Adding Controllers
Controllers connected to ToolsTalk 2 may be visible in the Plant structure 
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The plant structure view is empty if no controllers are connected to ToolsTalk 2, or if user rights do not allow access to folders or controllers.
- Select Plant structure and then right-click anywhere in the upper area of the controller list. Alternatively, select System administration, then in the Controller software & data management tab right-click in the left-side menu workspace area. Choose Add new controller. The Connect controller dialog window opens. 
- Enter the IP address, or the DNS name of the controller. The IP address of the ToolsTalk 2 server will be pre-populated. 
- Select Connect and select Close once the Controller online message is displayed. 
Connection Status
- If you enter the IP address of an already connected controller in the Connect controller window, the message Controller already connected and online is displayed. 
- The message Waiting for controller to come online is displayed while the connection is being established. 
- The message Controller online is displayed when the connection to the controller is established. 
- The message ToolsTalk failed to connect to controller. Please verify IP address/DNS name is displayed if the connection failed. 
A controller can also be connected to the ToolsTalk 2 application via the web GUI or controller GUI.
This procedure is described in the controller specific documentation.