing process IF FREQ 1 and FREQ 2 are set as OFF the open circuit correction data of the current frequency will be calculated by embedding algorithm When FREQ 1 and FREQ 2 are set as ON the value of the current test frequency will be that of FREQ 1 or FREQ 2 in this case the open correction data of FREQ 1or FREQ 2 will be used to the calculation of open correction 5 P...

Page 34: ...er test If FREQ 1 and FREQ 2 are set as OFF the short correction function will calculate the short correction data of the current frequency If FREQ 1 and FREQ 2 are set as ON and the current frequency is FREQ 1 or FREQ 2 the short correction data of FREQ 1 or FREQ 2 will be used in the calculation of the short correction 6 Press OFF to turn off the short correction function In latter test no short...

Page 35: ...st result R X of the short correction will be displayed in the help line the bottom line 12 Move the cursor to SHORT 13 Press ON to perform the short correction calculation at preset frequency in latter measurements 14 Prepare a standard test component 15 Move the cursor to FUNC 16 Set the function parameters required to be set 17 Move the cursor to REF A 18 Use numeric keys and unit keys to input...

Page 36: ...y parameter is out of the limit range in this case the DUT will be sorted into aux bin When SM6026 installs the HANDLER interface and it is used in automatic sorting system the compare function will be especially useful The following limit parameter of compare function only be set on LIMIT TABLE SETUP page Test parameter PARAM Limit mode of compare function MODE Nominal value NOM Auxiliary bin ON ...

Page 37: ...e deviation and absolute deviation Sequential mode Under sequential mode the range of the test value is the compare limit value The compare limit value should be set in the order from small to large Figure 3 3 Tolerance mode and Sequential mode Note When setting limit values of tolerance mode the error range should be set in the order from small to large If the error range of BIN1 is the largest o...

Page 38: ...sted results can be sorted into 10 bins BIN 1 to BIN 9 and BIN OUT at most If the primary parameter of DUT is within the limit range from BIN 1 to BIN 9 but the secondary parameter is out of the limit range in this case the DUT will be sorted into aux bin When SM6026 installs the HANDLER interface and it is used in the automatic sorting system the compare function will be especially useful Operati...

Page 39: ...e compare function menu and the limit MODE of the primary parameter 2 Move the cursor to Low limit of BIN 1 If you select tolerance mode the following operation steps should be from step 3 to step 6 if you select sequential mode the following operation steps should be from step 7 to step 11 3 User numeric keys to input low limit value in Low limit After inputting the data you can use p n μ m k M 1...

Page 40: ... test level or bias voltage of 10 points On LIST SWEEP SETUP page the following list sweep parameters can be set Sweep mode Mode Sweep parameter setup frequency Hz level V level I bias V bias Sweep test point setup sweep point Selection of limit parameter LMT High low limit HIGH LOW 3 8 1 MODE Mode menu is the same as the mode on List sweep display page 3 8 2 Test parameter Sweep parameters can be...

Page 41: ... the LMT zone When press the soft key LMT B B will be displayed in the LMT zone While press the soft key OFF data in LMT zone and the corresponding high and low limits will be cleared and be displayed as 4 SYSTEM and FILE MANAGE 4 1 SYSTEM SETUP Press System and then SYSTEM SETUP to enter into the SYSTEM SETUP page shown as below On this page most system setup items are displayed such as instrumen...

Page 42: ...he cursor to LANGUAGE the following soft keys will be displayed ENGLISH This soft key is used to select English as the operation language CHINESE This soft key is used to select Chinese as the operation language 4 1 4 PASS WORD This zone is used to display the password protection mode Operation steps for setting the password 1 Move the cursor to PASS WORD the following soft keys will be displayed ...

Page 43: ...ddress This soft key is used to decrease the GPIB address 4 1 7 TALK ONLY The Talk only function is used to control the instrument to send each measurement result to bus through its interface of RS232C GPIB LAN USBTMC or USBCDC When the talk only function is ON the instrument cannot be controlled by PC Operation steps for setting the talk only function 1 Move the cursor to TALK ONLY the following ...

Page 44: ...en use the same setting next time user can load a corresponding file to obtain the parameter set and used last time By doing so it can save the time of setting parameter and improve the production efficiency Press FILE MANAGE to enter into the file manage page shown as below 4 2 1 Setup file for single group component STA 40 groups of different single groups of component set file STA file can be s...

Page 45: ...eters High and low limits of all test points including limit parameters LIMIT DATAA LIMIT DATA B Page format currently displayed 4 2 2 U disk manage performance As described above SM6026 has a standard configuration of USB HOST interface so the external U disk can be used as the memory media In this condition it breaks the memory limit of 40 groups of LCR files Meanwhile those files can be copied ...

Page 46: ...el the current save operation and return step 2 6 Press Yes and Input LCR file name will be displayed 7 Use numeric keys to input the current file name and press ENTER Then SM6026 will save the control and setting parameters as a file in this name C Load the control and setting parameters from a file by the following steps 1 Press FILE MANAGE the file list and the following soft keys will be displ...

Page 47: ...e displays that open correction is finished d Press ON to turn on the open correction function e Insert the short plate 26010 to the test fixture f Move the cursor to the Short zone ON OFF and MEAS SHORT will be displayed in the soft key zone g Press MEAS SHORT to execute the short correction till the prompt information zone displays that the short correction is finished h Press ON to turn the sho...

Page 48: ...ce being added to the lead impedance and the connection principle is that the Hpot and Lpot test should be the actual existed voltage on DUT In other words before connecting to DUT it is not recommended to connect Hcur Hpot with Lpot Lcur for doing this will increase test error If the connection point and the lead resistance R lead are far weaker than the tested impedance for example Rlead Zx 1000...

Page 49: ... such as small capacitance the influence of stray capacitance cannot be ignored Figure 5 1 is an example of the use of 4 terminal pair measurement In this figure Cd is connected with Cx in a parallel way and when a conductance plate is positioned under DUT capacitance Ch will connect with Cx in parallel after connecting with Cl in series and by this way the measurement result will have errors If a...

Page 50: ...splayed in the soft key zone Press kHz the frequency will be changed as 5 5000kHz g Move the cursor to LEVEL the current displayed level will be 1 000V h Press 1 5 1 5 will be displayed in the prompt information zone at the bottom of the screen The available units mV V μA mA and A will be displayed in the soft key zone Press ENTER the level will be changed as 1 5V i Press SETUP to enter into the M...

Page 51: ...rimary parameter Cp function This zone will be display A and the cursor will automatically move the low limit zone of sweep point 1 j Press 3 2 5 325 will be displayed in the prompt information zone and the following available units will be displayed in the soft key zone p n μ m and k Press n this zone will be changed as 325 000n Then the cursor will automatically move the high limit zone of the s...

Page 52: ...display page 8 If the test result is obviously incorrect please check the following items a Check the tested inductance is in good connection with the test fixture or not b Check the test fixture is in good connection with the test terminals of the instrument or not c Redo the open short correction NOTE When the sweep open short correction is used the point frequency correction function should be ...

Page 53: ...al should realize reliable short circuit with low terminal if the primary parameter is L2B Hcur terminal should realize reliable short circuit with low terminal 5 6 1 Primary and secondary inductance L2A L2B After connecting the test fixture and the transformer according to figure 5 17 primary inductance can be measured if the primary parameter selects L2A and secondary inductance can be measured ...

Page 54: ...urement R2 DCR Select L2A R2 to measure the primary inductance and primary direct current resistance In LCR manner select Ls DCR to measure the inductance and direct current resistance for some winding of transformer with four terminal manner Whether it is L2A R2 L2B R2 or Ls DCR measurements are alternated between AC DC As for the measurement of high resistance especially large inductance compone...

Page 55: ...omparator has been described in the preceding chapter Here are two setup examples 5 7 1 Capacitor sorting Capacitor type 0805CG271 Basic requirements the capacitance is divided into two bins BIN J and BIN K When the capacitance passes and the loss fails it will be sorted additionally Measurement parameters frequency of 100kHz level of 1Vrms SLOW FAIL alarm and external trigger Sorting parameters J...

Page 56: ...witch 4 Press SYSTEM key to enter into the SYSTEM SETUP page System Config find FAIL BEEP item and set it as HIGH LONG 5 Return to the MEAS DISP page after setup 5 8 Operation example of load correction 1 Operation steps Test condition Frequency 100kHz Cp 11nF D 0 0005 a Press SETUP the following soft keys will be displayed in the soft key zone MEAS SETUP CORRECTION LIMIT SETUP LIST SETUP FILE MAN...

Page 57: ... away from the test fixture Press the soft key Open to execute open correction r Insert the shorting plate into the test fixture Please ensure that the short plate and the reeds of the test fixture have good contact s Press the soft key SHORT SINGLE to execute short correction t Insert a standard capacitance into the test fixture Please ensure that the pins of the standard capacitance have good co...

Page 58: ...from trigger to start 0 to 60s are programmable with a resolution of 1ms 6 1 6 Connection modes of test terminals SM6026 adopts 4 terminal test method HD Hcur current sample high terminal LD Lcur Current sample low terminal HS Hpot voltage sample high terminal LS Lpot Voltage sample low terminal 6 1 7 Test speed Frequency 10kHz Fast about 75 times s 13ms time Medium about 11 times s 90ms time Slow...

Page 59: ... 10Ω 30Ω 50Ω and 100Ω 2 are selectable 6 2 5 Monitor for test signal level Mode Range Accuracy Voltage 5mVRMS 2VRMS 0 01mVRMS 5mVRMS 3 reading 0 5mV 12 reading 0 1mV Current 50μARMS 20mARMS 0 001μARMS 50μARMS 3 reading 5μA 12 reading 1μA 6 2 6 Maximum measurement display range Parameter Measurement display range L Lk 0 00001μH 99 9999kH C 0 00001pF 9 99999F Z R X DCR 0 00001Ω 99 9999MΩ Y B G 0 000...

Page 60: ...ngth factor table D Ke temperature factor table E Kf scan fixture modification factor no add Kf 0 add Kf 0 2 L C X B accuracy using condition Dx Test value 0 1 R G accuracy using condition Qx Q test value 0 1 When Dx 0 1 L C X B accuracy factor Ae should be multiplied by 1 Dx 2 When Qx 0 1 R G accuracy factor Ae should be multiplied by 1 2x Q Accuracy of G can only be available in G B combination ...

Page 61: ...is the accuracy of D F is test frequency The accuracy of G is only available in Cp G and Lp G combination 6 3 6 Accuracy of Rp When Dx value of tested D 0 1 The accuracy of Rp is given by the formula below Where Rpx is the value of tested Rp with the unit S Dx is the value of test D with the unit F De is the accuracy of D 6 3 7 The accuracy of Rs When Dx value of tested D 0 1 The accuracy of Rs is...

Page 62: ...h the unit H De is the accuracy of D F is test frequency 6 3 8 Accuracy factor Figure A shows the basic measurement accuracy A In figure A select a smaller value on boundary line In this figure the basic accuracy value A can be obtained by the following methods 0 1 When 0 4Vrms Vs 1 2Vrms the test speed is the value A of medium slow and fast ...

Page 63: ...ion coefficient Ar refer to figure B the current basic measurement accuracy A is obtained by multiplying A got in step 1 with Ar Figure B is the basic accuracy modification curve where Vs is the test signal Voltage Table A Impedance rate factors Ka Kb Where fm is the test frequency and the unit is Hz The unit of the tested impedance is Ω The unit of the test signal voltage is mVrms When the impeda...

Page 64: ...can jig take the correction factor Kd when the cable length is 2m Table E Temperature factor Ke Temperature 5 8 18 28 38 Ke 6 4 2 1 2 4 6 3 9 Accuracy of DCR A 1 Rx 5MΩ 16mΩ Rx 0 2mΩ When the instrument is in Middle and slow speed A 0 25 In Fast speed A 0 5 Where Rx is the tested resistance 6 3 10 Accuracy of leakage inductance Lk Inductance L s accuracy 0 2 6 4 Safety requirement The instrument i...

Page 65: ...ted interference based on the requirement of GB6833 10 6 6 Performance test 6 6 1 Working condition All tests should be performed under the working condition listed in Chapter 1 In this part only the main indexes are listed Users can make test under the specified condition mentioned in this manual Performance test can be worked in the warm up conditions discussed in Section 1 6 6 2 The used instru...

Page 66: ...test signal frequency in this section 6 6 6 Measurement accuracy Basic parameters are R L C and D so measurement accuracy is mainly about R L C and D 6 6 7 Accuracy of C and D Function Cp D Test frequency 100Hz 1kHz 10kHz 100kHz Test respectively Level 1V Range AUTO Bias 0V Speed Slow Open and short correction should be made before testing Connect standard capacitors 100pF 1000pF 10nF 0 1uF 1uF an...

Page 67: ...est condition Function DCR Test frequency Level Range AUTO Bias Speed Slow Short correction should be made before testing Connect standard DC resistors 0 1Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ 100kΩ The error between reading and nominal value should be in the range ruled in this section 7 Command Reference The signs in this manual are as follows NR1 integer e g 123 NR2 fix point number e g 12 3 NR3 floating poin...

Page 68: ... display page as the list sweep display MSETup Set the display page as the measurement display CSETup Set the display page as the correction setup LTABle Set the display page as the limit table setup LSETup Set the display page as the list sweep setup SYSTem Set the display page as the system setup page FLISt Set the display page as the file list page For example WrtCmd DISP PAGE MEAS Set the disp...

Page 69: ...y LINE Return format string NL END The ResultFONt command is used to set the current font of the measurement result The ResultFONt Query returns the current font of the measurement result Command syntax DISPlay RFONt font font can be the following information LARGe Use large character to display the measurement result 12ms meas TINY Use tiny character to display the measurement result 5ms meas OFF...

Page 70: ...measurement current The CURRent query returns the current measurement current Command syntax value CURRent MIN MAX Where value NR1 NR2 or NR3 data format followed by MA MIN Set the measurement current as 50μA MAX Set the measurement current as 20mA For example WrtCmd CURR 10MA Set the measurement current as 10mA Query syntax CURRent Return format NR3 NL END 7 1 5 AMPLitude subsystem commands The A...

Page 71: ...e HPOWer command is used to set the 1A DC bias source as ON or OFF The HPOWer query returns the current status of the 1A DC bias source Before using this command please ensure the option component 1A DC bias source has been installed Command syntax ON OUTPut HPOWer OFF 1 0 Where Character 1 49 is equal to ON Character 0 48 is equal to OFF Query syntax OUTPut HPOWer Return format INT NL END or OPT1...

Page 72: ...haracter 1 49 is equal to ON Character 0 48 is equal to OFF For example WrtCmd BIAS STATe 0 Set the DC bias function as OFF Query syntax BIAS STATe Return format NR1 NL END The BIAS VOLTage command is used to set the internal bias voltage The BIAS VOLTage query returns the current bias voltage Command syntax value BIAS VOLTage MIN MAX Where value NR1 NR2 or NR3 data format MIN Set the bias voltage...

Page 73: ...AX Set the bias current as 10A For example WrtCmd BIAS CURR MIN Set the DC bias current as 0A Query syntax BIAS CURRent Return format NR3 NL END 7 1 9 FUNCtion subsystem commands The FUNCtion subsystem commands are mainly used to set measurement functions range current voltage monitor ON OFF deviation display mode nominal setting Command tree FUNCtion IMPedance CPD CPQ CPG CPRP CSD CSQ CSRS LPQ LP...

Page 74: ...NCtion IMPedance Return format function NL END The FUNCtion IMPedance RANGe command is used to set the range The FUNCtion IMPedance RANGe query returns the current range Command syntax FUNCtion IMPedance RANGe value Where value can be the impedance of the DUT or NR1 NR2 or NR3 data format followed by OHM or KOHM For example WrtCmd FUNC IMP RANG 1KOHM Set the range as 1kOHM Query syntax FUNCtion IM...

Page 75: ...on SMONitior IAC Return format NR1 NL END The FUNCtion DEV n MODE command is used to set the deviation measurement mode The FUNCtion DEV n MODE query returns the current deviation measurement mode Command syntax ABSolute FUNCtion DEV n MODE PERCent OFF Where ABSolute Absolute value deviation display PERCent Percent deviation display OFF Real value display Where n is Character 1 49 is equal to the ...

Page 76: ...For example WrtCmd FUNC DEV1 REF FILL 7 1 10 LIST subsystem commands The LIST subsystem commands are mainly used to set the list sweep function sweep points sweep mode sweep limits Command tree The LIST FREQuency command is used to clear the original sweep points and set the frequencies of the sweep points The LIST FREQuency query returns the current frequency of each sweep point Command syntax LI...

Page 77: ...OTE value should be set from 5mV to 2V or return format will report errors The LIST CURRent command is used to clear the measurement current of each sweep point and reset the current The LIST CURRent query returns the current of each sweep point Command syntax LIST CURRent value value NOTE part means 10 sweep points at most can be set Where value is NR1 NR2 or NR3 data format For example WrtCmd LI...

Page 78: ...AS CURR 1E 2 2E 2 3E 2 4E 2 Set the DC bias currents of sweep points 1 2 3 and 4 respectively as 10mA 20mA 30mA and 40mA Query syntax LIST BIAS CURRent Return format NR3 NR3 NL END NOTE SM6026 series instrument has installed a 10V 100mA internal DC bias current source If 1A DC source is required please install an external source SM6026 can be used with suitable DC Bias Source not all DC bias sourc...

Page 79: ...ple WrtCmd LIST BAND1 A 10 20 WrtCmd LIST BAND3 OFF Query syntax LIST BAND n Return Format parameter low limit n high limit n 7 1 11 APERture subsystem commands The APERture subsystem commands are mainly used to set the measurement speed average times used in measurement The APERture query returns the current measurement speed average times Command syntax FAST APERture MEDium value SLOW Where FAST...

Page 80: ...Triggered by RS232C interface or GPIB interface HOLD Triggered by pressing TRIGGER For example WrtCmd TRIG SOUR BUS Query syntax TRIGger SOURce Return format INT EXT NL END BUS HOLD The TRIGger DELay command is used to set the delay time after triggering The TRIGger DELay query returns the current delay time Command syntax value TRIGger DELay MIN MAX Where value In NR1 NR2 or NR3 data format from ...

Page 81: ...NESNN SN SN or SNN NL END DATAA DATA B Status BIN number Where DATAA DATA B format DATAA primary measurement data DATA B secondary measurement data 12 digits ASCII format are as below SN NNNNNESNN S N from 0 to 9 E Exponent Sign Status Description 1 0 1 2 3 4 In data buffer memory no data Common measurement data Analog LCR unbalance A D converter is not working Signal source is over loading Consta...

Page 82: ...sweep display page the ASCII data output format is shown as below that is the return circuit replaces sweep point number SN NNNNNESNN SN NNNNNESNN SN SN NL END DATAA DATA B Status Judge Figure 6 ASCII format 2 list sweep Where Descriptions for DATAA DATA B Status are the same described before Judge format is as below Input Output format The data displays the compare result of the list sweep Data R...

Page 83: ...N SHORT LOAD Command tree CORRection LENGth value METHod SINGle MULTiple OPEN STATe ON 1 OFF 0 SHORt STATe ON 1 OFF 0 LOAD STATe ON 1 OFF 0 TYPE CPD CPQ CPG CPRP CSD CSQ CSRS LPQ LPD LPG LPRP LSD LSQ LSRS RX ZTD ZTR GB YTD YTR SPOT1 STATe ON 1 2 OFF 0 3 FREQuency value OPEN SHORt LOAD STANdard REF A REF B USE channel number DATA channel number ...

Page 84: ...ETH MULT Set the instrument as multi channel mode Query syntax CORRection METHod Return format SINGle NL END MULTi The CORReciton OPEN command is used to execute open correction for 43 preset test points SM6026 A has 41 preset test points Command syntax CORRection OPEN For example WrtCmd CORR OPEN The CORRection OPEN STATe command is used to set the open correction ON or OFF The CORReciton OPEN ST...

Page 85: ...ion LOAD STATe Return format NR1 NL END The CORRection LOAD TYPE command is used to set the tested parameter type The CORRection LOAD TYPE query returns the current parameter type Details of function are as follows CPD Set the function as Cp D LPRP Set the function as Lp Rp CPQ Set the function as Cp Q LSD Set the function as Ls D CPG Set the function as Cp G LSQ Set the function as Ls Q CPRP Set ...

Page 86: ...ency value Where value can be NR1 NR2 or NR3 data format followed by HZ kHz and MHZ n 1 refers to frequency spot 1 2 fefers to frequency spot 2 3 refers to frequency spot 3 For example WrtCmd CORR SPOT1 FREQ 2KHZ Set the frequency of frequency spot 1 as 2KHZ NOTE value should be ranged from 20HZ to 300KHZ SM6026 A or return format will report errors Query syntax CORRection SPOT n FREQuency Return ...

Page 87: ...NR3 NL END The CORRection USE command is used to set the channel number of multi channel correction The CORRdction USE query returns the current used channel number Command syntax CORRection USE channel number Where channel number ranges from 1 to 127 NR1 NR2 or NR3 data format For example WrtCmd CORR USE 10 Set the channel number as 10 Query syntax CORRection USE Return format channel number NL E...

Page 88: ...ATe query returns the current comparator state Command syntax ON COMParator STATe OFF 1 0 Where 1 decimal 49 is equal to ON 0 decimal 48 is equal to OFF For example WrtCmd COMP ON Query syntax COMParator STATe Return format NR1 NL END The COMParator MODE command is used to set the comparator mode The COMParator MODE query returns the current mode COMParator STATe ON 1 OFF 0 MODE Absolute TOLerance...

Page 89: ...e is set as deviation mode The COMParator TOLeance BIN n query returns the current high and the low limits of each bin Command syntax COMParatro TOLerance BIN n low limit high limit Where n is the bin number from 1 to 9 low limit is the low limit in NR1 NR2 or NR3 data format high limit is the high limit in NR1 NR2 or NR3 data format NOTE The low limit should be smaller than the high limit or erro...

Page 90: ...x COMParator SLIMit Return format NR3 NL END The COMParator Auxiliary BIN command is used to set the auxiliary bin as ON or OFF The COMParator Auxiliary BIN query returns the current auxiliary bin state Command syntax ON COMParator Auxiliary BIN OFF 1 0 Where 1 decimal 49 is equal to ON 0 decimal 48 is equal to OFF For example WrtCmd COMP ABIN ON Query syntax COMParator Auxiliary BIN Return format...

Page 91: ...omparison result of the bin count Query syntax COMParator BIN COUNt DATA Return format BIN1 count BIN2 count BIN9 count OUT OF BIN count AUX BIN count NL END Where BIN1 9 count is the count result of BIN1 9 in NR1 data format OUT OF BIN count is the count result of the OUT OF BIN in NR1 data format AUX BIN count is the count result of the auxiliary bin in NR1 data format The COMParator BIN COUNt C...

Page 92: ...tatus register Command syntax CLS For example WrtCmd CLS The IDN query returns SM6026 ID Query syntax IDN Return format manufacturer model firmware NL END Where manufacturer Name of Manufacturer Tonghui model Instrument Model SM6026 A firmware Firmware Version VER1 0 0 For example WrtCmd IDN The TST query executes an internal self test and returns the test result as the sum of all existing errors ...

Page 93: ...iptions for each byte of the status byte register are shown as follows Bit number Description 7 6 5 4 3 0 Operation Status Register Summary Bit RQS Request Service Bit Standard Event Status Register Summary Bit MAV Message Available Bit Always 0 zero Query syntax SRE Return format value NL END For example WrtCmd SRE The ESR query returns the contents of the standard event status register Query syn...

Page 94: ...Status Register Summary Bit RQS Request Service Bit Standard Event Status Register Summary Bit MAV Message Available Bit Always 0 zero For example WrtCmd STB The OPC command equals to set the OPC bit of the standard event status register when SM6026 finishes all parameter measurements Ever since all pending operations have been completed this command will inform the instrument to add a ASCII numbe...

Page 95: ...atch the instrument only on the receipt of our advise securely packed in original packing duly insured and freight paid along with accessories and a copy of the faults details noticed at our Service Center listed on last page of this manual nearest to you Warranty Conditions Scientific warrants all its Instruments to be free from defects in material and workmanship when used under normal operating...

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