i had the same problem with my chinese db 25 and just inverted the pins in my hal file as i had already mounted it and access wasnt the best
On Tue, May 28, 2013 at 5:51 AM, Bruce Layne <[email protected]>wrote: > http://youtu.be/iiuTNsUVC0A > (lame 30 second motor jogging video) > > YouTube isn't letting me edit the video description. :-( > > I finally wired enough of the electronics that I was able to jog the X > axis using LinuxCNC. I'm liking the JogIt pendant. It's very handy. > > I bought the larger NEMA 23 stepper motors, stepper motor drives, > stepper motor power supplies and the DB25-1205 optoisolated parallel > port breakout board as a kit from a Chinese company on eBay. There was > no documentation. It's not rocket science, but there should have been a > minimal system schematic of these components, both for the optoisolated > power supply version and for using the PC power supplied outputs to the > optoisolated inputs on the stepper motor drives. > > Apparently, the stepper motor drive's ENABLE signal actually disables > motion on that axis. Unwired, there is an internal pullup to enable > motion. Wiring +5V to the ENABLE+ signal and 0V to the ENABLE- signal > disables motion! It took me a couple of minutes to debug that > undocumented feature. Something must have been lost in the translation. > > Now that one axis is debugged and moving, I can wire the rest of the > electronics, mount the electronic control panel on the side of the > router table base and dust collection enclosure, permanently wire the > motors and fluorescent lights and power cord, mount the spindle motor > and finish wiring it, run the 4" flex hose for the dust collection > system, install the water cooling for the spindle motor and cross this > project off as #1 in my Summer Of Projects. Most of the parts are > purchased for the other projects. Just need to get a Round Tuit. > > 2) Build my very simple CNC Sherline Mini Lathe. > > 3) Finish building the back yard shed. > > 4) Build the CNC laser. > > 5) CNC conversion for my Grizzly G1006 benchtop milling machine. > > 6) CNC conversion for my Clausing 10X24 lathe. > > 7) Finish assembling my two Hadron ORD Bot 3D printers. > > It should be a fun Summer Of Projects. > > > > > ------------------------------------------------------------------------------ > Try New Relic Now & We'll Send You this Cool Shirt > New Relic is the only SaaS-based application performance monitoring service > that delivers powerful full stack analytics. Optimize and monitor your > browser, app, & servers with just a few lines of code. Try New Relic > and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_may > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- We conclude that the Second Amendment protects an individual right to keep and bear arms. That right existed prior to the formation of the new government under the Constitution and was premised on the private use of arms for activities such as hunting and self-defense, the latter being understood as resistance to either private lawlessness or the depredations of a tyrannical government." - U.S. Court of Appeals, D.C. Circuit, March 9, 2007 jeremy youngs ------------------------------------------------------------------------------ Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET Get 100% visibility into your production application - at no cost. Code-level diagnostics for performance bottlenecks with <2% overhead Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap1 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
