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Messages - ljcox

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General Mach Discussion / Re: Mach3 closed loop speed control
« on: October 30, 2010, 04:24:38 PM »
Thanks Hood,
That gives me a clue as to what to look for.

General Mach Discussion / Mach3 closed loop speed control
« on: October 30, 2010, 02:40:53 AM »
I'm trying to help a friend who has a CNC machine.

He wants to use the Mach3 closed loop speed control to control the speed of his router.

I know very little about Mach3 - I'm giving him advice on the electronics issues.

Could someone please point me to a description of what type of feedback signal the Mach3 PWM speed control needs.

I assume it is pulses derived from an optical shaft speed detector.

Also, how is it connected to the computer?

I have a copy of Mach3Mill_Install_Config.pdf but it lacks detail on the speed control function.

Any advice will be appreciated.

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