On Monday 16 November 2020 15:37:08 Alan Condit wrote: > Hi, > > I want to set up to probe for workpiece height (tool length) with a > piece of PCB and a wire hooked to probe input and another piece of > wire and an alligator clip wired to probe ground. I would clip the > alligator clamp to the tool and set the piece of PCB on top of the > work surface. So, the circuit would close when the tool tip touched > the PCB. However, when I read the instructions on G38.2 it talks about > the switch opening. Can I invert the probe signal and use it for > switch closing? > > Thanks, > Alan > Yes, been doing exactly that for years Alan. If using a mesa interface, you may be able to "net" it to the in-not pin and skip the invertor as its one less thing to worry about in your addf order. > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis 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
