Circutor OPC Server PS/PSS Manual do Utilizador descarregar pdf (Página 20)

PS/PSS OPC Server -20-

If you attempt to set an active configuration when the OPC server is deactivated,

the program will ask you if you wish to activate it, displaying the following message:

Activate OPC server ask message

If you click “No”, the configuration will be set but the server will remain deactivated.

If you click “Yes”, the application will start the server with the new active configuration:

Wait process window: activating server and establishing configuration

Eventually, the application will notify you that the configuration has been

successfully set by displaying the following message:

Set configuration success message

3.8.- Funcionamiento OPC Server en modo Tunnelling

Although communication OPC-DA offers severals adventages in the exchange of

information between applications, there is an important limitation when we want to

comunicate two machines in diferent domains or through Internet. These limitations are

imposed by DCOM tecnology in which is based OPC-DA communication.

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Circutor OPC Server PS/PSS Manual do Utilizador Página 20