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  1. S

    Mpg meldas 500l

    No, I haven't do it yet. In addition, I also do not have software for communication. If RS 232 cable I have, but I do not know the wiring was correct or not. From NC using 15 pin and to PC use 9 pin. I just swap pin 2 to pin 3.
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    Mpg meldas 500l

    Vancbiker, could you tell me how to send and receive programs/parameters /PLC ladder using PC? Many thanks
  3. S

    Mpg meldas 500l

    Could you tell me what kind of error when looking from the LED indicator on this NC? Thks
  4. S

    Mpg meldas 500l

    I want to report the last status of my machine. Now display shows only red text (see picture). Early events like this, controls often hangings, after that often appear servo alarm, I turn off some time then normal again. After that often appears alarm 'illegal PLC', before ever happened...
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    Mpg meldas 500l

    Which PCB are you suspected of being problematic? QY201 PCB board or MC231 Board?
  6. S

    Mpg meldas 500l

    No, EMG just a while. Is the parameter setting correct?
  7. S

    Mpg meldas 500l

    The ribbons are still the same as the original, so I do not think it could be reversed. I've tried to replace floppy drive but the result is still the same.
  8. S

    Mpg meldas 500l

    I have a backup disk of parameters, programs, tools, variabel, but the big problem is the fdd cant work correctly. I haven't call mitsubishi yet because I haven't much money.
  9. S

    Mpg meldas 500l

    Maybe I should give up, ignore MPG but it will be difficult when setting. Another problem is the floppy drive. I see the indicator light on fdd is on, usually off and on when the disk is read / inserted. Please check if any parameter settings are wrong? I can not format the disket, input the...
  10. S

    GreaMat Maintenance Manual

    Hi All, Does anyone have maintenance manual for cnc greamat 805MA & 805TA? Would you please send to my email at: [email protected]. Thanks in advance, Obed
  11. S

    Mpg meldas 500l

    Could you telling me What is this function? I do not understand because in japanese.
  12. S

    Mpg meldas 500l

    Yes, I saw the voltage change from 0V to 5V. May be the board is bad.
  13. S

    Mpg meldas 500l

    No I have not checked the MPG signal, because I dont have an oscilloscope. I just checked using multimeter. Could you tell me any requirements other than mode to Handle, selector axis, and multiplier?
  14. S

    Mpg meldas 500l

    Here I attached the photo
  15. S

    Mpg meldas 500l

    When I select to Handle mode, I saw on the ladder output for handle mode is on. I thing for PLC have no problem.
  16. S

    Mpg meldas 500l

    Thanks for your reply. Yrs, it did. MPG had worked before the PLC error. I have reloaded the PLC ladder accordingly the copy from the machine builder. Everything work fine except the MPG. I checked signal (I/O) from selector switch (X, Z) and Multiplier (1, 10, 100, 1000) from PLC ladder...
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    How 2 Output Ladders via DNC, Mits 500M control

    Hi all. I have a CNC lathe that uses MELDAS 500L control. The problem is Manual Wheel (MPG) is not working. I have checked the PLC is no problem, try to replace the MPG the results are still the same. I think it is most likely the problem is on "Bit select" but I do not know what bit to...
  18. S

    Mpg meldas 500l

    Hi all. I have a CNC lathe that uses MELDAS 500L control. The problem is Manual Wheel (MPG) is not working. I have checked the PLC is no problem, try to replace the MPG the results are still the same. I think it is most likely the problem is on "Bit select" but I do not know what bit to...
  19. S

    Emco VMC 200 help

    ET-242 & VMC-200 Main Drive Trouble Dear All Whether there are familiar with EMCO ET-242 and VMC-200 ? I really look forward to your help. A few months ago our school bought two used EMCO machines (VMC-200 and ET242). The first time ET242 is turned on, there is no writing on the monitor...
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