opcUaServer-OpcUaServer
This component contains the device-level OpcUaNamespace component and configuration parameters necessary for communications with OPC UA client devices. Additionally, the OPC UA
server point device extension (OpcUaServerPointDeviceExt) of the OPC UA namespace adds points to the server. The OpcUaServer palette houses this component.
The default view for an OpcUaServer is the Opc Ua Server Device Manager.
Figure 2. opcUaServer properties
To access these properties, expand , right-click OpcUaServer and click .
In addition to the standard property (Enabled), these properties are unique to this component.
| Name | Value | Description |
|---|---|---|
| Opc Ua Server Name | text string | Defines the name of the server. You may edit it or use the default name: N4OpcUaServer. |
| additional properties | Configures the Tcp Endpoint. | |
| Opc Tcp Endpoint, Enabled | true (default) or false |
Enables (true) and disables (false) the use of a Tcp Endpoint.
|
| Opc Tcp Endpoint, Port | 52520 (default) | Defines the port number for Opc Tcp connections.
NOTE: The port specified in the Opc Tcp Connection Address may be blocked by PC/network firewall. The firewall settings may need
to be adjusted to allow data transfer on this port.
|
| Opc Tcp Endpoint, Security Mode | check boxes (defaults to sign and signEncrypt)
|
Security mode of the application defines the security level for a message being exchanged during communication between client
and server. The mode can be set to None, Sign, or SignAndEncrypt.
|
| Opc Tcp Endpoint, Security Policies | check boxes (defaults to all) | Specifies which security mechanisms are to be used for the Secure Channel between client and server. |
| User Authentication Methods | check boxes (defaults to all except for Anonymous)
|
Selects a method for authenticating the user. These settings must match the server’s settings for a successful connection.
Username and password values must be defined in the station’s UserService.
NOTE: For Certificate creation and saving procedure, refer to Station Security Guide.
|
| Max Session Count | 500 (default) | All communications are done through sessions, which must be alive all the time in normal cases. This property displays the maximum number of session that can be live. |
| Max Session Timeout | 00001h 00m 00s (default) | The server can close sessions that have not been active (no message of any type from the client received for a more extended period than SessionTimeout). |
| Max Subscription Count | 50 (default) | Displays the max number of subscription for a session. |
| Max Monitored Items Per Subscription | 10000 (default) | Specifies the maximum number of monitored items per subscription. |
| Opc Tcp Connection Address | read-only | Reports the connection address for the Opc Ua Server. The station must be running for this field to be populated. This address includes the specified port number for the Opc Tcp Endpoint, for example opc.tcp://ABCD1234.global.ds.honeywell.com:52520/OPCUA/N4OpcUaServer |
| Server Info | additional properties | A separate topic documents these properties. |
| Session Info | additional properties | A separate topic documents these properties. |
Actions
- Ping sends a message to a network object (device, database, etc). The message provokes a response, which indicates the current state of the object.