Thanks Andy! Yep it's definitely 5v pnp I got them special from the manufacturer. So can I just power it from 5v and 0v. And then the sensor output goes into the 7i77 spindle z index input?
(Jumpered for single ended inputs of course) On Wed, Jul 7, 2021, 9:51 PM andy pugh <bodge...@gmail.com> wrote: > On Wed, 7 Jul 2021 at 09:51, andrew beck <andrewbeck0...@gmail.com> wrote: > > > PCW can I use a 5v pnp sensor straight into the 7i77 encoder input same > as > > I would do with the field io? > > I am not PCW, but I think that should be fine, as long as it is > definitely 5V. Most prox sensors don't even work until they have 7V on > the supply side. > PNP Proxes take the output wire up to the supply voltage, so you will > need to be careful. > > (Which is why NPN can be better, but not with a 7i77 as that has > sinking inputs. For a parallel port you can use a 24V NPN prox > straight into a parport pin. Though it takes a measure of > self-belief...) > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
