更新2026

Services/ModbusTcpPlcService.cs

@@ -80,6 +80,18 @@ namespace TabletTester2025.Services
             await _master.WriteSingleRegisterAsync(_config.SlaveId, registerAddress, value);
         }
 
+        public async Task WriteFloatAsync(ushort startAddress, float value)
+        {
+            await EnsureConnectedAsync();
+            byte[] bytes = BitConverter.GetBytes(value);
+            ushort[] registers =
+            {
+                (ushort)((bytes[2] << 8) | bytes[3]),
+                (ushort)((bytes[0] << 8) | bytes[1])
+            };
+            await _master.WriteMultipleRegistersAsync(_config.SlaveId, startAddress, registers);
+        }
+
         public async Task<ushort[]> ReadHoldingRegistersAsync(ushort startAddress, ushort count)
         {
             await EnsureConnectedAsync();
@@ -120,4 +132,4 @@ namespace TabletTester2025.Services
             await task;
         }
     }
-}
+}