The purpose of glass scales is to prevent positioning failures (and be precise as hell). i think all you have to do is wiring the glass scale wo your machine, configure linuxcnc so that it reads the glass scale and off you go :)
Does Machinekit support linuear quadrature encoders with multiple index > marks? that i dont know Am Mittwoch, 4. Januar 2017 14:06:02 UTC+1 schrieb Frikkie Thirion: > > Good day, > > I've got a pick & place machine equipped with DC servo motors and 20 um > glass scales for position feedback. > > The scales have index marks at approx. 15 cm intervals. The index marks > are used to compensate for any > counting errors since the previous index positions. > If, say, only 7300 ticks were counted by the encoder when the next index > mark is reached, the controller should > compensate by adding the difference (7500-7300) to the raw position count > when moving in the positive direction > or subtract the difference when moving in the negative direction. > > Does Machinekit support linuear quadrature encoders with multiple index > marks? > > Regards, > Frikkie > > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
