Connector
To configure the connector to VTScada, from the Project Explorer select Connect, Connectors.
Click Add
Select Trihedral, VTScada Real-time values.
Click OK

Primary Server
These settings define the Name and Node of the OPC DA server. Typically, the Name is defaulted correctly. If the VTScada server is on the local machine, leave local checked, otherwise uncheck, and specify either the name or IP address of the machine where VTScada is running.
Use the Test Connection button to verify a connection to the server.
Secondary Server
These settings define the (optional) secondary VTScada to connect to if a connection to the Primary Server fails.
Settings
For information on the specific settings, see the OPC Connectors document.