Hi Guys 

Just wanted to share my latest video on installation and connecting your inverter to Home Assistant using the new RS485 shield and ESP32C board. 

Makes life much easier to set the thing up, no soldering and you only need to connect the power up inside the inverter to a 12V power supply and the RS485 cables so dead easy. 

You can get the board and an ESP32 from https://smarthomeintegrations.co.za/ for R400 and get delivery in a day or so. 

Slipx06 (Paul) has also included some cool new YAML code to calculate Daily energy production and consumption in the ESP32 and send that info to HA as well. 

Let me know what you guys think of the video please

 

 

Edited December 9, 20232 yr by Sc00bs

Probably better to change the title to the brand of inverter this is related to.

I've renamed and updated the config file to include the PV3 sensors. You just need to uncomment and then select the correct solar total sensor.

Great video, thank you! 

Do I understand correctly that this can communicate on the rs485 port while the Sunsynk dongle is still connected and have both working simultaneously? 

Having 2 x 5kW Sunsynk inverters installed in parallel as a master and a slave, do you only need to connect to the master, or loop the same connection to the slave, or have a seperated ESP32 board connected to each? 

 

Thank you for the great content and for sharing and making it availible! 

6 hours ago, Bushbaby said:

Great video, thank you! 

Do I understand correctly that this can communicate on the rs485 port while the Sunsynk dongle is still connected and have both working simultaneously? 

Having 2 x 5kW Sunsynk inverters installed in parallel as a master and a slave, do you only need to connect to the master, or loop the same connection to the slave, or have a seperated ESP32 board connected to each? 

Thank you for the great content and for sharing and making it availible! 

Hi @Bushbaby

That is correct, you can run both the Sunsynk dongle and the ESP32 at the same time. 

You will need a separate ESP for your master and slave. 

I am not sure how the code will be different on the master vs slave and would need to do some more investigation.  

 

Smarthomeintegrations.co.za has an option to buy a Master/Slave combo on his website with his firmware on it so there is always that option as well

You can have a look if this will work

Add a slave id modbus controller

then double every register 

 

Edited December 11, 20232 yr by Yuri

Thanks @Yuri, that makes a lot of sense. 

I am assuming that you can then run it all from one ESP32, is that correct? 

1 hour ago, Sc00bs said:

Thanks @Yuri, that makes a lot of sense. 

I am assuming that you can then run it all from one ESP32, is that correct? 

I just got a second 8KW inverter and will install it next week and test everything. 

Yes, I think it will work with 1x ESP32

Edited December 11, 20232 yr by Yuri

On 2023/12/11 at 11:45 AM, Yuri said:

I just got a second 8KW inverter and will install it next week and test everything. 

Yes, I think it will work with 1x ESP32

Awesome, let me know if it works please. Maybe we can get @slipx to include a dual inverter file on his GitHub as well 🙂

I have been busy with the installation of my second 8KW…

I will only have a chance next year for testing

It is working 

Here is the slave inverter

That's awesome @Yuri  

Can you maybe share your YAML code and @slipx can post it on his Github page 

 

That's a good idea.
I also need a YAML for my Deye 13kW 3P inverter

Thanks for your help

Tenker

I have just completed it8KW Sunsynk Master-Slave .txt

5 hours ago, Tenker said:

That's a good idea.
I also need a YAML for my Deye 13kW 3P inverter

Thanks for your help

Tenker

There is Yaml code for the 3Phase on the Slipx Github page already 

https://github.com/slipx06/Sunsynk-Home-Assistant-Dash/blob/main/ESPHome-3P-Sunsynk-Deye.yaml

I have made a better YAML

8KW Sunsynk Master-Slave .txt

I have added lots of the power ,current and energy registers 

That's awesome @Yuri , will update my repo and try send it back to Slipx 🙂 

The other thing which you can do is create sensors using the value of sensors over time to calculate them . 

So things like, kw/hr per day per MPPT controller for example, which isn't info you can poll from the inverter. 

You need to have the timer enabled so that the counters reset at 00:00 every night. 

On 2024/01/02 at 10:16 PM, Sc00bs said:

There is Yaml code for the 3Phase on the Slipx Github page already 

https://github.com/slipx06/Sunsynk-Home-Assistant-Dash/blob/main/ESPHome-3P-Sunsynk-Deye.yaml

Thank you for your help, 

it is running

Thank you very much
Tenker 

 

 

Edited January 8, 20242 yr by Tenker

On 2024/01/03 at 12:28 PM, Yuri said:

I have made a better YAML

8KW Sunsynk Master-Slave .txt 119.77 kB · 6 downloads

I have added lots of the power ,current and energy registers 

Hi All

The code is not reading my slave is there anything you need in order to be able to help?

Using two 5kw Sunsynk Inverters

Thank you

Just now, lenox said:

Hi All

The code is not reading my slave is there anything you need in order to be able to help?

Using two 5kw Sunsynk Inverters

Thank you

What modbus address is your slave set to? 

1 hour ago, lenox said:

Hi All

The code is not reading my slave is there anything you need in order to be able to help?

Using two 5kw Sunsynk Inverters

Thank you

Have you made a daisy chain link from the master to the slave rs485 ports?

1 hour ago, Sc00bs said:

What modbus address is your slave set to? 

0x02

28 minutes ago, Yuri said:

Have you made a daisy chain link from the master to the slave rs485 ports?

Hi

They are linked with parallel cable should I also link them with the RS port aswell.

 

Thank you

1 hour ago, lenox said:

Hi

They are linked with parallel cable should I also link them with the RS port aswell.

 

Thank you

If you plug the ESP32 into the Slave inverter do you get the Slave readings in Home Assistant?