This software monitors serial ports, troubleshooting communication issues and logging data from instruments like RS232, RS485, and Modbus. It can control the output and input states of the serial port.

One of the most compelling features of this software is its flexibility. It can understand and display data in ASCII, hexadecimal, or binary format, and you can log this data to text files. The technical support for this software is also free for life, which adds value to the package.
The software can be tailored to work with a wide range of analytical instruments, including GPS, PICs, scales, balances, RFID readers, pH transmitters, data loggers, titrators, particle analyzers, PIC microcontrollers, pressure transmitters, water baths, hygrometers, oxygen electrodes, I2C devices, plcs, and laboratory scales. You can build command strings in a flexible way, and parse the received data strings to extract data values.
Another great aspect of this software is its ability to handle devices from many different manufacturers. For example, serial devices from Anton Paar, Ashtec, Daily RFID, Dataq Instruments, Datel, Datataker, Denver, Desoutter, Ecom, Edge Tech, Electro Industries, Fisher, Furuno, Garmin, Honeywell, Horiba, Mettler Toledo, Microchip, Motorola, Molyteck, Newmar, NovAtel, Nu-Metrics, Omnistar, Omron, Orion, Parallax, Paroscientific, Patton, Phytron, Quantum Logic, Quest Scientific, Sartorius, Siemens, Telegan, Telemecanique, Texas Instruments, Transcell, Tritech, TTi, TSS, Turner Designs, Varian SenTorr, Veris, Weeder Technologies, Weilheimn, WTW, and World Precision Instruments have all been handled by Windmill.
Overall, this software is a reliable and feature-packed solution that can help you monitor, troubleshoot, and log data from a wide range of communication devices. With its flexibility, versatility, and compatibility with multiple manufacturers, you can be confident that this software will meet your needs, no matter what communication systems you use.
Version 2.0: ComDebug now logs data from one instrument connected to the PC's COM port over RS232, RS422, RS485 and Modbus.