On Fri, 8 Aug 2014, Marius Liebenberg wrote: > Date: Fri, 08 Aug 2014 17:08:06 +0200 > From: Marius Liebenberg <[email protected]> > Reply-To: "Enhanced Machine Controller (EMC)" > <[email protected]> > To: [email protected] > Subject: Re: [Emc-users] Spindle control with 7i76 > > > On 2014-08-08 17:01, Peter C. Wallace wrote: >> On Fri, 8 Aug 2014, Marius Liebenberg wrote: >> >>> Date: Fri, 08 Aug 2014 16:54:20 +0200 >>> From: Marius Liebenberg <[email protected]> >>> Reply-To: "Enhanced Machine Controller (EMC)" >>> <[email protected]> >>> To: [email protected] >>> Subject: Re: [Emc-users] Spindle control with 7i76 >>> >>> Thanks Peter this solution works just great. I cannot get my drive to >>> recognize the analog input but that is a setting that is fooling me >>> somewhere. >>> While measuring the voltage on the spinana signal I noticed that it >>> stays at 0v when in reverse mode. I expected it to go positive for both >>> directions. >>> I also noticed that on halshow it does go negative. Must I fiddle the >>> spindle out signal in any way or is it supposed to be always positive >>> seeing that it simulates a pot? >>> >> >> You need to use the absolute component to force the spindle output to >> always be positive. >> > Thanks I will do that. > > While you are online, please. I take it that I have to use the velocity > from the spindle encoder to get the spindle speed synchronized? What do > I connect it to? >
http://linuxcnc.org/docs/html/examples/spindle.html Has the general connections, just need to change signal names for the 5I25/7I76 Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
