Microtest MT-6920R Manual
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Microtest MT-6920R Manual

Motor armature tester
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MOTOR ARMATURE TESTER
6920
ENGLISH MANUAL
st
1
Oct 2008

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Summary of Contents for Microtest MT-6920R

  • Page 1 MOTOR ARMATURE TESTER 6920 ENGLISH MANUAL Oct 2008...

  • Page 2: Table Of Contents

    MICROTEST CATALOG BEFORE USE........................1 1.1 Product Introduction......................1 1.2 Product Characteristic .......................1 SPEC INSTRUCTION......................2 SAFETY INSTRUCTION ....................4 INSTALLATION .........................6 4.1 System Setup Procedure....................6 4.2 Front Panel Function ......................7 4.3 Back Panel Function......................9 4.4 Fixture Panel Function ....................11 OPERATION INSTRUCTION..................12 5.1 Before Use........................12 5.2 Function Instruction ......................12...
  • Page 3 MICROTEST 5.5.3 Resistance Test Setting ....................24 5.5.4 Insulation Test Setting .....................25 5.5.5 Hipot Test Setting ....................26 5.5.6 Impulse (Surge) Test Setting..................27 5.6 Start Testing ........................33 5.6.1 Test Progress Procedure ..................33 5.6.2 Testing Message Analysis..................35 CALIBRATION PROCEDURE ..................37 6.1 Enter Configuration Procedure..................37 6.2 High Voltage Output Calibration ..................38...

  • Page 4: Before Use

    1. BEFORE USE 1.1 Product Introduction MT-6920R is a tester which exclusive made for Motor Armature tester and it includes 8 4-wire testing independent testing points. The testing items are including DC Resistor testing and Impulse / Surge Testing which can well examined your product and also speed up the testing.

  • Page 5: Spec Instruction

    MICROTEST 2 SPEC INSTRUCTION DC Resistor Measuring Range  0.01mΩ~100KΩ Basic Accuracy  Low Resistance: 0.1mΩ~1Ω ± (0.2% ± 1mΩ) High Resistance: 1Ω~100kΩ ± 0.1% Hipot Measuring Voltage  DC 500V ~ 3kV ±5% Leakage Voltage  DC 0.1 ~ 10mA Measuring Time ...
  • Page 6 MICROTEST Layer Short Measuring Voltage  200Vp-p ~ 3kVp-p ±1% Measuring Item  Waveform area, waveform area difference, waveform tremor, waveform comparison, flutter value Stable Accuracy  Other Spec Measuring Pin  Depending on Samples Display / Sound Device ...

  • Page 7: Safety Instruction

    MICROTEST 3 SAFETY INSTRUCTION The instrument is not suitable using in outdoor especially in humid and dusty environment, impropriate using may cause electronic shock. Before using the instrument, please read the safety instruction completely in order to prevent any accident while using the instrument.
  • Page 8 7. Exterior Control Do not touch HV port and DUT during operation 8. Breakdown Stop the operation and contact your agent or Microtest immediately while there’s abnormal condition with the testers 9. End Up Turn off the power when the tester is not in use and do not turn the power on and off continuously 10.

  • Page 9: Installation

    MICROTEST 4 INSTALLATION 4.1 System Setup Procedure Start 6920 Setup 6908 and Accessories Setup F6920 Fixture Setup Measuring Items and Golden Sample Setup Start Testing Finish...

  • Page 10: Front Panel Function

    MICROTEST 4.2 Front Panel Function (1) Core 1: Testing Output Terminal for 1 of Fixture (2) Core 2: Testing Output Terminal for 2 of Fixture (3) CH1: Testing Output Terminal for 6920 and 6908 (4) CH2: Testing Output Terminal for 6920 and 6908 (5) 1 Fixture Connector Slot: From the left to right order is 1 ~ 4 PIN.
  • Page 11 MICROTEST There is no 2 Fixture Connector Slot without 48 Channels or Double Fixtures ※ Option.

  • Page 12: Back Panel Function

    MICROTEST 4.3 Back Panel Function (1) 6905 and 6920 HV Output Port (Connect by RED cables) (2) 6905 and 6920 HV Input Port (Connect by BLACK cables) (3) Temperature Sensor Port (4) Solenoid Valve Connect Port for 1 Fixture (5) Solenoid Valve Connect Port for 2...
  • Page 13 MICROTEST (8) Remote Port (For Foot Switch) (9) Ground Conduction Port (10) Connect Ports for 6920 and 6908...

  • Page 14: Fixture Panel Function

    MICROTEST 4.4 Fixture Panel Function (1) DUT Diameter Adjuster: Use hexagon screw to adjust the elasticity of DUT (2) DUT Installation: Place DUT @ no. 2. The Pin number is counted as counter clockwise (Pin 1~Pin 24) (3) Horizontal Adjuster: Make sure the probes are needled to the metal clips of DUT...

  • Page 15: Operation Instruction

    Press S1 under Function Menu and enter Self Test mode and start the self testing. Test items are CPU, RAM, ROM, EEPROM, CLOCK…etc. If test result is NG, power off the tester and contact your agent or Microtest Corp. to repair the instrument...

  • Page 16: Fixture Pnumatic Control

    MICROTEST Figure 5.2.1-2 5.2.3 Fixture Pnumatic Control Press S4 to enter Fixture Pnumatic Control. Select Fixture 1 or 2 to set up the power of the fixture Figure 5.2.3.1 5.2.4 Temperature Testing Configuration PessS4 under Function Menu and enter Temperature Testing Configuration mode.
  • Page 17 MICROTEST Figure 5.2.3.1 Configuration: Press S2 and manager code under Temperature Testing Configuration mode and start the calibration. Press S1 and S2 to adjust the value and make it same as the standard temperature Figure 5.2.3-2 Fahrenheit / Centigrade: Press S3 under Temperature Test Configuration mode...

  • Page 18: System Instruction

    MICROTEST Figure 5.2.3.3 5.3 System Instruction 5.3.1 System Entering Setting Press SYS at the main menu to enter System Setup Menu Figure 5.3.1.1 5.3.2 System Environment Setting Press S1 to enter System Setup. If want to modify the contents, use navigation...

  • Page 19: Test Configuration Setting

    Remote Output: Press S1 to setup control type, Standard, Extend, Unused Power On Self-Test: Press S1 to Lock or Unlock the Power On Self-Test WARNING: If self testing is NG, please turn off power immediately and contact your agent or Microtest Corp. immediately Language: Press S1 to change language 5.3.3...
  • Page 20 MICROTEST Figure 5.3.3.1 Temp. Correction: Press S1 to turn on / off the function Warning: Please turn off Temperature Correction function during configuration. Test Alarm: Press S1 to select setup item as follow… None  No alarm whether the result is pass or fail All ...

  • Page 21: System Time Setting

    MICROTEST Figure 5.3.3.2 Break On Failed Step: Press S1 to turn on / off the function. Stop testing when result is failed Auto Print Test Data: Press S1 to turn on / off the function. Print out the information when the sample is fail...

  • Page 22: Password Setting

    MICROTEST 5.3.5 Password Setting Press S4 under System Setting and enter the password into a text box. After enter the original code (6920), re-enter the new password (maximum 8 digits number) and re-enter the new numbers again to confirm the new password Figure 5.3.5.1...

  • Page 23: File Management

    MICROTEST Figure 5.3.5.3 File Management 5.4.1 File Management Setting Press FILE under Main Menu to enter File Management Figure 5.4.1.1 5.4.2 Load File Press S1 under File Management Menu to enter Load File. If file is using, the figure will shows “@” in front of file name. Use navigation key to move the...

  • Page 24: Create New File

    MICROTEST Figure 5.4.2.1 5.4.3 Create New File Press S3 under File Management to enter Create New File. Use navigation key to move the cursor and press S3 to select the alphabet, press S4 to delete and key in the file name press S1 to save the file name.

  • Page 25: Delete File

    MICROTEST Figure 5.4.4.1 5.4.5 Delete File Press S5 under File Management and enter Delete File. Use navigation key to move the cursor you want to delete and press S1 to delete. Figure 5.4.5.1 5.5 Setting Instruction 5.5.1 Test Setting Menu...

  • Page 26: Fixture Setting

    MICROTEST Figure 5.5.1.1 Caution: Please be noted that the testing items for 6920 includes: Insulation, Hipot, Surge, Resistance, O/S and more. Insulation and Hipot are only for the testing which connect with 6905, if the instrument does not connect with 6905, please turn off these 2 items.

  • Page 27: Resistance Test Setting

    MICROTEST Fix 1 Start Channel: Key in the pin numbers directly before press enter. Values are 1, 7, 13, 19, 25, 31, 37 and 43, the values are correspond to the output ports of 6908 cable. There will be 4 sets of cable connectors if instrument is equipped with 24CH, the first pin of each cable connector corresponds to 1, 7, 13, 19 pin;...

  • Page 28: Insulation Test Setting

    MICROTEST Figure 5.5.3.1 Speed: Press Selec to choose testing speed FAST / MED / SLOW Fail Restest: Use Selec to turn on / off the fucntion R Limit: Use numeric key to enter the resistance limit which is the standard to...

  • Page 29: Hipot Test Setting

    MICROTEST Figure 5.5.4.1 Voltage: Move the cursor to Voltage and use numeric key to set up voltage value, the maximum voltage is 1.0kV, the minimum voltage is 0.1kV Dwell: High voltage output sequential times. Use numeric key to set up, maximum value is 99.9 second, minimum value is 0.1 second...

  • Page 30: Impulse (Surge) Test Setting

    MICROTEST Voltage / Frequency: Move the cursor to Voltage and use numeric key to set up voltage value, the maximum value is AC 5.0kV, DC 6.0kV, the minimum voltage is 0.1kV. After the setting, press navigation key to move the cursor to frequency, use S1 to select frequency Dwell: High voltage output sequential times.
  • Page 31 MICROTEST press selec to choose the mode Learn: Impulse / Surge Testing is tested by waveform comparison, according to this, the instrument has to learn standard waveform to compare waveform of DUT. Move cursor to Learning, after entering, connect standard sample with Hipot output terminal and press Learn.
  • Page 32 MICROTEST Area Size: This item is to check the difference between testing waveform and standard waveform. Move the cursor to Area Size and use numeric to set up tolerance rate and then press TEST to enter Testing Mode (please note that the instrument need to learn standard waveform before enter this mode) and use S4 ~ S5 to set up the range.
  • Page 33 MICROTEST range. After the setting, press TEST to start the pre-test. In the meantime, there’ll be a difference value displayed at the right corner, and then press S6 to exit the setting if all the values are correct. Figure 5.5.6.6 Figure 5.5.6.7...
  • Page 34 MICROTEST setting. Figure 5.5.6.8 Figure 5.5.6.9 Waveform Comparison: Move the cursor to Waveform Comparison and press Selec (testing option), and use numeric key to enter tolerance rate. Press Test to enter Testing Mode and use S4~S5set up testing range, after the setting, press Test to start pre-test. In the meantime, the result will display at the right corner, press Exit to exit.
  • Page 35 MICROTEST Figure 5.5.6.10 Figure 5.5.6.11 Corona Value: Move the cursor to Corona Value and press Selec(Testing Option), using numeric key to enter the standard value. Press Test to enter Pre-Testing Mode and then press Test to start the pre-test, in the meantime there’ll be a corona value displayed at the right corner and then press Exit to exit the setting mode if all values are correct.

  • Page 36: Start Testing

    MICROTEST Figure 5.5.6.12 Figure 5.5.6.13 5.6 Start Testing Put DUT on the fixture after confirm there’s no voltage output and the indicator light of voltage is not lightening 5.6.1 Test Progress Procedure Press TEST under Main screen. After see READY TO TEST, press TRIG to start the...
  • Page 37 MICROTEST Figure 5.6.1.1 Figure 5.6.1.2 When press TRIG, Hipot will be outputted and the indicator light will be lightened. After testing, the test results will be shown on the screen also the Test Completed description...

  • Page 38: Testing Message Analysis

    MICROTEST Figure 5.6.1.3 If Impulse / Surge short is opened, press S6 after the testing in order to check the waveform and related values. Press S6 again to check another testing result Figure 5.6.1.4 If the test result is failed, it will be marked to let the operator easy to identify Figure 5.6.1.5...
  • Page 39 MICROTEST BREAK DOWN DUT Hi-Pot is fail ARCING DUT have corona value LINK ERR De-connected with 6905 Insulation Test Result Description Current is over the standard value Current is below the standard value BREAK DOWN DUT Hi-Pot is fail ARCING...

  • Page 40: Calibration Procedure

    MICROTEST 6. CALIBRATION PROCEDURE DC calibration available, please ensure to warm up the instrument at least 30 minutes in order to make the testing value correct. 6.1 Enter Configuration Procedure Press FUNC key under main menu and then press S2 to enter H/V CAL. The password...

  • Page 41: High Voltage Output Calibration

    MICROTEST 6.2 High Voltage Output Calibration Use S1 and S2 to adjust the voltage, and please adjust the value of CODE and READING the same if possible. After the adjustment, press ENTER to move next time Figure 7.2.1 UP: Press S1 to increase CODE value...

  • Page 42: High Voltage Value Setting

    MICROTEST Figure 7.3.1.1 6.3.2 High Voltage Value Setting Use numeric key to setup high voltage value. High voltage range is 0.2kV~5KV. If the setting value smaller than 0.2kV and larger than 5KV, the instrument will insert 0.2kV and larger than 5KV, the instrument will insert 0.2kV and 5KV...
  • Page 43 MICROTEST 總公司(Headquarters) Tel：886-2-26983877 Fax：886-2-26984089 Email：marketing@microtest.com.tw sales@microtest.com.tw 蘇州(Suzhou) Tel：86-512-66578260 Fax：86-512-66578260 東莞(Dongguan) Tel：86-769-88482136 Fax：86-769-88482135...

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