Thank you both for the help and quick response. I will try this tonight. Glenn
-----Original Message----- From: Terry [mailto:[EMAIL PROTECTED] Sent: Monday, September 22, 2008 7:35 PM To: '[EMAIL PROTECTED]; [EMAIL PROTECTED]; EMC)' <[email protected]> Subject: Re: [Emc-users] Spindle command voltage I run +/- 10V on a VFD using a Mesa board Here is what I did #Spindle speed from DAC 03 scale newsig spinspeed float linksp spinspeed <= motion.spindle-speed-out linksp spinspeed => m5i20.0.dac-03-value linksp spindle-run-request => m5i20.0.dac-03-enable I hope this helps Terry On Mon Sep 22 23:41 , Anders Wallin <[EMAIL PROTECTED]> sent: > >take a look at motion.spindle-speed-out with halmeter. >it should have both sign and a value equal to what you program with M4Sxxx. >You could then simply scale motion.spindle-speed-out so that your >maximum rpm gets converted to a value of 10, and then wire this HAL >signal to your DAC. > >> I have been reading the documentation and searching the web site, and it >> seems that EMC is generally configured for a 0-10v signal to run the >> spindle with outputs controlling the direction. The mode that I would >> like to run my Baldor spindle drive in requires that the signal be >> +/-10v (-10v being full reverse and +10v being full forward). What is >> the easiest way to get the M04 to output negative voltage. I know that >> there are a number of ways to do this with relays, but it seems logical >> that the Motenc board should be able to output the negative voltage for >> reverse rotation. As I am short on I/O's, I hate to give up even one if >> I don't have to. > >------------------------------------------------------------------------- >This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >Build the coolest Linux based applications with Moblin SDK & win great prizes >Grand prize is a trip for two to an Open Source event anywhere in the world >http://moblin-contest.org/redirect.php\?banner_id=100&url=/ >_______________________________________________ >Emc-users mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/emc-users ---- Msg sent via CableONE.net MyMail - http://www.cableone.net ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
