232Analyzer is an advanced serial port protocol analyzer software

232Analyzer is an advanced serial port protocol analyzer software, which allows programmers, engineers and others to control, monitor and analyze serial port (RS232 / RS485 / RS422 / TTL, etc.) activities.
232Analyzer allows you to control and monitor serial devices right from your PC. It supports data input and monitoring in Hexadecimal, Decimal, Octal, Binary and ASCII formats. It also allows you to change / monitor RS-232's line states: RTS, DTR, CTS, DSR, DCD, and RI. All data and signal flows are logged in the Communication Window, which can be saved as .txt, .doc or .rtf files for further analysis.
232Analyzer comes with many advanced features, such as:


- Being able to monitor communications between serial devices with timestamps;
- Programmable Buttons: Send up to 32 commands with a button click;
- Auto-Response: Automatically respond to incoming data / signals;
- Macros: Up to 64 steps of Logic and Timer processes for handling sophisticated serial devices;
- Checksum Calculator: Advanced checksum bytes calculator.


232Analyzer is useful for controlling, testing, developing, and debugging serial devices, control software and firmware. It is widely used in industrial and commercial control and automation systems (our customers include Siemens, Honeywell, Johnson Controls, Schneider Electric, Ericsson, etc.). The FREE Limited Version has no time limitation, so feel free to use or distribute it.