Started From Here https://community.victronenergy.com/questions/18866/solar-wattage-so-low-1.html?childToView=18887#answer-18887

Hello!

Just setup my entire offgrid system. Now for security and compatibility reasons i'd like to have my remote console (LAN) served over HTTPS.

I've tried to gain root access and SSH in, tried to find some apache/nginx config but, not found any.

When setting up a reverse proxy via nginx (other machine to the ccgx) the css and images do not load and render the remote console useless (on the reverse proxy url that is)

Please advise.

Background:

Trying to intergrate the remote console with an iframe in Home assistant (needs to be HTTPS)

Hello all.

Nice to meet you. I have laid out a system but I need clarification on some points. This is my proposed layout................................

[image]

1. Am I able to use two bluetooth smart battery sense modules on one solar controller? If so is the software aware that the batteries are in an array and there are two of them. I cannot find anything in the manuals or datasheets that specifies a limit on the 3M or 10M battery sense modules.

2. I have a Bluesmart charger 24V 8A model. If it is part of the bluetooth ve network and always powered (it will not be) will it start charging when a low battery condition detected or will a have to use the relay on the BMV 712. If so and the answer to my first question is no how will I be able to monitor the temperature of the second battery as using the temperature connection on the BMV-712 or battery connect will create problems. My objective is to wire all the alarm or alert contacts in series to a GSM alarm module.

3. There appears to be some ambiguity regarding the four pin VE Bus. If I am correct the ve bus is a proprietary protocol and individual to only some device types. In other words if you have three bluetooth devices paired to a solar charge controller and then use a ve bus cable to link to a pc or colour control gx none of the data from the bluetooth is passed down the physical interface. I would have expected the solar charge controller to behave as a hub and pass on data. I would like to clarify this.

4. In the above setup I have two physical ve bus port equipped devices. The BMV-712 has one as does the solar charge controller. I also have five bluetooth devices. Is it possible to allow the devices to communicate and if so how. If not am I limited to two devices that have the four pin ve bus connection. I have read everything I can find on manuals and white papers about the ve bus and I do not have an answer. I am surprised that by now there is not a common protocol such as RS485 Modbus or keep to a common proprietary protocol such as ve as it would be the most common protocol used, canbus, nmea and others could then be converted with an adaptor.

I would really appreciate some help and advice as to how to arrange communication on this setup. The ideal scenario would be to have two displays. The battery SOC monitor and the MPPT control panel. I have one or two raspberry pi model B+ boards, is there any benefit to setting up the colour gx system on the pi and connecting the components to that. If there is no way to link these devices together all the parts may just as well have 2 clean relay contacts that could be setup as desired. Ideally I would just like the two meters on display. I would rather not have any bluetooth control or monitoring that the customer would have access to.

Any help, advice and ideas would be fantastic and gratefully received. Thank you for taking the time to read this extended post and my apologies if I have confused ve bus and ve direct.

Many thanks.

Stuart.

I require NRS Certificate for Victron Multiplus II 48V 5kw. For South Africa

I have a newly installed BMV -702 with a 840 AH @ 20 hours battery bank. It was professionally installed and programmed by a knowledgeable reputable Yacht Yard who are experts in this sort of stuff

The % charge is reading 100% after a voltage drop from 13 to 12.6 over 2 days

when i restart the GSM manually it starts to work.

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SmartSolar 75/15, running firmware 1.39. 2 x 100w 12v panels in series. 6 foot wire run, 12 gauge pure copper, all MC4 connectors tight and snapped, as they've been for years.

I just observed this a second ago, lifepo4 battery floating mid-day at 13.35v. I disabled the charger from the 75/15 battery settings, and then re-enabled it a minute later. This was in nearly full sun.

What I observed was that upon enabling the charger, the PV voltage went from 40-something to ~15, then back to 40, back to ~15 over and over again for about 10 seconds. After that 10 or so seconds, it returned to high voltage and producing a consistent 160w. The battery quickly went to absorption and then float.

I've never seen this before. If my wiring is bad, it seems unlikely that it would have sorted itself out 10 seconds later and started to produce at a pleasing 160w. But I also don't know what mechanism if any could be responsible for this in the charge controller. Any advice appreciated, and if this is normal behavior please let me know! Reconnecting charge when the sun is fully out is the opposite of what naturally happens in a day/night cycle so perhaps that's the reason it did this?

Thanks!

Hello,

Regular visitors may have noticed some changes to the site this week.

Please let us know if anything isn't working like it should for you.

I have 2 Quattro 12|5000|221-100|100 120V units operating in 180 degree split phase mode. In the document "Manual - Quattro 5k 120-240V - rev 02 - EN.pdf" section 2.3 Option 2a describes a mode where only one 120V shore power leg is available:
"If only one 120V leg is available at the AC input, one unit will connect to it, and the other unit will operate on battery power. System output will be 120/240V or 120/208V, depending on configuration. Power from the 120V leg that is available will be used to charge the battery, compensating for power taken from the battery by the second unit."

I would like to operate in this mode part of the time but thus far I have been unable to get the Quattros to perform this task. They register the 120V leg that is being input but they never switch through any mains power. I can't find any reference to this feature in the latest documentation, but I used the older document when making my purchasing decision based on availability of this feature. Is this mode of operation still possible?

Thanks so much.

I've downloaded the Mac VictronConnect app on the Victron website, but it doesn't see my Multiplus, even while I'm connected using the MK3 USB. All other discussion here discusses using Wine or Parallels, yet there is a Mac app on the site for this purpose. Anyone have any luck using the app and seeing their device?

Thanks

Hello all,

I'm new here sorry if this question is redundant.

I'm building an offgrid system. I will NOT be selling power to the grid. I want to get an inverter/charger that's good enough so i can eventually add more panels and more batteries without having to get new ones and re-wiring all the time.

I was thinking on going with 2 3648a outback prewire inverters but I like the apps of Victron and outback is not available here.

1. I want a 10kw system
2. 48v to 60v system.
3. 10x 500 watts panels from china ( another 10 later)
4. 3 x Tesla smart lithium ion batteries ( 57v 2.5kwh) , I plan to get 11 of these.
5. Victron charger controller and inverter

Questions are:

1) Which inverter/s should i get?

2) 250 charge controller will be enough?

3) Quattro or Multiplus?

4) Will the Victron inverter work well with tesla smart batteries?

I have a Multiplus 12/3000/120-50 Inverter/Charger that makes a fluttering sound when it's inverting about every 40 seconds when my Keurig Coffee Maker is ON.

Any ideas why this happens. TIA.

what does this eror mean.

I have a Quattro 10Kw in a off grid config using Lithium batteries. Can you please advise the best settings for the Quattro. Do i need to install assistants.

Hi All,

Can I use one of the lithium superpacks as a start battery? What would the CCA rating be on one of them and would the integrated BMS allow it to provide the required 'pulse current' ?

Thanks

Hello,

I have two solar panels wired in series connected to a Victron Energy SmartSolar MPPT Solar Charge Controller 100/30 that charge my habitation batteries in my motorhome.

If possible I would like to charge the motorhome engine starter battery off the same solar controller.

Am I right in saying if I fit a battery isolator such as the two battery version of an Argo Fet battery isolator this can be done. In the details of the unit it mentions alternator input or single output battery charger input. In my case the equivalent of the single output battery charger would be my solar controller

It’s this correct please. I look forward to your comments and thoughts. Thanks.

I have a 1000 Ah battery bank and have connected a Victron Multi Compact 12V/2000VA/80 Amp. On the battery poles I get between 50-100 V AC,

When disconnecting everything on the AC side, the AC on DC side dissapears, but hanging a loose 30 meter electric wire to the AC side of the system (wire only, no load), I get 50 V AC. With 300W load, I get about 100 volts.

Wires are 35 mm2 and the device is properly grounded.

1: Any idea what is wrong?

2: Will this dammage my batteries?

Hoping for answer :-)

Can we use Delta connection (without neutral, 400Volts phase-phase) in a 3 phase configuration of 3 pieces Phoenix 24/5000

Hi multiplus 3000 in yacht from new. Currently have new Yuasa dcb batteries 240ah, 2 banks of 4. This happened with prev battery bank also. When back into marina and re connected to shower power and charger turned on about 4 to 6 hours later co2 alarm goes off. I believe this is activated by the batteries gassing. If in the vicinity of the batteries at this time there is a smell. When we looked at the dim switches on the charger all are set to off. We are wondering if number 5 dim switch which relates to Adaptive charging were turned on might the charger sense the batteries state of charge and not overcharge?

Please go easy I'm clueless when it comes to electrics