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IndustryArena Forum > CNC Electronics > Spindles / VFD > PWM not allowing max spindle speed

Thread: PWM not allowing max spindle speed

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  1. 11-23-2019, 10:25 PM #21
    BJM737
    BJM737 is offline
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    Re: PWM not allowing max spindle speed

    I am having a similar problem I think. Whenever we try and increase the speed of our spindle using the Mach3 software it does not stop until it reaches the maximum speed. Any ideas as to why we cannot control the speed. We have a KL-6590 CNC machine with a Furing DZB300 series inverter. I do not know the brand of the breakout board is, but it is a bi-directional parallel BOB.
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  2. 11-24-2019, 06:30 PM #22
    mactec54
    mactec54 is offline Member
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    Re: PWM not allowing max spindle speed

    Quote Originally Posted by BJM737 View Post
    I am having a similar problem I think. Whenever we try and increase the speed of our spindle using the Mach3 software it does not stop until it reaches the maximum speed. Any ideas as to why we cannot control the speed. We have a KL-6590 CNC machine with a Furing DZB300 series inverter. I do not know the brand of the breakout board is, but it is a bi-directional parallel BOB.
    First you have to see if the PWM and analog 0-10v is working this is at the your Breakout Board is where you need to check this if this is not working the VFD is not going to respond to anything but what ever that output is
    Mactec54
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