> On 18 Sep 2016, at 09:46, Frederic RIBLE <fri...@teaser.fr> wrote: > > This Fanuc drive will be in runaway condition if it does not receive a > velocity feedback. > It has an internal analog closed loop
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Internally it compares the feedback and command voltages. If both signals are generated by LinuxCNC from the same encoder in the same thread then you are using two analogue channels to provide a voltage difference when you could use one, at least in theory. As this is a lathe and you have 4 channels available the inefficiency probably doesn't matter. ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
