This document describes the Modbus protocol used by Huawei solar inverters, and can be used to regulate follow-up third-party integrated development. Huawei solar inverters comply with the standard Modbus protocol, and this document focuses on the information specific to Huawei. This issue is the first oficial release. The SUN2000 can connect to the SmartLogger or to a PC through the SmartLogger to implement RS485 communication. You can use the SUN2000 APP, embedded WebUI, or the network management software (such as the NetEco) on the PC to query information about the SUN2000, such as energy yield, alarms, and. This chapter describes the solar inverter models that use the Modbus protocol and the earliest firmware version. 1 Model Description Table 1-1 Supported models and firmware versions Model Model ID Earliest Firm Version SUN2000L-2KTL 305 SUN2000L V100R001C00 SUN2000-2KTL-L0 338 SUN2000L V100R001C00. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. Every. GitHub - Atrabilis/huawei-solar-tools: Huawei Solar Tools is a Python library that enables communication with Huawei solar inverters, batteries, power meters, and EMI devices using Modbus TCP. It provides utilities for reading registers, interpreting data, and integrating with external systems.