Thanks for the link - they seem to be compatible with the inductosyn type scales.. That is a generation newer than our scales. I did email them for s and g's - but have not heard back
Dave wrote: > Sam did you get any info from that company in Detroit who has the > converter boxes? At the time, I thought the cost was reasonable > considering it is a tested unit. > > Dave > > On 4/16/2010 2:00 PM, sam sokolik wrote: > >> the main thing is that it is already on the machine... To replace them >> with something new would require a total disassemble of the saddle and >> table.. We will be using the encoders on the servos for position >> initially - the scales will be more of an experiment... ;) >> >> We just found this... >> http://www.google.com/patents?id=NqpNAAAAEBAJ&printsec=drawing&zoom=4#v=onepage&q&f=false >> >> Gives a better block diagram... (it is a patent to add temp comp to the >> circuit...) >> >> sam >> >> On 4/16/2010 12:50 PM, Jon Elson wrote: >> >> >>> Andy Pugh wrote: >>> >>> >>> >>>> However, I think just applying a 250Hz square wave and an oscilloscope >>>> should at least tell you what comes out of the terminals and then you >>>> can figure it out from there. A $15 Arduino with a power OP amp can >>>> produce the excitation, sample the output, time it to 62nS resolution >>>> and convert it to encoder-style pulses. >>>> >>>> >>>> >>>> >>>> >>> The drive excitation has to be VERY carefully balanced, as the output >>> signal is MUCH smaller than the drive. >>> Other than that, yes, you could probably build a modern circuit with >>> good micro or FPGA to do all the counting, etc. >>> Not completely sure it is worth it. >>> >>> Jon >>> >>> ------------------------------------------------------------------------------ >>> Download Intel® Parallel Studio Eval >>> Try the new software tools for yourself. Speed compiling, find bugs >>> proactively, and fine-tune applications for parallel performance. >>> See why Intel Parallel Studio got high marks during beta. >>> http://p.sf.net/sfu/intel-sw-dev >>> _______________________________________________ >>> Emc-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >>> >>> >>> >> ------------------------------------------------------------------------------ >> Download Intel® Parallel Studio Eval >> Try the new software tools for yourself. Speed compiling, find bugs >> proactively, and fine-tune applications for parallel performance. >> See why Intel Parallel Studio got high marks during beta. >> http://p.sf.net/sfu/intel-sw-dev >> _______________________________________________ >> Emc-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.437 / Virus Database: 271.1.1/2814 - Release Date: 04/16/10 > 06:31:00 > > ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
