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OPC UA Client "Create Subscrition.vi" not getting notifications updates

Hello,

 

I have an OPC-UA Server in my Siemens S7-1200 PLC and I'm trying to get data with LabVIEW 2012

 

For this, I'm using the "Create Subscription.vi" of the OPC UA Client toolkit

 

OPC UA Create Subscription.png

 

 

 

 

 

My VI works for some time, but after some time without any updates in the Nodes, the VI stops get notifications/updating the LabVIEW nodes.

But in other programs, like "Ua Expert", the nodes are updating without any issue.

 

Is this a bug from LabVIEW, can someone else reproduces this error?

(I think LabVIEW it's auto closing the session... but this is something I do not want)

 

My VI is attached and I attached the example from NI OPC UA Toolkit Module too.

Attached is an example of the error comparing LabVIEW with UaExpert

 

My VI with Create Subscription.png

 

 

 

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