SCADA Modbus Control

Software Dev tools:




Cross platform

Debian Linux, Windows, OS X

Initial version must compile and run on Linux Debian and Windows 32bit







Examples of Modbus master with QT:



1. Console server ncurses program for communication, processing, log database updates and client authentication via radius.

2. Client QT GUI for system monitoring, display and setpoints of control values.

Console server program requirements:

1. Connect two unique Modbus TCP slaves simultaneously. framework should be scalable for future slaves.

2. Configure IP / hostname and ports for slaves via ncurses menu.

3. Read / Write all values to arrays from provided modbus tables.

4. Process values from / to arrays to real values then write / write SQL tables for logs or recipies.

5. Send read and write status for each modbus device and user / client connects and disconnects to log heartbeat.

6. Config should be plain text file for easy editing.

7. Two modes for users: read only for user R/W for admin.

Client QT GUI

1. Connect to server via RPC.

2. Display read only values output only boxes and set points R/W 3. values in I/O boxes that can be locked out with menu selected lockout.

4. Display heartbeat of all devices in upper left corner..

Future improvements after initial goals are met:

1. Modbus RTU

2. Alarms function on server if modbus values are out of range or set.

3. Display Alarms on client.

Skills: C++ Programming, PostgreSQL

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About the Employer:
( 1 review ) Brewer, United States

Project ID: #12756853

12 freelancers are bidding on average $715 for this job

$1666 USD in 20 days
(54 Reviews)
$555 USD in 10 days
(17 Reviews)

hello,how are you. i read your bid carefully. i am Modbus, QT expert and have full experience for 10 years. also c++ language is my top skill. i can provide most quality and high speed. if you want to success, plea More

$555 USD in 10 days
(26 Reviews)

hi I have very good experience in : Qt/c++ all versions : see my book link : [login to view URL] I use libmodbus tcp and rtu mode . c,c++ and nodejs lib skills : opencv portaudio libmodbus pjsip I h More

$400 USD in 45 days
(7 Reviews)

Hello. I am expert in Modbus (RTU, TCP/IP). I am also expert in C++/QT. I can do your job well. Could we discuss more details about your project. Thanks.

$833 USD in 18 days
(27 Reviews)

Hi. I'm a programmer from Russia with strong skills in C++. You can see the full list of my skills on my profile page. My offer is to use C++ and Qt library. C++ will provide the best performance compared to other pr More

$555 USD in 20 days
(7 Reviews)

Hello, We have accomplished 90% of the project which is similar of your requirement. All we need 10% customization as per your requirement set and specifications. I want to discuss in personal chat in order to explore More

$773 USD in 20 days
(2 Reviews)

Hi, I have over 10 years of professional software development experience using C, C++, Qt, Python and OpenGL. Some of products where I have contributed significantly [login to view URL] http: More

$750 USD in 10 days
(2 Reviews)

Interested to do the task ********************* ***************************************************************************

$555 USD in 15 days
(4 Reviews)
$833 USD in 10 days
(2 Reviews)

Hello I have read what you exactly need. However, I would like to ask you a few questions. I do work in a smart way and do not rest until I get the job done. Please feel free to contact me anytime so we can have a deta More

$555 USD in 10 days
(0 Reviews)

i can offer you an scada working in modbus protocol or if you prefer even a cloud based scada

$555 USD in 14 days
(0 Reviews)