Yup, it works fine to mix... pwr1 and pwr2 definitely don't both have to be the same. We typically have 24v on one and 48v on the other, on sites where we're using both.
On Mon, Mar 20, 2017 at 12:09 PM, Chuck McCown <[email protected]> wrote: > I am talking about pwr1 and pwr2. For some reason I thought they had to > both be the same. > > *From:* Josh Luthman > *Sent:* Monday, March 20, 2017 11:08 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Sitemonitor question - different voltages > > 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 <(937)%20552-2340> > Direct: 937-552-2343 <(937)%20552-2343> > 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 >>>> >>>> >>>> >>>> >>>> >>> >>> >>> >>> >> > >
