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How to deal with "Error opening comport COM4"?

Discussion in 'DIY Motion Simulator Building Q&A / FAQ' started by jia, Jan 30, 2012.

  1. jia

    jia New Member

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    hi all,
    I am a new user of X-Sim. I'd like to DIY a motion simulator with X-Sim and SCN5 cylinder.
    My SCN5 cylinder connects to PC via USB with RS-485 To USB converter.
    Now, when I click Try send data at X-Sim force-sender, X-Sim profiler will run Start, too. But when I click Disconnect at force-sender, there will appear a dialog box Error opening comport COM4 at profiler.
    How to deal with this problem?

    Thanks.
    jia, Jan 30, 2012
    #1
  2. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Can I get a picture of your interface settings in profiler.

    yobuddy
    yobuddy, Jan 30, 2012
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  3. jia

    jia New Member

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    hi, yobuddy

    Here is the screenshot of my interface settings.
    [​IMG]

    Thanks.
    jia, Jan 30, 2012
    #3
  4. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    nothing there, how about a shot of the scn5 settings page one for each axis

    yobuddy
    yobuddy, Jan 30, 2012
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  5. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    what OS are you running?

    yobuddy
    yobuddy, Jan 30, 2012
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  6. jia

    jia New Member

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    hi, yobuddy

    Here is the screenshot of my SCN5 settings. Now I just have one SCN5 connected to PC.
    [​IMG]

    Thanks.
    jia, Jan 30, 2012
    #6
  7. jia

    jia New Member

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    My OS is Win7.
    jia, Jan 30, 2012
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  8. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Have you set profiler.exe to run as administrator?
    Id set force sender to run as admin also.
    Can i have one last picture of your Ports (Com & LPT)” in Device manager?

    yobuddy
    yobuddy, Jan 30, 2012
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  9. jia

    jia New Member

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    hi yobuddy,

    I didn't set these programs to run as administrator. I'll try it soon, thanks for this suggestion!!
    And here is the screenshot of my device manager.
    [​IMG]

    Thanks.
    jia, Jan 30, 2012
    #9
  10. jia

    jia New Member

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    I tried set these programs to run as administrator, but the error message is still exist.
    jia, Jan 30, 2012
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  11. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Did you set your adapter setting like this?

    Untitled.jpg

    Only other thing I think it could be is the adapter is not based on a FTDI chip.

    yobuddy
    yobuddy, Jan 30, 2012
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  12. jia

    jia New Member

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    Yes, I have the same settings as your screenshot.

    In fact, I can run these programs well, the message just appeared when force-sender disconnected(e.g. leave a game).
    jia, Jan 30, 2012
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  13. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Well I'm glad it works!
    I would bet the problem lies in the prolific driver, but its just a guess! :?

    yobuddy
    yobuddy, Jan 30, 2012
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  14. jia

    jia New Member

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    Thank you very much, yobuddy.
    jia, Jan 30, 2012
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  15. jia

    jia New Member

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    hi sirnoname,

    I used the comport for SCN5 plugin and in the USO dialog.
    Here are the screenshots of the two pages.
    [img600px]http://www.mojoimage.com/free-image-hosting-09/507__scn5.png[/img600px]
    [​IMG]

    If I disable SCN5 plugin and disable the actuator, that error message box will not appear.

    Thanks.
    jia, Jan 30, 2012
    #15
  16. yobuddy

    yobuddy Well-Known Member Staff Member Moderator SimAxe Beta Tester SimTools Developer Gold Contributor

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    Please click Remove Comport - it's in the second picture you posted, near the bottom right.
    That should clear the Select comport to edit in USO, you don't need that I believe.
    Then give the program a try, I bet it works.

    yobuddy
    yobuddy, Jan 30, 2012
    #16
  17. rafael_design

    rafael_design Member

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    My Motion Simulator:
    2DOF, DC motor, Arduino, Motion platform
    In my case, one few times I get error opening com port so I reset x-sim (other stuff folder >registry cleaner) and reset the AMC and everything comes back to normal.
    This is more often when massively changing/tweaking profiles...
    :highfive:
    rafael_design, Jan 30, 2012
    #17
  18. jia

    jia New Member

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    Yes!! The problem is solved.
    Thank you.

    Now I have a new problem. I followed http://www.x-simulator.de/forum/x-sim-2-0-video-tutorials-t1214.html to set force-sender and profiler, but my profiler can't receive effect values( input #21~#40). These values were always zero.
    Did I set some settings wrong?

    I run rFactor game and use rFactor plugin.
    Thank you.
    jia, Jan 31, 2012
    #18