TN AppSvr245 How to make sure an individual item within an OPC Client object will always be active

Description

This article from InSource shows how to make sure an individual item within an OPC Client object will always be active.

• Author: Joseph Hefner
• Published: 5/18/2017
• Applies to: Application Server 2014 R2 and later

Details

Step 1)

Within the OPC Client object, click the Scan Group tab and click the "+" button if a scan group does not currently exist:

Step 2)

Type the name of the OPC Device group and select an update interval. After that click the Scan Mode and choose "ActiveAll":

Step 3)

Click the "+" button in the associated attributes section to add a new attribute and give the associated attribute a name. In this example it is called "A1":

Step 4)

Click the Attributes tab and create a new attribute to link to the associated attribute from the OPC device group:

Step 5)

Give the attribute a name and select the I/O button:

Step 6)

Click the Save button and then click the browse button in the I/O section:

Step 7)

Select the relative reference icon on the top and then select the newly added associated attribute and click the "OK" button:

Step 8)

Click the "Save and Close" icon and then check the object in and deploy: