How to create a OPC Server

I must create a OPC serveur to distribute any value to other automation application.
I now how to access to a OPC server (like the NI Demo server) but this time i must do my hown OPC server
Thanks in advance and best regards
(sorry for my english but i speek usually french!)
Yves

Yves
Two possible solution come into my mind:
1) You could use the LabVIEW DSC module, which is also an OPC Server. Then you define so-called "memory tags" within DSC and access them from your LabVIEW code using the read and write tag VI's or the logos protocol. What is annoying with that solution, is that DSC has no programmatic tag creation, so you must setup the tags manually outside of your code.
2) Search the net for the "FactorySoft OPC Server Rapid Development Kit". Using that toolkit, a few years ago we programmed an OPC Server which can be embedded into LV code using the "Call Library Function Node". I am still using it. The advantages are that tags can be programmatically created in the LV code, the OPC server can be distributed royalty free (DSC=$$)and the OPC server will consist just of 3 small dll's which are easy to install. However some C/C++ knowledge and a compiler will are required.
J' espère, que ces informations sont utiles pour toi
Alexandre

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