OPC Client Main Screen which is diplayed can be seperated as follows.( Refer to <Figure 1> )
Server/Group/Item display area : It shows Server, Group in Server and Item in Group which you register. (Left tree)
Current Item Value/Read Status display area : It shows Group/Item name, current Value, Data Type, Read Status and Time Stamp etc. (Upper list)
Server Connection Status display area : It shows Server Connection Status, Number of Group and Connect/Disconnect to server which you select. ( Bottom Status bar/List part)
Also, menu bar includes Server, Group, Item, Config, Help menu.
<Figure 1> Screen of OPC Client Main
Reference) Access name for registered Server/Group/Item is displayed as following format. Form) Server(or Item) name '=Access name'
Relate items)
Server/Group/Item display area
Current Item Value/Read Status display area