On Monday 20 July 2020 10:57:30 Matthew Herd wrote: > Thanks for the input Jon, Andy, and Scott. Unfortunately, it already > counts positive in the clockwise direction, so that’s not it. I’ll go > through Jon’s list of suggestions step by step when I get back to the > machine in a few days and let you know how it goes. I also realized > that a spindle braking resistor will be necessary because the G33.1 > motion doesn’t engage the mechanical brake on deceleration. That was > something I hadn’t accounted for, but I have one on order now. > > Matt > Jon's (Pico Systems) pwm-servo is a full 4 quadrant controller, without a brakiing R, it will charge the caps in the supply from 125 to about 160 but turns my 1 hp PMDC motor on my GO704 around in about 400 milliseconds. If your supply is higher than mine, and it probably is, talk to Jon about the higher voltage. > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
