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General Mach Discussion / Re: Gantry Router
« on: June 13, 2013, 03:46:39 PM »
Ian/Brett,
I have changed all step signals to active low, and......it seems to have worked. I set up the height gauge on its side again and did several runs on the x axis. Over 200mm in mach, the gauge read a constant 199.85, although its not on the mark i can play about with the steps per to get that right, but i am relieved and very thankful to you both, this was really getting to me! Can i ask why the stepper drivers i have need to run on active low? also,, what is "optos"?
I will play about with it more at weekend and let you know how its performing, maybe with some pics if i can get to grips with the upload of them!
William
I have changed all step signals to active low, and......it seems to have worked. I set up the height gauge on its side again and did several runs on the x axis. Over 200mm in mach, the gauge read a constant 199.85, although its not on the mark i can play about with the steps per to get that right, but i am relieved and very thankful to you both, this was really getting to me! Can i ask why the stepper drivers i have need to run on active low? also,, what is "optos"?
I will play about with it more at weekend and let you know how its performing, maybe with some pics if i can get to grips with the upload of them!
William