That is odd. I have no idea why it would get so hot unless the current passing it was significant. This was a schottky or a power diode right, not a zener? Most zeners will not take the current.
On Mon, Oct 15, 2012 at 2:04 PM, Josh Luthman <j...@imaginenetworksllc.com> wrote: > Between the regulator and load. > > On Oct 15, 2012 5:01 PM, "Jeromie Reeves" <jree...@18-30chat.net> wrote: >> >> Where did you put that diode? I have done this and at the low power >> that is needed they do not get noticeably warm at all. >> >> On Mon, Oct 15, 2012 at 1:38 PM, Josh Luthman >> <j...@imaginenetworksllc.com> wrote: >> > I tried that method. Diode got hotter than hell. Burnt right through >> > the >> > insulation I covered it with (and since it was bent the jacket came >> > right >> > off). >> > >> > Josh Luthman >> > Office: 937-552-2340 >> > Direct: 937-552-2343 >> > 1100 Wayne St >> > Suite 1337 >> > Troy, OH 45373 >> > >> > >> > On Mon, Oct 15, 2012 at 4:22 PM, Jeromie Reeves <jree...@18-30chat.net> >> > wrote: >> >> >> >> Why not run the NSM5 on 24v? Just add a diode or two to the + side, >> >> the 1v drop on them will protect the NSM from >> >> the charge voltage of the bank. $2 fix >> >> >> >> On Mon, Oct 15, 2012 at 10:44 AM, Olufemi Adalemo <adal...@gmail.com> >> >> wrote: >> >> > It just dawned on me that I may have been barking up the wrong tree >> >> > I only have the one NSM5 to connect, I could hook this up to the >> >> > parallel >> >> > segment of my battery bank and get only 12v while the rest of the >> >> > installation that's connected in series gets 24v. Do you think this >> >> > will >> >> > work? Don't really have to worry about the NSM5 running down the >> >> > battery >> >> > cause load is low and the cable run is under 10m so the voltage drop >> >> > from >> >> > 12v will be negligible >> >> > >> >> > So this is how it would be: >> >> > 24v solar panel connected to 24v charge controller with 4 x 12v >> >> > batteries >> >> > connected in a 2x2 series/parallel array. cable connected to the >> >> > parallel >> >> > segment of battery bank (theoretically giving 12v to the NSM5), rest >> >> > of >> >> > the >> >> > load connected to the charge controller at 24v >> >> > >> >> > What do you think? >> >> > >> >> > - - - >> >> > Olufemi Adalemo >> >> > M: +234-803-5610040 >> >> > M: +234-809-8610040 >> >> > f...@adalemo.com >> >> > >> >> > >> >> > >> >> > >> >> > On Fri, Oct 12, 2012 at 8:18 PM, Kristian Hoffmann >> >> > <kh...@fire2wire.com> >> >> > wrote: >> >> >> >> >> >> Ya, it should be +24 on pins 4,5 and -24/comm on 7,8. If it blew up >> >> >> then >> >> >> there was probably a short somewhere. >> >> >> >> >> >> -Kristian >> >> >> >> >> >> >> >> >> On 10/12/2012 11:11 AM, Olufemi Adalemo wrote: >> >> >> >> >> >> Ah ok, it is possible that the guys didn't get the polarity right >> >> >> I will check though they swear that they did >> >> >> >> >> >> >> >> >> - - - >> >> >> Olufemi Adalemo >> >> >> M: +234-803-5610040 >> >> >> M: +234-809-8610040 >> >> >> f...@adalemo.com >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> On Fri, Oct 12, 2012 at 7:05 PM, Josh Luthman >> >> >> <j...@imaginenetworksllc.com> wrote: >> >> >>> >> >> >>> What voltage were the batteries spitting out? They charge at 27v >> >> >>> but >> >> >>> without a charger put out much closer to 24v until they begin >> >> >>> discharging. >> >> >>> If it fried the radio I would first think that it was connected >> >> >>> wrong, >> >> >>> not >> >> >>> that the voltage was too high. >> >> >>> >> >> >>> Josh Luthman >> >> >>> Office: 937-552-2340 >> >> >>> Direct: 937-552-2343 >> >> >>> 1100 Wayne St >> >> >>> Suite 1337 >> >> >>> Troy, OH 45373 >> >> >>> >> >> >>> >> >> >>> On Fri, Oct 12, 2012 at 2:02 PM, Olufemi Adalemo >> >> >>> <adal...@gmail.com> >> >> >>> wrote: >> >> >>>> >> >> >>>> What's your typical config for the NSM5? >> >> >>>> Some of my guys just tried to power one off a 24v battery bank (no >> >> >>>> charger connected just battery) and it fried good >> >> >>>> >> >> >>>> - - - >> >> >>>> Olufemi Adalemo >> >> >>>> M: +234-803-5610040 >> >> >>>> M: +234-809-8610040 >> >> >>>> f...@adalemo.com >> >> >>>> >> >> >>>> >> >> >>>> >> >> >>>> >> >> >>>> On Fri, Oct 12, 2012 at 6:56 PM, Kristian Hoffmann >> >> >>>> <kh...@fire2wire.com> >> >> >>>> wrote: >> >> >>>>> >> >> >>>>> We have MT and Ubnt equipment of all shapes and sizes running at >> >> >>>>> 27.6V. >> >> >>>>> The only problems we've had are a handful of freak RB411s that >> >> >>>>> won't >> >> >>>>> power >> >> >>>>> on with >27V. Most of the older ones wouldn't kick into >> >> >>>>> overvoltage >> >> >>>>> protection until >28V, but we've come across a few odd balls. >> >> >>>>> >> >> >>>>> -Kristian >> >> >>>>> >> >> >>>>> >> >> >>>>> On 10/12/2012 10:44 AM, Josh Luthman wrote: >> >> >>>>> >> >> >>>>> Charger isn't going to spit out 24v for batteries that need >> >> >>>>> charged, >> >> >>>>> it's usually 27v. >> >> >>>>> >> >> >>>>> I was under the impression they would simply lock up and you >> >> >>>>> could >> >> >>>>> reboot, or maybe I'm just thinking of MT. >> >> >>>>> >> >> >>>>> Josh Luthman >> >> >>>>> Office: 937-552-2340 >> >> >>>>> Direct: 937-552-2343 >> >> >>>>> 1100 Wayne St >> >> >>>>> Suite 1337 >> >> >>>>> Troy, OH 45373 >> >> >>>>> >> >> >>>>> >> >> >>>>> On Fri, Oct 12, 2012 at 10:08 PM, Olufemi Adalemo >> >> >>>>> <adal...@gmail.com> >> >> >>>>> wrote: >> >> >>>>>> >> >> >>>>>> Aha, thanks >> >> >>>>>> That explains why I have a dead NSM5 on my desk >> >> >>>>>> I guess the charge controller is not very good at giving out 24v >> >> >>>>>> regulated power >> >> >>>>>> >> >> >>>>>> - - - >> >> >>>>>> Olufemi Adalemo >> >> >>>>>> M: +234-803-5610040 >> >> >>>>>> M: +234-809-8610040 >> >> >>>>>> f...@adalemo.com >> >> >>>>>> >> >> >>>>>> >> >> >>>>>> >> >> >>>>>> >> >> >>>>>> On Fri, Oct 12, 2012 at 6:17 PM, Josh Luthman >> >> >>>>>> <j...@imaginenetworksllc.com> wrote: >> >> >>>>>>> >> >> >>>>>>> Yes you will. The batteries will probably be around 27v which >> >> >>>>>>> Ubnt >> >> >>>>>>> won't like. You'll need to clean the ~18-27v from the >> >> >>>>>>> batteries >> >> >>>>>>> to 24v. >> >> >>>>>>> >> >> >>>>>>> Josh Luthman >> >> >>>>>>> Office: 937-552-2340 >> >> >>>>>>> Direct: 937-552-2343 >> >> >>>>>>> 1100 Wayne St >> >> >>>>>>> Suite 1337 >> >> >>>>>>> Troy, OH 45373 >> >> >>>>>>> >> >> >>>>>>> >> >> >>>>>>> On Fri, Oct 12, 2012 at 1:14 PM, Olufemi Adalemo >> >> >>>>>>> <adal...@gmail.com> >> >> >>>>>>> wrote: >> >> >>>>>>>> >> >> >>>>>>>> Need help, >> >> >>>>>>>> I'm looking to deploy a UBNT NSM5 powered by a 24v solar >> >> >>>>>>>> supply. >> >> >>>>>>>> Does anyone have experience with this? The data sheet shows >> >> >>>>>>>> that >> >> >>>>>>>> it >> >> >>>>>>>> requires a 24v supply however the POE injector supplied is >> >> >>>>>>>> 15v, >> >> >>>>>>>> do I need a >> >> >>>>>>>> DC to DC converter? >> >> >>>>>>>> >> >> >>>>>>>> Best regards, >> >> >>>>>>>> - - - >> >> >>>>>>>> Olufemi Adalemo >> >> >>>>>>>> M: +234-803-5610040 >> >> >>>>>>>> M: +234-809-8610040 >> >> >>>>>>>> f...@adalemo.com >> >> >>>>>>>> >> >> >>>>>>>> >> >> >>>>>>>> >> >> >>>>>>>> _______________________________________________ >> >> >>>>>>>> Wireless mailing list >> >> >>>>>>>> Wireless@wispa.org >> >> >>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>>>>>> >> >> >>>>>>> >> >> >>>>>>> >> >> >>>>>>> _______________________________________________ >> >> >>>>>>> Wireless mailing list >> >> >>>>>>> Wireless@wispa.org >> >> >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>>>>> >> >> >>>>>> >> >> >>>>>> >> >> >>>>>> _______________________________________________ >> >> >>>>>> Wireless mailing list >> >> >>>>>> Wireless@wispa.org >> >> >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>>>> >> >> >>>>> >> >> >>>>> >> >> >>>>> >> >> >>>>> _______________________________________________ >> >> >>>>> Wireless mailing list >> >> >>>>> Wireless@wispa.org >> >> >>>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>>> >> >> >>>>> >> >> >>>>> >> >> >>>>> _______________________________________________ >> >> >>>>> Wireless mailing list >> >> >>>>> Wireless@wispa.org >> >> >>>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>>> >> >> >>>> >> >> >>>> >> >> >>>> _______________________________________________ >> >> >>>> Wireless mailing list >> >> >>>> Wireless@wispa.org >> >> >>>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>>> >> >> >>> >> >> >>> >> >> >>> _______________________________________________ >> >> >>> Wireless mailing list >> >> >>> Wireless@wispa.org >> >> >>> http://lists.wispa.org/mailman/listinfo/wireless >> >> >>> >> >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> Wireless mailing list >> >> >> Wireless@wispa.org >> >> >> http://lists.wispa.org/mailman/listinfo/wireless >> >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> Wireless mailing list >> >> >> Wireless@wispa.org >> >> >> http://lists.wispa.org/mailman/listinfo/wireless >> >> >> >> >> > >> >> > >> >> > _______________________________________________ >> >> > Wireless mailing list >> >> > Wireless@wispa.org >> >> > http://lists.wispa.org/mailman/listinfo/wireless >> >> > >> >> _______________________________________________ >> >> Wireless mailing list >> >> Wireless@wispa.org >> >> http://lists.wispa.org/mailman/listinfo/wireless >> > >> > >> > >> > _______________________________________________ >> > Wireless mailing list >> > Wireless@wispa.org >> > http://lists.wispa.org/mailman/listinfo/wireless >> > >> _______________________________________________ >> Wireless mailing list >> Wireless@wispa.org >> http://lists.wispa.org/mailman/listinfo/wireless > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > _______________________________________________ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
