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KUST Elektronik LM1050 Operation Manual

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LM1050 Operating Manual
KUST Elektronik GmbH
LM1050
OPERATION MANUAL
KUST Elektronik GmbH
Am Weinberg 2
D-35619 Braunfels
Germany
E: info@kust-elektronik.com
P: +49 (0) 64414471223
1

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  • Page 1 LM1050 Operating Manual KUST Elektronik GmbH LM1050 OPERATION MANUAL KUST Elektronik GmbH Am Weinberg 2 D-35619 Braunfels Germany E: info@kust-elektronik.com P: +49 (0) 64414471223...
  • Page 2 LM1050 Operating Manual...

  • Page 3: Chapter 1 Out Of Box Audit

    LM1050 Operating Manual Announcement The description of the manual may not cover all contents of the instrument, and is subject to change and to improve the performance, function, inner structure, appearance, accessory and package of the instrument without notice. If there is a problem caused by inconsistency of manual and instrument, please contact our company.
  • Page 4 LM1050 Operating Manual ———————————————————————————————————————...
  • Page 5 LM1050 Operating Manual 1.4 1.4 Environment 1) Please do not operate the instrument in the place that is: dusty, under direct sunlight or where there is corrosive environment. 2) The normal working temperature is 0°～40°, relative humidity ≤75%, so the instrument should be used under above condition to guarantee the accuracy.

  • Page 6: Chapter 2 Introduction

    LM1050 Operating Manual 2 Chapter 2 Introduction In this chapter, the basic operation features of LM1050 series are described. Please read the content carefully before using LM1050 series instruments, thus you can learn the operation of LM1050. 2.1 2.1 Introduction to front panel Figure 2-1 shows the front panel LM1050.
  • Page 7 LM1050 Operating Manual 14) [ESC] ESCAPE key 15) [←] BACKSPACE key is used delete the last numeric of the input value. 16) [KEYLOCK] Press [KEYLOCK], it will be lighted, which means the function of current panel is locked. Press it again, it will be off, which means discharging the lock status. If the password function is ON, it means correct password is necessary when discharging the key-lock, or the key cannot be unlocked.
  • Page 8 LM1050 Operating Manual 2.2 2.2 Introduction to rear panel Figure 2-2 shows the rear panel of LM1050. Figure 2-2 Rear panel 1) PHONE interface 2) FOOT. C: Used to connect footswitch. 3) RS232 interface Series communication interface can realize the communication with PC.
  • Page 9 Press the power switch at the left corner on the front panel and then a boot screen will appear which displays our company logo, instrument model (LM1050), and the version number of the software (Ver1.0.X). If the password protection function is on, users are required to input the password and then press [ENTER] to enter into the page of main menu.

  • Page 10: Chapter 3 Introduction To [Disp]

    LM1050 Operating Manual Chapter 3 Introduction to [DISP] 3.1 3.1 <MEAS DISPLAY> When the LCR function is applied, press [DISP], the <MEAS DISPLAY> page 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...
  • Page 11 LM1050 Operating Manual Secondary Parameters D (Dissipation factor) ◼ Q (Quality factor) ◼ Rs (Equivalent Series Resistance ESR) ◼ Rp (Equivalent Parallel Resistance) ◼ 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.
  • Page 12 LM1050 Operating Manual 6) Press Z—…→, the following parameters will be shown for your choice. ◼ ◼ ← ◼ Press the soft key corresponding to your desired parameter. Then press ← to return to upper soft key menu. 7) Press ↓, another group of soft keys will be shown.
  • Page 13 LM1050 Operating Manual 3.1.2 3.1.2 Test range Measurement range should be selected in accordance with the impedance value of the tested LCR component. LM1050has 10 AC ranges：1Ω, 10Ω, 30Ω, 100Ω, 300Ω, 1kΩ, 3kΩ, 10kΩ、100kΩ and 1MΩ. LM1050has 10 DCR measurement ranges: 1Ω, 10Ω, 30Ω,100Ω, 300Ω, 1kΩ, 3kΩ, 10kΩ,100kΩ...
  • Page 14 The frequency of sine wave signal is the test frequency which is generated by inner oscillator. You can set measurement voltage or current. There are 4 kinds if signal source input impedance in LM1050.When the test function is DCR, the FREQ zone will display “---”.
  • Page 15 LM1050 Operating Manual 3.1.5 3.1.5 DC bias LM1050provides internal DC bias voltage of -5V～+5V. When the test function is selected as DCR, the bias zone will display “---”. Operation steps for setting DC bias: LM1050provides two methods to set the DC bias. The first one is to use soft keys, while the second one is to input data by numeric keys.
  • Page 16 3.1.7 3.1.7 Tools The test result of LM1050 is displayed as 6 floating-point digits. Decimal point lock function can make LM1050 output the test result in fixed way. Meanwhile this function can change the displayed count of test result. This displayed result can be selected to be shown in large character or small character.
  • Page 17 LM1050 Operating Manual The following control parameters can be set on <BIN NO. DISP>. Compare function ON/OFF (COMP) ◼ There are 2 zones: BIN NO. DISP, COMP. Their detailed information will be introduced as below. The following test conditions are displayed in the measurement result/condition zone.
  • Page 18 LM1050 Operating Manual 3.3 3.3 <BIN COUNT DISP> Press [DISP] and then select the soft key of BIN COUNT to enter into the <BIN COUT> page which shows the count of each bin. The following control parameters can be set on the <BIN COUNT> page.
  • Page 19 LM1050 Operating Manual 3.3.4 3.3.4 HIGH/LOW This zone shows the high and the low limits of the limit list. 3.3.5 3.3.5 COUNT This zone shows the count value of the current bin. 3.3.6 3.3.6 AUX This zone shows the count value of the auxiliary bin.
  • Page 20 3.4.1 3.4.1 Sweep mode The list sweep function of LM1050 can make automatic sweep test for up to 10 points’ test frequencies, test levels or DC bias. Two sweep modes are available on LM1050: SEQ and STEP. In SEQ mode, each press of [TRIGGER] will direct LM1050 to automatically test all list sweep test points.
  • Page 21 LM1050 Operating Manual 3.4.2 3.4.2 FREQ (Hz) This zone shows the currently swept parameter mode and its unit. What are right below this item are parameters of the sweep list. 3.4.3 3.4.3 Ls[H] Q[ ] This zone is the currently swept Function parameter and its unit. What are right below this item are the sweep results.
  • Page 22 LM1050 will execute one measurement. When the trigger mode is set as BUS, once the IEEE 488 interface receives a TRIGGER command, LM1050 will execute a test. The BUS mode cannot be set on the front panel. ———————————————————————————————————————...
  • Page 23 LM1050 Operating Manual 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 TRIGger:SOURce BUS command. 1) Move the cursor to the TRIGGER zone, the following soft keys will be displayed: ◼...
  • Page 24 LM1050 Operating Manual 3.5.5 3.5.5 Level monitor function The level monitor function can monitor the real voltage across DUT or real current through DUT. The monitored voltage value is displayed in Vm zone on <MEASURE DISP> page while the monitored current value is in Im zone.
  • Page 25 LM1050 Operating Manual 3.5.7 3.5.7 Output impedance LM1050provides four output impedances for your choice: 100 Ω, 50 Ω, 30 Ω and 10Ω. When testing inductance, it is necessary to input the same output impedance so as to make data comparison with other instruments.
  • Page 26 LM1050 Operating Manual 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 reference component is connected with the test terminal, you should press MEAS.
  • Page 27 Channels of the current multiple correction mode can be set through the multiple- channel sweep interface or IEEE 488 interface. 3.6.1 3.6.1 OPEN The open correction function of LM1050 can eliminate the error caused by the stray admittance (G, B) parallel-connected with DUT, shown as figure 3-1. Figure 1 Stray Admittance...
  • Page 28 4) Press DCR, LM1050 will test the open-circuit resistance under the DC resistance function. 5) Press ON to turn on the function of open-circuit correction, then LM1050 will perform open-circuit correction calculation in the later testing process. IF FREQ 1, FREQ 2 and FREQ 3 are set as OFF, the open-circuit correction data of the current frequency will be calculated by imbedding algorithm.
  • Page 29 2) Connect the test fixture to the test ports. Short the test fixture by using short plate. 3) Press the ALL soft key, LM1050 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.
  • Page 30 (FREQ 1, FREQ 2 or FREQ 3), the load correction of LM1050 can eliminate the test error. It is obvious that open, short, and load correction can be performed at preset frequencies. The 3 preset frequencies can be set in the setup zones of FREQ 1, FREQ 2 and FREQ 3.
  • Page 31 LM1050 Operating Manual 20) Use numeric keys and unit keys to input the secondary reference value of the standard component. 21) Move the cursor to the corresponding FREQ 1, FREQ 2 or FREQ 3. 22) Connect the standard component to the test fixture.
  • Page 32 Press [SETUP] and then LIMIT TABLE to enter into the <LIMIT TABLE SETUP> page as the following figure shown. Compare function can be set on this page. LM1050 can set 9 bin limits of primary 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).
  • Page 33 LM1050 Operating Manual 3.7.2 3.7.2 Limit modes of compare function Compare functions has two limit setup modes for primary parameters as shown in figure 3-3. ◼ Tolerance mode Under tolerance mode, set the deviation value of the nominal one (be set in the NOM zone) as the compare limit value.
  • Page 34 DUT will be sorted into aux bin. When LM1050 installs the HANDLER interface and it is used in the automatic sorting system, the compare function will be especially useful.
  • Page 35 LM1050 Operating Manual Note: When the secondary parameter only has low limit and the auxiliary bin is set as ON, if the primary parameter of DUT is within the limit range and the secondary parameter is smaller than or equal to its low limit, the DUT will be sorted into the auxiliary bin.
  • Page 36 Press [SETUP] and then LIST SWEEP to enter into the <LIST SWEEP SETUP> page as shown below. The list sweep function of LM1050 can perform auto sweep test for the test frequency, test level or bias voltage of 10 points. On <LIST SWEEP SETUP> page, the following list sweep parameters can be set.
  • Page 37 LM1050 Operating Manual 3.8.3 3.8.3 Sweep parameter setup Move the cursor to the table to perform the setup of each sweep parameter: FREQ (HZ), LMT, HIGH and LOW. Use numeric keys on the front panel 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.

  • Page 38: Chapter 4 [System]

    LM1050 Operating Manual 4 Chapter 4 [SYSTEM] 4.1 4.1 <SYSTEM SETUP> Press [System] to enter into the <SYSTEM SETUP> page, shown as below. On this page, Basic system setup items are displayed, such as brightness, theme,key sound, language, PASS word, file format, date, time.
  • Page 39 LM1050 Operating Manual 4.1.3 4.1.3 KEY SOUND This zone is used to turn on/off the key sound. Operation steps for key sound 2) Move the cursor to key sound, the following soft keys will be displayed. ◼ ON This soft key is used to turn on the key sound.
  • Page 40 ◼ SCANNER This soft key is used to select the scanner as the beeper source (available only when LM1050 connects a transformer scanning box). ◼ ALL This soft key is used to select both the instrument and the scanning box as the...
  • Page 41 LM1050 Operating Manual 4.2.3 4.2.3 PASS BEEP This zone is used to control the beep mode when the test result is qualified. Operation steps for setting PASS BEEP 1) Move the cursor to , the following soft keys will be displayed.
  • Page 42 LM1050 Operating Manual 4.2.5 4.2.5 BiasSource Bias source is used to select the DC bias power. The instrument provides 3 kinds of bias source as following： INT mode: ◼ The standard DC bias source ：0V、1.5V、2V. OPT mode： ◼ The optional DC bias source can provide inner DC bias source（0～100mA and inner DC bias voltage source (-10V～+10V).
  • Page 43 LM1050 Operating Manual 4.2.8 4.2.8 FILE INFO This zone is used to control the file information when saving the measuring data. Operation steps for FILE INFO: 1) Move the cursor to FILE INFO, the following soft keys will be displayed.
  • Page 44 LM1050 Operating Manual 4.3.3 4.3.3 GPIB ADDR (Reserved function) This zone is used to control and display the current GPIB address. Operation steps for setting GPIB address: Move the cursor to GPIB ADDR, the following soft keys will be displayed.

  • Page 45: Chapter 5 File Manage

    5.1.2 5.1.2 U-disk manage performance As described above, LM1050 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 100 groups of *.LCR files. Meanwhile those files can be copied to PC or compatible desk-top computer, laptop with USB interface to reach the infinite extension.
  • Page 46 7) Use numeric keys to input the current file name and press [ENTER] to confirm. Then LM1050 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], the file list and the following soft keys will be displayed.
  • Page 47 LM1050 Operating Manual ———————————————————————————————————————————— NOTE: Please make sure that your U-disk meets the standard that described in this chapter and no write-read protection. ————————————————————————————————————————————...

  • Page 48: Chapter 6 Performance And Test

    6.1.5 Delay time Delay time: time from trigger to start. 0 to 60s are programmable with a resolution of 1ms. 6.1.6 6.1.6 Connection modes of test terminals LM1050 adopts 4-terminal test method. HD(Hcur): Current sample high terminal LD(Lcur): Current sample low terminal...

  • Page 49: Test Signal

    LM1050 Operating Manual 6.1.7 6.1.7 Test speed (Frequency>=10kHz) Fast: about 200 times Medium: about 25 times Slow: about 5 times The fast and middle speed will be slow down when frequency <1kHz. 6.1.8 6.1.8 Display digit 6 digits, max. displayed digit: 999999 6.2 6.2 Test signal...
  • Page 50 LM1050 Operating Manual 6.2.4 6.2.4 Output impedance 10Ω/CC, 30Ω, 50Ω and 100Ω are selectable. 6.2.5 6.2.5 Monitor for test signal level Mode Range Accuracy Voltage —5V ±（10%×reading+10mV） Current —100mA ±（10%×reading +10μA） 6.2.6 6.2.6 Maximum measurement display range Parameter Measurement display range L、Lk...
  • Page 51 LM1050 Operating Manual 6.3.1 6.3.1 Basic accuracy Basic accuracy is calculated by A, B in basic accuracy factor table Note ： (1) when frequency is larger than 1.001MHz，basic accuracy must multiply (f(MHz)+3)/4； (2) In the mode of constant voltage or current When range>=100...
  • Page 52 LM1050 Operating Manual 6.3.4 6.3.4 Temperature factor Temperature Operation temperature=T° 0.1*basic accuracy*(T-20) Basic accuracy table 1(0.010V to 0.049V) When range>=100 Ω B∗│Zx [ Ω ] −Range [ Ω ] │ Basic accuracy =±(A + Range [ Ω ] When range <100 Ω...
  • Page 53 LM1050 Operating Manual 1.001kHz- 10.01kHz- 100.1kHz- 1.001MHz- Range 20Hz-99.9Hz 100Hz-1kHz 10kHz 100kHz 1MHz 5MHz 1MΩ A=2.25 A=1.5 B=0.75 A=1.5 B=0.75 B=1.5 100kΩ A=0.75 A=3 B=0.45 A=0.75 B=0.15 B=0.15 A=1.2 B=0.75 A=0.75 B=0.3 A=0.75 B=0.3 A=2.25 B=0.75 10kΩ A=0.75 A=0.3 B=0.03 A=0.3...
  • Page 54 LM1050 Operating Manual Table 6-2 Basic accuracy 2(0.050V to 0.100V) 1.001kHz- 10.01kHz- 100.1kHz- 1.001MHz- Range 20Hz-99.9Hz 100Hz-1kHz 10kHz 100kHz 1MHz 5MHz 1MΩ A=0.5 A=1 B=0.2 A=0.5 B=0.05 A=1 B=0.2 B=0.05 100kΩ A=0.25 A=0.25 A=1.5 B=0.2 A=1 B=0.1 B=0.05 B=0.05 A=0.5 A=0.2...
  • Page 55 LM1050 Operating Manual When range >=100Ω ��∗│���� [ Ω ] −���������� [ Ω ] │ Basic accuracy = ±(�� + ���������� [ Ω ] When range <100Ω ��∗│���������� [ Ω ] ∗10−����[Ω]│ Basic accuracy = ±(�� + ����������[Ω] sample value of impedance Z...
  • Page 56 LM1050 Operating Manual 1.001kHz- 10.01kHz- 100.1kHz- 1.001MHz- Range 20Hz-99.9Hz 100Hz-1kHz 10kHz 100kHz 1MHz 5MHz A=1.05 A=1.05 A=1.5 B=1.5 A=1.8 B=1.5 B=0.75 B=0.75 1MΩ A=3 B=0.3 A=0.45 B=0.3 A=0.45 B=0.3 A=1.8 B=0.75 A=0.675 A=0.45 A=0.45 A=0.75 B=0.12 B=0.075 B=0.075 B=0.075 100kΩ...
  • Page 57 LM1050 Operating Manual 4(0.501V to 1.000V) Table 6-10Basic accuracy 1.001kHz- 10.01kHz- 100.1kHz- 1.001MHz- Range 20Hz-99.9Hz 100Hz-1kHz 10kHz 100kHz 1MHz 5MHz A=0.8 B=0.4 A=0.4 B=0.2 A=0.4 B=0.2 A=1 B=0.5 1MΩ A=1 B=0.2 A=0.25 B=0.1 A=0.25 B=0.1 A=1 B=0.5 A=0.15 A=0.15 A=0.4 B=0.05...
  • Page 58 LM1050 Operating Manual 5(1.001V to 5.000V) Basic accuracy When range>=100 Ω ��∗│���� [ Ω ] −���������� [ Ω ] │ Basic accuracy = ±(�� + ���������� [ Ω ] When range<100 Ω ��∗│���������� [ Ω ] ∗10−����[Ω]│ Basic accuracy = ±(�� + ����������[Ω]...
  • Page 59 LM1050 Operating Manual 1.001kHz- 10.01kHz- 100.1kHz- 1.001MHz- Range 20Hz-99.9Hz 100Hz-1kHz 10kHz 100kHz 1MHz 5MHz A=1.5 B=0.6 A=0.75 B=0.3 A=0.75 B=0.3 A=1.8 B=0.75 1MΩ A=0.45 A=0.45 A=3 B=0.45 A=1.8 B=0.75 B=0.15 B=0.15 A=0.75 A=0.3 A=0.3 B=0.075 A=075 B=0.12 A=4.8 B=1.5 B=0.15 B=0.075...

  • Page 60: Safety Requirement

    LM1050 Operating Manual 6.4 6.4 Safety requirement 6.4.1 6.4.1 insulation resistance Referring to the working condition, the insulation resistance of the power terminal and the case should not be less than 50MΩ. Under the damp and heat condition, the insulation resistance should not be less than 2 MΩ.
  • Page 61 LM1050 Operating Manual 6.6.2 6.6.2The experiment instruments The experiment instruments are shown in table 6-10 The instrument name requirement 100pF 1000pF 0.02％ 10000pF Standard (the loss D has capacitance 10nF been known) 0.1uF 10Ω 100Ω 1kΩ 0.02％ standard resistor 10kΩ...
  • Page 62 LM1050 Operating Manual 6.6.6 6.6.6 The test accuracy The main test parameters: R, L, C, D. the other parameters can be acquired from the parameters above. 6.6.7 6.6.7 The capacitance C and the loss D accuracy function: Cp-D the test frequency...
  • Page 63 LM1050 Operating Manual 6.6.10 6.6.10The DCR accuracy Test condition： Function: Test frequency: ----- Level: ----- Range: AUTO Bias: ----- Speed: slow Short correction and open correction should be done before the test. Connect the standard resistor (0.1 Ω , 1Ω, 10Ω, 100Ω, 1kΩ, 10kΩ, and 100kΩ) to the test fixture.

  • Page 64: Chapter 7 The Description For Handler

    7 Chapter 7 The description for Handler This chapter will show you the Handler interface On LM1050. The LM1050 provides the Handler interface for you. The interface is mainly used for the output of the sorted result. The interface offers the communication signal and the signal for the output of the sorted result.
  • Page 65 /OUT /AUX External trigger: when trigger mode /EXT.TRIG EXT.TRIG, LM1050 will be triggered by the positive- edge in this pin. External DC voltage 2: The DC provider pin for the optoelectronic coupling EXT.DCV2 signal(/EXT_TRIG, /KeyLock, /ALARM，/INDEX，/EOM) The internal power +5V: to use the internal power is not recommended.
  • Page 66 LM1050 Operating Manual PHI（OUT） The main BIN 1 parameter BIN 2 BIN 3 BIN 4 SREJ（AUX） SREJ（AUX） BIN 5 BIN 6 BIN 7 BIN 8 BIN 9 PLO（OUT） The secondary parameter Figure 7-1 the /PHI，/PLO，/SREJ signal distribution for BIN comparison Note: the signal to /BIN1 - /BIN9, /OUT, /AUX, /PHI, /PLO and /SREJ in the list sweep comparison is different from that in the BIN comparison.
  • Page 67 LM1050 Operating Manual time the maximum minimum T1: trigger pulse-width T2: delay time 200us Display time T3: the trigger waiting time 200us after /EOM output 1. for the measurement time, please refer to the operation manual; 2. the typical comparison time is approximately 1ms；...
  • Page 68 LM1050 Operating Manual SEQ sweep mode： /INDEX is defined as the effective signal when the last sweep point of the analog test is finished. /EOM is defined as the effective signal when all the test results are effective after every list sweep task is finished.
  • Page 69 LM1050 Operating Manual Figure 7-4 the signal area of the list sweep comparison...
  • Page 70 LM1050 Operating Manual Figure 7-5 the time counting 7.2.2 7.2.2 Electrical feature As it is shown above, the signal definition for the comparison and the list sweep comparison are different. But the electrical feature is same. So the description can be applied to BIN comparison and list sweep comparison.
  • Page 71 LM1050 Operating Manual The electrical feature of the DC isolation output can be divided into 2 types shown in Table 7-4. Table 7-4 the electrical feature of the DC isolation output the output the output rated voltage the maximum the reference ground...
  • Page 72 LM1050 Operating Manual Figure 7-6 the output circuit for the comparison result The output circuit for control signal is shown in the figure 7-7 below. Figure 7-7 the output circuit for control signal The input circuit for control signal is shown in the figure 7-8 below...
  • Page 73 LM1050 Operating Manual 7.2.4 7.2.4 Operation Before you use the HANDLER function, you should ensure that your instrument has install the HANDLER interface board.The following procedure will show you how to use the interface comparison and the list sweep comparison. The procedure for comparison setting : (1) Press the softkey [LIMIT TABLE].

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