Connecting to an OPC Server

In addition to I/O drivers, the WorkSpace can send and receive data with an OLE for Process Control (OPC) server. You can configure any database block to receive or send OPC data by completing the block's I/O driver fields. To do this, select OPC from the Driver field, and then click the I/O Address field's Browse button to specify an OPC address.

The OPC address has the following syntax:

ServerName;GroupName;ItemID;AccessPath

where ServerName is the name of your OPC server, GroupName is the name of the OPC group you want to access, and ItemID is the name of the OPC item you want to read or write. Including the AccessPath is optional and instructs the server how to access its data. For more information about connecting to your OPC server, refer to your OPC PowerTool documentation.

 

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