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U2829 Series Operation Manual Contents

III

3.4.1

Trigger mode ...................................................................................................... 23

3.4.2

Auto level control function ................................................................................ 24

3.4.3

Bias current isolation function ........................................................................... 24

3.4.4

Average .............................................................................................................. 25

3.4.5

Level monitor function ....................................................................................... 25

3.4.6

Delay time .......................................................................................................... 26

3.4.7

Output impedance .............................................................................................. 26

3.4.8

Deviation test function ....................................................................................... 27

3.5

<CORRECTION> ...................................................................................................... 28

3.5.1

OPEN ................................................................................................................. 29

3.5.2

SHORT ............................................................................................................... 30

3.5.3

LOAD ................................................................................................................. 31

3.5.4

Load correction test function .............................................................................. 33

3.5.5

Cable length selection ........................................................................................ 34

3.5.6

Single/ multi correction mode ............................................................................ 34

3.6

.................................................................................................... 34

3.6.1

Swap parameter .................................................................................................. 35

3.6.2

Limit modes of compare function ...................................................................... 35

3.6.3

Set nominal value of tolerance mode ................................................................. 36

3.6.4

Comparator function ON/OFF ........................................................................... 37

3.6.5

Auxiliary bin ON/OFF ....................................................................................... 37

3.6.6

HIGH/LOW........................................................................................................ 38

3.7

...................................................................................................... 39

3.7.1

MODE ................................................................................................................ 40

3.7.2

Test parameter .................................................................................................... 40

3.7.3

Sweep parameter setup ....................................................................................... 40

Chapter 4

[SYSTEM] and <FILE MANAGE>

.................................................................... 41

4.1

<SYSTEM SETUP> .................................................................................................. 41

4.1.1

MAIN FUNC ..................................................................................................... 41

4.1.2

ON BEEPERS .................................................................................................... 42

4.1.3

PASS BEEP ........................................................................................................ 42

4.1.4

FAIL BEEP ........................................................................................................ 42

4.1.5

LANGUAGE...................................................................................................... 43

4.1.6

PASS WORD ..................................................................................................... 43

4.1.7

BUS MODE (Reserved function) ...................................................................... 44

4.1.8

BUS ADDR (Reserved function) ....................................................................... 44

4.1.9

FETCH MODE .................................................................................................. 44

4.1.10

BIAS SRC .......................................................................................................... 45

4.1.11

BAUD RATE ..................................................................................................... 45

4.1.12

DATA/TIME ...................................................................................................... 46

4.1.13

SYSTEM INFORMATION................................................................................ 46

4.1.14

FIRMWARE UPDATE ...................................................................................... 46

4.1.15

SYSTEM TEST ................................................................................................. 47

4.2

LCR <FILE MANAGE>

........................................................................................ 48

Содержание U2829 Series

Страница 1: ...d d A A Ad d dd d d No 1 North Qiyang Road Tianning District Changzhou Jiangsu T T Te e el ll 0 0 05 5 51 1 19 9 9 8 8 85 5 55 5 50 0 05 5 51 1 19 9 99 9 9 F F Fa a ax x x 0 0 05 5 51 1 19 9 9 8 8 85 5 55 5 50 0 05 5 51 1 16 6 69 9 9 E E E m m ma a ai iil ll S S Sa a al lle e es s s e e eu u uc c co o ol ll c c co o om m m c c cn n n W W We e eb b bs s si iit t te e e h h ht t tt t tp p p w w ww w...

Страница 2: ...ponding displayed pages 7 2 4 1 MEAS 7 2 4 2 SETUP 8 2 4 3 SYSTEM 9 2 5 Basic Operation 9 2 6 Start the instrument 9 Chapter 3 Introduction to DISP 11 3 1 MEAS DISPLAY 11 3 1 1 Test function 12 3 1 2 Test range 13 3 1 3 Test frequency 14 3 1 4 Test level 15 3 1 5 DC bias 16 3 1 6 Test speed 16 3 1 7 Tools 17 3 2 BIN DISPLAY 17 3 2 1 Comparator function 18 3 2 2 FUNC 19 3 2 3 NOMINAL 19 3 2 4 BIN 1...

Страница 3: ... 35 3 6 2 Limit modes of compare function 35 3 6 3 Set nominal value of tolerance mode 36 3 6 4 Comparator function ON OFF 37 3 6 5 Auxiliary bin ON OFF 37 3 6 6 HIGH LOW 38 3 7 LIST SETUP 39 3 7 1 MODE 40 3 7 2 Test parameter 40 3 7 3 Sweep parameter setup 40 Chapter 4 SYSTEM and FILE MANAGE 41 4 1 SYSTEM SETUP 41 4 1 1 MAIN FUNC 41 4 1 2 ON BEEPERS 42 4 1 3 PASS BEEP 42 4 1 4 FAIL BEEP 42 4 1 5 ...

Страница 4: ...est function 62 6 1 1 Parameter and symbol 62 6 1 2 Test combination 62 6 1 3 Mathematical operation 62 6 1 4 Equivalent mode 62 6 1 5 Range 62 6 1 6 Trigger 62 6 1 7 Delay time 63 6 1 8 Connection modes of test terminals 63 6 1 9 Test speed Frequency 10kHz 63 6 1 10 Average 63 6 1 11 Display digit 63 6 2 Test signal 63 6 2 1 Test signal frequency 63 6 2 2 Signal mode 64 6 2 3 Test signal level 64...

Страница 5: ...ommands 78 7 1 4 CURRent subsystem commands 78 7 1 5 AMPLitude subsystem commands 79 7 1 6 Output RESister subsystem commands 79 7 1 7 OUTPut subsystem commands 80 7 1 8 BIAS subsystem commands 81 7 1 9 FUNCtion subsystem commands 82 7 1 10 LIST subsystem commands 86 7 1 11 APERture subsystem commands 89 7 1 12 TRIGger subsystem commands 90 7 1 13 FETCh subsystem commands 91 7 1 14 CORRection subs...

Страница 6: ...on the rear panel 2 Power supplying frequency range 47 63Hz 3 Power supplying power range less than 80VA 4 Power supplying input phase line L zero line N ground lead E should be as same as the power plug of the instrument 5 After careful design the instrument can reduce the clutter jamming caused by AC power terminal input however it should be used under the environment with low noise Please insta...

Страница 7: ...ween 5 and 40 humidity is less than 85 RH If the instrument will not be put in use for a time please have it properly packed with its original box or a similar box for storing 6 The instrument especially the test cable should be far from strong electro magnetic field to avoid the jamming on measurement 1 5 Use of Test Fixture Please use the accessory test fixture or cable the test fixture made by ...

Страница 8: ...U2829 Series Operation Manual Chapter 1 Out of Box Audit 3 1 7 Other features 1 Power consumption power 80VA 2 Dimension W H D 400mm 132mm 350mm 3 Weight About 10kg ...

Страница 9: ...n operation Press this key to execute OPEN SHORT calibration 4 Soft keys Six soft keys are used to select parameters The corresponding function of each soft key has been displayed on its left the right part of LCD The function definition varies with different pages 5 Ground terminal The ground terminal is connected with the case of instrument which can be used to protect or shield the ground conne...

Страница 10: ... the cursor moves to a zone the corresponding zone will be lightened 14 Knob for menu selection and numeric input This knob is used to move the cursor select and set parameters 15 SAVE Copy the currently displayed page to USB memory 16 Brand and model Brand and model 17 USB HOST interface Connect U flash disk so as to save or use a specified file 18 KEYLOCK Press KEYLOCK it will be lighted which m...

Страница 11: ...gnal foot switch optional can be used to trigger measurement when the trigger source is EXT 5 RS232 interface Series communication interface can realize the communication with PC 6 USB DEVICE interface The tester can communicate with PC through the USB DEVICE interface 7 Bar code scanner interface The tester can be connected to a bar code scanner 8 Nameplate Information about production date instr...

Страница 12: ...ate the name of the currently displayed 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 displ...

Страница 13: ...be displayed on the transformer scan display page LOAD STD DEVIATION SPEED PRI 1 TEST FAIL 2 4 2 SETUP When the LCR function is active press this key SETUP the following soft keys will be displayed in the soft key zone on the LCR measurement setup page MEAS SETUP CORRECTION LIMIT TABLE LIST SETUP GRAPH SETUP When the transformer measurement function is active press this key SETUP the following sof...

Страница 14: ...an select and use the desired key Numeric keys BACKSPACE 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 data will be set to a default unit such as Hz V or A For example the default unit fo...

Страница 15: ...ection function is on users are required to input the password and then press ENTER to enter into the page of main menu Note The instrument has a default password 123456 In your practical use you can change it and set your own one Please see SYSTEM section for more information ...

Страница 16: ...rol parameters can be set in this page Test function FUNC A B Test frequency FREQ Test level LEVEL Test function FUNC C Test range RANGE DC bias Test speed SPEED Test function FUNC D There are 8 zones in this page FUNC A B FUNC C FUNC D FREQ LEVEL RANG SPEED DC BIAS The details will be discussed later The test result condition display zone shows the information about test condition These condition...

Страница 17: ...e X Reactance B Admittance θ Phase Angle 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 upper line while the secondary parameter displays in the lower line Operation steps for setting test function 1 Move the cursor to FUNC A B zone the following soft keys will be displayed on the s...

Страница 18: ...orresponding to your desired parameter Then press RETURN to return to upper soft key menu 6 Press Z the following parameters will be shown for your choice Z θr Z θº R X Rp Q Rs Q RETURN Press the soft key corresponding to your desired parameter Then press RETURN to return to upper soft key menu 7 Press Y another group of soft keys will be shown Y θr R θº G B RETURN Press the soft key corresponding...

Страница 19: ...z with an increase or decrease of 0 01Hz When the test function is set as DCR the FREQ zone will display Operation steps for setting test frequency U2829 provides two methods to set measurement frequency The first one is to use soft keys and the other one is to input data by using numeric keys 1 Move the cursor to the FREQ zone the following soft keys will be displayed This is a coarse adjustment ...

Страница 20: ...ent voltage is the output one when the tested terminal is open The auto level control function of U2829 can realize the measurement of constant voltage or current The auto level control function ALC can be set as ON in MEAS page When the auto level control function is set to ON will be displayed following the current level value Refer to MEAS for more information Operation steps for setting test l...

Страница 21: ...ayed in the soft key zone Users can use these soft keys to input unit or data When ENTER is used to terminate the input of bias value the default unit is V or A NOTE When you need to switch the DC bias level between current and voltage numeric keys and unit soft keys must be used Press the DC BIAS key on the front panel to allow the output of DC bias When DC bias is permitted to output the DC BIAS...

Страница 22: ...P AUTO D P FIX A D P FIX B DISP OFF ON 2 Press D P AUTO to reset the decimal position of the primary or the secondary parameter test result to its default setting 3 Press D P FIX A to lock the decimal location of primary parameter TEST result 4 Press D P FIX B to lock the decimal location of secondary parameter TEST result 5 Press DISP OFF ON to close the display of test results NOTE Under the fol...

Страница 23: ...nction U2829 has an inserted compare function which can divide DUT to up to 10 bins from BIN1 to BIN9 and BIN OUT Users 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 U2829 has installed an HA...

Страница 24: ...OMINAL Nominal parameter is the nominal value used to make bin compare 3 2 4BIN This zone shows the bin number of the limit list 2nd means the secondary parameter limit 3 2 5HIGH LOW This zone shows the high and the low limits of the limit list 3 2 6COUNT This zone shows the count value of the current bin 3 2 7AUX This zone shows the count value of the auxiliary bin 3 2 8OUT This zone shows the co...

Страница 25: ... to cancel the reset operation 3 3 LIST SWEEP DISP Up to 10 test frequencies test levels or DC bias can be set on this page Users can set the high and the low limits for each list sweep test point Auto sweep test will be made on these test points And their test results will be compared with their limits Press down the menu key MEAS and then the soft key LIST SWEEP to enter into the LIST SWEEP page...

Страница 26: ...gger mode is set to MAN TRIG can be used to trigger the list sweep test Operation steps for setting the list sweep mode Set the sweep mode on the LIST SWEEP page as SEQ or STEP 1 On the LIST SWEEP page move the cursor to the SWEEP MODE zone the following soft keys will be displayed SEQ STEP 2 Press SEQ to set the sweep mode as sequential sweep test mode 3 Press STEP to set the sweep mode as single...

Страница 27: ...han the standard while blank is medium 3 4 MEASURE SETUP Press SETUP to enter into the MEAS SETUP page shown as below U2829306 In this page the following control parameters can be set Items in parenthesis can be set Test function FUNC A B Test function FUNC C Test function FUNC D Test frequency FREQ Test level LEVEL Test range RANGE Test speed SPEED DC Bias DC BIAS DC Voltage Source DC SOUR Trigge...

Страница 28: ...igger modes on U2829 INT MAN EXT and BUS When the trigger mode is set as INT U2829 will make sequential and repeated tests When the trigger mode is set as MAN press TRIGGER once U2829 will make one test When the trigger mode is set as EXT once the HANDLER interface receives a positive impulse U2829 will execute one measurement When the trigger mode is set as BUS once the IEEE 488 interface receive...

Страница 29: ...steps for setting auto level control function Execute the following steps and set the constant level function as ON or OFF 1 Move the cursor to ALC zone the following soft keys are displayed ON OFF 2 Press ON to turn on the auto level control function 3 Press OFF to turn off the auto level control function 3 4 3Bias current isolation function Bias current isolation function can prevent the DC curr...

Страница 30: ... average times can be set from 1 to 255 with an increase or decrease of 1 Operation steps for setting test average times 1 Move the cursor to the AVG zone the following soft keys are displayed This key is used to increase the average times This key is used to decrease the average times 2 Use above soft keys to set the average times or use numeric keys and ENTER input average times directly 3 4 5Le...

Страница 31: ...great useful when the instrument is applied in an auto test system When the instrument is triggered by HANDLER interface the trigger delay time can ensure DUT and test terminal has a reliable contact Operation steps for setting the delay function Execute the following steps to set the measurement delay time 1 Move the cursor to the TRIG DLY zone 2 Use numeric keys to input delay time After pressin...

Страница 32: ...n the test value of DUT and the preset reference value divided by the reference value Its calculating formula is as below Δ X Y Y 100 Where X is the test value of DUT Y is the preset reference value Operation steps for setting deviation test function 1 Move the cursor to the REF A zone to input the reference value of the primary parameter the following soft key will be displayed MEAS When the refe...

Страница 33: ...hort and load correction on the CORRECTION page can be used to eliminate the distribution capacitance spurious impedance and other measurement errors U2829 provides two correction modes the first one is executing open and short correction on all frequency points through interpolation method the other one is executing open short and load correction on the frequency point currently set The following...

Страница 34: ...nnels of the current multiple correction mode can be set through the multiple channel sweep interface or IEEE 488 interface 3 5 1OPEN The open correction function of U2829 can eliminate the error caused by the stray admittance G B parallel connected with DUT shown as figure 3 1 Figure 1 Stray Admittance U2829 adopts the following two kinds of open correction data U2829 will automatically make open...

Страница 35: ...ORT This soft key can be used to terminate the current open correction operation and reserve the formal open correction data 4 Press ON to turn on the function of open circuit correction then U2829 will perform open circuit correction calculation in the later testing process IF SPOT FREQ is set as OFF the open circuit correction data of the current frequency will be calculated by imbedding algorit...

Страница 36: ...onnect the test fixture to the test ports Short the test fixture by using short plate 3 Press the SWEEP SHORT soft key U2829 will test the short spurious impedances resistance and reactance of 41 frequencies Short full frequency correction takes about 75 seconds and in this process the following soft keys will be displayed ABORT This soft key can be used to cancel the current short correction oper...

Страница 37: ...r set frequency spot When using numeric keys to input the required frequency spot the soft key displays the available units x1 ESC You can use unit soft key or ENTER to input data 3 Move the cursor to FREQ the following soft keys will be displayed ON Press this soft key to make the open short load correction data be available OFF Press the soft key to make the open short load correction data be un...

Страница 38: ... unit keys to input the primary reference values of the standard component 21 Move the cursor to REF B 22 Use numeric keys and unit keys to input the secondary reference value of the standard component 23 Move the cursor to the corresponding FREQ 24 Connect the standard component to the test fixture 25 Press MEAS LOAD the instrument will execute a load correction The real test results of the stand...

Страница 39: ...mary parameters and one of secondary parameters The tested result can be divided into up to 10 bins BIN 1 to BIN 9 and BIN OUT If the primary parameter of DUT is within the limit range from BIN1 to BIN9 but the secondary parameter is out of the limit range in this case the DUT will be sorted into aux bin When U2829 installs the HANDLER interface and it is used in automatic sorting system the compa...

Страница 40: ...mary and the secondary parameters 1 Move the cursor to FUNC the following soft key will be displayed SWAP 2 Press SWAP to swap the primary and the secondary parameters 3 Press SWAP to swap the primary and the secondary parameter which is to recover the formal setup 3 6 2Limit modes of compare function Compare functions has two limit setup modes for primary parameters as shown in figure 3 3 Toleran...

Страница 41: ... be larger than the nominal value The limit range of each bin can be discontinues or overlapped Operation steps for setting the limit mode of the compare function 1 Move the cursor to the CMP MODE zone the following soft keys will be displayed TOL This soft key is used to set the limit mode as the tolerance mode SEQ MODE This soft key is used to set the limit mode as sequential mode 2 Use above so...

Страница 42: ...HANDLER interface and it is used in the automatic sorting system the compare function will be especially useful Operation steps for setting the compare function ON OFF 1 Move the cursor to BIN CMP the following soft keys will be displayed ON OFF 2 Use above soft keys to set the compare function as ON or OFF 3 6 5Auxiliary bin ON OFF When it is necessary to sort the secondary parameters the limits ...

Страница 43: ...N 9 The limit of the secondary parameter can be set in HIGH and LOW of 2nd Operation steps for setting high low limit Execute the following steps to set sorting limits 1 Set FUNC and NOMINAL in the compare function menu and the limit CMP MODE and TOL 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 ...

Страница 44: ...limit of BIN 2 will be the high limit of BIN 1 Input the high limit of BIN 2 10 Repeat step 9 until the high limit of BIN 9 is input Then the cursor will automatically move to LOW of 2nd Input the low limit of the secondary parameter 11 The cursor will automatically move to HIGH of 2nd Input the high limit of the secondary parameter 3 7 LIST SETUP Press SETUP and then LIST SETUP to enter into the ...

Страница 45: ...anel to input the data of test frequency level bias and high low limit used to compare as well as the selected primary secondary use to compare After setting if some inputs are unnecessary you can execute the function of Delete line in the soft key zone to delete the corresponding value In the bottom of the LMT zone parameter A indicates that the primary parameters of the measurement result are us...

Страница 46: ...S word bus mode GPIB address TALK only Bias SRC baud rate data time 4 1 1MAIN FUNC The function of this zone is to control and display available instrument functions Operation steps for setting the instrument main function 1 Move the cursor to MAIN FUNC the following soft keys will be displayed LCR This soft key is used to select the component measurement function TRANS MEAS This soft key is used ...

Страница 47: ... qualified Operation steps for setting PASS ALM 1 Move the cursor to PASS ALM the following soft keys will be displayed HIGH LONG This soft key is used to select high and long beep LOW LONG This soft key is used to select low and long beep SHORT This soft key is used to select high and short beep TWO SHORT This soft key is used to select two low and short beeps OFF This soft key is used to set the...

Страница 48: ...rating instrument Operation steps for setting language 1 Move the 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 6PASS WORD This zone is used to display the password protection mode Operation steps for setting the password 1 Move the ...

Страница 49: ...interface bus Note GPIB optional must be installed before GPIB mode is available 4 1 8BUS ADDR Reserved function This zone is used to control and display the current GPIB address Operation steps for setting GPIB address 1 Move the cursor to BUS ADDR the following soft keys will be displayed This soft key is used to increase the GPIB address This soft key is used to decrease the GPIB address 4 1 9F...

Страница 50: ...U2901 1A optional must be installed then the mode can be supported EXT mode When the instrument adopts the external bias source to perform on line test the EXT mode should be selected We provide the following external bias source for your choice U1773 and U1776 NOTE U1773 must be connected then this mode can be supported Operation steps for setting bias source 1 Move the cursor to BIAS SRC the fol...

Страница 51: ...19200 38400 57600 115200 2 Use above soft key is to set the baud rate 4 1 12 DATA TIME When moving to the time zone user should input the password to enter 4 1 13 SYSTEM INFORMATION Press SYSTEM INFO enter into the SYSTEM INFO page shown as below 4 1 14 FIRMWARE UPDATE 1 Press FIRMWARE UPDTE enter into the FIRMWARE UPDATE page shown as below ...

Страница 52: ...pter 4 SYSTEM and FILE 47 2 Press UPDTE the following soft keys will be displayed YES NO 3 Press YES soft key to update the firmware of the instrument 4 1 15 SYSTEM TEST Press SYSTEM TEST enter into the SYSTEM TEST page shown as below ...

Страница 53: ...r scanning will be described in the part of transformer test setting Press FILE to enter into the file manage page shown as below U2829402 4 2 1Setup file for single group component STA 100 groups of different single groups of component set file LCR file can be saved in the instrument but the LCR file with the number more than 100 should be saved in external U disc note U disc is an optional acces...

Страница 54: ... Level Bias Test points of all sweep parameters High and low limits of all test points including limit parameters LIMIT DATA A LIMIT DATA B Page format currently displayed Control and set parameters on TRANS TEST SET page Transformer sweep test mode SEQ STEP Test frequency of turn inductance leakage and DCR Test level of turn inductance leakage and DCR ON OFF state of turn inductance leakage and D...

Страница 55: ...page by one page 3 Press the soft key SEARCH Input the file name and then press the ENTER to search the target file B Save the following control and setting parameters to a file by the following steps 1 Select and set all control and setting parameters on the desired page 2 Press FILE key the following soft keys will be displayed LOAD SAVE DELETE COPY SEARCH EXT 3 In the file list move the cursor ...

Страница 56: ...AVE DELETE COPY SEARCH EXT 3 Press COPY soft key the help information display Input source file s No 4 Using numeric keys to input the source file s position press ENTER the help information display Input destination file s No 5 Using numeric keys to input the destination file s position press ENTER the help information display Input file s nums 6 Using numeric keys to input the number of files pr...

Страница 57: ...N to turn on the open correction function e Insert the short plate U26010 to the test fixture f Move the cursor to the Short zone ON OFF and SWEEP SHORT will be displayed in the soft key zone g Press SWEEEP SHORT to execute the short correction till the prompt information zone displays that the short correction is finished h Press ON to turn the short correction function i Move the cursor to the L...

Страница 58: ... contains shielding layer whose function is to reduce the influence of the ground stray capacitance and the interference of the electromagnetic field In the process of testing Hcur Hpot and Lpot Lcur should be connected with DUT lead to form a complete 4 terminal measurement thus reducing the effect of the lead and the connection points on the test results especially the dissipation measurement Wh...

Страница 59: ...tact resistance must be reduced to Min 3 Short and open must be available between contact points Open and short correction can easily reduce the influence of distribution impedance of the test fixture on measurement For open correction the clearance between test terminals should be the same with that when they connects with DUT For short correction the short plate of low impedance should be connec...

Страница 60: ... high and low terminals Cd can be reduced to Min Meanwhile if the ground terminal is connected to the conductance plate the influence of Ch and Cl will be eliminated When the DUT is low impedance such as small inductance large capacitance a large current will flow through test leads Hc and Lc In this case electromagnetic coupling between test leads becomes the main source of test errors except the...

Страница 61: ...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 MEAS SETUP page j Move the cursor to...

Страница 62: ...pen short correction NOTE When the sweep open short correction is used the point frequency correction function should be set as OFF Refer to Correction operation in this chapter 5 5 Operation example of testing capacitance by multi frequency list sweep Test condition Function Cp D Level 1Vrms Other parameters Frequenc y Compare parameter Low limit High limit 1kHz Cp capacitance 325 0nF 333 0nF 10k...

Страница 63: ...his zone will displayed as 0 00000pF k Press 3 3 3 333 will be displayed in the prompt information zone and the following units will be displayed in the soft key zone p n μ m Press n this zone will be changed as 333 000n l Move the cursor to the FUN zone of sweep point 2 then the soft key zone will be displayed as OFF Ls Lp Cs Cp MORE m Press MORE then the soft key zone will display LESS Rs Rp R E...

Страница 64: ...orrection 6 Insert the tested capacitor to the test fixture 7 Execute test operations Press MEAS and then List Sweep to enter into the List Sweep page The instrument will test continuously and then display the test and the compare results on page If the compare result is HIGH higher than the high limit or LOW lower than the low limit there is a beep alarm The following figure shows the measurement...

Страница 65: ... cursor to FREQ zone the following soft keys will be displayed in the soft key zone ON OFF SPOT OPEN SPOT SHORT and MEAS LOAD l Press ON to turn on the point frequency correction function of FREQ m Press 1 0 0 100 will be displayed in the prompt information zone and the soft key zone will display the following available units Hz kHz and MHz Press kHz the FREQ zone will be changed as 100 000kHz the...

Страница 66: ...ance into the test fixture Please ensure that the pins of the standard capacitance have good connection with the reeds of the test fixture u Press the soft key MEAS LOAD to execute load correction 2 Note a Because of the different software editions the soft keys and status information may be different form this book but it may not affect users understanding b The load correction is only valid for ...

Страница 67: ...1 2 Test combination Parameters described above are combined in the following modes Primary parameter Z Y L C R G Secondary parameter deg phase rad radian D Q RS RP G X B There is no combination for DCR Turns Ratio Turns and Phase are only used in transformer measurement 6 1 3 Mathematical operation Operation between the measurement value and the programmable nominal value absolute deviation ABS a...

Страница 68: ...ls U2829 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 9 Test speed Frequency 10kHz Fast about 75 times s 13ms time Medium about 11 times s 90ms time Slow about 2 7 times s 370ms time The fast and middle speed will be slow down when frequency 10kHz 6 1 10 Average Be...

Страница 69: ...alue 2mV 6 preset value 2mV 100μV Current Normal constant current 5OμARMS 100mARMS 100μARMS 50mARMS 10 preset value 10μARMS 6 preset value 10μARMS 1μA When testing Turns Ratio Phase the voltage range is 5mVRMS 10VRMS 10 preset value 2mV with resolution of 1mV 6 2 4 Output impedance 10Ω 30Ω 50Ω and 100Ω are selectable 6 2 5 Monitor for test signal level Mode Range Accuracy Voltage 5mVRMS 2VRMS 0 01...

Страница 70: ...ror Check the accuracy of instrument should be under the following circumstances a warm up time 30 min b cable 0m 1m c correct open and short correction after warming up d DC bias is in the position of OFF e The range works in AUTO to select correct test range 6 3 1 Accuracies of Z Y L C R X G B The accuracy Ae of Z Y L C R X G and B are expressed as Ae A Ka Kb Kc 100 Kd Kf Ke A basic test accurac...

Страница 71: ...De should be multiplied by 1 Dx 6 3 3 Accuracy of Q The accuracy of Q is given by the formula below Qe e x e x D Q D Q 1 Where Qx is the value of the tested Q De is the accuracy of D Above formula should be used when Qx De 1 6 3 4 Accuracy of θ The accuracy of θ is given by the formula below θe 100 180 e A deg 6 3 5 Accuracy of G When Dx tested value of D 0 1 The accuracy of G is given by the form...

Страница 72: ...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 given by the formula below Rse Xx De Ω Xx 2πfLx x fC 2 1 Where Xx is the value of test X with the unit S Cx is the value of test C with the unit F Lx is the value of test L with the unit H De is the accura...

Страница 73: ... 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 0 2 When 0 4Vrms Vs 1 2Vrms the test speed is the value A When Vs 0 4Vrms or Vs 1 2Vrms the calculation method of value A is as the following steps 1 Obtain A according to the current measuremen...

Страница 74: ...V Z 70 1 10 1 9 s m V Z 100kHz f m 200kHz 200 2 10 1 3 s m V Z 70 1 10 3 9 s m V Z Fast fm 100Hz 100 1 400 1 10 5 2 3 m s m f V Z 100 1 100 1 10 2 9 m s m f V Z 100Hz fm 100kHz 400 1 10 5 2 3 s m V Z 100 1 10 2 9 s m V Z 100kHz f m 200kHz 400 2 10 5 2 3 s m V Z 100 1 10 6 9 s m V Z 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 v...

Страница 75: ... 1 50 fm 5 10 4 1 50 fm 1 5Vrms 0 2 5 10 3 1 16 fm 5 10 3 1 50 fm fm test frequency MHz 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 3 11 Accuracy o...

Страница 76: ... 1 5kV rated voltage for 1 minute and there is no breakdown and flashover 6 4 3 Leakage current The leakage current should not be larger than 3 5mA AC effective value 6 5 Electromagnetic compatibility Transient sensitivity based on the requirement of GB6833 4 Conductive sensibility based on the requirement of GB6833 6 Radiated interference based on the requirement of GB6833 10 6 6 Performance test...

Страница 77: ...500V 10 levels 8 Hipot Tester 0 25kW 0 500 V 6 6 3 Function check Ensure function keys displayer and terminal etc can work normally 6 6 4 Test signal level Adjust multimeter in AC voltage range where one test cable is connected to HCUR and the other is connected to ground terminal Change level as 10mV 20mV 100mV 200mV 1V 2V the reading should meet the demand of test signal level in this chapter 6 ...

Страница 78: ...itors 100pF 1000pF 10nF 0 1uF 1uF and change the frequency The error capacitance C between reading and nominal value should be in the range ruled in this chapter dissipation D should be in the range ruled in this chapter 6 6 8 Accuracy of L Test condition Function Ls Q Test frequency 100Hz 1kHz 10kHz 100kHz Test respectively Level 1V Range AUTO Bias 0V Speed Slow Open and short correction should b...

Страница 79: ...equency The error between reading and nominal value should be in the range ruled in this chapter 6 6 10 Accuracy of DCR Test 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 chapter ...

Страница 80: ... carriage key ASCII code 10 ˆEND EOI signal in IEEE 488 7 1 Subsystem commands for U2829 DISPlay ORESister TRIGger CORRection FREQuency BIAS INITiate COMParator VOLTage FUNCtion FETCh Mass MEMory CURRent LIST ABORT TRAN AMPLitude APERture STATus 7 1 1 DISPlay subsystem commands DISPlay subsystem commands are mainly used to set the display page for the instrument The DISPlay Query returns the curre...

Страница 81: ...t display LIST Set the 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 TTSet Set the display pa...

Страница 82: ...MEAS DISP The current page is the transformer measurement display page TRANS JUDGE DISP The current page is the transformer judge display page The LINE command is used to set the current measurement item which can be a substring with up to 16 characters The LINE query returns the current measurement item The character string of the measurement item can be used as the file name when saving a file C...

Страница 83: ...quency of U2829 is 200kHz For example WrtCmd FREQ 1KHZ Set the frequency as 1000Hz Query syntax FREQuency Return format NR3 NL END 7 1 3 VOLTage subsystem commands The VOLTage subsystem commands are mainly used to set the measurement voltage The VOLTage query returns the current measurement voltage Command syntax value VOLTage MIN MAX Where value NR1 NR2 or NR3 data format followed by V MIN Set th...

Страница 84: ... mainly used to set the auto level control ALC function as ON or OFF The AMPLiture query returns the current status of the ALC function Command systax ON AMPLitude ALX OFF 1 0 Where Character 1 49 is equal to ON Character 0 48 is equal to OFF For example WrtCmd AMPL ALC 0 Set the ALC function as OFF Query syntax AMPLitude ALC Return format NR1 NL END 7 1 6 Output RESister subsystem commands The Ou...

Страница 85: ...urce 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 NL END OPT means the 1A DC bias source is used o...

Страница 86: ... bias voltage and the bias status Command tree BIAS STATe ON 1 OFF 0 VOLTage value MIN MAX Only GPIB CURRent value MIN MAX The BIAS STATe command is used to set the bias status The STATe query returns the current bias status Command syntax ON BIAS STATe OFF 1 0 Where Character 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 s...

Страница 87: ...e external bias current The BIAS CURRent query returns the bias current The external bias current is controlled by serial interface so only GPIB interface supports this command Command syntax value BIAS CURRent MIN MAX Where value NR1 NR2 or NR3 data format MIN Set the bias current as 0A MAX Set the bias current as 10A For example WrtCmd BIAS CURR MIN Set the DC bias current as 0A Query syntax BIA...

Страница 88: ...MODE ABSolute 2 PERcent OFF REFerence value FILL 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...

Страница 89: ...ntax 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 automatic range ...

Страница 90: ...to ON Character 0 48 is equal to OFF For example WrtCmd FUNC SMON IAC ON Set the current monitor as ON Query syntax FUNCtion 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 v...

Страница 91: ...n REFerence FILL command is used to set the nominal value of the deviation This command directs the instrument to make a test and then copies the results of the primary and the secondary parameters as the nominal values of the deviation Command syntax FUNCtion DEV n RERerence FILL Where Character 1 49 or haracter 2 50 is equal to the nominal values of the primary and secondary parameters For examp...

Страница 92: ...Return format NR3 NR3 NL END The LIST VOLTage command is used to clear the original voltage of the each sweep point and reset the voltage The LIST VOLTage query returns the current voltage of each sweep point Command syntax LIST VOLTage 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 LIST VOLT 1 5 Set the frequency of the ...

Страница 93: ... NR1 NR2 or NR3 data format For example WrtCmd LIST BIAS VOLT 1 5V Set the DC bias voltage of sweep point 1 as 1 5V Query syntax LIST BIAS VOLTage Return format NR3 NR3 NL END The LIST BIAS CURRent command is used to clear the original DC bias current of each sweep point and reset them The LIST BIAS CURRent query returns the the DC bias current of each sweep point Command syntax LIST BIAS CURRent ...

Страница 94: ... NR1 format sweep points on the nth line parameter A Compare the primary parameter of the test results with the high and the low limits B Compare the secondary parameter of the test results with the high and the low limits OFF No comparison low limit n NR1 NR2 or NR3 data format low limit of the sweep point on the nth line high limit n NR1 NR2 or NR3 data format high limit of the sweep point on th...

Страница 95: ...commands are mainly used to set the instrument trigger source trigger delay and trigger measurement Command tree TRIGger IMMediate SOURce INTernal EXTernal BUS HOLD DELay value MIN MAX The TRIGger IMMediate command is used to trigger a test Command syntax TRIGger IMMediate For example WrtCmd TRIG The TRIGger SOURce command is used to set the trigger source mode The TRIGger SOURce query returns the...

Страница 96: ...ax value TRIGger DELay MIN MAX Where value In NR1 NR2 or NR3 data format from 0 to 60s with 1ms as the resolution MIN Set the delay time as 0s MAX Set the delay time as 60s For example WrtCmd TRIG DEL 5s Set the delay time as 5s Query syntax TRIGger DELay Return format NR3 NL END 7 1 13 FETCh subsystem commands The FETCh subsystem commands are mainly used to direct U2829 to input a measurement res...

Страница 97: ...scription 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 Constant voltage cannot be adjusted status format When above measurement data is used status data will display measurement status The output format of the Status display data uses 2 digits ASCII SN S N from 0 to 4 NOTE When status is 1 1 or 2 t...

Страница 98: ...Output format The data displays the compare result of the list sweep Data Result 1 0 1 low pass high When the compare function of the list sweep measurement is turned off the output result of Input Output is 0 Input Output data output format applies 2 digits ASCII format SN S _ N from 0 to 1 On transformer single machine measurement display page ASCII data output format is as below SN SN NNNNNESNN...

Страница 99: ... parameter is inductance Lx the secondary parameter of DATA B is the quality factor Q its description is the same as that of DATA A Meanwhile when the measurement serial number is equal to or larger than 5 that is to say testing leakage inductance LK and DC resistance DCR no secondary parameter will be displayed but directly display the status The status format is SN _ N is 0 1 Status Description ...

Страница 100: ... 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 The CORRection LENGth command is used to set the correction cable length The CORRection LENGth query returns the current set cable length Command syntax CORRection LENGth value Where value is 0 1 2 or 4 followed by M For example WrtCmd CORR LENG 1M ...

Страница 101: ...cute open correction for 43 preset test points U2829 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 STATe query returns the current open correction status Command syntax ON CORRction OPEN STATe OFF 1 0 Where 1 decimal 49 is equal to ON 0 decimal 48 is equal to O...

Страница 102: ...ntax CORRection 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...

Страница 103: ...e Return format NR1 NL END The CORRection SPOT n FREQuency command is used to set the frequencies of frequency spots1 2 and 3 The CORRection SPOT n query returns the current frequency of specific frequency spot Command syntax CORRection SPOT n FREQeuency 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 refe...

Страница 104: ...rence of specific frequency spots frequency spot 1 frequency spot2 and frequency spot 3 which are taking load correction The CORRection SPOT n LOAD STANdard query returns the current standard reference of specific frequency spot Command syntax CORRection SPOT n LOAD STANdard REF A REF B Where n 1 refers to frequency spot 1 2 refers to frequency spot 2 3 refers to frequency spot 3 REF A can be NR1 ...

Страница 105: ... open3 A open3 B short3 A short3 B load3 A load3 B Where open1 2 3 A is NR3 data format and the primary open correction data at frequency spot 1 2 3 open1 2 3 B is NR3 data format and the secondary open correction data at frequency spot 1 2 3 short 1 2 3 A is NR3 data format and the primary short correction data at frequency spot 1 2 3 short 1 2 3 B is NR3 data format and the secondary short corre...

Страница 106: ...1 OFF 0 BIN CLEar COUNt STATe DATA CLEar The COMParator STATe command is used to set the comparator function as ON or OFF The COMParator STATe 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 comman...

Страница 107: ...s of each bin this function is valid only when the limit mode 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...

Страница 108: ... high and the low limits of the secondary parameter Command syntax COMParator SLIMit low limit high limit Where 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 error information will be reported For example WrtCmd COMP SLIM 0 001 0 002 Query syntax COMParator SLIMit Retur...

Страница 109: ...For example WrtCmd COMP SWAP ON Query syntax COMParator SWAP Return format NR1 NL END The COMParator BIN CLEar command is used to clear all limits on limit table setup page Command syntax COMParator BIN CLEar For example WrtCmd COMP BIN CLE The COMParator BIN COUNt STATe command is used to set the bin count function as ON or OFF The COMParator BIN COUNt STATe query returns the current state of the...

Страница 110: ...ng The MMEMory LOAD STATe command is used to load the existed file Command syntax MMEMory LOAD STATe value Where value is the file number ranging from 0 to 39 NR1 For example WrtCmd MMEM LOAD STAT 1 The MMEMory STORe STATe command is used to storing the current setting to a file Command syntax MMEMory STOR STATe value string Where value is the file number ranging from 0 to 39 NR1 string can be ASC...

Страница 111: ...LEVel value LIMit value low limit high limit Zx STAT ON 1 OFF 0 FREQ value LEVel value LIMit value low limit high limit Cx STAT ON 1 OFF 0 FREQ value LEVel value LIMit value low limit high limit ACR STAT ON 1 OFF 0 FREQ value LEVel value LIMit value low limit high limit DCR STAT ON 1 OFF 0 LIMIt value low limit high limit MODE SEQ STEP The TRAN TURN STAT command is used to set the turn ration ON o...

Страница 112: ...NR3 NL END The TRAN TRUN LEVel command is used to set the test level of the turn ratio The TRAN TURN LEVel query returns the current test level of the turn ratio Command syntax TRAN TRUN LEVel value Where value can be NR1 NR2 or NR3 data format followed by mV or V NOTE value ranges from 5mV to 10V Beyond this range error information will be reported For example WrtCmd TRAN TURN LEVel 1V Query synt...

Страница 113: ...e secondary high limit in NR1 NR2 or NR3 data format NOTE The low limit should be smaller than the high limit or error information will be reported For example WrtCmd TRAN TURN NSLI 100 0 01 0 01 Query syntax TRAN TURN NSLI Return format NR3 NR3 NR3 NL END The TRAN Lk STAT command is used to set the leakage inductance test parameter ON or OFF The TRAN Lk STAT query returns the current leakage indu...

Страница 114: ...AN Lk LEVel Return format NR3 NL END The TRAN Lk LIMit command is used to set the Lk nominal value high and low limits The TRANS Lk LIMit query returns the current Lk nominal value high and low limits Command syntax TRAN Lk LIMit value low limit high limit Where value is the Lk nominal value in NR1 NR2 or NR3 data format followed by H low limit is the Lk low limit in NR1 NR2 or NR3 data format hig...

Страница 115: ...ntax TRAN Lx LEVel value Where value can be NR1 NR2 or NR3 data format followed by mV or V NOTE value ranges from 5mV to 2V Beyond this range error information will be reported For example WrtCmd TRAN Lx LEVel 1V Query syntax TRAN Lx LEVel Return format NR3 NL END The TRAN Lx LIMit command is used to set the Lx nominal value high and low limits The TRAN Lx LIMit query returns the current nominal v...

Страница 116: ...md TRAN Zx FREQ 1KHZ Set the Zx frequency as 1KHZ Query syntax TRAN Zx FREQ Return format NR3 NL END The TRAN Zx LIMit command is used to set the Zx nominal value high and low limits The TRAN Zx LIMit query returns the current Zx nominal value high and low limits Command syntax TRAN Zx LIMit value low limit high limit Where value is the Zx nominal value in NR1 NR2 or NR3 data format followed by H ...

Страница 117: ...mmand is used to set the ACR test level The TRAN ACR LEVel query returns the current ACR level Command syntax TRAN ACR LEVel value Query syntax TRAN ACR LEVel Return format NR3 NL END The TRAN ACR LIMit command is used to set the ACR nominal value high and low limits The TRAN ACR LIMit query returns the current ACR nominal value high and low limits Command syntax TRAN ACR LIMit value low limit hig...

Страница 118: ...re value is NR1 NR2 or NR3 data format followed by HZ KHZ and MHZ For example WrtCmd TRAN Cx FREQ 1KHZ Set the Cx test frequency as 1KHZ Query syntax TRAN Cx FREQ Return format NR3 NL END The TRAN Cx LEVel command is used to set the Cx test level The TRAN Cx LEVel query returns the current Cx text level Command syntax TRAN Cx LEVel value Where value is NR1 NR2 or NR3 data format followed by mV or ...

Страница 119: ...ecimal 48 is equal to OFF For example WrtCmd TRAN DCR STAT ON Query syntax TRAN DCR STAT Return format NR1 NL END The TRAN DCR LIMit command is used to set the DCR nominal value high and low limit The TRAN DCR LIMit query returns the current DCR nominal value high and low limits Command syntax TRAN DCR LIMit value low limit high limit Where value is the DCR nominal value in NR1 NR2 or NR3 data for...

Страница 120: ...d the service request status register Command syntax CLS For example WrtCmd CLS The IDN query returns U2829 ID Query syntax IDN Return format manufacturer model firmware NL END Where manufacturer Name of Manufacturer Eucol model Instrument Model U2829 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...

Страница 121: ...e register Descriptions for each byte of the status byte register are shown as follows 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 syntax ESR Return format value NL END Where value NR1 format decimal expression for contents of the standard event status register Descriptions for each bit of the sta...

Страница 122: ...measurements Ever since all pending operations have been completed this command will inform the instrument to add a ASCII number 1 decimal number 49 into the output buffer Command syntax OPC For example OUTPUT 717 OPC Set the OPC bit of the instrument when the last command is done Query syntax OPC Return format １ NL END Where 1 ASCII number 1 decimal number 49 For example WrtCmd OPC Bit number Des...

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