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OPC-UA Server
The OPC-UA Server page contains a list of all the OPC Tags configured within Ignition. Opening the page shows a list of OPC Server sessions. Hitting the Details button on one of the sessions will bring up a new page with the number of subscriptions that server has with their scan rate, and how many Tags are monitored in that subscription at the specified rate.
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OPC-UA Server Page
The main OPC-UA Server page contains basic information for all OPC-UA servers the Ignition system has access to.
| Attributes | Description |
|---|---|
| Id | The id of the OPC-UA Server. |
| Name | The name of the OPC-UA Server. |
| User | The user that is used to authenticate the connection to the server. |
| Remote Address | The remote address of the server (127.0.0.1 is a local connection). |
| Subscriptions | The total number of subscriptions or scan classes for this server. |
| Last Activity | The last time the server had activity. |
OPC-UA Server Details
Clicking on the Details button to the right of an OPC-UA server brings up more detailed information for that particular server. It will list out all of the subscriptions to that server with the publish rate, as well as the number of items within that subscription.
| Attributes | Description |
|---|---|
| Id | The Id of the scan class. |
| Publishing Interval | The rate at which the subscription publishes. |
| Data Change Notifications | The number of data changes that have happened for that subscription. |
| Keep Alive Notifications | The number of keep alive notifications that subscription has done. |
| Monitored Items | The number of items are within that subscription. |
OPC-UA Server Subscription Details
Clicking the Details button for one of the subscriptions will bring up the list of subscribed OPC items.
| Attributes | Description |
|---|---|
| Monitored Items | The number of items that are within that subscription. |
| Data Change Publishes | The number of data changes that have happened for that subscription. |
| Keep Alive Publishes | The number of keep alive notifications that subscription has done. |
| Node Id | The OPC item path. |
| Subscription Rate | The rate of the subscription that the client requested. |
| Revised Rate | The servers revised rate. |
| Node Class | The Node Class of a Node such as Object, Variable, or Method |
| Data Type | The data type of the item. |
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