232Analyzer is an advanced serial port monitor, RS232 monitor, Rs232 protocol analyzer software, debugger,sniffer, it allows you to control, debug, monitor, sniff, test and analyze serial port activities with RS232/RS485/RS422/TTL converters. It allows communication logging (c/w timestamps) between serial devices using serial ports (with optional monitor/control cables and rs232/rs485/rs422/TTL converters), e.g. Modbus, PLC, SCADA.
Version 5.5 adds full signals (CTS, RTS, DTR, DSR, DCD, and RI) monitoring, auto COM port number detection. Commands can be repeatedly sent up to 999 times. Programmable buttons can now be looped until manually stopped.