I dont know your board and driver but did come across an incompatibility between a bob and driver where both have the LED series resistor needed meaning the opto in the driver is not driven hard enough.
Dave Caroline On 20/02/2014, Marius Liebenberg <[email protected]> wrote: > 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 > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
