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<td >Qt 5.9</td><td ><a href="qtserialbus-index.html">Qt Serial Bus</a></td><td >Modbus Master example</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#running-the-example">Running the Example</a></li>
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<h1 class="title">Modbus Master example</h1>
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<p>The example acts as Modbus master sending Modbus request via serial line and TCP respectively. The shown dialog allows the definition of standard requests and displays incoming responses.</p>
<p class="centerAlign"><img src="images/modbusmaster.png" alt="" /></p><a name="running-the-example"></a>
<h2 id="running-the-example">Running the Example</h2>
<p>To run the example from Qt Creator, open the <b>Welcome</b> mode and select the example from <b>Examples</b>. For more information, visit Building and Running an Example.</p>
<p>The example must be used in conjunction with the <a href="qtserialbus-modbus-slave-example.html">Modbus Slave example</a> or another Mobus device which is either connected via TCP or Serial Bus.</p>
<p>Files:</p>
<ul>
<li><a href="qtserialbus-modbus-master-mainwindow-cpp.html">modbus/master/mainwindow.cpp</a></li>
<li><a href="qtserialbus-modbus-master-mainwindow-h.html">modbus/master/mainwindow.h</a></li>
<li><a href="qtserialbus-modbus-master-mainwindow-ui.html">modbus/master/mainwindow.ui</a></li>
<li><a href="qtserialbus-modbus-master-settingsdialog-cpp.html">modbus/master/settingsdialog.cpp</a></li>
<li><a href="qtserialbus-modbus-master-settingsdialog-h.html">modbus/master/settingsdialog.h</a></li>
<li><a href="qtserialbus-modbus-master-settingsdialog-ui.html">modbus/master/settingsdialog.ui</a></li>
<li><a href="qtserialbus-modbus-master-writeregistermodel-cpp.html">modbus/master/writeregistermodel.cpp</a></li>
<li><a href="qtserialbus-modbus-master-writeregistermodel-h.html">modbus/master/writeregistermodel.h</a></li>
<li><a href="qtserialbus-modbus-master-main-cpp.html">modbus/master/main.cpp</a></li>
<li><a href="qtserialbus-modbus-master-master-pro.html">modbus/master/master.pro</a></li>
<li><a href="qtserialbus-modbus-master-master-qrc.html">modbus/master/master.qrc</a></li>
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<p>Images:</p>
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<li><a href="images/used-in-examples/modbus/master/images/application-exit.png">modbus/master/images/application-exit.png</a></li>
<li><a href="images/used-in-examples/modbus/master/images/connect.png">modbus/master/images/connect.png</a></li>
<li><a href="images/used-in-examples/modbus/master/images/disconnect.png">modbus/master/images/disconnect.png</a></li>
<li><a href="images/used-in-examples/modbus/master/images/settings.png">modbus/master/images/settings.png</a></li>
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