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Microtest 7631 User Manual

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User Manual
Hipot Tester
7631
S/W Ver
Firmware Ver
Date
2.0
Dec-2022

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Summary of Contents for Microtest 7631

  • Page 1 User Manual Hipot Tester 7631 S/W Ver Firmware Ver Date Dec-2022...

  • Page 2: Table Of Contents

    Content Chapter 1 Safety Specification ..............5 1.1 Electrification and Electric Shock ..........5 1.2 Grounding .................. 5 1.3 Power ..................5 1.4 Connect the testing cable to the high voltage output terminal .. 5 1.5 Warm up ..................5 1.6 External control host ..............
  • Page 3 7.1 Instruction summary ..............34 7.2 Command description .............. 36 Appendix 1 ....................44...
  • Page 4 All brands and trademark are the properties of Microtest Co., Ltd. Microtest Co., Ltd. and its affiliates shall not be liable for the damage, losses or costs incurred due to the accidental use, misuse or abuse by the product buyer or the third party; or the unauthorized modification, repairs or change of the product;...

  • Page 5: Chapter 1 Safety Specification

    Chapter 1 Safety Specification This tester outputs voltage as high as 5kVac/6kVdc for external testing; accidents will happen if this tester is used incorrectly or improperly. Therefore, in consideration of your own safety, please read the precautions described in this chapter carefully and memorize them in order to prevent accidents from occurring.

  • Page 6: External Control Host

    machine in advance and let it warm up for 15 minutes or more before use. 1.6 External control host This tester can perform external control; make sure the operator is not touching the high voltage output terminal and DUT when performing such controls in order to avoid causing danger.

  • Page 7: Chapter 2 General Description

    Chapter 2 General description 2.1 Package and Accessories Standard accessories included with the HT-7631 high voltage tester package should include the following items: 1. HT-7631 high voltage tester *1 2. High voltage testing cable (red) *8 3. Power cable *1 4.

  • Page 8: Rear Panel

    (6) Function key: Press to set up a function represented by the key which will be detailed later. (7) Numeric key: Press to edit numeric data. (8) USB port: Connect USB storage for setup file access and firmware updates. Note: It supports FAT format only. (9) Power switch: Power on or off the host.
  • Page 9 (6) Iron casing terminal: Ground your machine with this terminal for more steady device operation (7) RS-232 connector: Connect to the computer to control your machine with computer instructions (8) Remote controller port: Signal for external control including the determination and testing signal output or input of an external signal for test start and stop (9) Inter Lock port: High voltage current output safety switch.

  • Page 10: Chapter 3 Basic Operation Description

    Chapter 3 Basic operation description 3.1 Function block diagram Ready Config Setup File Baud Save As.. MODE Rate Lock Load File VOLT Auto Pass Reply Hold Time Del. File FREQ Trig New File Sound Wait Time Save File Pass Alarm To USB Word Mode...

  • Page 11: Standby Screen Description

    3.2 Standby screen description (1) Display the current test mode: Message “ACW” for AC voltage testing, “DCW” for DC voltage testing, “IR” for insulation impedance testing (2) Readings of the voltage, current (resistance in IR mode), and test time of the measurement output port now. It displays the current voltage and test time settings if no test is running now.

  • Page 12: System Settings Description

    OPEN Test wire disconnection error (4) Display the first five test steps of the current file (5) The orange color framed step is the one under testing (DUT) now along with its specifications displayed. You may select the desired step by moving the cursor to it with arrow key. Press the ENTER key to set up the test items.
  • Page 13 RS-232 content; the data storage path is \7631\STAT\current test file name .csv. When the function is set to BOTH, the above two actions will be performed simultaneously.

  • Page 14: Function Setup Description (Func)

    (8) Adjust downward: You may press the corresponding software key when this symbol is displayed to tune options downward or decrease the numeric value by 1 after each key is pressed. (9) EXT-I/O: External expansion I/O board, if the field shows NULL, it means that no expansion I/O board is currently connected, if it shows EXIST, there is an expansion I/O board connected.
  • Page 15 (3) Trig Wait Time: This is the time span after your machine enters the test page (the “WAIT” message prompts in the status column) by pressing the test key until there is a high voltage current output for the test. This is used to get the test jig triggered and positioned for testing.

  • Page 16: Specification Setup Description (1)

    3.5 Specification setup description (1) Figure 3-5-1 Setup 1 (1) STEP: Step ID. Each file can have up to 16 steps. Press the software key COPY to add the next step; press the software key DEL to delete the step where the cursor is positioned. Each file must have at least one step.
  • Page 17 For example: General test Contact check before test (Set Step 1 to be contact mode, and test CH 1-3 Set Step 2 to be contact mode, and test CH 2-4 Set Step 3 to be ACW mode, and test CH 1-2) 5.
  • Page 18 The figure 3-5-2 is the test flow chart of Parallel mode. As shown in the figure, STEP-1 and STEP-6 are setting Parallel mode. If STEP-1 judges FAIL during the test, the machine will test according to the items set in STEP-2, 3, 4, and 5 to analyze which DUT is defective.

  • Page 19: Specification Setup Description (2)

    (9) CH+, CH-: This item sets up the high or low voltage output channel. There are 8 options for you to set as desired. Check the channel number in the CH+ row to set it as the high voltage channel and in the CH- row to set it as the low voltage channel;...
  • Page 20 Level 4 4mApeak Level 14 14mApeak Level 5 5mApeak Level 15 15mApeak Level 6 6mApeak Level 16 16mApeak Level 7 7mApeak Level 17 17mApeak Level 8 8mApeak Level 18 18mApeak Level 9 9mApeak Level 19 19mApeak Level 10 10mApeak Level 20 20mApeak (2) OFFS: This item resets the test end to prevent the impact of the external jig on accuracy.
  • Page 21 Note: In case readings with or without connection to the DUT differ from each other in a range less than 20, then its capacitance is too small and may not be valid for using this method for an open circuit test. (4) DLAY: This item is aimed at judging the delay time and is editable only in IR mode.
  • Page 22 Figure 3-6-2 DCW/IR-TEST Figure 3-6-3 ACW-TEST...

  • Page 23: File Management (File)

    3.7 File management (FILE) Figure 3-7-1 File (1) Save As..: This option saves the setup file with a new file name (there can be up to 30 files saved in your machine). The “file save” page displays the existing files in your machine. In case a USB drive is connected, a USB icon shows in the upper right corner of the page.
  • Page 24 machine. DO NOT edit this data as the file may be damaged or the machine may run improperly. Figure 3-7-3 Load File (3) Del File: This item deletes the file in a manner similar to saving or retrieving it. (4) New File: This item initializes all existing files and creates a new one.

  • Page 25: Chapter 4 Start Testing

    your machine from the USB drive and overwrites any one in the former with the same name. Enter this page to display the files existing in USB drive, press the software key OPT to select one or more desired files, press the software key COPY to start copying selected files.

  • Page 26: Testing In Progress

    Figure 4-1-1 Ready Figure 4-1-2 Test button 4.2 Testing in progress (1) The message TEST is shown in the message column. (Figure 4-2-1) (2) The high voltage output light indicator is ON in the front panel. (Figure 4-2-2) (3) Measure the output voltage and leak current. (4) Test time counting.

  • Page 27: Ending A Test

    Figure 4-2-1 Test Figure 4-2-2 H.V LED 4.3 Ending a Test (1) Press the ABORT key to stop testing. Figure 4-3-1 Abort (2) Current/resistance measurements over the upper limit (HI-LIMIT). (3) Current/resistance measurements below the lower limit (LO-LIMIT). (4) Leak current over the maximum measurement (Break Down).

  • Page 28: Release Determination Results

    (5) Arc is over the settings (Arcing). (6) Output safety switch is enabled (Inter Lock). (7) The terminal to be tested is open (OPEN). (8) Test time expired. The test ends in case of any of the above. The high voltage output light indicator turns off and the high voltage output closes after the test has ended.

  • Page 29: Chapter 5 Remote Control I/O Description (Remote)

    Figure 4-4-1 Fail Chapter 5 Remote control I/O description (Remote) The back panel of your machine comes with a remote control connector (REMOTE). Please connect the control wire to it to enable controlling your machine with an external signal. In cases like this, the test operator will not touch the high voltage output end to prevent personal injury.
  • Page 30 Name Function CTL1 Reserved CTL2 Reserved CTL3 Reserved CTL4 Reserved TESTING Test in progress PASS Determination PASS FAIL Determination FAIL HV-ON High voltage output in progress Earthing point of your machine TRIG Test trigger ABORT Test abortion RESET Reset your machine DC +5V output +12V DC +12Voutput...

  • Page 31: Chapter 6 Rs-232/Usb Drive Use Description

    (6) H.V. ON: Conduct with Pin15 (COM) when your machine is outputting high voltage. Frequent uses: (Input signal) Control your machine for testing by using a normal open switch relay. (Output signal) Control the relay with the output signal. Please connect the relay coil to a regulator diode for safer application Chapter 6 RS-232/USB drive use description...

  • Page 32: Command Format

    6.2 Command format The RS-232 interface function of your machine is exercised by a command string in ASCII code for remote control and setup. Each command string is composed of the command code and its parameters, two commands are connected with a semicolon “;”, and appended with an end code.

  • Page 33: Connection Cable And Method

    6.4 Connection cable and method 6.5 USB device interface specification Interface I/O USB Specification 2.0 Self-powered Transfer rate: MAX 12Mbps(Full Speed) Command string end code For receiving: LF or EOM For transmission: LF+EOM Vendor ID 0x1FC9 Product ID 0x811D...

  • Page 34: Chapter 7 Remote Command

    Chapter 7 Remote command 7.1 Instruction summary Common instruction *CLS *IDN? *OPC *OPC? *OPT? *RCL *SAV SCPI command :CONFigure :KLOCk <ON , OFF, 1, 0> :ALARm <ALL,PASS, FAIL,OFF> :PHOLd <50ms,100ms,500ms,1s,2s,5s,INFinity> :TGWAit <NRf> :TMODe <SINGLE,MULTI> :TMODe :MULTi :TSOUrce <AUTO,TRIG> :TMODe :MULTi :BREAk <FAIL,OFF>...
  • Page 35 :OFFSet IMAG <NRf> :OFFSet REAL <NRf> :OPEN <NRf> :DELAy <NRf> : STEP : COUNt? : STEP : DELete <numeric> : STEP : ADD <numeric> : STEP : CONDition <numeric> :MEASure :VOLTage? :CURREnt? :RESistance? :TIME? :OPERation :STEP <numeric> :FILE? :RESU? :STAR :STOP :SYSTem :AUREply...
  • Page 36 7.2 Command description Shared command Command Function *CLS Erase data in every register *IDN? Read the basic device data including the manufacturer, model, serial number, firmware release and output in comma delimited format *OPC Operation completion command *OPC? Query operation completion command: Return value 1 if operation completed;...
  • Page 37 :CONFigure: PHOLd <50ms,100ms,500ms,1s,2s,5s,INFinity> This command sets up the retaining time for PASS display Example: CONF: PHOL 100ms Example description: Set up PASS display time to 100mS Example: CONF: PHOLd? Return value: +1.00000E-01 <100ms> :CONFigure:TGWAit <NRF> This command sets up the test wait time after a trigger Example: CONF: TGWA 500mS Example description: Set up wait time after trigger to 500mS Example: CONF: TGWA?
  • Page 38 Example: CONF: TMOD: MULT: SIGN? Return value: TOTAL <output overall determination signal> :EDIT:STEP <numeric> This command sets up the step for editing. The following “EDIT” string headed command setting up step is specified by the command, e.g. after setting step 1 to be edited, all the following voltages or current values will be set to step 1.
  • Page 39 This command sets up the lower determination limit Example: EDIT: LOLI 0.5mA Example description: Set the lower determination limit to 0.5mA Example: EDIT: LOLI? Return value: +5.00000E-04 <0.5mA> :EDIT: RAMP < NRf > This command sets up the voltage rising time Example: EDIT: RAMP 0.5s Example description: Set the voltage rising time to 0.5s Example: EDIT: RAMP?
  • Page 40 Example description: Set the arc sensitivity to 5 Example: EDIT: ARC? Return value: 5 :EDIT: OFFSet IMAG < NRf > This command sets up the reset deduction value of imaginary current. Example: EDIT: OFFS IMAG 0.002mA Example description: Set up the reset deduction value of imaginary current to 0.002mA Example: EDIT: OFFS IMAG? Return value: +2.00000E-06 <0.002mA>...
  • Page 41 :EDIT: STEP:ADD < numeric > This command adds a test step. Example: EDIT: STEP: ADD 2 Example description: Add test step STEP2 :EDIT: STEP:CONDition? < numeric > This command queries the test step conditions Example: EDIT: STEP: COND? 2 Example description: Query test conditions of step 2.
  • Page 42 Return vale:26983877 <Means file name is 26983877> : RESUlt? This command queries the test results. Example: RESU? Return value: 01,+9.01235E+00,+7.52562E-07,+1.19756E+07,2 with contents in the following sequence: test step ID, voltage measurement, current measurement, resistance measurement, determination results where determination results are predefined codes with the meanings defined in the table below: Code Description...
  • Page 43 Example: SYST: KYSO ON : SYSTem: ALARm [:VOLUme]: PASS < numeric> This command sets up the volume of PASS alert Example: SYST: ALAR: PASS 1 Example description: Set the volume of PASS alert to1 Example: SYST: ALAR: PASS? Return value: 1 : SYSTem: ALARm [:VOLUme]: FAIL<...
  • Page 44 Appendix 1 -100 Command error -102 Syntax error -103 Invalid separator -108 Parameter not allowed -109 Missing parameter -112 Program mnemonic too long -113 Undefinded header(query a command only command or query command missing '?' -141 Invalid character data -211 Trigger ignored -221 Settings conflict...
  • Page 45 Remark 2022/12/16 Update Arc Sen. level...

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