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Connecting to the LabVIEW OPC Server from Third-Party OPC Clients (Windows Only)

LabVIEW 2013 Help

Edition Date: June 2013

Part Number: 371361K-01

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LabVIEW 8.0 or later contains an OPC server called the Shared Variable Engine (SVE). The SVE supports OPC Data Access 2.x and OPC Data Access 3.0. You can publish data from the SVE using shared variables.

To connect to the SVE from a third-party OPC client, use the ProgID National Instruments Variable Engine. If the OPC client allows you to browse for OPC servers, you can locate the National Instruments Variable Engine under OPC version 2.x or 3.0, depending on which versions the client supports.

In the third-party OPC client, you can browse all data items published by the SVE. The SVE allows connections to scalars and arrays of scalars but does not recognize data items of complex data types, such as clusters. You can browse FieldPoint and DAQ data items under their device categories.


 

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