DLL for OPC UA

[Haythem96]

Hi Labview user , 

I have a couple of question about OPC UA (i am a new user of OPC) 

First question : 

* I had to work with a siemens PLC and Labview  using OPC UA to communicate between each other , the issue is that when i use the installable file  i lose the OPC UA connection , 

is there a driver or somthing else missing that i should added to solve the problem?

*second question :

is there a  dll file  can we used for the OPC UA connection ?

thank you 

[rolfk · Accepted solution]

Your build application should have an additional "data" folder and in there you should find at least ni_opcua.dll. But that is not enough, this is just the LabVIEW bindings for the LabVIEW OPC UA Toolkit support libraries. And if you want to install this built application on a different computer you also need an OPC UA Runtime Installation.

https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z0000019QU4SAM

But this runtime also needs a paid license:

https://www.ni.com/nl-nl/shop/software/products/labview-opc-ua-toolkit.html Part Number: 785292-35