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Microtest 8751, Руководство пользователя

Пользовательский мануал для Microtest 8751 доступен для бесплатного скачивания с {веб-сайт}. В этом мануале вы найдете всю необходимую информацию о продукте, чтобы использовать его на полную мощность. Не упустите возможность узнать больше о функционале и технических характеристиках Microtest 8751.

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59 

 

 

(4)

 

Test Specification 

Sets the test specification of the DC insulation and AC tolerance test; the DC insulation specification can 

be set between 0.1MΩ~1000MΩ, 0.1uA~1000uA.

 

※

When the setting is set as 5MΩ or below 5uA, the maximum test voltage is 650V and the AC tolerance 

specification can be set between 0.01mA~5mA. 

 

(5)

 

Offset Value   

AC tolerance test offset. 

 

(6)

 

All-Ground

 

Ground pin must be set for this mode to perform insulation test for non-grounded cable to specified 
grounded cable; its advantage is that the test speed is fast, but its disadvantage is that insulation test is not 
performed between non-grounded cables. 

 

 

 

All ground test method 

(7)

 

Binary 

This mode is similar to quick categorization; if there are 8 test pins test DUT A B C D E F G H, when test 
is performed for each cable or pin, it has to be tested 7 times sequentially in order to determine whether 
the test DUT passed. But if the quick test method is used, the first time A B C D and E F G H are divided 
into two groups for testing, and the second time A B E F and C D G H are divided into two groups for 
testing, and the third time A C E G and B D F H are divided into two groups for testing, then the test only 
needs to be performed three times to confirm whether the test DUT passed. Therefore, if the test DUT has 
128 pins, and if test is performed for every cable or pin, the test has to be performed 127 times; with the 
quick test method, the test only has to run 8 times. However, the disadvantage is that it cannot find out 
which are the error pins and the cable segment resistance will be slightly lower than the actual value 
because of the cable segments were tested in parallel. 

 

(7-1)

 

Binary Range (Open 1) 

This mode is similar to the quick binary categorization method; it allows setting of the test DUT quantity 

and range (same as multiple DUT simultaneous test setting).   

 

Quick binary test method 

 

(8)

 

All Nets 

This is the most fundamental test method for high voltage insulation test. High voltage is connected to 

the test pin A and the other pins are grounded to observe its current leakage or insulation value, and 

then high voltage is connected to test pin B and the other pins are grounded to observe its current 

Содержание 8751

Страница 1: ...8751 8761 4 Wire Universal Cable Harness Tester User Manual Version 1 00 Issued Date May 2017...

Страница 2: ...s Used in this Manual 5 2 3 Operating Basics 6 2 4 Front and Rear Panel Displays 7 2 4 1 Front Panel 7 2 4 2 Rear Panel 9 2 5 Block Diagram of Tester Functions 11 2 6 Installation 12 2 7 Button Usage...

Страница 3: ...Resistance 54 4 1 4 High Voltage Setting Edit HV 58 4 2 Comprehensive Test Implementation 62 4 2 1 Real Time Test 62 4 2 2 Existed Test 62 4 3 File Management 63 4 3 1 Select File 63 4 3 2 Step Settin...

Страница 4: ...njury or death 1 2 Avoid Self Modification or Calibration Never install surrogate parts onto the machine or undertake any device modifications and internal calibrations yourself without the express pe...

Страница 5: ...during Test Process Please turn the device off at the power source if it will not be used for a long period of time 1 9 Location and Storage The device may be operated normally in temperatures of 18...

Страница 6: ...nector 3 pin to 2 pin 1 x user manual 2 2 Description of Nouns and Symbols Used in this Manual xxxx This represents the name of buttons on the tester for example TEST Sy xxxx This represents the butto...

Страница 7: ...numbers and the 2nd 4th time will be the capital English letter from the left to the right on top of the number buttons respectively examples are as follows Button name Number of times pressed LCD dis...

Страница 8: ...ry buttons Soft Key 3 PASS FAIL HIPOT LED 4 Control button Edit Key group 5 Test shortcut button group 6 System reset Reset button 7 Power switch 8 Pin Search connector 9 128Pin has 2 slots and 256 Pi...

Страница 9: ...4 Control button Edit Key group 5 Test shortcut button group 6 System reset Reset button 7 Power switch 8 Pin Search connector 9 256Pin has 8 slots 10 Test button TEST 11 System button Sys Key group 1...

Страница 10: ...t 4 High voltage calibration output connector 5 AC power input 230 115 VAC 6 115 230V switch 7 Fuse holder 250V 3A 8 Audio output socket Note 1 Please confirm whether the AC input voltage setting is t...

Страница 11: ...t 3 Printer Port 4 AC power input 230 115 VAC 5 115 230V switch 6 Fuse holder 250V 3A 7 Audio output socket Note 1 Please confirm whether the AC input voltage setting is the same as the voltage used 2...

Страница 12: ...Function setting Conduction setting Test Yes No Setup Mode System setting DC insulation setting Test AC tolerance setting Yes No Stat Statistical data R setting Test Yes No Print Print setting C setti...

Страница 13: ...execute the self test program 4 When the execution of the self test is completed it will officially enter the 8751 8761 system the LCD display will be as follows 5 To end the system please press the P...

Страница 14: ...l S5 Software version and update date display S6 Switch between Chinese English 1 Quickly switches to the short circuit table function same as O S 2 Quickly switches to the learning function same as L...

Страница 15: ...tion AC tolerance setting edit 3 Control button Edit Key group Alphanumeric buttons Used to enter alphanumeric characters including 0 1 A Z and BS Back Space Direction buttons Used to move the cursor...

Страница 16: ...ion Print descriptions are as follows 3 1 Function Menu Provides the main function menu for the system its operations and function descriptions are as follows 1 Press Func 2 The LCD screen will displa...

Страница 17: ...r this machine will execute the self test function immediately upon powering on 1 Press Func please use or to select system self test and then press Enter 2 The system will now execute the self test f...

Страница 18: ...t can perform system update 1 Press Func please use or to select RAM configuration table and then press Enter 2 The LCD screen will display as follows 3 1 3 Test Parameter Calibration This function in...

Страница 19: ...igh voltage calibration is used to adjust the Read test value closest to the DC setting value 1 Press Func 2 Please use or to select test parameter calibration and then select DC high voltage calibrat...

Страница 20: ...ease use or to select test parameter calibration then select AC high voltage calibration and press Enter 3 The LCD screen will display as follows 4 Press S1 UP or S2 DOWN to adjust the Read test value...

Страница 21: ...t the internal resistance of PORT B slot B If the machine you purchased is 256PIN it will offset the internal resistance all the way to PORT H in sequence 6 Change the offset board to the COND offset...

Страница 22: ...S4 OK 6 To cancel the set data simply press S6 QUIT 3 1 4 Pin Search This function can display which is the current output pin 1 Press Func 2 Please use or to select pin search and then press Enter 3...

Страница 23: ...ecting of Conductance R L C D Insulation Withstanding and use the meter mode to perform continuous tests 1 Press Func 2 Please use or to select meter mode and then press Enter 3 Select the test item C...

Страница 24: ...display as follows 3 1 5 2 Meter Mode Component This function allows performing of component R resistance L inductance C capacitance D diode measurement FUNC Selects component type R resistance L ind...

Страница 25: ...ON and the H V signal on the panel turns on which means that high voltage is being sent to the straight boxed output terminal and the high voltage calibration terminal During this time there is the da...

Страница 26: ...N and the H V signal on the panel turns on which means that high voltage is being sent to the straight boxed output terminal and the high voltage calibration terminal During this time there is the dan...

Страница 27: ...connection Protocol Select TCPC or TCPS Sever IP Server IP address Sever port Server port Host Address Host address Host mask Host mask Host gateway Host gateway gateway Command delay cmd delay Sets t...

Страница 28: ...configuration and test related action settings their operation and function descriptions are as follows 1 Press Sys 2 The LCD screen will display as follows 3 Please use or to select the item needed...

Страница 29: ...y Sets the input power frequency 50Hz 60Hz 3 Key Stroke Sound This tester allows enabling disabling button sounds according to the needs The default value is All Key All Key Sets it so that there are...

Страница 30: ...cted so please read the user manual carefully 1 Press Sys and use or to select this item function 2 Press S1 or PROG 3 The LCD screen will display as follows 5 Sound Volume Press S1 or PROG to adjust...

Страница 31: ...30 3 2 2 Setting the Testing Environment 1 The LCD screen will display as follows...

Страница 32: ...Data This function is used to set the display of the test statistical data and print format there are a total of three options ALL Display and print test data whether there are errors or not None Do...

Страница 33: ...Generates a test result file on the USB flash drive Computer connection Transmits the test result to the computer terminal through the RS232 interface 14 Connect Det Tests the step files one by one a...

Страница 34: ...y R offset delay time setting 3000us 60000us Default is 3000us 24 AF Delay Time Frame current output delay time setting 1ms 1000ms Default is 5ms 25 Default Setting All options of the test environment...

Страница 35: ...en input is complete 5 Press Exit to exit Note 1 Hour is in 24 hour format 3 2 4 Change System Password This tester provides key lock protection in order to prevent data from being modified randomly 1...

Страница 36: ...repeat the setting steps described above 3 3 Print Function Menu This tester provides direct printer output making it easy for you to print out the data needed its operation and function descriptions...

Страница 37: ...as follows 3 Press add network add the network 001 short circuit pin A01 and the LCD screen will display as follows 4 Press add pin and use the other function button slot A and the number button 02 to...

Страница 38: ...arrange network and then the exit button to complete network editing the LCD screen will display as follows 7 When check failed resulting in the network cannot be arranged and the network editing proc...

Страница 39: ...anagement for details 3 6 Statistical Data Statistic This function allows viewing of the test result statistical data including total number of tests number of passes number of fails and cause of fail...

Страница 40: ...tical data using percentages 4 The LCD screen will display as follows 5 Press S6 CLR to clear all current statistical data 6 Press Exit to exit when completed 3 7 Mode Setting Mode Press O S and then...

Страница 41: ...reshold Available options include 2K 5K 10K 20K and 50K other functions are used to determine the short circuit value If it is set as 2K cables with resistance under 2K are considered to be short circ...

Страница 42: ...open circuit or short circuit 4 Unilateral test sensitivity SINGLE SIDE SENDS The lower the value the more sensitive it is 0 999 5 Instant short circuit test time INTER O S Time 0 60s 6 Instant short...

Страница 43: ...est press TEST and the LCD screen will display as follows From the LCD display screen we can find out the total number of tests and the number of passes and fails 2 When test mode is being set set the...

Страница 44: ...as follows Use the automatic pin search probe to specify the short circuit pin to test example is as follows When using the pin search probe on the panel touch the relative position A01 specified by t...

Страница 45: ...he cables A03 A05 A07 and also press S1 READ press S4 Finish when completed When performing cable test press TEST and the LCD screen will display as follows Please use the automatic pin search probe a...

Страница 46: ...initially have 4 steps preset so for the test of each test DUT steps 1 to 4 of the step test must be completed successfully in order for it to pass A maximum of 128 test steps can be set When test mod...

Страница 47: ...sed and the value will change to zero after learning S4 clears the unilateral offset value Press Learn after inserting the test DUT the LCD screen will display as follows When test mode is being set e...

Страница 48: ...ve stable tests 4 Test start method Automatic Starts test after test DUT is inserted Manual Starts test after the test DUT is inserted and the Test button is pressed Continuous Continuous tests after...

Страница 49: ...display for the A Port or B Port short circuit 9 Unilateral test sensitivity This acts when the cable type is set as unilateral it is considered short circuit when the test value is higher than the va...

Страница 50: ...e test DUT according to the pin learned a maximum of 4 tests can be selected and the start and end pins of the test DUT can be set P S There must be no other test DUT at the start and end of the test...

Страница 51: ...whether to execute test for the selected item Chapter 4 Comprehensive Test Mode Test mode uses programmed design functions to perform simultaneous and automatic tests according to the different test c...

Страница 52: ...luding O S Cond R C HIPOT Diode settings its contents mainly includes The test signals frequency voltage size and current etc of each test item Parameter Control standard specification control standar...

Страница 53: ...ding to your needs as the lower limit of the cable conductance 3 Conductance offset Cond Offset Resistance value can be entered to increase or decrease the resistance of the fixture 4 Conductance mode...

Страница 54: ...53 Press S3 Cond Net to enter conduction edit Press S1 SET the item needed and then press S4 OK Import to component edit...

Страница 55: ...istance value of the test DUT s NET for offset fixture 4 1 3 R C D Component Setting Edit Resistance 1 Press the R C D button and the screen will display as follows 2 After entering the name move the...

Страница 56: ...ard value line enter the actual test value or use S1 Learn and S2 Learn all function the LCD screen will display as follows 5 When the component is resistance or capacitance press S5 CLR OFFS to offse...

Страница 57: ...nce or capacitance offset 8 When the component is resistance press SHIFT S5 CLR OFFS to display the data for resistance offset the LCD screen will display as follows 9 When the component is diode or c...

Страница 58: ...nter the pin selected Pin negative pin Negative pin setting please enter the pin selected Standard value Standard value setting please enter the value needed Error Error value setting please enter the...

Страница 59: ...the test voltage value for DC insulation and AC tolerance the DC voltage is 50V 1000V N NA 50V 1500V FA and the AC voltage is 100V 700V NA 100 1000 FA 2 Frequency Sets the test frequency only the AC p...

Страница 60: ...testing and the second time A B E F and C D G H are divided into two groups for testing and the third time A C E G and B D F H are divided into two groups for testing then the test only needs to be pe...

Страница 61: ...hod that finds a balance between stable test value and test speed Quick Test method that saves changing time under known test specification conditions The following requirements must be followed for q...

Страница 62: ...nly used to test tests with no circuits 4 DC arc Sensitivity Sets the DC arc detection sensitivity 1 8 the lower the value the more sensitive it is the higher the value the less sensitive it is 5 AC a...

Страница 63: ...firm whether the test mode settings are correct and change according to your needs 4 After confirming there are no errors press EXIT to exit and return to the main screen 5 Press TEST to start testing...

Страница 64: ...You can execute select old file delete old file file sorting actions to make it easier to manage and use the files instructions are as follows 4 3 1 Select File Select file loads files saved on the pe...

Страница 65: ...at this time 4 3 2 Step Setting When you need to perform multiple test steps to a test DUT you can set the test steps that need to be performed using step test to simplify your test process and reduce...

Страница 66: ...e files EX1 EX2 and EX3 6 Use or to move the cursor to EX1 and then press S3 SET 7 The LCD screen will display as follows And then use or to move the cursor to EX2 and then press S3 SET 8 The LCD scre...

Страница 67: ...ish and the LCD screen will display as follows 12 This way step test setting is complete S2 LEARN can also be used for setting 13 For example Put the test DUT in place and press S2 LEARN the LCD scree...

Страница 68: ...tep setting will be generated the LCD screen will display as follows 15 And so on we can set the 1st 2nd step Assume we have set a total of 5 test steps once setting is completed press S3 OK and the L...

Страница 69: ...68 16 This also completes the setting for step test 17 Press S3 STEP TEST or TEST and the LCD screen will display as follows 18 Performs the 1st test step the LCD screen will display as follows...

Страница 70: ...ep test Note 1 When each test step is completed the machine will scan for short circuits O S The machine will only perform the next test step after the short circuit O S status changes 2 If you want t...

Страница 71: ...5 Confirm the file name you want to create and press Enter to complete the create new file action 4 3 4 Upload File Upload file uploads the selected single file to the USB flash drive its instruction...

Страница 72: ...ctions are as follows 1 Press File 2 Press S4 UP ALL to execute the upload all files action 3 The LCD screen will display as follows 4 3 6 Delete File Delete file permanently deletes files saved on th...

Страница 73: ...lows 4 Confirm the file name you want to delete and press Enter to complete the delete file action 4 3 7 File Sorting File sorting sorts the files according to four rules its instructions are as follo...

Страница 74: ...73 2 Press S6 SORT to execute the file sort action 3 File order after sorting...

Страница 75: ...he import file screen 2 Press S1 PROG or S4 SELALL to select the file to import on the other hand you can press S5 CANC EALL to cancel the selected files 3 Press S1 SET STEP to import the file current...

Страница 76: ...75...

Страница 77: ...n Parity Character ASCII Character Function 8751 8761 Controller RxD Pin2 Pin3 TxD Pin3 Pin2 GND Pin5 Pin5 2 PRINTER CABLE 25 PIN connector male 36 PIN connector male Signal 1 1 STROBE 2 2 DATA 0 3 3...

Страница 78: ...ircuit means Reset same as pressing RESET on the panel EGND and equipment GND Uses insulation isolation design for connection with different zero level potential equipment CTL 7 0 Open collector outpu...

Страница 79: ...t CTL1 High voltage testing CTL2 Total PASS status CTL3 Total FAIL CTL4 DUT 1 FAIL status CTL5 DUT 2 FAIL status CTL6 DUT 3 FAIL status CTL7 DUT 4 FAIL status 5D and 12D output current must not exceed...

Страница 80: ...0 1 50 0 1 Insulation resistance IS 1M 1 99M 10 50V IS 2 00 M 4 99 M 10 50V IS 5 00 M 9 99 M 10 50V IS 10 00 M 19 99 M 10 50V IS 20 00 M 49 99 M 10 50V IS 50 00 M 99 99 M 10 100V IS 100 0 M 199 9 M 10...

Страница 81: ...VAC 8751 8761 NA 50 1000VDC 100 700VAC 8751 8761 NAC 50 1000VDC 100 700VAC 8751 8761 N 50 1000VDC 50V Resolution High voltage output accuracy 5 accuracy Display sound device 320x240 resolution graphic...

Страница 82: ...tting file system update Memory device Built in 2048KB SRAM A maximum of 250 sets of test setting files can be saved Built in CR2032 battery Power supply 115 230 Vac switchable voltage input 10 60 50H...

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