Rusty Have look at the pulse width requirements of your BOB and driver board. You can set it in the HAL file
Look here as well: wiki.linuxcnc.org/cgi-bin/wiki.pl?Stepper_Drive_Timing http://linuxcnc.org/docs/html/config/stepper.html http://www.linuxcnc.org/docs/2.4/html/hal_parallel_port.html On 2014-02-20 17:37, Rusty Russell wrote: > I am rather new to this, and I don't know of anyone locally to help > (Huntsville, AL area). Using a Sain Smart B.O.B and Driver boards. All > three axes work correctly when instructed to traverse in a negative > direction, however, when instructed positive, only travel half the > distance. I have tried using MACH3 to see if the problem was LinuxCNC, but > I haven't been able to get the trial copy I have to move anything yet. I > ordered a replacement B.O.B. and it should be here tomorrow, to see if this > one is broken. I know the driver boards work, as they came from another, > smaller build, that B.O.B. has been lost, though. > > Thank you for any help, > Rusty > -- Regards /Groete Marius D. Liebenberg +27 82 698 3251 +27 12 743 6064 ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users