I looked at our renishaw knock off for about 15 minutes then decided to pull the Glue mystery out and use the contacts..
http://electronicsam.com/images/KandT/probe/DSCF1507%5B1%5D.jpg http://electronicsam.com/images/KandT/probe/DSCF1508.jpg I do have to plug it in - but I got working a lot quicker than I would have otherwise... (btw - I don't know how I lived without one...) https://www.youtube.com/watch?v=U61ub6mtpH4 sam On 4/10/2013 7:56 AM, andy pugh wrote: > I have bought a Renishaw touch-probe. > > It has an inductive interface to connect to the controller, described > in patent GB2025073 > It appears that an LC circuit in the probe is shorted out by the probe > contacts when there is no contact. > All fairly simple, though finding what the resonant frequency is is > probably important. > > I am trying to think what might be a suitable device for the > "receiver". I guess I could wind a couple of sets of windings round a > ferrite, but there is probably something off-the-shelf that will work. > > I am even pondering the idea of sensing it with a spare Resolver > output from my Mesa 7i49 card. I suspect that if I had three windings > on the ferrite, with one further away from the probe than the other > then I would see a shift in apparent resolver angle, and could use > that as my probe input. > Maybe air-core would work better? > ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
