Data Access Client Overview

Menus

• File

• • Exit: Quit the application

• Server:

• • Discover: Invokes the "Discover Servers" dialog.

  • Connect: Connects to the selected endpoint. The same as the "Connect" button.

  • Disconnect: Disconnects a current connection.

  • Select Locale: Opens the "Select Locale" dialog where you can choose "US-EN".

  • Set User: not implemented.

• View: not implemented

• Monitored Items:

• • Load: not implemented

  • Save: not implemented

• Help:

• • Contents: Launches this help file.

Banner

Shows the OPC Foundation logo and a [clickable] link to the website, shows the application name in large text, and shows the Certification logo with a link for more information online.

Endpoint Bar (below banner)

There are 3 key areas in the endpoint bar:

• Endpoint Url: the endpoint URL (of a Server) to connect to.

• Use Security: (checkbox) if checked will use a secure session, if unchecked then will use a raw/insecure session.

• Connect button: clicking this will attempt to connect to the specified endpoint.

Address Space Navigation (left)

A simple node browser that allows you to navigate the UA Server's address space, behaving much like a file and folder browser (such as Windows Explorer):

A context menu for this control exists and is described below.

Data Value Display (right)

A simple display of the attributes for the currently selected Node (in the address space navigation):

Event Notifications (bottom)

A simple log output of events that received by the client:

A context-sensitive menu exists for this control and is described below.