Helpers/PlcConfiguration.cs

@@ -113,5 +113,7 @@ namespace MembranePoreTester.Communication
         Task WriteMultipleRegistersAsync(ushort registerAddress, float value);
 
         float UshortToFloat(ushort P1, ushort P2);
+
+        Task<float> ReadFloatAsync(ushort startAddress);
     }
 }

Service/ModbusTcpPlcService.cs

@@ -28,7 +28,7 @@ namespace MembranePoreTester.Communication
         }
 
         // 读取两个连续的保持寄存器，转换为32位浮点数（假设大端模式）
-        private async Task<float> ReadFloatAsync(ushort startAddress)
+        public async Task<float> ReadFloatAsync(ushort startAddress)
         {
             await EnsureConnectedAsync();
             var registers = await ReadHoldingRegistersAsync(startAddress, 2);

ViewModels/MainViewModel.cs

@@ -110,6 +110,57 @@ namespace MembranePoreTester.ViewModels
 
 
 
+
+            private double _pressureUpperLimit;
+            private double _pressureRate;
+
+            public double PressureUpperLimit
+            {
+                get => _pressureUpperLimit;
+                set
+                {
+                    if (SetProperty(ref _pressureUpperLimit, value))
+                    {
+                        // 值改变时写入PLC
+                        _ = WriteFloatAsync(_plcConfig.PressureUpperLimit, (float)value);
+                    }
+                }
+            }
+
+            public double PressureRate
+            {
+                get => _pressureRate;
+                set
+                {
+                    if (SetProperty(ref _pressureRate, value))
+                    {
+                        // 值改变时写入PLC
+                        _ = WriteFloatAsync(_plcConfig.PressureRate, (float)value);
+                    }
+                }
+            }
+
+            // 添加读取这两个参数的方法
+            private async Task ReadPressureParametersAsync()
+            {
+                try
+                {
+                    float upperLimit = await _plcService.ReadFloatAsync(_plcConfig.PressureUpperLimit);
+                    float rate = await _plcService.ReadFloatAsync(_plcConfig.PressureRate);
+
+                    Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        PressureUpperLimit = upperLimit;
+                        PressureRate = rate;
+                    });
+                }
+                catch (Exception ex)
+                {
+                    System.Diagnostics.Debug.WriteLine($"读取压力参数失败: {ex.Message}");
+                }
+            }
+
+
             public StationItem()
             {
 
@@ -153,13 +204,19 @@ namespace MembranePoreTester.ViewModels
                 // 启动定时器，每秒读取一次 M21 状态
                 _timer = new System.Windows.Threading.DispatcherTimer();
                 _timer.Interval = TimeSpan.FromSeconds(1);
-                _timer.Tick += async (s, e) => await ReadEnableStatusAsync();
+                _timer.Tick += async (s, e) => 
+                {
+                    await ReadEnableStatusAsync();
+                    await ReadPressureParametersAsync(); // 新增：读取压力参数
+                };
                 _timer.Start();
 
                 // 延迟2秒后读取，确保连接稳定
                 Task.Delay(2000).ContinueWith(async _ =>
                 {
                     await ReadPressureModeAsync();
+                    await ReadPressureParametersAsync(); // 新增：读取压力参数
+
                 }, TaskScheduler.Default);
 
             }

Views/MainWindow.xaml

@@ -5,7 +5,7 @@
         xmlns:viewModels="clr-namespace:MembranePoreTester.ViewModels"
         xmlns:conv="clr-namespace:MembranePoreTester.Converters"
         Title="膜孔径测试系统 (GB/T 32361-2015)" 
-        Width="1024" Height="768"     WindowState="Maximized"
+        Width="1024" MinHeight="768"     WindowState="Maximized"
         WindowStartupLocation="CenterScreen" KeyDown="Window_KeyDown"
         Background="#F5F7FA" FontFamily="Segoe UI">
 
@@ -138,6 +138,20 @@
                                     </Grid>
                                     <TextBlock Text="{Binding EnableStatusText}" VerticalAlignment="Center" Margin="5,0,0,0" FontSize="12"/>
                                 </StackPanel>
+
+
+                                <StackPanel Orientation="Horizontal" Margin="15,0,0,0">
+                                    <StackPanel Orientation="Horizontal" Margin="0,0,10,0">
+                                        <Label Content="加压上限:" VerticalAlignment="Center" Margin="0,0,5,0"/>
+                                        <TextBox x:Name="txtPressureUpper" Width="120" FontSize="16" Height="32" VerticalAlignment="Center" Text="{Binding PressureUpperLimit, UpdateSourceTrigger=LostFocus, StringFormat=F3}" />
+                                    </StackPanel>
+                                    <StackPanel Orientation="Horizontal">
+                                        <Label Content="加压速率:" VerticalAlignment="Center" Margin="0,0,5,0"/>
+                                        <TextBox x:Name="txtPressureRate" Width="120"  FontSize="16" Height="32" VerticalAlignment="Center" Text="{Binding PressureRate, UpdateSourceTrigger=LostFocus, StringFormat=F3}" />
+                                    </StackPanel>
+                                </StackPanel>
+
+
                             </StackPanel>
                         </Border>
 

Views/ParameterWindow.xaml

@@ -5,25 +5,7 @@
         WindowStartupLocation="CenterOwner">
     <ScrollViewer>
         <StackPanel Margin="10">
-            <GroupBox Header="加压控制">
-                <Grid>
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="150"/>
-                        <ColumnDefinition Width="*"/>
-                    </Grid.ColumnDefinitions>
-                    <Grid.RowDefinitions>
-                        <RowDefinition Height="Auto"/>
-                        <RowDefinition Height="Auto"/>
-                        <RowDefinition Height="Auto"/>
-                    </Grid.RowDefinitions>
-                    <Label Grid.Row="0" Grid.Column="0">加压上限(D300):</Label>
-                    <TextBox x:Name="txtPressureUpper" Grid.Row="0" Grid.Column="1"/>
-                    <Label Grid.Row="1" Grid.Column="0">加压速率(D280):</Label>
-                    <TextBox x:Name="txtPressureRate" Grid.Row="1" Grid.Column="1"/>
-                    <!--<Label Grid.Row="2" Grid.Column="0">加压系数(D282):</Label>
-                    <TextBox x:Name="txtPressureCoeff" Grid.Row="2" Grid.Column="1"/>-->
-                </Grid>
-            </GroupBox>
+  
 
             <GroupBox Header="高压/低压系数">
                 <Grid>

Views/ParameterWindow.xaml.cs

@@ -28,8 +28,8 @@ namespace MembranePoreTester.Views
             // 初始化文本框到寄存器地址的映射
             _textBoxMapping = new Dictionary<TextBox, (ushort, string)>
             {
-                [txtPressureUpper] = (_config.PressureUpperLimit, "加压上限"),
-                [txtPressureRate] = (_config.PressureRate, "加压速率"),
+                //[txtPressureUpper] = (_config.PressureUpperLimit, "加压上限"),
+                //[txtPressureRate] = (_config.PressureRate, "加压速率"),
                 //[txtPressureCoeff] = (_config.PressureCoeff, "加压系数"),
 
                 [txtHPCoeff1] = (_config.HPCoeff1, "工位1高压系数"),