I have had good luck with a Motrona SI251. It converts sin/cos to quadrature. It has many settings and works quite well for reading a fanuc spindle motor encoder. I think Motrona has a few different types of converters.
https://www.motrona.com/en/products/signal-converters.html On Tue, Jun 14, 2022, 4:56 AM andy pugh <bodge...@gmail.com> wrote: > On Tue, 14 Jun 2022 at 09:36, Hans Unzner <hansunz...@gmail.com> wrote: > > > If you have direct access to the resolver it would be worth a thought to > > use a "resolver to digital converter", e.g. something like this: > > https://www.analog.com/en/parametricsearch/10890#/ > > Then you can connect the encoder emulation output to LinuxCNC. > > Most Resolver converters (including the Mesa 7i49 and the STMBL drive) > expect to be supplying the excitation signal and read the output > synchronously to that signal. > If the drive is already supplying the excitation most of the > off-the-shelf converters won't work. > > Also, the Magnescales have a much finer pitch and are on the actual > slides, so there is no worry about backlash between the motor and the > table. > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-developers mailing list > Emc-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-developers > _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
