diff --git a/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInTcpProtocolLinker.cs b/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInTcpProtocolLinker.cs
index 9bb4bc7..96b532d 100644
--- a/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInTcpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInTcpProtocolLinker.cs
@@ -13,7 +13,7 @@ namespace Modbus.Net.Modbus
         /// </summary>
         /// <param name="ip">IP地址</param>
         public ModbusAsciiInTcpProtocolLinker(string ip)
-            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"))
+            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"), false)
         {
         }
 
diff --git a/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInUdpProtocolLinker.cs b/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInUdpProtocolLinker.cs
index 5baa6dc..bf19cef 100644
--- a/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInUdpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Modbus/ModbusAsciiInUdpProtocolLinker.cs
@@ -17,7 +17,7 @@ namespace Modbus.Net.Modbus
         /// </summary>
         /// <param name="ip">IP地址</param>
         public ModbusAsciiInUdpProtocolLinker(string ip)
-            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"))
+            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"), false)
         {
         }
 
diff --git a/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInTcpProtocolLinker.cs b/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInTcpProtocolLinker.cs
index 8bae79a..43df359 100644
--- a/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInTcpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInTcpProtocolLinker.cs
@@ -12,7 +12,7 @@ namespace Modbus.Net.Modbus
         /// </summary>
         /// <param name="ip">IP地址</param>
         public ModbusRtuInTcpProtocolLinker(string ip)
-            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"))
+            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"), false)
         {
         }
 
diff --git a/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInUdpProtocolLinker.cs b/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInUdpProtocolLinker.cs
index 157e3fe..4798561 100644
--- a/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInUdpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net.Modbus/ModbusRtuInUdpProtocolLinker.cs
@@ -17,7 +17,7 @@ namespace Modbus.Net.Modbus
         /// </summary>
         /// <param name="ip">IP地址</param>
         public ModbusRtuInUdpProtocolLinker(string ip)
-            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"))
+            : base(ip, int.Parse(ConfigurationManager.AppSettings["ModbusPort"] ?? "502"), false)
         {
         }
 
diff --git a/Modbus.Net/Modbus.Net/Connector/TcpConnector.cs b/Modbus.Net/Modbus.Net/Connector/TcpConnector.cs
index 68a2181..2a4220f 100644
--- a/Modbus.Net/Modbus.Net/Connector/TcpConnector.cs
+++ b/Modbus.Net/Modbus.Net/Connector/TcpConnector.cs
@@ -42,7 +42,8 @@ namespace Modbus.Net
         /// <param name="ipaddress">Ip地址</param>
         /// <param name="port">端口</param>
         /// <param name="timeoutTime">超时时间</param>
-        public TcpConnector(string ipaddress, int port, int timeoutTime = 10000) : base(timeoutTime)
+        /// <param name="isFullDuplex">是否为全双工</param>
+        public TcpConnector(string ipaddress, int port, int timeoutTime = 10000, bool isFullDuplex = true) : base(timeoutTime, isFullDuplex)
         {
             _host = ipaddress;
             _port = port;
diff --git a/Modbus.Net/Modbus.Net/Connector/UdpConnector.cs b/Modbus.Net/Modbus.Net/Connector/UdpConnector.cs
index cb62b49..6b073e3 100644
--- a/Modbus.Net/Modbus.Net/Connector/UdpConnector.cs
+++ b/Modbus.Net/Modbus.Net/Connector/UdpConnector.cs
@@ -39,7 +39,8 @@ namespace Modbus.Net
         /// <param name="ipaddress">Ip地址</param>
         /// <param name="port">端口</param>
         /// <param name="timeoutTime">超时时间</param>
-        public UdpConnector(string ipaddress, int port, int timeoutTime = 10000) : base(timeoutTime)
+        /// <param name="isFullDuplex">是否为全双工</param>
+        public UdpConnector(string ipaddress, int port, int timeoutTime = 10000, bool isFullDuplex = true) : base(timeoutTime, isFullDuplex)
         {
             _host = ipaddress;
             _port = port;
diff --git a/Modbus.Net/Modbus.Net/Linker/ComProtocalLinker.cs b/Modbus.Net/Modbus.Net/Linker/ComProtocalLinker.cs
index a845e37..d3d012f 100644
--- a/Modbus.Net/Modbus.Net/Linker/ComProtocalLinker.cs
+++ b/Modbus.Net/Modbus.Net/Linker/ComProtocalLinker.cs
@@ -30,11 +30,12 @@ namespace Modbus.Net
         /// <param name="stopBits">停止位</param>
         /// <param name="dataBits">数据位</param>
         /// <param name="slaveAddress">从站地址</param>
+        /// <param name="isFullDuplex">是否为全双工</param>
         protected ComProtocolLinker(string com, int baudRate, Parity parity, StopBits stopBits, int dataBits,
-            int slaveAddress)
+            int slaveAddress, bool isFullDuplex = false)
             : this(
                 com, baudRate, parity, stopBits, dataBits,
-                int.Parse(ConfigurationManager.AppSettings["ComConnectionTimeout"] ?? "-1"), slaveAddress)
+                int.Parse(ConfigurationManager.AppSettings["ComConnectionTimeout"] ?? "-1"), slaveAddress, isFullDuplex)
         {
         }
 
@@ -48,17 +49,18 @@ namespace Modbus.Net
         /// <param name="dataBits">数据位</param>
         /// <param name="connectionTimeout">超时时间</param>
         /// <param name="slaveAddress">从站地址</param>
+        /// <param name="isFullDuplex">是否为全双工</param>
         protected ComProtocolLinker(string com, int baudRate, Parity parity, StopBits stopBits, int dataBits,
-            int connectionTimeout, int slaveAddress)
+            int connectionTimeout, int slaveAddress, bool isFullDuplex = false)
         {
             if (connectionTimeout == -1)
             {
-                BaseConnector = new ComConnector(com + ":" + slaveAddress, baudRate, parity, stopBits, dataBits);
+                BaseConnector = new ComConnector(com + ":" + slaveAddress, baudRate, parity, stopBits, dataBits, isFullDuplex:isFullDuplex);
             }
             else
             {
                 BaseConnector = new ComConnector(com + ":" + slaveAddress, baudRate, parity, stopBits, dataBits,
-                    connectionTimeout);
+                    connectionTimeout, isFullDuplex:isFullDuplex);
             }
             
         }
diff --git a/Modbus.Net/Modbus.Net/Linker/TcpProtocalLinker.cs b/Modbus.Net/Modbus.Net/Linker/TcpProtocalLinker.cs
index d3f155f..bfebe2b 100644
--- a/Modbus.Net/Modbus.Net/Linker/TcpProtocalLinker.cs
+++ b/Modbus.Net/Modbus.Net/Linker/TcpProtocalLinker.cs
@@ -20,8 +20,9 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="ip">Ip地址</param>
         /// <param name="port">端口</param>
-        protected TcpProtocolLinker(string ip, int port)
-            : this(ip, port, int.Parse(ConfigurationManager.AppSettings["IPConnectionTimeout"] ?? "-1"))
+        /// <param name="isFullDuplex">是否为全双工</param>
+        protected TcpProtocolLinker(string ip, int port, bool isFullDuplex = true)
+            : this(ip, port, int.Parse(ConfigurationManager.AppSettings["IPConnectionTimeout"] ?? "-1"), isFullDuplex)
         {
         }
 
@@ -31,17 +32,18 @@ namespace Modbus.Net
         /// <param name="ip">Ip地址</param>
         /// <param name="port">端口</param>
         /// <param name="connectionTimeout">超时时间</param>
-        protected TcpProtocolLinker(string ip, int port, int connectionTimeout)
+        /// <param name="isFullDuplex">是否为全双工</param>
+        protected TcpProtocolLinker(string ip, int port, int connectionTimeout, bool isFullDuplex = true)
         {
             if (connectionTimeout == -1)
             {
                 //初始化连接对象
-                BaseConnector = new TcpConnector(ip, port);
+                BaseConnector = new TcpConnector(ip, port, isFullDuplex:isFullDuplex);
             }
             else
             {
                 //初始化连接对象
-                BaseConnector = new TcpConnector(ip, port, connectionTimeout);
+                BaseConnector = new TcpConnector(ip, port, connectionTimeout, isFullDuplex:isFullDuplex);
             }            
         }
     }
diff --git a/Modbus.Net/Modbus.Net/Linker/UdpProtocolLinker.cs b/Modbus.Net/Modbus.Net/Linker/UdpProtocolLinker.cs
index 7c74f4d..be52432 100644
--- a/Modbus.Net/Modbus.Net/Linker/UdpProtocolLinker.cs
+++ b/Modbus.Net/Modbus.Net/Linker/UdpProtocolLinker.cs
@@ -20,8 +20,9 @@ namespace Modbus.Net
         /// </summary>
         /// <param name="ip">Ip地址</param>
         /// <param name="port">端口</param>
-        protected UdpProtocolLinker(string ip, int port)
-            : this(ip, port, int.Parse(ConfigurationManager.AppSettings["IPConnectionTimeout"] ?? "-1"))
+        /// <param name="isFullDuplex">是否为全双工</param>
+        protected UdpProtocolLinker(string ip, int port, bool isFullDuplex = true)
+            : this(ip, port, int.Parse(ConfigurationManager.AppSettings["IPConnectionTimeout"] ?? "-1"), isFullDuplex)
         {
         }
 
@@ -31,17 +32,18 @@ namespace Modbus.Net
         /// <param name="ip">Ip地址</param>
         /// <param name="port">端口</param>
         /// <param name="connectionTimeout">超时时间</param>
-        protected UdpProtocolLinker(string ip, int port, int connectionTimeout)
+        /// <param name="isFullDuplex">是否为全双工</param>
+        protected UdpProtocolLinker(string ip, int port, int connectionTimeout, bool isFullDuplex = true)
         {
             if (connectionTimeout == -1)
             {
                 //初始化连接对象
-                BaseConnector = new UdpConnector(ip, port);
+                BaseConnector = new UdpConnector(ip, port, isFullDuplex:isFullDuplex);
             }
             else
             {
                 //初始化连接对象
-                BaseConnector = new UdpConnector(ip, port, connectionTimeout);
+                BaseConnector = new UdpConnector(ip, port, connectionTimeout, isFullDuplex:isFullDuplex);
             }
         }
     }