Thanks Gene. I too dabbled in Amiga ARexx back in the day. I was / still am a Commodore aficionado. To this day, I have working Amiga, C-128, and C64 hardware. I prefer Assembly Language over BASIC for obvious reasons with speed being foremost among them. But I digress...
I ended up building a reversing cirucuit with a Tyco 12v DPDT relay capable of 15a / 30 VDC switching. So long as I don't attempt a direction flip that exceeds those max ratings I should be good. I've tested 800 rpm CW - CCW -CW without so much as a batted eye -- it was quite smooth with the delays factored in and all. Quite happy with this setup. I have the added bonus of a semi brake action on the CCW motion. An M5 will stop that rotation quite quickly due to the the mc2100 power off which kills the slow decell ramp built-in with that board. Now to move on and dial-in the RPM reading in PY Panel. My scale / range is not set right. I can turn the RPM at 50 or less and it shows 200 rpm on the Pypanel. Cheers! On Tue, May 19, 2020 at 4:01 PM Gene Heskett <ghesk...@shentel.net> wrote: > On Tuesday 19 May 2020 16:15:31 Dan Henderson wrote: > > > Update for everyone. I now have two working relays controlling the > > operation of the spindle motor via BOB and Parallel Port. I've also > > now successfully tested the G33.1 Rigid Tapping cycle with this setup. > > > > Relay #1 is used to power on/off the motor controller board (MC2100). > > (M5 or S0 triggers off, M3 or M4 triggers on) > > Relay #2 is used to reverse the polarity of the spindle motor > > providing CCW operation. (M4 Triggers on, M3 or M5 triggers off) > > > > In order to get these functioning properly, I had to implement two > > different "timerdelay" functions in HAL. > > One delay is needed to allow the MC2100 board to power on and > > initialize before PWM signals are sent. > > > > The second delay is needed to slow down the reverse polarity relay in > > order to ensure the motor controller is properly powered off before > > allowing the relay to flip back to normal polarity. Otherwise the > > spindle would flip rotation to cw once triggered. > > Glad you have it sorted. :) > > > HAL may not be the easiest to understand, but it can do some amazing > > work if you figure it out! > > > I have only found one other language more versatile than hal, arexx on > the amiga, but it had hooks into the deepest workings of amigados that > hal will never have. It is IMNSHO, the best language that linux itself > will tolerate in the same building, very very little it cannot do. > > > Thanks for all the help on this thread! > > > > Dan > > > 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 > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
