Modbus Protocol Analyzer

Professional Modbus RTU/TCP debugging tool with real-time packet analysis

A powerful Chrome extension for debugging and analyzing Modbus communication protocols. Supports both RTU (Serial) and TCP communication modes with real-time packet analysis, advanced logging, and comprehensive debugging tools. Key Features: • RTU (Serial) communication via Web Serial API • TCP Native communication via Native Messaging • Real-time packet logging with virtual scrolling • Modbus command generator with GUI • Multi-language support (Korean/English) • Professional debugging tools • Response time analysis and statistics • Automatic CRC calculation and validation • Export logs in multiple formats (JSON, CSV, TXT) Supported Modbus Functions: • Read Coils (0x01) • Read Discrete Inputs (0x02) • Read Holding Registers (0x03) • Read Input Registers (0x04) • Write Single Coil (0x05) • Write Single Register (0x06) • Write Multiple Coils (0x0F) • Write Multiple Registers (0x10) nPerfect for industrial automation engineers, system integrators, and developers working with Modbus devices