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IndustryArena Forum > Machine Controllers Software and Solutions > Fanuc > Editing the pmc program of the center device with fanuc 18mc controller
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  1. #1
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    Oct 2022
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    Editing the pmc program of the center device with fanuc 18mc controller

    I have a machine with fanuc 18mc controller, I want to use spindle speed (set point & actual) in pmc program. Is there a solution?

  2. #2
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    yes,you can save the ladder with and S-RAM 4Mb CARD and open it and edit it with the Fapt Ladder software,recompile and put back into machine
    Good luck.

  3. #3
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    Thanks for your tips. Currently, I am using the above method to edit the pmc program, but currently I do not know the data (parameter) of the spindle speed in the pmc program. Can you help me more?

  4. #4
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    You have to grab a PMC Programming manual or get a guy who is sensei in PMC so will help you
    That function will need some data to store somewhere so is not easy
    i attach a page from PMC manaula where is described the function

    Attachment 485800

  5. #5
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    Can you post your ladder? I assume that if the spindle speed is less than commanded speed that we want to stop the machining with an alarm. In case of a broken belt. I posted the Fanuc manual for the spindle. Read through it and you may find other answers to your problem. The spindle gets pretty deep and it's going to take some trial and error to accomplish what you are trying to do. Maybe add a switch that counts the rotation of the spindle?

  6. #6
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    Thanks for all your help. Can you help me more?

  7. #7
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    Oct 2022
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    Re: Editing the pmc program of the center device with fanuc 18mc controller

    Currently, it does not execute G01 codes when the spindle motor stops, but the program executes when the mechanical connection between the motor and the spindle motor is broken, causing the tool to break or collide with the workpiece.

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