QModMaster Icon

QModMaster

Modbus TCP,RTU Master Software.

4.4 Stars (11)
446 Downloads (This Week)
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Description

QModMaster is a free Qt-based implementation of a ModBus master application. A graphical user interface allows easy communication with ModBus RTU and TCP slaves. QModMaster also includes a bus monitor for examining all traffic on the bus.

QModMaster is based on libmodbus <http://www.libmodbus.org/> for modbus communication and on QsLog <https://bitbucket.org/razvanpetru/qt-components/wiki/QsLog> for logging. Supports both Windows and Linux.

For Windows a pre-compiled binary is availiable. It does not require instalation, just unzip and run.

Source code is availiable for Windows and Linux for compilation using Qt 5.5.0 <http://www.qt.io/download>.

Check out my modbus slave project <http://sourceforge.net/projects/pymodslave/>.

QModMaster Web Site

Features

  • ModBus RTU/TCP Master
  • Monitor Bus activity [Raw Data and PDU details]
  • Supports both Windows and Linux

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User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
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User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    No able to open comport other than default com port provided in application. I tried to give COM9, COM10, COM11 and it always ends up in error such as INFO 2017-06-03T20:41:51.322 ..\qModMaster\src\modbusadapter.cpp @ 39 "Connecting to Serial Port [COM10]..." ERROR 2017-06-03T20:41:51.322 ..\qModMaster\src\modbusadapter.cpp @ 50 Connection failed. Could not connect to serial port INFO 2017-06-03T20:41:51.322 ..\qModMaster\src\rawdatamodel.cpp @ 17 Raw Data Model Line = "Sys > 20:41:51:322 - Connecting to Serial Port [COM10]...Failed" , No of lines = 1 INFO 2017-06-03T20:42:30.593 ..\qModMaster\src\modbusadapter.cpp @ 39 "Connecting to Serial Port [COM10:]..." ERROR 2017-06-03T20:42:30.593 ..\qModMaster\src\modbusadapter.cpp @ 50 Connection failed. Could not connect to serial port INFO 2017-06-03T20:42:30.593 ..\qModMaster\src\rawdatamodel.cpp @ 17 Raw Data Model Line = "Sys > 20:42:30:593 - Connecting to Serial Port [COM10:]...Failed" , No of lines = 5

    Posted 06/03/2017
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Userfriendly, works well except for one annoying bug... The TCP messages do not include the slave address, so this cannot work with modbus TCP gateway that had several slaves attached.

    Posted 05/31/2017
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Sadly, the Windows GUI is unusable on a high-dpi display. Enabling and disabling scaling have no effect -- the controls are scaled properly, but are presumably positioned with hardcoded pixel counts -- they are too close together and can't be read. No obvious way to alert the developer.

    Posted 01/02/2017
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Source code isn't available. qt.nokia.com/products is offline. Can you upload source code please?

    Posted 11/27/2015
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Register on the site just to say thank you to the author! I got the device modbus-tcp to buggy implementation of tcp-ip, the device does not ping from windows xp, 7,8,8.1, but answered icmp sent from Linux and it gave hope to connect. tcpdump has shown that the device is properly considered in ip packet checksum. I spent 3 days in search of opportunities to set up the device, tried a lot of programs (modbuspoll etc.) until I found this program. And this program is able to read and write registers from the device!

    Posted 06/01/2015
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Additional Project Details

Intended Audience

Telecommunications Industry, Advanced End Users, Engineering

User Interface

Qt

Programming Language

C++

Registered

2012-02-17

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