Service/ModbusTcpPlcService.cs

@@ -56,6 +56,41 @@ namespace MembranePoreTester.Communication
         public async Task<float> ReadDryFlowAsync() =>
             await ReadFloatAsync(_config.DryFlowRegister) * (float)_config.DryFlowFactor;
 
+
+        public async Task WriteCoilAsync(ushort coilAddress, bool value)
+        {
+            await EnsureConnectedAsync();
+            await _master.WriteSingleCoilAsync(_config.SlaveId, coilAddress, value);
+        }
+
+        public async Task WriteRegisterAsync(ushort registerAddress, ushort value)
+        {
+            await EnsureConnectedAsync();
+            await _master.WriteSingleRegisterAsync(_config.SlaveId, registerAddress, value);
+        }
+
+
+        public async Task<bool> ReadCoilAsync(ushort coilAddress)
+        {
+            await EnsureConnectedAsync();
+            bool[] result = await _master.ReadCoilsAsync(_config.SlaveId, coilAddress, 1);
+            return result[0];
+        }
+
+        // 新增读取压力（根据工位）
+        public async Task<float> ReadPressureAsync(int stationId)
+        {
+            ushort startAddress = stationId switch
+            {
+                1 => _config.PressureRegisterStation1,
+                2 => _config.PressureRegisterStation2,
+                3 => _config.PressureRegisterStation3,
+                _ => throw new ArgumentException("Invalid station")
+            };
+            return await ReadFloatAsync(startAddress);
+        }
+
+
         public void Dispose()
         {
             _master?.Dispose();