<![CDATA[Modbus RTU Encapsulation (Modbus over TCP)]]>Hi,

I've used it so far only serial Modbus RTU, ort TCP Modbus TCP communication.
Now In my device I have port server with connected serial device.

Form my qt application I must send Modbus RTU frame to IP addres:PORT (192.168.1.50:4001) ... How do this ?

]]>https://forum.qt.io/topic/154375/modbus-rtu-encapsulation-modbus-over-tcpRSS for NodeTue, 15 Sep 2026 08:38:08 GMTWed, 07 Feb 2024 08:00:35 GMT60<![CDATA[Reply to Modbus RTU Encapsulation (Modbus over TCP) on Wed, 07 Feb 2024 10:54:03 GMT]]>it's not quite clear if your Qt application is supposed to be the master or the client.

Either way, for Slave use:
Qt5:
https://doc.qt.io/qt-5/qmodbusrtuserialslave.html#details
Qt6:
https://doc.qt.io/qt-6/qmodbusrtuserialserver.html

for Master:
Qt5
https://doc.qt.io/qt-5/qmodbusrtuserialmaster.html
Qt6:
https://doc.qt.io/qt-6/qmodbusrtuserialclient.html

]]>https://forum.qt.io/post/789123https://forum.qt.io/post/789123Wed, 07 Feb 2024 10:54:03 GMT