ViewModels/MainViewModel.cs

@@ -121,8 +121,16 @@ namespace MembranePoreTester.ViewModels
                 {
                     if (SetProperty(ref _pressureUpperLimit, value))
                     {
+                        if (HighLowPressure == "低压")
+                        {
+                            if (value > 200)
+                            {
+                                MessageBox.Show("低压模式,加压上限不能超过200!");
+                                return;
+                            }
+                        }
                         // 值改变时写入PLC
-                        _ = WriteFloatAsync(_plcConfig.PressureUpperLimit, (float)value);
+                        _ = _plcService.WriteMultipleRegistersAsync(_plcConfig.PressureUpperLimit, (float)value);
                     }
                 }
             }
@@ -135,7 +143,7 @@ namespace MembranePoreTester.ViewModels
                     if (SetProperty(ref _pressureRate, value))
                     {
                         // 值改变时写入PLC
-                        _ = WriteFloatAsync(_plcConfig.PressureRate, (float)value);
+                        _ = _plcService.WriteMultipleRegistersAsync(_plcConfig.PressureRate, (float)value);
                     }
                 }
             }
@@ -148,6 +156,9 @@ namespace MembranePoreTester.ViewModels
                     float upperLimit = await _plcService.ReadFloatAsync(_plcConfig.PressureUpperLimit);
                     float rate = await _plcService.ReadFloatAsync(_plcConfig.PressureRate);
 
+
+
+
                     Application.Current.Dispatcher.Invoke(() =>
                     {
                         PressureUpperLimit = upperLimit;
@@ -204,7 +215,7 @@ 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) => 
+                _timer.Tick += async (s, e) =>
                 {
                     await ReadEnableStatusAsync();
                     await ReadPressureParametersAsync(); // 新增：读取压力参数