Here is version 1.1.2 of the Sungrow Communication Protocol of Residential Hybrid Inverter document should it be of use to anyone… Communication Protocol of Residential Hybrid Inverter-V1.1.2.pdf (488.2 KB)

Here is a later version - V1.1.4 Communication Protocol of Residential Hybrid Inverter-V1.1.4.pdf (742.9 KB)

Since I am currently double checking every value my Sungrow Inverter reports this is appreciated! The newest revision I have found is 1.1.5: TI_20240924_Communication Protocol of Residential Hybrid Inverter-V1.1.5-1.pdf (422.0 KB) However, after the latest firmware update I noticed that register …

Here is version V1.1.9 TI_20250620_Communication Protocol of Residential Hybrid Inverter_V1.1.9_EN.pdf (469.0 KB)

Hi, I’m new to this forum, being generally interested into Smart Home topics and specifically for accessing my Sungrow SH10RT-v112 inverter via Modbus. For this I am looking for a documentation of the Sungrow modbus registers and came across this thread, but I am not able to download any of the PDF…

Hi @Schorsch64 , Here is V1.1.9 again… TI_20250620_Communication Protocol of Residential Hybrid Inverter_V1.1.9_EN.pdf (469.0 KB) Hmmm…I can’t open this one either - it says “Oops! That page doesn’t exist or is private.” Anyone know how to fix that please?

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[modbus.sungrow] Sungrow Communication Protocol of Residential Hybrid Inverter Document

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HolBaum5 (Holger Baum) September 4, 2025, 11:05am 7

see Sungrow-Inverter/Modbus Information at main · bohdan-s/Sungrow-Inverter · GitHub

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