2014-08-27 update 1

NA200H/ModBus.Net/ModbusComProtocal.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ModBus.Net
+{
+    public class ModbusComProtocal : ModbusProtocal
+    {
+        public ModbusComProtocal()
+        {
+            _protocalLinker = new ModbusComProtocalLinker();
+        }
+
+        public ModbusComProtocal(string com)
+        {
+            _protocalLinker = new ModbusComProtocalLinker(com);
+        }
+    }
+}