2016-01-29 update 1

Modbus.Net/Modbus.Net.OPC/OpcDaProtocalLinker.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ModBus.Net.OPC
+{
+    public class OpcDaProtocalLinker : ProtocalLinker
+    {
+        public OpcDaProtocalLinker() : this(ConfigurationManager.OpcDaHost)
+        {
+
+        }
+
+        public OpcDaProtocalLinker(string host)
+        {
+            _baseConnector = OpcDaConnector.Instance(host);
+        }
+
+        public override bool CheckRight(byte[] content)
+        {
+            if (content != null && content.Length == 6 && Encoding.ASCII.GetString(content) == "NoData")
+            {
+                return false;
+            }
+            return base.CheckRight(content);
+        }
+    }
+}