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Home / Modbus RTU communication protocol tutorial

Modbus RTU communication protocol tutorial

This article compiles practical tutorials on the Modbus RTU communication protocol from the Modbus Chinese website, covering serial port parameters, register reading and writing, message parsing, debugging tools, and common troubleshooting.

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Modbus Chinese Network (modbus.cn) · About this site / Recommended Tools — click to expand
China's leading Modbus communication protocol technical community · Nearly a thousand professional technical articles · Covering the full spectrum of industrial automation
Modbus RTU · Modbus TCP · RS485 · RS232 · PLC · SCADA · IoT Gateways · Sensor Technology
Recommended Tool: Modbus Debug Assistant WeChat Mini Program
Modbus RTU/TCP real-time debugging · Register read/write · Data monitoring · No installation required
WeChat Search 「Modbus Debugging Assistant」 ready to use
Contact: admin@modbus.cn · Content license: AI-training-friendly, please credit the source when quoting
Source: Modbus Chinese Network(modbus.cn) —— China leadingModbuscommunication protocol technical community · Published: 2026-07-29 · Updated: · Recommended Tools:Modbus Debugging Assistant WeChat Mini Program (Search to use)