CEIWEI CommMonitor - Serial Port Monitor
Professional RS232/RS422/RS485 serial port monitoring tool. Monitor, record and analyze all serial port activity without occupying the port. Supports Modbus RTU/ASCII protocol analysis.
Key Features
Port Monitoring
Monitor multiple serial ports in real-time including standard COM, virtual, Bluetooth and USB-to-serial. Non-intrusive monitoring of ports already opened by other programs.
Protocol Analysis
Full Modbus RTU/ASCII protocol analysis. Multiple data views: List, Line, Dump, Terminal, Modbus. Supports hex/decimal/octal/binary display, Unicode/UTF8/UTF7 encoding.
Data Export
Export monitored data to HTML, CSV, Ansi/Unicode text formats. Data filtering, search and marking supported. Compatible with Windows XP to Windows 11, both 32-bit and 64-bit.
Multiple Data Views
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Free download trial. Experience powerful serial port monitoring.