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Welion hybrid inverter communication

chukaonline

New Member
Joined
Jul 31, 2022
Messages
7
Hello,

I just installed a Welion WE-HY 4.2kw eco hybrid inverter. It has both an RS485 (BMS) and RS232 (wifi) communication interface. I cannot seem to find any documentation that can help me connect it to my smart home (Home Assistant).

I have used both SRNE and Epever inverters in the past and have them connected to my smart home so how to do it is not a problem IF I can get the pinout and communication protocol used.

While searching online, I could see that Anern AN SCI EVO 4200w has the exact same manual and functions but I also cannot find any documentation for that online also. I remembered that this forum (and HA community forum) is where I got most of the information that helped me integrate SNRE into my HA so I am posting to see if anyone can help with this.

Thanks I advance.

This is the inverter Welion hybrid inverter website
 
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