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OPC Driver |
An OPC Driver is a module responsible for collecting data from external devices executing an OPC Server, which can be supplied by any manufacturer. OPC Tags can be imported to an OPC Driver inside Elipse E3, which in this case works as an OPC Client, or even created in Elipse E3. To use an OPC Driver, follow this procedure:
1.Right-click a project's name in Explorer and select the Insert - OPC Client Driver option. In Domain mode, right-click the Server Objects - Drivers and OPC item, select the Insert OPC Client Driver In option, and then a project's name.
Inserting an OPC Driver
When inserting an OPC Driver in an application in Elipse E3 Studio, this object's View is opened, according to the next figure.
OPC Driver's View
The available options on this View are described on the next table.
Available options for OPC Driver's View
Option |
Description |
---|---|
Add |
Adds a new OPC Tag Group to an OPC Driver, an OPC Tag, OPC Block, or OPC Folder to an OPC Tag Group, or an OPC Block Element to an OPC Block |
Delete |
Deletes the selected item from this View |
Select Server |
Selects an OPC Server |
Activate or Deactivate Communication |
Activates or deactivates communication with this OPC Driver. The activation option is only available if the ServerId property is configured |
Import Tags |
Imports OPC Tags to this OPC Driver |
Information About Server |
Displays a window with information about the selected OPC Server |
Tag Counting |
Displays the total number of OPC Tags in this OPC Driver |
NOTES |
•The Activate Communication option implies in a sufficient number of licenses for all OPC Tags and OPC Block Elements available in an OPC Driver. If there is no sufficient licenses for all OPC Block Elements of an OPC Block, the whole OPC Block does not communicate. Please check topic Licenses for more information about this behavior. •The Tag Counting option takes into account the number of OPC Tags plus the number of OPC Block Elements available in an OPC Driver. |