> > > Does that mean it requires 4 inputs per motor? Or would this somehow be > > normalized into STEPs and DIRs? Or what does LinuxCNC expect? > > The encoders are quadrature, so the diff is low, but the splitter could > easily turn that signal pair into a TTL level signal. In fact, and not > for a 3 phase setup, I'm doing that conversion mid-cable on my Go704. > Using $2.50 rs485 interfaces solder programmed for 1 way only signaling. >
You provide the encoder signals via RS485 to LinuxCNC? > > > The splitting would not work for the servos that have the driver > > integrated though. > > Why not? > There are no pins to connect to :) At least not until one would "fix" that inside the driver itself. And I am not so eager to do that. > > It sounds like the ideal LinuxCNC setup would be a very dump driver > > (without encoder support) and a stepper/servo with just an exposed > > encoder. And then have LinuxCNC take care of everything. > > > Does that sound about right? > > See wiki.linuxcnc.org, Anything in particular? I've been browsing there for a while. > its been done around a decade ago. Nyquist related > phase errors I believe limited the speed, but might work better feeding > mesa stepgens and encoders since they're much faster than software. > Now I am confused. So that would NOT be a recommended setup? I am slowly running out of ideas what is :) _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
