Hi,

I would like to know if the above-mentioned inverter and battery have any way of communicating. Any advise would also be welcome.

Not directly, only models with a removable or the newer round display have RS-485 etc ports and the firmware to talk to the BMS.

But you can use Solar Assistant or similar to talk to the BMS and inverter, as an intermediary if you like. 

Thank you for the reply. Solar assistant? Is it software or device? Sorry.....but I am new to this and only starting now.

Hi. I am now the proud owner of the following device thanks to expert advice from Coulomb.....thank you

19 hours ago, Juvan said:

Solar assistant? Is it software or device?

Both.

11 hours ago, Coulomb said:

Both.

Thanks my friend

Hi y'all. So i purchased some solar equipment..thinking I could figure it all out as I went along. Boy did I hit a brick wall? Hope there is someone out there that might have pity on me and help me with a wiring diagram or some clear instructions.

 

Please see attached files on items I purchased.

1 x SOL-I-AX-5P64 inverter

2 x Pylontech 2.4kw US2000C batteries

6 x 455 JA Solar panels

1 Raspberry Pi for communication between batteries and inverter

1 x battery disconnect switch

Also have MC4 connectors and various circuit breakers

 

Kind regards

5 hours ago, Juvan said:

6 x 455 JA Solar panels

I'll leave it for others to hopefully provide a diagram, but make sure that you wire these panels 2S3P. You might be tempted to wire them 3S2P as it's easier and requires less cable, but the voltage will be far too high and you could damage the Solar Charge Controller.

Thank you very much for your suggestions Coulomb. I really appreciate. Your input helps me a lot.

Hi Juvan

Did you manage to get the Dyness battery to talk to the Pi(SolarAssistant)

Edited May 8, 20224 yr by Goosie

Hi Goosie. I have not installed anything yet. I asked for a connection diagram but no help so far. Sorry bro.

Hi

Just want to bump this thread to see if you got your BMS working correctly with Solar assistant?

I currently have 2x 5kw Super Infinisolar (SOL-I-IS-5M) and 2x Dyness B3 3,6kw units and i am struggling to get the correct SOC and BMS going on the software...

 

I have tried to communicate dirctly with the battery, and what i have figured is that the DIP switches are in reverse according to my tests???

Dyness manual gives the following:

Dip1 - BAUD rate selection, ON is CAN250K or 485: 115200, OFF is CAN500K or 485: 9600

Dip2 - RS485 selection

Dip3 - Select the Master unit

Dip4 - nothing

 

What i found when communicating directly:

Dip1 - nothing

Dip2 - Select the Master unit (set to 1 for master, set to 0 cant communicate)

Dip3 - RS485 Selection (0 gives RS485 Comms in my tests)

Dip4 - BAUD rate selection, ON is CAN250K or 485: 115200, OFF is CAN500K or 485: 9600. (0 gives 9600 comms and 1 give 115200 comms)

 

This is what was read directly:

 

RS485 Comms on 9600,N,8,1,0

 

[08:52:43] <= Response: 01 03 FA 00 00 14 32 00 64 00 64 1D 4C 1D 4C 1D 4C 00 0D 00 00 00 00 00 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 17 00 00 01 77 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 78 05

[08:52:43] => Poll: 01 03 00 00 00 7D 85 EB

 

Screen shot is attached.

 

I am going to try these settings tonight on my batteries and see what the software pics up.

I have been talking to Pierre as well from Solar assistant, so i will let you know when i get any answers.

I have purchased 12x 480W solar panels and 2 more 3.6kw dyness so im really hoping to get the software working well with the BMS system so i can integrate well with home automation and so on.

My current solar assistant setup does not read the BMS properly and does not show the 2x batteries seperately i currently have. Also, when i pull a mere 1 kW for 1 hour it drops my SOC to 50 odd percent which is not the case, therefore i suspect the unit is reading the voltage and converting that to a SOC value, instead of actually reading the true SOC condition.

 

Will keep you posted.

 

Hi guys... got this working through solar assistant using the above info and the details are correct regarding the DIP switch configuration. They have some how swopped them around.

I will try read the bms now through the inverter and let you know if i come right.

Hi Brain if i my ask witch cable have u used from the battery to the raspberry with solar assistant on it and witch settings on solar assistant . for are trying to get reply from solar assistant on mail and face book with no reply from the beginning of the weak 

i have pylonteck battery's connected to axpert inverter using solar assistant working grate 

installed second system for my mom using axpert max and dyness battery's but that app is useless want to install solar assistant there 2  

but there know cable for dyness batterys on the site 

 

thanks 

@Buldogspanner, you can purchase the Dyness cable from Mofasa Energy Solutions +27765209878, i have an axpert inverter with a Dyness  battery and bms is working 100%

Hi @Buldogspanneri am using a rs485 cable from the battery to the PI. basically ethernet, to rs485 into usb on the PI. Make sure that your master battery only has dip switch number 2 up and all the rest down. and for any other batteries, all the dip switches down. Let me know if you would like a photo or 2.

This is basically what the dip switches are doing:

Dip1 - nothing

Dip2 - Select the Master unit (set to 1 for master, set to 0 cant communicate)

Dip3 - RS485 Selection (0 gives RS485 Comms in my tests)

Dip4 - BAUD rate selection, ON is CAN250K or 485: 115200, OFF is CAN500K or 485: 9600. (0 gives 9600 comms and 1 give 115200 comms)

 

I have the same config as Brian_sa and the pi is talking to the battery directly. All seems great, except, capacity is being reported as 50ah (see snapshot of the battery page on solar assistant), when this is actually a Dyness 5.12kWh, 100ah battery. Could the protocol be incorrect (I have it set to Dyness)?

 

On 2023/02/02 at 10:58 PM, CollinRM said:

I have the same config as Brian_sa and the pi is talking to the battery directly. All seems great, except, capacity is being reported as 50ah (see snapshot of the battery page on solar assistant), when this is actually a Dyness 5.12kWh, 100ah battery. Could the protocol be incorrect (I have it set to Dyness)?

 

 @CollinRM Hi, I have the exact same problem at the moment. Did you find a solution?

Edited April 14, 20233 yr by MasterJack

On 2022/06/17 at 4:01 AM, Brian_SA said:

Hi @Buldogspanneri am using a rs485 cable from the battery to the PI. basically ethernet, to rs485 into usb on the PI. Make sure that your master battery only has dip switch number 2 up and all the rest down. and for any other batteries, all the dip switches down. Let me know if you would like a photo or 2.

This is basically what the dip switches are doing:

Dip1 - nothing

Dip2 - Select the Master unit (set to 1 for master, set to 0 cant communicate)

Dip3 - RS485 Selection (0 gives RS485 Comms in my tests)

Dip4 - BAUD rate selection, ON is CAN250K or 485: 115200, OFF is CAN500K or 485: 9600. (0 gives 9600 comms and 1 give 115200 comms)

 

Thanks for the info on this @Brian_SA. What cabling and pinouts are you using to connect the battery to PC? 

Which software are you using? Are you able to query cycles and SOH?

 

@Tsa I am using solar assistant software on a Raspberry Pi unit. Yes, all the battery info is displayed on the solar assistant software app.

3 hours ago, Brian_SA said:

@Tsa I am using solar assistant software on a Raspberry Pi unit. Yes, all the battery info is displayed on the solar assistant software app.

Thanks @Brian_SA: Was hoping there is some other software just to be able to get a snapshot of current cycles and SOH. Will try a few options that have been mentioned on the forum.  DIP will be 0100 and will use Pin1 and Pin3 to the USB/RS485 converter as per below from the battery manual. 

If anyone has software suggestions, please shout.