Of course. You'll also be able to monitor both at the same time. Conversely an RB750 will only report the highest of the two voltages.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 20, 2017 at 1:01 PM, Chuck McCown <[email protected]> wrote: > Can you mix 24 and 48 volts on the same unit? > > *From:* Josh Luthman > *Sent:* Monday, March 20, 2017 10:58 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Sitemonitor question - different voltages > > Base1 has been gone for like 3-4 years or something...there's no way Paul > would get one these days. > > > Josh Luthman > Office: 937-552-2340 <(937)%20552-2340> > Direct: 937-552-2343 <(937)%20552-2343> > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > On Mon, Mar 20, 2017 at 11:03 AM, George Skorup <[email protected]> > wrote: > >> Be careful connecting +48VDC to a SiteMonitor. Verify it's a Base-II >> first. The old Base-I's are limited to 30 or 32VDC on both inputs. >> >> I typically connect the pwr1 input to my main rail, usually 24-28VDC so >> it's safe for Base-I's or Base-II's. I've been recycling a lot of old >> Base-I's from site rebuilds the last year or so. Pwr2 gets the wall brick >> for utility monitoring. I try to dig out old SyncPipe power supplies if I >> can find them because they're linear. We're at many towers with crappy >> power, or those 3-phase sites that lose a phase and we end up with <100VAC >> and our UPS transfers to battery. Most switching bricks will operate down >> to 80-85VAC. Has happened more times that I can remember. Site goes down >> because the batteries ran down, yet we never got a utility power alarm. The >> linear brick lets you see the voltage situation. Problem is, they're >> getting pretty hard to find now. >> >> On 3/20/2017 7:51 AM, Josh Baird wrote: >> >> Yes - it can accept multiple voltages on PWR1 and PWR2. >> >> Josh >> >> On Mon, Mar 20, 2017 at 8:24 AM, Paul McCall <[email protected]> wrote: >> >>> Can the sitemonitor have two different voltages on the 2 inputs that it >>> monitors / powers from? >>> >>> >>> >>> We have a lot of them setup in the field with a 110vac โ 24v wall wart >>> to monitor commercial power. And, the 2nd input is off the 24v battery >>> array. Batteries are all 48v now, so wondering if I need to buy a bunch of >>> similar 48v wall warts or whether the SiteMonitor can deal with the 2 >>> different voltages and I donโt need to buy anything ๐ >>> >>> >>> >>> Paul McCall, President >>> >>> PDMNet, Inc. / Florida Broadband, Inc. >>> >>> 658 Old Dixie Highway >>> >>> Vero Beach, FL 32962 >>> >>> 772-564-6800 <%28772%29%20564-6800> >>> >>> [email protected] >>> >>> www.pdmnet.com >>> >>> www.floridabroadband.com >>> >>> >>> >>> >>> >> >> >> >> >
