Anyone ever tried the Sentinel systems? http://gfspower.com.au/products/dc-power-systems/sentinel-power-system/
On Sun, Jan 11, 2015 at 11:59 AM, Bill Prince <[email protected]> wrote: > We got these through Allied Electronics.� We got the 5 amp model for a > couple of small PoPs; we're not so concerned about battery recharge time, > as the PoPs only need about 1.5 amps (~~ 35 watts) to operate. > > bp > <part15sbs{at}gmail{dot}com> > > > On 1/11/2015 10:55 AM, Gino Villarini wrote: > > Were do you buy the Altech? Direct? What model you bought? > > > > Gino A. Villarini > President > Aeronet Wireless Broadband Corp. > www.aeronetpr.com �� > @aeronetpr > > > > From: Bill Prince <[email protected]> > Reply-To: "[email protected]" <[email protected]> > Date: Tuesday, January 6, 2015 at 7:04 PM > To: "[email protected]" <[email protected]> > Subject: Re: [AFMUG] 24V UPS > > We just got a couple of the 24V versions and it was only $300 each.� > About the same as the Traco for the two separate units.� I sure > appreciate the differences, but I was looking for extra-small form factor > on a DIN rail.� Because this site is on AC power 99.99% of the time, it's > not a big deal (to me) if it takes 24 or even 48 hours to get a full > charge.� IIRC, these units also have LVD. > > bp > <part15sbs{at}gmail{dot}com> > > > On 1/6/2015 10:26 AM, George Skorup (Cyber Broadcasting) wrote: > > Those are really expensive. A Traco TSP+BCM is several hundred less at > almost every wattage, last time I looked anyway. I like the split power > supply and battery module. A lot cheaper to replace a failed component than > an entire $700-1k all-in-one. But that's just me. The Traco gets you > temperature compensated charging and LVD. You get contacts for DC input OK, > batt OK/fail, etc. Hook that up to a SiteMonitor switch closure module and > you have pretty good remote visibility. Put shunts wherever you want to > monitor, battery charge/discharge current, output rail current, etc. > > On 1/6/2015 10:49 AM, Bill Prince wrote: > > Try these.� We are about to install a couple of them.� Some models > have ethernet ports for a GUI (no SNMP :-( ).� But they do have contacts > to send alerts through a SiteMonitor (for example). > > http://www.altechcorp.com/power/CBI-UPS.html > > On Tue, Jan 6, 2015 at 8:23 AM, Christopher Tyler < > [email protected]> wrote: > >> I'm at my end. I've been looking at this for a while now and it's obvious >> that no one makes an industrial APC UPS that works. >> >> We've tried the Alpha Cordex (DIN rail) and the ICT (19" rack) and >> neither one can do what a APC management card can. We just need it to >> provide 24vDC to a load and when the AC power goes out, send an alert and >> let us monitor the system status via SNMP. >> >> Alpha: >> PROS: DIN rail mounted >> CONS: Web interface is IE only, SNMP requests are completely broken, have >> not tested SNMP traps, cost is about $700. >> >> ICT: >> PROS: It works well as a dumb power supply/charger with UPS >> functionality, web interface works in all browsers. >> CONS: SNMP is limited to about 6 values, all remote communication is lost >> when AC is removed, no battery monitoring at all other than the voltage for >> use with LV cutoff which is one of the values that is not available via >> SNMP. Also costs about $700 >> >> I have to give it to Alpha at this point, at least their unit remains >> "intelligent" when AC power is removed. If they would fix their web >> interface and SNMP it would be perfect. >> >> So... Does anyone have a solution that works that isn't completely >> cobbled together? I need to know when we lose/regain AC power, that the >> battery is draining, what the battery voltage is so that I know when it's >> about to cut off, it needs a LV cut off to protect the batteries, and all >> this information needs to be available via SNMP and web. Am I asking for >> too much or does something of this nature exist outside of TrippLite and >> APC? >> >> -- >> Christopher Tyler >> MTCRE/MTCNA/MTCTCE/MTCWE >> Total Highspeed Internet Services >> 417.851.1107 >> >> > > > -- > -- > bp > part15sbs{at}gmail{dot}com > > > > >
