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  1. #1
    Join Date
    Jan 2004
    Posts
    668

    Question About Spindle Control

    If Mach 3 controls the spindle, and that spindle has a power supply, is it wise to have an on/off switch for that power supply ??

  2. #2
    Join Date
    Dec 2003
    Posts
    24216
    Usually this would be turned off by the E-stop relay?
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

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

  3. #3
    Join Date
    Jan 2004
    Posts
    668
    I digress, does Mach 3 turn on the power to the spindle automatically, even if I haven't called for it.? Have I communicated what I'm asking correctly?
    When I, power up Mach 3 on my computer, does it take over all selected and configured aspects, including powering up any, and all accessories, such as a spindle. ?
    I have not added an E Stop as of yet. I know I must get one soon!

  4. #4
    Join Date
    Dec 2003
    Posts
    24216
    Normally Mach would only control the spindle through M3/M4/M5 or if an E-Stop was issued from the PC, in the latter case, the E-Stop should also be included in the hardware E-stop string which in turn would shut down the spindle.
    Also the E-stop string should be held off until Mach comes on line, in order that sudden activation of the spindle while booting does not occur.
    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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