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Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?

Darek J 15261 26
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Can a dedicated meter or S0 pulse counter be connected to a Sofar inverter so it is visible in the inverter’s app?

Yes, but only if the meter is compatible with the Sofar inverter’s Modbus queries; the inverter documentation should list supported meters, and otherwise you would need a protocol converter or microcontroller bridge. [#18343474] Sofar also has a dedicated meter sold as Solarman for Sofar Solar inverters. [#20169111] The inverter itself does not measure consumption on its own, so without a compatible meter/counter you won’t get that data in the app. [#18352355][#18352358]
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  • #1 18342705
    Darek J
    Level 15  
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    Can a meter (e.g. a dedicated meter as in Fronius or SolarEdge) or S0 (Fronius) be connected to SOFAR inverters??
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  • #2 18342791
    cuuube
    Level 29  
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    Between the inverter and the ZE meter, you can connect an electronic meter for production and consumption, it does not have to be dedicated, they are probably more expensive. This one, in turn, can be connected (if it has a pulse output) via LAN controller to, for example, pvmonitor.
  • #3 18343298
    Darek J
    Level 15  
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    I'm talking more about something that will be visible in a dedicated application.
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  • #4 18343474
    Wlodek22
    Level 31  
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    Darek J wrote:
    I'm talking more about something that will be visible in a dedicated application.

    There must be a meter that will have a compatible modbus protocol with the queries sent by the inverter. There should be a list of compatible meters in the inverter documentation. Otherwise, as long as you feel up to it. You buy a meter with any protocol and using, for example, a microcontroller, you read data according to one protocol, and send it to the inverter according to the other.
  • #5 18343686
    cuuube
    Level 29  
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    Pv minitor has a website with a lot of data, including temperatures can be monitored, production from perhaps 3 different inverters, home use and separately, e.g. PC.

    They have a widget and recently an app
    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?

    Added after 6 [minutes]:
    Above is a screenshot from the app, below from www

    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?
    .
    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?
  • #6 18345189
    Darek J
    Level 15  
    Posts: 199
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    Privately, I have the Fronius and PVmonitor apkes and somehow I prefer the first one
  • #7 18352271
    macgaw
    Level 13  
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    SofarSolar inverters have the ability to send data to 3 servers at the same time, so nothing prevents the data from going directly to PVmonitor....
  • #8 18352355
    Darek J
    Level 15  
    Posts: 199
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    But the inverter won't measure consumption...
  • #9 18352358
    cuuube
    Level 29  
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    No, it won't.
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  • #10 18353210
    slaslo
    Level 18  
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    macgaw wrote:
    SofarSolar inverters have the ability to send data to 3 servers at the same time, so nothing prevents the data from going directly to PVmonitor....

    Dude, could you shed some light on the subject. I couldn't find anything about it in the manual.
  • #11 18367596
    lesiu681
    Level 10  
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    macgaw wrote:
    SofarSolar inverters have the ability to send data to 3 servers at the same time, so nothing prevents the data from going directly to PVmonitor....


    They do not send data to Pvmonitor. I sent an inquiry and got an answer that I should buy a LanKontroler with p[pvmonitor software from them.
  • #12 18378249
    macgaw
    Level 13  
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    After logging in to the inverter, in the Advanced menu, there is the Remote server option.
    Server A is configured as default.
    Servers B, C can be configured by yourself.
  • #13 18379692
    theo33
    Level 27  
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    macgaw wrote:
    After logging in to the inverter, in the Advanced menu, there is the Remote server option.
    Server A is configured as default.
    Servers B, C can be configured by yourself.


    Kol. macgaw and you could indicate where in the sofar, whether it is 3.3 or 8.8, you have the Remote server option you mentioned.
    Attachments:
    • Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected? menu główne.png (51.48 KB) You must be logged in to download this attachment.
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  • #14 18379770
    slaslo
    Level 18  
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    You have to log in to the inverter directly - for me it looks like this:
    SSID AP_1705114670
    browser address 10.10.100.254
    login and password 2x admin
    You log directly into the wifi modem of the sofar inverter.
    Here's what you're looking for (and a few other things worth looking at):

    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?

    It doesn't change the fact that you can't connect to pvmonitor anyway.
  • #15 18379791
    theo33
    Level 27  
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    And don't I have to reset this wifi modem and configure it again because after this address I logged in at the very beginning when I was doing configurations and now I can't see this SSID AP network
  • #16 18379833
    slaslo
    Level 18  
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    I do not know. I did the first configuration from the apk on the smartphone and since then everything works on the smartphone and through the preview on the website http://home.solarman.cn/main.html
    Then I read the instructions from the wifi modem and out of curiosity I connected and I have insight.
    I noticed that the range is very small when connected from the AP_ network to the laptop.
    I don't know why, but the connection of the inverter to my home wifi network - albeit more remote - runs smoothly.
  • #17 18381910
    lesiu681
    Level 10  
    Posts: 54
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    I'm thinking of something like this to have an insight into my energy usage:
    https://zamel.com/pl-PL/produkty/supla-sterowanie-wifi/supla--czujniki/mew01

    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?mew 01.jpg (8.13 kB)You must be logged in to download this attachment.
    I have several Supla products and they work flawlessly. Has anyone encountered this?
    https://youtu.be/nYv5HTv9S9g
  • #18 18382106
    3301
    Level 34  
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    lesiu681 wrote:
    I'm thinking of something like this to have an insight into my energy usage:
    https://zamel.com/pl-PL/produkty/supla-sterowanie-wifi/supla--czujniki/mew01


    I have several Supla products and they work flawlessly. Has anyone encountered this?
    https://youtu.be/nYv5HTv9S9g


    Measures active and reactive energy imported and exported independently on each phase, we have it connected and measures PV production, PC consumption and residual consumption, transformers can be easily installed on any circuit,
    results are saved every 10 minutes in XLS format
    Attachments:
    • Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected? supla.jpg (241.12 KB) You must be logged in to download this attachment.
  • #19 18382315
    Darek J
    Level 15  
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    This Zamel is probably the best option - but this is still not what I was looking for - you can't see the production and you have to use several programs to get it right...

    In Fronius or Solaredge, however, it is much better.
  • #20 18382371
    cuuube
    Level 29  
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    Well, unfortunately, there is always something for something ... more expensive solutions have cheaper ones and you have to buy them, the same is true in cars.
  • #21 18489739
    krzych101
    Level 13  
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    Is there software for windows monitoring energy consumption that works with this Zamel Supla
  • #22 18496054
    lesiu681
    Level 10  
    Posts: 54
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    Board Language: polish
    krzych101 wrote:
    Is there software for windows monitoring energy consumption that works with this Zamel Supla



    You set up an account on the Supla platform and log in via your browser.

    https://www.supla.org/pl/
  • #23 18620384
    Wbm
    Level 12  
    Posts: 34
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    Board Language: polish
    macgaw wrote:
    After logging in to the inverter, in the Advanced menu, there is the Remote server option.
    Server A is configured as default.
    Servers B, C can be configured by yourself.


    Can you write what firmware version you have for this datalogger? This data can be seen after expanding the "Device information" section.

    My firmware version is LSW3_14_FFFF_1.0.18 and unfortunately I only have Server A and Server B.

    greetings
    --
    Wbm.
  • #24 18982812
    Bałdyzer
    Level 12  
    Posts: 1396
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    Not wanting to start a separate topic, I'll ask you one thing. They made me a PV installation with a power of 6.45 Kw and next to the bidirectional meter from Tauron I have two additional meters in such boxes as in the picture below. They were supposedly required for the installation subsidy program. What are these counters for and what can you read from them?
    Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected? Sofar Inverter: Can Fronius, SolarEdge Meters or S0 Counter Be Connected?
  • #25 18982970
    slawo12311
    Level 19  
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    They are probably connected to the pvmonitor visible on the left. For sure, it monitors home consumption and PV production. Do you use it?
  • #26 18983109
    Bałdyzer
    Level 12  
    Posts: 1396
    Rate: 225
    Board Language: polish
    slawo12311 wrote:
    They are probably connected to the pvmonitor visible on the left. For sure, it monitors home consumption and PV production. Do you use it?

    I do not use these meters, but it was a requirement to receive a grant in the form of 90% co-financing for the PV installation
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Topic summary

✨ The discussion revolves around the compatibility of SOFAR inverters with various meters, specifically those from Fronius and SolarEdge, as well as S0 counters. Users highlight that while SOFAR inverters can connect to meters with compatible Modbus protocols, they cannot measure consumption directly. A dedicated meter called Solarman is mentioned as suitable for SOFAR inverters. Additionally, users discuss the use of PVmonitor for monitoring production and consumption data, although some express concerns about the need for additional software and hardware to achieve comprehensive monitoring. The conversation also touches on the configuration of the inverter's remote server options and the limitations of existing solutions.
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FAQ

TL;DR: Sofar dataloggers can push data to 3 servers [Elektroda, macgaw, post #18378249]; “There must be a meter that will have a compatible modbus protocol,” advises Wlodek22 [Elektroda, 18343474]. Pair a Modbus-enabled meter (e.g., Solarman DTSD422) with the inverter to view both production and consumption in one app.

Why it matters: Choosing the right meter avoids blind-spots in self-consumption analysis and subsidy reporting.

Quick Facts

• Sofar WiFi datalogger firmware LSW3_14_FFFF_1.0.18 shows only Server A+B; later builds expose A+B+C [Elektroda, Wbm, post #18620384] • Solarman DTSD422-D3 meter is three-phase, 100 A direct, Modbus-RTU/TCP compatible [Solarman DTSD422 datasheet]. • Zamel Supla MEW-01 logs active/reactive energy every 10 minutes and exports XLS [Elektroda, 3301, post #18382106] • Typical smart-meter price: PLN 600–800 for Solarman DTSD422 in Poland (Solarman e-shop, 2023).

Can I plug a Fronius Smart Meter or SolarEdge meter into a Sofar inverter?

Only if the meter speaks the same Modbus registers the Sofar queries. Fronius and SolarEdge models use proprietary maps, so they will not work out-of-the-box [Elektroda, Wlodek22, post #18343474]

Which meters are officially supported by Sofar?

Sofar lists the Solarman DTSD422 series as dedicated; it appears in their shop as “Sofar-compatible energy meter” [Elektroda, matai123, post #20169111]

Does a Sofar inverter measure household consumption on its own?

No. The built-in logger records only PV production, not grid import/export [Elektroda, Darek J, #18352355; cuuube, #18352358].

How do I monitor consumption and production together?

Install a Modbus meter (e.g., Solarman DTSD422) at the supply point and wire RS-485 to the inverter. The inverter then uploads combined data to Solarman Cloud or another server you configure.

How can I add extra remote servers (PVmonitor, Home Assistant, etc.)?

  1. Connect to the inverter’s AP (SSID AP_xxx).
  2. Browse to 10.10.100.254 and log in (admin/admin).
  3. In Advanced > Remote Server set URLs for Server B and C, then save [Elektroda, slaslo, post #18379770]

Why won’t Sofar push directly to PVmonitor even after adding Server B?

PVmonitor expects a specific JSON payload; Sofar firmware sends Solarman-format packets, so the server rejects them. PVmonitor recommends a LAN-Kontroler bridge instead [Elektroda, lesiu681, post #18367596]

Can I use an S0 pulse counter with Sofar?

Yes, but only for external logging. Route the S0 pulses to a LAN-Kontroler or PLC; Sofar’s logger cannot ingest pulse inputs [Elektroda, cuuube, post #18342791]

Which firmware version supports all three remote servers?

Versions newer than LSW3_14_FFFF_1.0.18 add Server C. Earlier builds show only A+B [Elektroda, Wbm, post #18620384]

What is the Solarman DTSD422-D3 meter and how do I wire it?

It is a three-phase, 100 A direct-connected meter with RS-485 and optional Ethernet. Wire L1-L3-N through the meter, connect RS-485 A/B to the inverter’s Modbus terminal, and set baud rate 9600 bps. It reports voltage, current, power, and bidirectional energy [Solarman DTSD422 datasheet].

Is Zamel Supla MEW-01 a cheaper alternative?

Yes. It measures import/export per phase, logs every 10 minutes, and exports XLS. It lacks direct Sofar integration, so you need multiple apps [Elektroda, 3301, #18382106; Darek J, #18382315].

What happens if the inverter’s AP network disappears?

Press the datalogger’s RESET for 5 seconds to restore factory WiFi settings, then reconnect to SSID AP_xxx [Elektroda, slaslo, post #18379791]

Why did installers add extra meters for subsidy programs?

Grant rules often require separate certified meters for PV production and household consumption. These units feed data to pvmonitor or the funding portal for auditing [Elektroda, slawo12311, post #18982970]
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