Merge pull request #578 from ZhouBox/master

opcua:update doc

Author: QQDQ

en_US/configuration/south-devices/opc-ua/overview.md

@@ -15,16 +15,16 @@ Go to **Configuration -> South Devices**, then click **Add Device** to add the d
 
 After clicking **Create**, you will be redirected to the **Device Configuration** page, where we will set up the parameters required for Neuron to establish a connection with the device. You can also click the device configuration icon on the southbound device card to enter the **Device Configuration** interface.
 
-| Parameter        | Description                                                                |
-| ---------------- | -------------------------------------------------------------------------- |
-| **Endpoint URL** | Target OPC UA Server URL, the default value is `opc.tcp://127.0.0.1:4840/` |
-| **Username**     | User name used to connect to the target OPC UA Server                      |
-| **Password**     | Password for connecting to the target OPC UA Server                        |
-| **Cert**         | Client certificate in DER format                                           |
-| **Key**          | The client key in DER format                                               |
-| **Security Mode**  | Set the security policy for the OPC UA connection: None/Sign/Sign&Encrypt, with the default being None. |
-| **Update Mode**    | Set the data acquisition mode for OPC UA: Read/Subscribe/ Read&Subscribe, with the default being Read. |
-| **Publish Interval**  | The minimum interval between two publish operations when configuring OPC UA to collect data in Subscribe/Read&Subscribe mode. |
+| Parameter            | Description                                                                                                                   |
+| -------------------- | ----------------------------------------------------------------------------------------------------------------------------- |
+| **Endpoint URL**     | Target OPC UA Server URL, the default value is `opc.tcp://127.0.0.1:4840/`                                                    |
+| **Username**         | User name used to connect to the target OPC UA Server                                                                         |
+| **Password**         | Password for connecting to the target OPC UA Server                                                                           |
+| **Cert**             | Client certificate in DER format                                                                                              |
+| **Key**              | The client key in DER format                                                                                                  |
+| **Security Mode**    | Set the security policy for the OPC UA connection: None/Sign/Sign&Encrypt, with the default being None.                       |
+| **Update Mode**      | Set the data acquisition mode for OPC UA: Read/Subscribe/ Read&Subscribe, with the default being Read.                        |
+| **Publish Interval** | The minimum interval between two publish operations when configuring OPC UA to collect data in Subscribe/Read&Subscribe mode. |
 
 ## Update Mode
 **Read** mode: The data update method is consistent with the previous version, using the OPC UA standard read interface to obtain data from the Server. This is also the default data update method.
@@ -121,6 +121,7 @@ You can use UaExpert to view the **Namespace Index** ( `NamespaceIndex`) and is
 
 ARRAY_CHAR displays and writes in the form of a string.
 JSON displays and writes in the form of a JSON string.
+OPCUA Extension Object supports arrays and nesting.
 
 ### Address Format
 

zh_CN/configuration/south-devices/opc-ua/overview.md

@@ -18,16 +18,16 @@ OPC UA  服务端目前支持匿名方式、用户名/密码方式、证书/密
 
 点击插件卡片或插件列，进入**设备配置**页。配置 Neuron 与设备建立连接所需的参数，下表为 OPC UA 相关配置项。
 
-| 参数         | 说明                                                            |
-| ------------ | --------------------------------------------------------------- |
-| **端点 URL** | 目标 OPC UA Server 的 URL，默认值是 `opc.tcp://127.0.0.1:4840/` |
-| **用户名**   | 连接目标 OPC UA Server 使用的用户名                             |
-| **密码**     | 连接目标 OPC UA Server 使用的密码                               |
-| **证书**     | DER 格式的客户端证书                                            |
-| **密钥**     | DER 格式的客户端密钥                                            |
-| **安全策略**  | 设置 OPC UA 连接的安全策略，None/Sign/Sign&Encrypt，默认为 None |
-| **更新模式**  | 设置 OPC UA 采集数据的方式，Read/Subscribe/Read&Subscribe，默认为 Read |
-| **发布间隔**  | 设置 OPC UA 以 Subscribe/Read&Subscribe 模式采集数据时，两次发布之间的最小间隔 |
+| 参数         | 说明                                                                           |
+| ------------ | ------------------------------------------------------------------------------ |
+| **端点 URL** | 目标 OPC UA Server 的 URL，默认值是 `opc.tcp://127.0.0.1:4840/`                |
+| **用户名**   | 连接目标 OPC UA Server 使用的用户名                                            |
+| **密码**     | 连接目标 OPC UA Server 使用的密码                                              |
+| **证书**     | DER 格式的客户端证书                                                           |
+| **密钥**     | DER 格式的客户端密钥                                                           |
+| **安全策略** | 设置 OPC UA 连接的安全策略，None/Sign/Sign&Encrypt，默认为 None                |
+| **更新模式** | 设置 OPC UA 采集数据的方式，Read/Subscribe/Read&Subscribe，默认为 Read         |
+| **发布间隔** | 设置 OPC UA 以 Subscribe/Read&Subscribe 模式采集数据时，两次发布之间的最小间隔 |
 
 ## 更新模式
 **Read** 模式，数据更新方式与之前版本的方式一致，采用 OPC UA 标准的读取接口获取 Server 端数据，这也是默认的数据更新方式。
@@ -123,6 +123,7 @@ OPC UA  服务端目前支持匿名方式、用户名/密码方式、证书/密
 
 ARRAY_CHAR 展示和写入形式为字符串。
 JSON 展示和写入形式为 JSON 字符串。
+OPCUA Exentision Object 支持数组和嵌套。
 
 ### 地址格式