Define OPC Tags
Once we finished defining our PLC, we need to start adding our tags.
1. From Stream Explorer, Select Tags and click the Add button 
 .

2. In Tag Editor, enter the following:
Select Group comb box, and select <Edit..> from the end of the list.

3. Tag Groups window will appear. You can add/edit/delete groups from this window.
- Enter the name "OPC", and click Add.
 

4. Enter the following details for this tag:
- Group: OPC
 - Tag: Ramp
 - Data Source: KEP_SERVER
 - Data Type: Integer
 
Then Click Browse

An OPC item browser window will open. Click Connect and then select the OPC item named: Examples.Functions.Ramp 1
