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#2
05-09-2008, 12:35 PM
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| Won't work with software that sends step and direction signals to the parallel port. You're best bet , if using Mach3, is the Smoothstepper, which will give you two parallel ports from a USB connection. www.warp9td.com
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)  |
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#4
05-09-2008, 01:12 PM
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| I tried to use them and found them impossible to get more than a few hundred steps per second out with any fidelity. The problem stems from a one(1) millisecond latency on the USB data channel. That is it can take up to .001 second for the data to be presented to the pins of the parallel port after the processor command to do so is executed. Dennis http://www.super-tech.com Last edited by ger21; 05-09-2008 at 07:12 PM. Reason: advertising |
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#6
05-11-2008, 07:09 PM
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| Some have used them, and some have had trouble. They should work, but there's no guarantee.
__________________ Gerry Mach3 2010 Screenset http://home.comcast.net/~cncwoodworker/2010.html (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management) |
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