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Thread: M-Stops and starts

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  1. 09-25-2008, 05:04 PM #1
    shane.vella
    shane.vella is offline Registered
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    M-Stops and starts

    After all is said and done with wiring up a relay through a pc and runing mach3...does anybody know how to make the relay turn on and off at fluctuating times during the run time of a project...basically I want to run a vacuum but not for the full duration of the job....rather every 5 mins...

    thanks
    cncguy
    toronto
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  2. 09-25-2008, 07:48 PM #2
    Al_The_Man's Avatar
    Al_The_Man
    Al_The_Man is offline Community Moderator
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    If you do not want to be bothered to place M codes throughout, the practical way may be to place an external hardware timer relay that would replace the normal on/off relay and it would cycle on/off at preset times,
    It would be picked up by a M code at the start of the pgm and another at the end to disable it.
    I am not sure if Mach has a software timer function to implement this in software?
    You could also place an external bybass toggle switch to effect a continuous on time.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.
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