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IndustryArena Forum > CNC Electronics > Spindles / VFD > Allen Bradley vfd program for mach3 control

Thread: Allen Bradley vfd program for mach3 control

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  1. 07-17-2017, 12:01 PM #1
    Junaidzia
    Junaidzia is offline Registered
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    Allen Bradley vfd program for mach3 control

    I have generic mach3 breakout board and i am using powerflex40 vfd i have tried everything but i can't control spindle speed from software.
    Breakout board has inbuilt pwm control.
    My doughts are
    Do i need more extra peripheral electronic?
    Do i need replace breakout board with more relays?



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  2. 07-17-2017, 11:19 PM #2
    mactec54
    mactec54 is offline Member
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    Re: Allen Bradley vfd program for mach3 control

    Quote Originally Posted by Junaidzia View Post
    I have generic mach3 breakout board and i am using powerflex40 vfd i have tried everything but i can't control spindle speed from software.
    Breakout board has inbuilt pwm control.
    My doughts are
    Do i need more extra peripheral electronic?
    Do i need replace breakout board with more relays?
    ( 1 ) relay is enough, for forward and the 10v PWM control is all you need, set up Mach3 to turn on the relay and control the PWM output, then you will be ready to connect it to the VFD
    Mactec54
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