So the pull down is to keep the voltage under 1.8 correct? My confusion is I have one screw per input, 4-20mA is two wire where is the other half of the circut?
On Monday, February 1, 2021 at 6:40:01 PM UTC-5 RobertCNelson wrote: > On Mon, Feb 1, 2021 at 5:24 PM Dwayne Zimmerman <dzimme...@gmail.com> > wrote: > > > > Thanks I have that. It doesn't detail the 4-20mA circut, unless I'm > missing something. I'm trying to understand where power comes from and at > what voltage. > > Each of those two connectors are connected to an adc pin. > > They both have a pull-down.. > > The ADC's can only take 1.8V, any more and they will fry.. > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/60ff116c-040f-47cd-a34f-58e726fb88d7n%40googlegroups.com.
