On Tuesday 02 August 2016 15:03:49 John Kasunich wrote: > On Tue, Aug 2, 2016, at 02:56 PM, Curtis Dutton wrote: > > Hi everyone, > > > > > > I'm in the middle of designing a paint curing oven for my shop. I am > > going to control it with linuxcnc. The oven only runs at 120 Degress > > Farenheight ~ 50 Deg Celsius > > No specific answers to your LinuxCNC questions, just a general > reminder. If you are going to leave this oven unattended, you > want some brute-force dirt-simple over temperature protection. > > Like a Klixon temperature switch and a contactor. > > No semiconductors, no software. > > True story: My former employer had a 40 deg C burn-in oven > for testing small VFDs. Over a weekend, the solid-state relay > used to control the heating element failed shorted. On Monday > we found 6 drives whose plastic covers looked like something > out of a Salvador Dali painting.
2nded John. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
