You want to configure the OPC fire network to support a 3rd-party system. To this purpose you must first create and configure and OPC network and then link a function to a data point of the OPC network. For background information, see the reference section.
To use the customized OPC library, you need to link the customized OPC functions to the OPC Network data points. Proceed as follows: a. In System Browser, select Project > Field Networks > [OPC Network]. b. Select a data point in the structure of the OPC Network. c. Open the Main expander. d. From the Function drop-down list, select the OPC function to link to the data point. NOTE: Unselect the All check box to display the default available function for the selected data point. e. Click Save . f. Repeat step 2 for all data points of the OPC Network.