Small and versatile software for PC serial port management, useful for serial communication testing and analysis, especially for MODBUS protocol.

RSMonitor.7z 

Allows:

• monitor each RS232 port of the PC
• send frames to serial port
• highlight the Modbus frame syntax
• automatically add the CRC
• save the communication log
• cyclically send communication frames
• accurately display the sending and receiving times 
• warn status bits of RS ports
• Use Virtual COM ports
• use all COM ports in the system