FieldPoint does not have a Visual Basic driver. Instead, what you need to do is use the FieldPoint OPC server with an OPC Client in Visual Basic. National Instruments DataSockets are one form of OPC Client. You can write your own OPC Client or purchase one from vendors. Because the OPC Client portion of your code will vary, it is hard to provide example code. Application Note 139 "Developing an OPC Client Application Using Visual Basic", http://zone.ni.com/devzone/conceptd.nsf/appnotebynumber/87D5C15CAFB2654A86256874005C280C?OpenDocument&node=dz52000_us , describes how to use the NI DataSockets as an OPC Client with an OPC Server.
Regards,
Aaron
LabVIEW Champion, CLA, CPI