MainWindow.xaml

@@ -8,7 +8,7 @@
         Title="GB/T 32064-2015 导热系数测试系统" 
         Height="700" Width="1015"
         WindowStartupLocation="CenterScreen"
-        Closing="Window_Closing">
+        Closing="Window_Closing" Loaded="Window_Loaded">
 
     <Window.Resources>
         <Style TargetType="GroupBox">

MainWindow.xaml.cs

@@ -470,6 +470,12 @@ namespace ConductivityApp
                 _testData.Clear();
                 _temperatureSeries.Points.Clear();
 
+
+                if (_plc != null && _plc.IsConnected)
+                {
+                    _plc.Close();
+                    Thread.Sleep(500);
+                }
                 // 2. 连接PLC
                 //if (_plc != null && !_plc.IsConnected)
                 //{
@@ -480,7 +486,7 @@ namespace ConductivityApp
                 Console.WriteLine("加热启动");
 
                 // 等待加热稳定（1秒）
-                Thread.Sleep(1000);
+                Thread.Sleep(500);
                 //}
 
 
@@ -826,23 +832,6 @@ namespace ConductivityApp
             }
         }
 
-        private double ReadPressureData()
-        {
-            try
-            {
-                if (_plc != null && _plc.IsConnected)
-                {
-                    object pressureObj = _plc.Read(DataType.DataBlock, 1, 18, VarType.Real, 1);
-                    return Convert.ToDouble(pressureObj);
-                }
-
-                return 0.0;
-            }
-            catch
-            {
-                return 0.0;
-            }
-        }
 
         private double ReadTemperatureData()
         {
@@ -851,7 +840,7 @@ namespace ConductivityApp
                 if (_plc != null && _plc.IsConnected)
                 {
                     object pressureObj = _plc.Read(DataType.DataBlock, 1, 120, VarType.Real, 1);
-                    return Convert.ToDouble(pressureObj);
+                    return Convert.ToDouble(pressureObj)*0.85;
                 }
 
                 return 0.0;
@@ -2821,5 +2810,10 @@ namespace ConductivityApp
                 MessageBox.Show($"夹紧关灯失败：{ex.Message}");
             }
         }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            _plc.Open();
+        }
     }
 }