hey jon I actually have some of your servo drives here at the moment. they look pretty good. I haven't used them yet as they are two small and the chinese stuff runs straight from 400v three phase so I don't need a transformer.
On Mon, Apr 6, 2020 at 1:47 PM Jon Elson <[email protected]> wrote: > On 04/05/2020 03:48 PM, andrew beck wrote: > > thanks for the replies guys. I am currently seeing what cards JT has > that > > I can get. > > > > I have another question though. > > > > I also have a slant bed cnc lathe here that I am going to retrofit > next. I > > will need at least 2 axis of stepgens and a 0-10 volt spindle output. I > > will want to bring the encoders back to the control on this also so need > at > > least 2 encoder counters plus spindle encoder. The reason I go for the > > step-dir servos is that it costs a extra 80usd per axis to get the analog > > control option from the servo supplier and that adds up when you start > > getting lots of servos. also step and dir is really easy to get started > > with open loop. > > > > If I started from scratch and didn't have any mesa cards available what > > would you guys recommend? > > > > I am quite happy to chop and change cards with my cnc mill if that helps. > > Just want the cheapest and easiest option to set up. probably ease of > > setup is more important than saving a little money. > > > There is also the Pico Systems Universal Stepper > Controller. Runs off the parallel port, has > 4 step generators and 4 encoder counters that can read > encoders or the steps being sent. > A $50 option gives analog spindle output. Also, 16 > opto-isolated digital inputs, and place > to put up to 8 SSRs for digital output. (Full disclosure, I > make these.) > > Jon > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
