Need Help! NEW M code for fanuc Oi


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Thread: NEW M code for fanuc Oi

  1. #1
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    Question NEW M code for fanuc Oi

    I want to write a new M code to set a PMC out put .
    How can I do it ? which documents I should read?
    thaks

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  2. #2
    Community Moderator Al_The_Man's Avatar
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    Default Re: NEW M code for fanuc Oi

    This is done in the ladder.
    I can't recall if the 0i has an eprom like early 0 versions, but if so, you need an eprom burner and programmer.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

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    Default Re: NEW M code for fanuc Oi

    the 0i series has its own FROM module where are the system files and the PMC.The changes ca be done in the machine soft,entering in the PMC and edit it .



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    Default Re: NEW M code for fanuc Oi

    Thanks for your reply
    I want to connect a barfeeder to our CNC machine is it possible to set an out put and read an Input of PMC in CNC program?



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    Community Moderator Al_The_Man's Avatar
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    Default Re: NEW M code for fanuc Oi

    The CNC and PLC side communicate via a bus called the BMI, where codes are passed either way, for the CNC to send to the PLC, F functions are used, for PLC to CNC, G codes are used.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
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    Question Re: NEW M code for fanuc Oi

    Quote Originally Posted by Al_The_Man View Post
    The CNC and PLC side communicate via a bus called the BMI, where codes are passed either way, for the CNC to send to the PLC, F functions are used, for PLC to CNC, G codes are used.
    Al.
    Thanks for your reply I AM LOOKING FOR cnc program instruction so I CAN READ pmc input and write to PMC OUT PUT
    thanks



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    Default Re: NEW M code for fanuc Oi

    I think what everyone is saying is that even if you had CNC program instructions you still need changes done in the PMC to make it all work.
    More than one signal will be needed to accomadate a bar feeder safely.
    Al_the_man has given you good instructions.



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    Member MysticMonkey's Avatar
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    Default Re: NEW M code for fanuc Oi

    Quite often decent MTB's will have additional Mcodes pre defined in the PLC usually a latched type or a oneshot. Barfeeder integration should be much more than just an m-code with alarm codes for faults as well.
    You would need software to decompile the fanuc PMC and knowledge of PLC ladder code.

    First step would be extracting the PMC from your 0i this is easiest done from the PMC menu, which version 0i do you have TB, TC, TD, TF, TF PLUS ?

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