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Monitoring voltage via web

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  • Monitoring voltage via web

    What charge controllers and devices can do this? Shy of just placing a voltage display in front of a camera, what charge controllers or devices allow you to do this remotely? I found a product by Webrelay but it's a little more geek oriented than what I think I can handle. I need something more layperson friendly. I am will to change charge controllers if needed. I only need to monitor, not control.

  • #2
    Enphase microinverters allow you to access AC and DC voltage, among other things. See:
    https://enphase.com/en-us/support/ho...nd-temperature

    I don't know about SMA or Fronius. APsystems does not give me mains AC or panel DC voltage.
    7kW Roof PV, APsystems QS1 micros, Nissan Leaf EV

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    • #3
      Midnight solar Classic & Morningstar MPPT-60 & Schneider via Gateway module, all have web interfaces. you have to configure your router properly to allow remote access
      Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
      || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
      || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

      solar: http://tinyurl.com/LMR-Solar
      gen: http://tinyurl.com/LMR-Lister

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      • #4
        After some digging, I found a device made by Tycon power systems.
        https://www.amazon.com/dp/B00C3WYHSE..._Kda.Fb4C4RWS7

        Similar to Webrelay but looks a bit more user friendly with waaaaaayyyy more options and a lower price.

        Going to use it to start a generator based on battery bank voltage and will allow the remote monitoring of current, temperature and voltage. Should be a fun little project.

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        • #5
          be VERY careful with remote/auto start gensets. Add enough logic in to handle a failure to start, crank, choke low oil, low fuel (you don;t want a loaded genset to die from fuel, the residual heat will gook the alternator without a cool down period) and you approach what a AGS module costs.
          And the fires caused by Mr Rat building a home while it's unattended
          Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
          || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
          || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

          solar: http://tinyurl.com/LMR-Solar
          gen: http://tinyurl.com/LMR-Lister

          Comment


          • #6
            Originally posted by Mike90250 View Post
            be VERY careful with remote/auto start gensets. Add enough logic in to handle a failure to start, crank, choke low oil, low fuel (you don;t want a loaded genset to die from fuel, the residual heat will gook the alternator without a cool down period) and you approach what a AGS module costs.
            And the fires caused by Mr Rat building a home while it's unattended
            Good tips and will do.

            This will overlay (maybe) a homemade remote start system (using a handheld remote) that has been in use now for 6 years. It's a Yamaha 3000ISEB.

            Low oil protection is already built into the genset. My system has a timer to prevent overcrank and operate the automatic choke.

            My hope is the Tycon box will allow removal of the overcrank timer and just use the built in timing functions of the Tycon box. The decider will be if the Tycon box continues timing and activation functions even when internet connection is lost.

            I'll monitor fuel level and control run time via the Tycon box.

            The whole apparatus will be inside an old 60KW genset case that we removed the engine and generator from which will be around 50 feet from the structure.

            Fuel supply will only be 27 gallons or so. The genset will only need to operate when the cabin is occupied to charge batteries after they are depleted and on winter days when the cabin is unoccupied and the 2700 watt array can't keep the batteries topped up from security camera draw.
            Last edited by checkthisout; 01-11-2021, 10:56 PM.

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