86 mc1 10M Drip Feed issue


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Thread: 86 mc1 10M Drip Feed issue

  1. #1
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    Default 86 mc1 10M Drip Feed issue

    Hello all,
    I posted this in a Fadal thread dealing with DNC, but perhaps my target audience is here.

    I have searched and tried everything I can think of to no avail. Hopefully someone here has seen something similar.
    '86 Kitamura MC1, Fanuc 10m, old desktop running XP. Smart DNC software.
    When I initially started trying to drip feed to the machine, I was getting buffer overflow alarms.
    I slowed the baud rate, increased the delay, etc. and still had no luck.
    I began searching the web forums and product pages for more information. DNC software companies have parameter settings
    for my control posted (what works well with their SW), so I tried changing things in mine. I have only made it worse.
    When I try to drip a program now,I usually get a few characters followed by PS125 ILLEGAL EXPRESSION FORMAT alarm.
    I cannot even figure out what I changed to get it to this point. When I pull all the safety lines out of the top of the program it will send in perhaps
    100 characters or so at once before displaying the PS125 alarm. I recorded what it received due to it erroring out so quickly. The video shows the first
    maybe 15 lines of the program but all 1s and 7s are missing. I drip fed this machine years ago so I know it can do it but I have fubared the thing so badly
    I'm out of ideas.
    Also, I am able to transfer complete programs into the machine without issue using my current port and DNC settings/machine parameters.

    If any gurus here can offer me some advice I will be most grateful.


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  2. #2
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    Default Re: 86 mc1 10M Drip Feed issue

    Just an update to help anyone in the future:
    I sent a full program into the machine this morning to verify the code was not getting garbled.
    Previously, I had just sent the program and found no alarms, but had not looked it over to verify the code came through correctly.
    The full program was also corrupt with no 1s or 7s, etc. I then figured it was interference.
    I found the computer cabinet had been pushed back and the RS232 Yost cable was only about two feet from the electric motor of the phase converter.
    I rolled the cabinet a foot or so further from the motor and sent a program to the machine with no missing code.
    Maybe this helps someone with a similar problem one day.
    -James

    Last edited by JolietJames; 12-08-2019 at 01:15 PM. Reason: clarification


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86 mc1 10M Drip Feed issue

86 mc1 10M Drip Feed issue