QModBus - a free ModBus master application
QModBus is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy communication with ModBus slaves over serial line interface. QModBus also includes a bus monitor for examining all traffic on the bus.
QModBus originally has been developed by EDC Electronic Design Chemnitz GmbH
and now is publicly available under the terms of the GPLv2.
You can obtain the latest source code from Git repository as described here
Source tarballs and binary packages for Windows can be downloaded here
Currently there's only one very basic screenshot - it does not show a real ModBus session with actual data.
- Supports RTU mode of ModBus protocol
- Parameters of serial port fully configurable
- Bus monitor for examining all traffic on the bus
- Backend based on libmodbus
- Supports both Linux and Windows
More details regarding QModBus can be found on the Sourceforge project page of QModBus
You can mail the author by sending a mail to tobias |dot| doerffel |at| gmail |dot| com