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I contacted Growatt (the producer) and they told me the inverter should in fact be Modbus-accessible through its RS485 connector and they even gave me another PDF containing the parameters that should be found in 2 registers (see attachment to this message, p9 = holding register, p47 = input...
Here's where I ordered it https://webshop.cedel.nl/Modbus-converter?gclid=Cj0KCQjwxveXBhDDARIsAI0Q0x38UT5TLW26IY-hXHAgfOoW6OZAYbf4P9D2e6Vt0_uPfw-WOKxPhm0aAuL7EALw_wcB
Unfortunately the website's not in English and there doesn't seem to be a datasheet on it, nor did one come with its delivery...
I have a solar inverter from Growatt (Model: MAX 70 KTL3 LV datasheet in attachment). I’m trying to read data from it using Modbus. For this, I’ve linked it to my laptop using an RS485 cable (with an USB-converter for my laptop’s USB port).
I’ve been having some trouble reading the parameters...
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