Fortunately my probe came with a nice Installation/User Guide that includes dimensioned drawings, recommended torque on all screws, etc, etc. I've removed my probe from the CAT40 mount so my first project is to make a TTS sized mount so that I can actually spin it.
> -----Original Message----- > From: Jon Elson [mailto:el...@pico-systems.com] > Sent: Thursday, March 02, 2017 12:13 PM > To: Enhanced Machine Controller (EMC) > Subject: Re: [Emc-users] snagged touch probe on eBay - anybody know how to > interface ? > > On 03/02/2017 08:14 AM, Chris Radek wrote: > > On Wed, Mar 01, 2017 at 01:44:34PM -0500, Ken Strauss wrote: > >> I recently got a Renishaw MP7 IR probe from eBay. Has there been any > >> further success with reverse engineering the interface? According to > >> the manual that came with my probe it is turned on/off by briefly > >> spinning it at 500 rpm to actuate an internal centrifugal switch. It > >> uses a standard 9v battery. The recommended interface box is an MI7 + > >> OMM. There are reasonably priced MI7 on eBay but the OMM listing are > about $1000! > > Weird - I'm pretty sure mine is a MP7, and it is turned on and off > > with a signal over the IR. I have the OMM+MI7 interface. > > > > Of course to receive the signal, some part of it has to be alive all > > the time, but it isn't sending and the battery lasts a good while. > > > > I have never spun it. The very idea makes me shiver. > > > > > 500 RPM doesn't sound too dangerous, but have the machine in the wrong > gear, and "OOPS!" > Yeah, that was the hardest thing to figure out on the Blum probe, how to turn > it on???? > I also expected there'd be a turn on code and a turn off code, but as far as I > could tell, it takes a burst of pulses at a particular rate for about 1/4 second to > toggle it from on to off. Once I got it turned on, the data pattern was pretty > obvious. > > One thing you want to do is detect loss of data from the probe, and set feed > hold. > > Jon > > ---------------------------------------------------------------------------- -- > Check out the vibrant tech community on one of the world's most engaging > tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
