OPC Classic Server Administration

Introduction

The OPC Classic Server aggregates one or more Fernhill SCADA Server into a single OPC Classic Server. By default, Fernhill SCADA running on the local computer is visible to the OPC Classic Server.

The OPC Classic Server Administration Tool allows you to:

Define the computers running Fernhill SCADA that are exported by the OPC Server.
Choose how analog values appear to the OPC Client.

Starting the OPC Classic Server Administration Tool

Fernhill SCADA places a shortcut to the OPC Classic Server Administration Tool on the Windows Start Menu. Use this table to find the shortcut based on the Version of Windows you are using:

Windows Version	Shortcut Location
Windows 11	Open the Start menu. Click All apps Scroll down and expand Fernhill SCADA.
Windows 10 Windows Server 2019 Windows Server 2016	Open the Start menu. Scroll down and expand Fernhill SCADA.
Windows 8 Windows Server 2012	Open the Start screen. Click the down arrow. Scroll right until you see the section Fernhill SCADA
Windows 7 Windows Server 2008	Click the Start button. Select All Programs. Expand the folder Fernhill SCADA.

To provide more convenient access to the OPC Classic Server Administration Tool, use one or more of these methods:

Pin the shortcut to the Start Menu.
Pin the shortcut to the Task Bar.
Create a shortcut on the desktop.

Using the OPC Classic Server Administration Tool

Use the buttons on the right side of the dialog to change the list of computers:

Button	Function
Add	Adds a new computer name to the list.
Edit	Edits the currently selected computer.
Remove	Removes the currently selected computer from the list.
Move Up	Moves the currently selected computer one place up.
Move Down	Moves the currently selected computer one place down.

You can choose whether analog values appear to OPC Clients as single precision floats (R4) or double precision floats (R8). To do this:

Right-click an entry in the list.
Choose a menu option.

Further Information

Glossary

For the meaning of terms used in Fernhill SCADA.