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FEEDBACK I got it working now, RS485 communication between Axpert II max 10kw and a battery using the PACE BMS inside. 1) the RS485 cable uses: pin 3 and 5 (inverter side) to battery pin1 and pin2 (this depends of the battery of course) 2) I used PbmsTools and changed the "Inverter Set" to...

hello friends, I need some ideas, feed back on experience with BMS. I have an Axpert II max 10kw connected to a battery (10kw - 15S) using the PACE BMS inside. Communication between Axpert and battery using RS485 is working. I can see that the settings 26-27 (bulk and float) are automatically...

My inverter is also a charger, Axpert MAX II 10kw. I was trying to connect the battery to the Axpert MAX II 10kw the cable I made is: 3-5-8 to 4-5-8, but cannot make the inverter talk to the battery. Sorotec engineers are not helpful, I'm trying to get the information for the battery, which...

04 is low battery warning. What are your battery settings on the inverter? especially, what is the cut-off voltage set to?

Ok, got the RS232 working now. I use the pin layout as described by HighTechlab. The driver (I use win10) is the most important piece here to make it working, also make sure you have a software that will use RS232. I use PbmsTools HS1.0.6 (but it also works with other PbmsTools versions) I...

I read somewhere that it will work with the SPH, however I lost the link and can't find it anymore :( Anyway, some strange things I experienced using an CHNT, ok, this was on a Growatt MOD inverter, and had to set BOTH inverter and smart meter to address 004 (WEIRD....). just to tell you...

very late feedback, problem solved, as long you don't have a 2 way meter installed by the utility company, they will charge you both directions. the only solution is to get the meter changed or install a smart meter with zero export config

Hi Dexter, thank you for the useful information. The only problem I have is that my inverter discharge the battery until the battery goes into alarm. Last time, it was around 4% SOC. My inverter is connected to the battery using CAN. Is it possible that some information is not sent using the...

I had exactly the same problem, here is how to solve it. 1) press the RST button for more than 5 seconds. if this not works (and it didn't work in my case) 2) Connect your laptop to the BMS RS232. (if you have this cable) and use the software PBMSTOOLS. if your RS232 connection is working, you...

:) correct, I was not talking about SOK batteries. isn't 5% SOC too low? many people say to respect the charge until 80% and discharge until 20%..... Thanks :)

Hi Philos, others, Due to the big problem to get a 3phase smart meter at Growatt, I bought an Eastron SDM630-modbus V2 somewhere else (not at Growatt), will this one work just like the one that is sold by Growatt? Can it also be added in their monitoring system?

Hello guys, Due to the big problem to get a 3phase smart meter at Growatt, I bought an Eastron SDM630-modbus V2 somewhere else (not at Growatt), will this one work just like the one that is sold by Growatt? Can it also be added in their monitoring system? How to read the serial number from the...

bonjour Titi, Bonne annee! utilise le cable CAN ne fait pas beaucoup ... je ne sais pas controler le battery lithium sur base de tension... avec un load de 500W, le voltage est 48.9V et le SOC est 23%, apres quelques heures, avec un load tres faible (60W), le voltage du battery est 48.9V et le...

Hi Andrey, I only know about SolarAssistant which is pretty good and runs on a dedicated RPI. unfortunately in your case to monitor and be able to make changes on your 3x parallel inverters, and 2 others, you would need 3x RPI and 3 licenses. So that becomes pretty expensive.... As far I...

yes, that is the inverter. I have utility available, so I changed setting 16 from OSO to CSO. setting 12 on 48V (that gives me around 18% SOC) That is the best setting I found that works for me... But still wondering why I have no extra value using BMS, since I had to go back to USE and put...

Hello members... I have a REVO III 8kw with a Sorotec 10kw Lithium battery. Between the inverter and battery I have a RS485 cable, which is working since I can see the battery information on my inverter (voltage, charge/discharge, SOC, etc...) When I set the inverter on Lithium, only float...

I just found the answer to my question in another topic on this forum (https://diysolarforum.com/threads/soc-precision.53004/) and all is clear now. The question I have now is: can I use some kind of battery monitoring system that can act on SOC? how do I need to connect it? which ones are...

Hello Camelcase, thanks for the good information! I'm looking more into a device that can protect my battery from discharging below a SOC of 20% .... is there any device on the market like this? (obviously the inverter cannot, based on the voltage :) I guess it would be easy to read the SOC%...

Dexter, I can help and add Dutch as language, let me know the procedure... thanks!

Hello friends, I bought the Revo-E 5.5kw inverter. everything works fine, however I would like to change parameters using the RS232 interface. I can only Query information using the RS232, whenever i want to change a parameter, it gives me back a NACss I believe this is firmware related, but...

Hi Schmism, Thanks for your reply! The meter is a 1 way digital meter, I have no intentions to give power back to the grid. The grid provider has not been notified because there is no legal obligation here as long you dont want to sell your excess power. (pushing back power to the grid) The...

Hi Don, Thank you for the info ! it points me in the right direction... :) I am looking for device that will work bi-directional between battery and inverter (charge and discharge) Actually, read the SOC value from the battery and if lower than a set value, disconnect the battery, or better...

Glad that your issue has been solved. maybe your monitoring software can do this, which monitoring software are you using? you can always setup VNC server on your RPI and the VNC client on your laptop or other device. Then you can remote access your RPI and change most of the settings. (this...

Hi Chladekj, I did not solve the problem, the firmware does not allow changes. This has been confirmed by Sorotec.

hi Alh, I dunno about Growatt, but looking at the manual, I think we first need to know what settings you have for program 1, 5, 12, 19, 20, 21 ?

I had a reply from Growatt support. If you don't buy the smart meter at Growatt, it will not work because Growatt re-write the smart meter registers. FYI: Growatt smart meters are now CHNT, it looks like they don't use Eastron anymore. Anyway, if you want a smart meter that works with the...

I have a sunny boy 4.0 with 4100Watt installed panels. All looks good on the inverter dashboard and the inverter tells me that it generates power (e.g 3000 watts). When I measure, I see that all generated power goes into the grid, leaving almost nothing for the house. The grid meter also show...

Bonjour titi, Cette information est pour un inverter REVOIII 8kw, je suppose que c'est le meme pour les autres inverters... Note: RS485,CAN communication share the same port ,so it can’t be used at the same time. Communication port definition: RS232 1:RXD , 2:TXD,8:GND RS485 6: 485-B ,7...

you are correct, as long the battery have enough power, the inverter should not shutdown. HOWEVER it could be due to some settings!! Try to factory default the inverter settings. check if you have the same issue with the Grid connected... Do you have a BMS cable to your battery? -->...

interesting, I didn't try with this model, but I know that on some clones it works "only with batteries", so it depends of the firmware. (the electronics inside look 100% similar) I believe if you have no success in SUB mode, it will not work in other modes, anyway would be interested if you...