To Aveva InTouch

Configuring the InTouch OPC-UA Server

To enable the InTouch OPC-UA server:

1. Launch the InTouch HMI Application Manager

   

2. Go to the menu Tools > OPC UA Configurations…

   

3. Check the "Enable OPCUA" box, then configure the InTouch OPC-UA server port

   

4. It is highly recommended to keep this configuration option to ensure encrypted communication

   

5. Select the following options

   

6. Add a service account to the "InTouchHMIOPCUAWriteUsers" group. This service account will be used to create an OPC-UA client connection via the Dashboard.

   

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Creating an OPC-UA Client Connection to InTouch

To create an OPC-UA client connection to InTouch:

1. Log in to the Scheduler Dashboard

2. Click on the "Configuration" menu, then on the "Connections" submenu

3. Click the "Create" button

   

4. In the Description field, enter the connection description

5. In the Driver field, select "OPC-UA Client"

6. In the "OPC Url" field, enter the InTouch OPC-UA server address

7. In the Username and Password fields, enter the credentials of an Aveva account authorized to modify tag values

   

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Testing a Function Connected to InTouch and Approving the OPC-UA Certificate

To test a function connected to the System Platform:

1. Previously create an InTouch application with a "Memory Real" type tag in an alarm group named "SchedTrn"

   

2. Launch the InTouch application

3. In the Scheduler Dashboard, define a function connected to the previously created InTouch tag

   

4. Click "Test"

   

5. A certificate is generated in C:\ProgramData\AVEVA\PCS\OPC UA Rejected Client Certificates\certs

   

6. Right-click the certificate, then select "Install Certificate"

7. Select "Local Machine"

   

8. Select the option "Place all certificates in the following store"

9. Select "Trusted People"

   

10. Click "Next"

11. Click "Finish"

12. The following message appears

    

13. Run the function test again

14. Verify the value writing in Dashboard > Jobs > Succeeded