Modbus Master example

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>SettingsDialog</class>
 <widget class="QDialog" name="SettingsDialog">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>239</width>
    <height>256</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>Modbus Settings</string>
  </property>
  <layout class="QGridLayout" name="gridLayout">
   <item row="3" column="1">
    <spacer name="verticalSpacer">
     <property name="orientation">
      <enum>Qt::Vertical</enum>
     </property>
     <property name="sizeHint" stdset="0">
      <size>
       <width>20</width>
       <height>43</height>
      </size>
     </property>
    </spacer>
   </item>
   <item row="1" column="1">
    <widget class="QSpinBox" name="timeoutSpinner">
     <property name="accelerated">
      <bool>true</bool>
     </property>
     <property name="suffix">
      <string> ms</string>
     </property>
     <property name="minimum">
      <number>-1</number>
     </property>
     <property name="maximum">
      <number>5000</number>
     </property>
     <property name="singleStep">
      <number>20</number>
     </property>
     <property name="value">
      <number>200</number>
     </property>
    </widget>
   </item>
   <item row="1" column="0">
    <widget class="QLabel" name="label">
     <property name="text">
      <string>Response Timeout:</string>
     </property>
    </widget>
   </item>
   <item row="4" column="1">
    <widget class="QPushButton" name="applyButton">
     <property name="text">
      <string>Apply</string>
     </property>
    </widget>
   </item>
   <item row="0" column="0" colspan="2">
    <widget class="QGroupBox" name="groupBox">
     <property name="title">
      <string>Serial Parameters</string>
     </property>
     <layout class="QGridLayout" name="gridLayout_2">
      <item row="0" column="0">
       <widget class="QLabel" name="label_2">
        <property name="text">
         <string>Parity:</string>
        </property>
       </widget>
      </item>
      <item row="0" column="1">
       <widget class="QComboBox" name="parityCombo">
        <item>
         <property name="text">
          <string>No</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>Even</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>Odd</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>Space</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>Mark</string>
         </property>
        </item>
       </widget>
      </item>
      <item row="1" column="0">
       <widget class="QLabel" name="label_3">
        <property name="text">
         <string>Baud Rate:</string>
        </property>
       </widget>
      </item>
      <item row="1" column="1">
       <widget class="QComboBox" name="baudCombo">
        <item>
         <property name="text">
          <string>1200</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>2400</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>4800</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>9600</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>19200</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>38400</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>57600</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>115200</string>
         </property>
        </item>
       </widget>
      </item>
      <item row="2" column="0">
       <widget class="QLabel" name="label_4">
        <property name="text">
         <string>Data Bits:</string>
        </property>
       </widget>
      </item>
      <item row="2" column="1">
       <widget class="QComboBox" name="dataBitsCombo">
        <item>
         <property name="text">
          <string>5</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>6</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>7</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>8</string>
         </property>
        </item>
       </widget>
      </item>
      <item row="3" column="0">
       <widget class="QLabel" name="label_5">
        <property name="text">
         <string>Stop Bits:</string>
        </property>
       </widget>
      </item>
      <item row="3" column="1">
       <widget class="QComboBox" name="stopBitsCombo">
        <item>
         <property name="text">
          <string>1</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>3</string>
         </property>
        </item>
        <item>
         <property name="text">
          <string>2</string>
         </property>
        </item>
       </widget>
      </item>
     </layout>
    </widget>
   </item>
   <item row="2" column="0">
    <widget class="QLabel" name="label_6">
     <property name="text">
      <string>Number of retries:</string>
     </property>
    </widget>
   </item>
   <item row="2" column="1">
    <widget class="QSpinBox" name="retriesSpinner">
     <property name="value">
      <number>3</number>
     </property>
    </widget>
   </item>
  </layout>
 </widget>
 <resources/>
 <connections/>
</ui>