On Fri, 2008-05-09 at 21:20 -0700, Kirk Wallace wrote: > Last month I had a thread going concerning reverse engineering my Bandit > stepper drives. Someone on CNCZone had a schematic for these drives. In > case anyone is interested I have a link here: > > http://www.wallacecompany.com/machine_shop/Shizuoka/Driver% > 20Schematic1.jpg > > It's not very legible but it's much better than what I had. There don't > seem to be many examples of stepper drives with this voltage and current > in the hobby arena so I thought it might have some value. > > My original power supply puts out 45 Volts DC to the drivers, but also > had windings for plus and minus 12 Volts for the logic boards. Since I > don't need to other windings, I was thinking I could switch to a toroid > transformer I have on a shelf, which is smaller and doesn't waste any > extra windings. I am guessing the toroid will end up putting out 55 > Volts DC though. What would be the ramifications of an extra 10 Volts? > Also the present filter capacitor is 10,000 uF. That seems a little > small, but I suppose Bandit know better than I would. Is there a rule of > thumb on this? Thanks. >
Hopefully this link won't wrap: wallacecompany.com/machine_shop/Shizuoka/Driver%20Schematic1.jpg ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
