On Thursday 29 August 2019 14:23:57 Gene Heskett wrote: > On Thursday 29 August 2019 13:31:33 Peter C. Wallace wrote: > > > Yes, you can see page 2 of the 5I25 manual: > > > > > > W1 (P2 POWER ) W2 (P3 POWER) > > > UP UP BREAKOUT POWER ENABLED > > > DOWN DOWN BREAKOUT POWER DISABLED > > > (DEFAULT) > > And you, Peter, should be happy to know that all the 7i76 needed was a powerdown reset, the machine seems to be running normally now. I pulled the 3 wires hitting TB3 and wire nutted them together, made sure the jumpers were as below, and linuxcnc -l came up running normally. So now I have spare cards that s/b here tomorrow afternoon. Thank you for the prompt service.
> > Note that you also need to set the 7I76/7I76D in the correct mode: > > > > W2 left = gets 5V power from 5I25 > > > > W2 right = needs external 5V power > > > > Non-mesa cards can never use the FPGA supplied 5V option so W1 > > should be down > > > > The 7I76s 5V should come from the 5I25 = 5I25 W2 UP 7I76 W2 LEFT > > Got that all scribbled on the manuals front pages, plus disconnecting > my 5 volts from TB3-21&22 so it doesn't feed back into the computer. > > Field power should remain the same unless that can confuze things. > Thats a separate 15 volt supply, not switched, although it could be > plugged into the power strip that controls all the motor power. Should > I? I think the boxes line cord will reach. Maybe, its a scrap. No > bets. :) > > I think that covers it but dbl-check me. > > I'd also point out to Peter that the scale of the drawings in the 7i76 > manual needs to be expanded. The only text on page 52 thats readable > is the Mesa, all the other lines are so thin they're lost in a > 1200x1200 printout. It all looks like its scaled for a readers digest > sized page, and gets lost on an 8.5x11 page. I can scale it up, but > forgot to this time. > > Cheers, Gene Heskett 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