Well, it certainly can't be less fun than I've been having over the last few months.
On Wed, Aug 30, 2017 at 2:44 PM, Chuck McCown <[email protected]> wrote: > What is the fun in that... > > *From:* Forrest Christian (List Account) > *Sent:* Wednesday, August 30, 2017 2:25 PM > *To:* af > *Subject:* Re: [AFMUG] Cost effective battery charging and monitoring > device > > But what if working is putting rackinjectors in boxes so I can actually > get back to engineering solutions for this type of stuff? > > On Wed, Aug 30, 2017 at 11:51 AM, Chuck McCown <[email protected]> wrote: > >> Forrest, quit working and come out and play with us.... >> >> *From:* Chuck McCown >> *Sent:* Wednesday, August 30, 2017 11:49 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Cost effective battery charging and monitoring >> device >> >> But you can use a voltage divider to convert the 0-5 volt to 0-.1 volt. >> Two resistors. >> >> *From:* George Skorup >> *Sent:* Wednesday, August 30, 2017 11:48 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Cost effective battery charging and monitoring >> device >> >> No, the SiteMonitor shunt input is ±100mV nominal. >> >> On 8/30/2017 12:42 PM, Jesse DuPont wrote: >> >> Would these work on a SiteMonitor? They output 1-5V DC based on current >> flowing through. >> >> https://flexscada.com/product/hall-effect-current-sensor-ac-75a-dc-100a/ >> >> *Jesse DuPont* >> >> Network Architect >> email: [email protected] >> Celerity Networks LLC >> >> Celerity Broadband LLC >> Like us! facebook.com/celeritynetworksllc >> >> Like us! facebook.com/celeritybroadband >> On 8/30/17 11:29 AM, George Skorup wrote: >> >> Yeah, about that. I wouldn't use those on 12VDC systems. Too much >> current. I've burned up a couple of the 10A shunts on Traco BCMUs that were >> running around 200W load on battery. 200/13 = 15 amps. Ungood. One site at >> about 225W, first time it went to battery, the shunt went kaput after 10-15 >> minutes and the site went down. >> >> I'm hoping Forrest comes up with some Hall effect stuff or even plain 20+ >> amp shunts that can be used on the SiteMonitor's existing 100mv input. Hall >> effect is nice because you don't have to be "in" the circuit. But I'll take >> what I can get. >> >> On 8/30/2017 10:26 AM, Adam Moffett wrote: >> >> Yeah, up to 10 amp. >> >> >> ------ Original Message ------ >> From: "Chuck McCown" <[email protected]> >> To: [email protected] >> Sent: 8/30/2017 11:18:36 AM >> Subject: Re: [AFMUG] Cost effective battery charging and monitoring device >> >> >> I think Forrest has them on his site with the site monitors. >> >> *From:* Sam Lambie >> *Sent:* Wednesday, August 30, 2017 9:15 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Cost effective battery charging and monitoring >> device >> >> Parallel. Site Monitor! Now where can I get a shunt? >> >> On Wed, Aug 30, 2017 at 9:09 AM, Chuck McCown <[email protected]> wrote: >> >>> 4 batts in series or parallel? >>> Shunt + sitemonitor would be a better way to go and you don’t have to >>> write code. >>> >>> *From:* Sam Lambie >>> *Sent:* Wednesday, August 30, 2017 9:06 AM >>> *To:* [email protected] >>> *Subject:* [AFMUG] Cost effective battery charging and monitoring device >>> >>> Hey all, >>> I am getting away from using APC at a couple of our sites and right now >>> I have installed a Tripp-Lite APS750 connected to 4 Deep cycle marine >>> batteries for a total of 404 aH system. I'd like to be able to monitor the >>> discharge rate of the batteries when power is out remotely. What have you >>> guys been doing to that effect? >>> >>> I'm thinking a Pi and a shunt and some quick scripting classes on Python >>> to put it all together... >>> >>> -- >>> -- >>> *Sam Lambie* >>> Taosnet Wireless Tech. >>> 575-758-7598 <%28575%29%20758-7598> Office >>> www.Taosnet.com <http://www.newmex.com> >>> >> >> >> >> -- >> -- >> *Sam Lambie* >> Taosnet Wireless Tech. >> 575-758-7598 <(575)%20758-7598> Office >> www.Taosnet.com <http://www.newmex.com> >> >> >> >> >> > > > -- > *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > [email protected] | http://www.packetflux.com > <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> > <http://twitter.com/@packetflux> > > -- *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 [email protected] | http://www.packetflux.com <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> <http://twitter.com/@packetflux>
