You can find this area at right downside of OPC Client Main. It is composed of Server Connection Status, Number of Group and Server Connection/Disconnection like <Figure 1>.
<Figure 1> Server Connection Status display area
<Figure 1> Upside at <Figure 1> shows Server Connection Status and Downside shows Error/Event display.
You can see the selected Group, Group name, Status, Read type(Async, Sync) and Read Period through this area.
Also, Error/Event area shows the Connection/Disconnection Status and Time.
Relate items)