1.8. Connect to remote data
Cogent has a DataHub running that makes live test
data available over the Internet. To set up the OPC DataHub to
receive that test data, just follow these steps:
- Right click on the OPC DataHub system-tray icon and
- In the Properties window, select
In the Tunnelling/Mirror Slave
section, check the box.
Click the button to open the Tunnel/Mirror Master Configuration window:
Fill in these entry fields at the top as follows:
There is no need to make or change any other entries.
- Click to close the
Tunnel/Mirror Master window, and then click
in the Properties
Open the Data
and click the test
data domain name in the left-hand pane of the window.
The Data Browser window should show some data
updating in real time. Any delays in updates to these
points are due to slow network speed or high traffic
You can also use the Connection Viewer
to see all active connections in the OPC DataHub.
For more information on tunnelling, please refer to
Section 19.3, “Tunnel/Mirror”.
Copyright © 1995-2010 by Cogent Real-Time Systems, Inc. All rights reserved.