Thanks Peter. I was measuring it wrong. Now I have the 12.1 volts at the output when I turn it on.
Sorry for the foolishness! Leonardo Marsaglia El vie., 27 mar. 2020 21:07, Peter C. Wallace <[email protected]> escribió: > On Fri, 27 Mar 2020, Leonardo Marsaglia wrote: > > > Date: Fri, 27 Mar 2020 20:35:43 -0300 > > From: Leonardo Marsaglia <[email protected]> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <[email protected]> > > To: "Enhanced Machine Controller (EMC)" <[email protected] > > > > Subject: [Emc-users] Question about 7i70 output voltage > > > > Hello to all. > > > > I have practically all my config ready so I'm just tweaking and testing > > minor things. > > > > One thing I've noticed is that the 7i71 has a I would say significant > > lower voltage at the outputs compared to the field voltage I'm applying. > > The outputs anyway are working as expected turning on the LEDs and going > to > > zero when I activate them. > > The output voltage should be the same as the field voltage since the > output > drivers are MOSFETs > > Note that a 7I71 is a sourcing driver so the outputs drive a positive > voltage > into a load that is referenced to power supply common > > > > > The voltage I measure at the outputs is 10.7 volts while VFIELD is around > > 12.1 volts. Do I have to worry about this? I suspect not because the > > outputs are working as expected. But I just had to ask to be sure. > > > > By the way I'm using the same PC power supply to drive all the boards > now, > > just for testing purposes so I'm not applying any load. > > > > Thanks as always! > > > > > > > > Leonardo Marsaglia > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > Peter Wallace > Mesa Electronics > > (\__/) > (='.'=) This is Bunny. Copy and paste bunny into your > (")_(") signature to help him gain world domination. > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
