Thanks Andy! ----- Original Message ----- From: "Andy Pugh" <a...@andypugh.fsnet.co.uk> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> Sent: Sunday, March 21, 2010 12:46 PM Subject: Re: [Emc-users] G52 and Fanuc conversion to EMC
> On 21 March 2010 15:39, Paul Keeton <pkeet...@woh.rr.com> wrote: > >> Each VFD requires a minimum of 70ma to run. We had to put >> a small phoenix contact amp on it to boost the analog signal to run all >> three drives on that machine. > > 70mA is quite a lot, really. However there are op-amps that can handle > that amount of current (and being op-amps are perfectly happy on a > double-rail supply for +/-10V operation. > > http://docs-europe.origin.electrocomponents.com/webdocs/0024/0900766b80024697.pdf > > Would do the trick, it could probably be mounted in heat-shrink in the > cable, though there are clearly neater ways. > > -- > atp > > ------------------------------------------------------------------------------ > 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 > Emc-users@lists.sourceforge.net > 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
