II was told NO!! <27VDC Steve Barnes General Manager PCS-WIN / RC-WiFi<http://www.rcwifi.com/>
From: [email protected] [mailto:[email protected]] On Behalf Of Greg Ihnen Sent: Wednesday, October 17, 2012 7:35 AM To: WISPA General List Subject: Re: [WISPA] Another Ubiquity question Doesn't UBNT gear take up to 30v? Greg On Mon, Oct 15, 2012 at 4:22 PM, Jeromie Reeves <[email protected]<mailto:[email protected]>> 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 <[email protected]<mailto:[email protected]>> 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 > [email protected]<mailto:[email protected]> > > > > > On Fri, Oct 12, 2012 at 8:18 PM, Kristian Hoffmann > <[email protected]<mailto:[email protected]>> > 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<tel:%2B234-803-5610040> >> M: +234-809-8610040<tel:%2B234-809-8610040> >> [email protected]<mailto:[email protected]> >> >> >> >> >> On Fri, Oct 12, 2012 at 7:05 PM, Josh Luthman >> <[email protected]<mailto:[email protected]>> 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<tel:937-552-2340> >>> Direct: 937-552-2343<tel:937-552-2343> >>> 1100 Wayne St >>> Suite 1337 >>> Troy, OH 45373 >>> >>> >>> On Fri, Oct 12, 2012 at 2:02 PM, Olufemi Adalemo >>> <[email protected]<mailto:[email protected]>> >>> 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<tel:%2B234-803-5610040> >>>> M: +234-809-8610040<tel:%2B234-809-8610040> >>>> [email protected]<mailto:[email protected]> >>>> >>>> >>>> >>>> >>>> On Fri, Oct 12, 2012 at 6:56 PM, Kristian Hoffmann >>>> <[email protected]<mailto:[email protected]>> >>>> 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<tel:937-552-2340> >>>>> Direct: 937-552-2343<tel:937-552-2343> >>>>> 1100 Wayne St >>>>> Suite 1337 >>>>> Troy, OH 45373 >>>>> >>>>> >>>>> On Fri, Oct 12, 2012 at 10:08 PM, Olufemi Adalemo >>>>> <[email protected]<mailto:[email protected]>> >>>>> 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<tel:%2B234-803-5610040> >>>>>> M: +234-809-8610040<tel:%2B234-809-8610040> >>>>>> [email protected]<mailto:[email protected]> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Fri, Oct 12, 2012 at 6:17 PM, Josh Luthman >>>>>> <[email protected]<mailto:[email protected]>> 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<tel:937-552-2340> >>>>>>> Direct: 937-552-2343<tel:937-552-2343> >>>>>>> 1100 Wayne St >>>>>>> Suite 1337 >>>>>>> Troy, OH 45373 >>>>>>> >>>>>>> >>>>>>> On Fri, Oct 12, 2012 at 1:14 PM, Olufemi Adalemo >>>>>>> <[email protected]<mailto:[email protected]>> >>>>>>> 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 >>>>>>>> [email protected]<mailto:[email protected]> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Wireless mailing list >>>>>>>> [email protected]<mailto:[email protected]> >>>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Wireless mailing list >>>>>>> [email protected]<mailto:[email protected]> >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Wireless mailing list >>>>>> [email protected]<mailto:[email protected]> >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Wireless mailing list >>>>> [email protected]<mailto:[email protected]> >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Wireless mailing list >>>>> [email protected]<mailto:[email protected]> >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Wireless mailing list >>>> [email protected]<mailto:[email protected]> >>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> >>> >>> >>> _______________________________________________ >>> Wireless mailing list >>> [email protected]<mailto:[email protected]> >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >> >> >> >> _______________________________________________ >> Wireless mailing list >> [email protected]<mailto:[email protected]> >> http://lists.wispa.org/mailman/listinfo/wireless >> >> >> >> _______________________________________________ >> Wireless mailing list >> [email protected]<mailto:[email protected]> >> http://lists.wispa.org/mailman/listinfo/wireless >> > > > _______________________________________________ > Wireless mailing list > [email protected]<mailto:[email protected]> > http://lists.wispa.org/mailman/listinfo/wireless > _______________________________________________ Wireless mailing list [email protected]<mailto:[email protected]> http://lists.wispa.org/mailman/listinfo/wireless
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