OPC UA : Data server configuration
OPC UA data are reacheabled by declaring an OPC UA data server into ALERT.
Adding OPC UA data server:
In ALERT tree, do a right click on "Acquisition" and select "Add a data server":
The data server selection windows is displayed:
Into the "Type" drop-down list select "OPC UA Data Access":
Click on "Source" button:
Define the data server name into "Name" field:
Define the OPC UA server address into "Address" field:
1. Authentication type setup:
Click on "Authentication Type" drop-down list to setup the kind of authentication to be used by OPC UA server connection:
1.1. "Anonymous" authentication:
When the OPC UA server do not use authentication, use "Anonymous" option of the "Authentication Type" drop-down list:
1.2. "UserName" authentication:
When the OPC UA server need an login/password authentication, select "UserName" option of the "Authentication Type" drop-down list:
Setup the login in "Username" field and the password in "Password" field:
2. Security Type setup:
Click on "Mode" drop-down list to setup the security kind to be used be the OPC UA server connection:
2.1. OPC UA server connection without security :
When OPC UA server do not require an authentication certificat nor a communication encryption, configure the "Mode" drop-down list to "None":
2.2. OPC UA server connection with authentication certificate:
When OPC UA server require an authentication certificate, select "Sign" Option in the "Mode" drop-down list:
The "Policy" drop-down list is now accessible:
Select the security policy used by authentication certificate into the "Policy" drop-down list:
2.3. OPC UA server connection with authentication certificate and communication encryption:
When OPC UA server require an authentication certificate and a communication encryption, select "SignAndEncrypt" Option in the "Mode" drop-down list:
Select the security policy used by authentication certificate into the "Policy" drop-down list:
Cilc on "OK" button.
Accept the certificate in OPC UA server:
In case of failure a warning message will be displayed:
Despite the communication failure, you will be able to save this configuration by clicking "Yes" or to return to a blank configuration by clicking "No":
If the connection succeeded, the "Add a data server" window will be displayed again:
Click on "OK" button to finish the configuration.