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TX7410 Operation Manual

21

open correction for all frequency points.



Note

：

Press

【

▲

】

【

▼

】

to enter short correction menu.

4. Press ESC key to cancel correction and exit to test status.
5. Press ENTER key to start correction.

4.2.9 Short correction

Press SHIFT + SHORT to enter short correction menu.

TX7410’s open correction can eliminate the effect of test cable, test fixture and stray
impedance in series with the device under test, such as lead resistance or lead inductance.

Perform the following steps to perform short correction:
1. Press SHIFT key at test status, and “SHIFT” at left corner is on.
2. Press SHORT key to select correction function, as Figure 4-4 shows on LCD.

Figure 4-4 Short spot correction

3. Select to perform spot, sweep or DCR correction through

【

▲

】

or

【

▼

】

key, as shown

in “SPOT” means only short correction for the current frequency point; while“SWEEP”
means short correction for all frequency points.



Note

：

Press

【

▲

】

【

▼

】

to enter open correction menu.

4. Press ESC key to cancel correction and exit to test status.
5. Press ENTER key to start correction.

4.2.10 Display mode

Press SHIFT + DISP to change display mode.

The instrument has three display modes:

Direct display (DIR)

--- Actual measured value is displayed;

Absolute deviation display (⊿)

– Absolute deviation between measured value and

nominal value is displayed;

Percentage deviation display (% )

– Percentage deviation between measured value

and nominal value is displayed.

Display mode only works for primary parameter, not secondary parameter.
Shift of display mode is related to tolerance mode of primary parameters:
When tolerance mode is absolute value (ABS)

→

Display mode shifts between DIR and

⊿

When tolerance mode is percentage (PER)

→

Display mode shifts between DIR and %.

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Содержание TX7410

Страница 1: ...I Operation Manual LCR Meter TX7410 DAE KWANG T M CO LTD http www kdk co kr TEL 02 2617 0787...

Страница 2: ...ent parameters 7 2 1 3 Equivalent mode 7 2 1 4 Range 8 2 1 5 Trigger mode 8 2 1 6 Measuremetn delay 8 2 1 7 Measurement terminal mode 9 2 1 8 Measurement speed 9 2 1 9 Filtering depth 9 2 1 10 Basic a...

Страница 3: ...t list setup 26 4 2 15 File operation function 30 4 2 16 System function setup 31 CHAPTER 5 REMOTE CONTROL 37 5 1 RS232C INTERFACE INTRODUCTION 37 5 1 1 RS232C connection 37 5 1 2 Communication with a...

Страница 4: ...interface IEEE488 interface optional and RS232C interface TX7410 can easily be used for automatic test system and computer remote control The instrument provides variable test conditions typical condi...

Страница 5: ...th other quipments You can set the measurement functions and input the parameters through RS232C interface instead of keyboard on front panel IEEE488 interface optional IEEE488 interface helps instrum...

Страница 6: ...y users 1 3 Dimensions Weight Dimensions 270 120 380 mm3 Weight approx 3kg 1 4 Safety Summary The following general safety precautions must be observed during all phases of operation service and repai...

Страница 7: ...as been designed and tested to the requirements of the Electromagnetic Compatibility EMC Directive To use a properly shielded cable or shielded coaxial cable to connect each of the ports to their resp...

Страница 8: ...apacitance impedance Lk leakage inductance Lp equivalent parallel inductance Ls equivalent serial inductance M mutual inductance MAN manual N turns ratio NOM nominal value PARA A parameter A PARA B pa...

Страница 9: ...TX7410 Operation Manual 6 SREJ secondary reject SRES source resistor TRGEG trigger edge TRIG trigger X reactance imaginary part of impedance Z impedance phase angle 4TP 4 terminal pair...

Страница 10: ...ary parameters L angle r radian R X Q D C angle r radian R X Q D R angle r radian R X Q D Z angle r radian R X Q D Note Suffix s means series suffix p means parallel 2 1 3 Equivalent mode Series and p...

Страница 11: ...used for LC oscillat circuit parallel mode should be selected 2 1 4 Range Auto Manual 9 ranges for LCR measurement 2 1 5 Trigger mode Internal External Manual Bus Internal When the trigger mode is se...

Страница 12: ...est frequency integral time value of component display mode range mode average times and comparator And the following parameters are evaluated at the status of frequency of 10kHz range hold comparator...

Страница 13: ...C G of the test fixture Short correction to eliminate measurement errors due to parasitic residual impedances L R of the test fixture Cable length calibration 0m to measure with terminal fixture 1m t...

Страница 14: ...impedance characteristics of the device under test to automatically recogonize unkown and mixing components At AUTO mode primary and secondary parameters are selected according to impedance angle Impe...

Страница 15: ...T1 C0 and E1 It has the compatibility of IEEE488 1 and IEEE488 2 RS232C interface It uses standard minimum subclass of RS232C and doesn t support hardware connection The interface has transfer baud ra...

Страница 16: ...2 Softkeys 1 Brand and Model The registered brand of our company and model of the instrument are printed 2 LCD 240 64 dot matrix Liquid Crystal Display LCD displays measurement results test condition...

Страница 17: ...ly then corresponds with parameter selection pressFREQ key then corresponds with frequency selection LOCAL to enter local operation at remote control mode RMT status b Functions by pressing SHIFT soft...

Страница 18: ...B RS 232C HANDLER W ARNING NO USER SERVICEABLE PARTS CONTAINED DO NOT REM OVE COVERS HAZARDOUS VOLTAGES PRESENT REFER SERVICE TO QUALIFIED PERSONNEL DO NOT CONNECT ANY DC AC CURRENT VOLTAGE SOURCE TO...

Страница 19: ...n to turn on alarm off to turn off alarm 2 Primary parameter indicator It indicates primary parameters of the currently measured component TX7410 has the following primary parameters LS LP CS CP RS RP...

Страница 20: ...icator It indicates secondary parameters of the currently measured component TX7410 has the following secondary parameters angle r radian R X Q D 10 Comparator indicator COMP on Comparator function is...

Страница 21: ...hanges Or pressPARA A then to switch parameter If the primary parameter changes secondary parameter also changes Ls Lp Q Cs Cp D Rs Rp X Z r radian 4 2 2 Secondary parameter setup TX7410 has the follo...

Страница 22: ...speed And the current measurement speed is displayed in speeda area on LCD in the form of F M or S 4 2 6 Trigger When the trigger mode is set manual the instrument performs one measurement by pressin...

Страница 23: ...a on LCD 4 2 8 Open correction Press SHIFT OPEN to enter open correction menu TX7410 s open correction function can eliminate the effect of test cable test fixture and stray admittance in parallel wit...

Страница 24: ...ugh or key as shown in SPOT means only short correction for the current frequency point while SWEEP means short correction for all frequency points Note Press to enter open correction menu 4 Press ESC...

Страница 25: ...omparison result doesn t output through HANDLER interface EOM of measurement s ending signal doesn t output but AD shift signal IDX and trigger input TRIG are still valid After comparator is turned on...

Страница 26: ...receives trigger signal at current trigger mode Internal When the trigger mode is set to INTernal trigger mode the instrument continuously repeats measurements External When the trigger mode is set to...

Страница 27: ...nsure data input and ESC key to cancel c Press ESC key to exit Figure 4 9 Delay setup 3 FILT Perform the following steps to set filtering depth a Select FILT through or key as shown in Figure4 10 b Pr...

Страница 28: ...through or key as shown in Figure4 13 b Press or key to select ON or OFF c Press ENTER key or ESC key to exit Figure 4 13 Automatic LCR switch 10 CABLE Perform the following steps to set cable length...

Страница 29: ...be indicated through sorting indicators OUT fail P1 pass bin 1 P2 pass bin 2 P3 pass bin 3 AUX auxiliary bin The result can be output from HANDLER interface BIN1 BIN2 BIN3 pass bins AUX auxiliary bin...

Страница 30: ...bin on off MODE tolerance mode of primary parameter NOM nominal value of primary parameter BIN1L low limit of primary parameter 1 BIN1H high limit of primary parameter 1 BIN2L low limit of primary par...

Страница 31: ...nce and percentage tolerance Figure 4 18 Primary parameter s tolerance mode Perform the following steps to modify primary parameter s tolerance mode a Select MODE item through or key at limit setup pa...

Страница 32: ...to set limits of bins At absolute tolerance mode high and low limits of primary parameters are displayed in the similar way of nominal value with unit and multiple at percentage tolerance mode corresp...

Страница 33: ...Select SAVE at file operation page through or key as shown in Figure4 25 b Press or key to select appointed file No from 0 9 Displayed Y means the file has existed and it will be covered at the time...

Страница 34: ...press ERC key to give up the operation d Press ESC to exit Figure 4 25 Erasing file 4 2 16 System function setup System setup includes the following items BUS BUS mode ADDR GPIB address BAUD RS232C co...

Страница 35: ...llowing steps to select a At system setup page select ADDR through or key as shown in Figure 4 17 b Press or key to add or minus address c Press ENTER key to enter data modification status and modifyi...

Страница 36: ...tting c Press ENTER key or ESC key to exit Figure 4 29 Ending symbol selection 5 FETCH The measurement result can be automatically sent or queried when the instrument communicates with PC through RS23...

Страница 37: ...rough or key as shown in Figure 4 32 b Press or key to select HOLD or CLEAR c Press ENTER key or ESC key to exit Figure 4 32 HANDLER interface s signal hold 8 ALARM TX7410 provides alarm function for...

Страница 38: ...ect sound c Press ENTER key or ESC key to exit Figure 4 34 Comparator s alarm sound 10 KBEEP Perform the following steps to set key beep a At system setup page select KBEEP through or key as shown in...

Страница 39: ...et function keys on panel can t be available Press SHIFT then SYSTEM to enter KLOCK operation press or to unlock 12 SAVE Perform the following steps to save setups a Select SAVE through or key as show...

Страница 40: ...tions from the front panel can be performed by a computer via the serial interface 5 1 1 RS232C connection RS232C Standard now is widely used as the serial communication standard RS232 stands for Reco...

Страница 41: ...ween TX7410 s RS232 interface and a standard RS232C interface You can make the connection cable by yourself according the diagram or order one from our company Note Pin 4 and 6 pin 7 and 8 are shorted...

Страница 42: ...ly the character without a return character should be sent again by the controller 3 TX7410 sends information under following two conditions The first is when a character is received normally TX7410 w...

Страница 43: ...ort_init int port unsigned char code int check_stat int port read serial port state 16bit void send_port int port char c send a character to serial port char read_port int port recive a character form...

Страница 44: ...ck receive printf nE10 Serial Port HandShake Failure exit 1 handshake success begin send string for ps send_port PORT ps delay 2 send_port PORT n delay 2 read string from serial port void string_rd ch...

Страница 45: ...it 1 read a character from serial port char read_port int port union REGS r r x dx port serial port r h ah 2 int14 function2 read character int86 0x14 r r if r h ah 128 if ah 7 be set mean trans error...

Страница 46: ...st be less than or equal to two meters times the number of devices connected on the bus the GPIB controller counts as one device and the total length of cable must not exceed 20 meters A maximum of 15...

Страница 47: ...TX7410 Operation Manual 44 Typical GPIB System Interconnection 1 Figure 5 2 Typical GPIB System Interconnection 1 Typical GPIB System Interconnection 2 Figure 5 3 Typical GPIB System Interconnection 2...

Страница 48: ...ollowing bus commands ABORT I O IFC ABORT I O IFC control line TRUE halts all bus activity and deselects TX7410 DEVICE CLEAR SDC or DCL This command can be used with an address to clear a particular d...

Страница 49: ...A DATA B and BIN formats are as follows DATA A and DATA B format The data output formats for DATA A primary parameter s measurement data and DATA B secondary parameter s measurement data uses the 12...

Страница 50: ...pecifications Output signal Negative true open collector opto isolated Decision output for comparator function Bin number out of bins and rejection status Decision output for list sweep comparator fun...

Страница 51: ...alue of BIN1 BIN3 20 PLO Primary Parameter Low Reject The measurement value is less than the low limit value of BIN1 BIN3 21 SREJ Secondary Parameter Reject The measurement value is not within the ran...

Страница 52: ...SREJ signal s area example 35 34 33 32 31 30 29 28 27 36 26 25 24 23 22 21 20 19 17 16 15 14 13 12 11 10 9 18 8 7 6 5 4 3 2 1 BIN1 BIN2 BIN3 NC NC NC NC NC NC OUT AUX TRIG TRIG EXV2 VCC VCC VCC PHI PL...

Страница 53: ...320ms 9T at f 1kHz 60s Figure 6 3 Time diagram 6 3 Electrical Characteristics 6 3 1 DC Isolated Outputs Each DC output pins 1 through 11 pins 19 through 21 pins 30 through 31 is isolated using an open...

Страница 54: ...different two circuit commons COM1 COM2 are made available Figure 6 4 DC Isolated output electrical characteristics Figure 6 5 Position and setup of HANDLER interface s jumpers Output Signals Voltage...

Страница 55: ...he sorting output signals VCC J202 J201 HANDLER interface board EXV1 BIN1 BIN2 BIN9 OUT AUX PHI PLO SREJ COM1 HANDLER interface connector 27 28 1 2 9 10 11 19 20 21 34 35 36 pull up resistance 4 7k in...

Страница 56: ...680 1 2k VCC J205 J203 EXV2 TRIG 14 15 12 13 trigger resistance with limit current internal 5V power 2 2k EXV EXV COM trigger edge 680 1 2k VCC J205 J203 EXV2 TRIG 14 15 12 13 trigger resistance with...

Страница 57: ...interface is optional 7 2 Warranty This DAE KWANG instrument product is warranted against defects in material and workmanship for a period of two years from the date of shipment or purchase During the...

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