> From: Jon Elson [mailto:el...@pico-systems.com] > > > You can also get dedicated quadrature to tach converters > (although they are kind of expensive) > that could have as much bandwidth as you want. I've been > thinking about making this one of my products for quite some > time. TOO BAD they discontinued the L290 chip, which did it > all. > > Jon
Googling L290 with Counter or Quadrature doesn't yield anything. Got any more details? I have an LS7266R1 which is a 24 bit dual axis quadrature interface and 3 LS7066 from an old project used to track drilling rig heave on floating platforms. We'd track the distance to a weight on the ocean floor by counting revolutions of the pulley wheel and the distance the drill string was lowered by the encoder on the drill string cable. The difference between the two counts was used to adjust the drill string cable so the weight on the drill was maintained regardless of ocean conditions. Boy that was a long time ago... Joh Dammeyer > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
