Hello all, We have an OPC UA Client Connection to a PLC that hosts its own OPC UA server as a more efficient method of communication than using Ignition's built-in drivers. There are situations in which the server goes down and comes back up i.e. is temporarily disconnected. When the connection is …

[image] poresky: Indicators that do not get continuously updated How are you controlling this? Ignition's leased tag functionality would fix this for anything displayed in a UI. If you've rolled your own "pseudo-lease" functionality, you will have to retrigger that stuff yourself. Please e…

What I mean is that the data is not changing value. I can only speculate that this is why the bad quality overlay remains. These are things like setpoints that remain at the same value until they change (as opposed to analog signals that always have some noise to keep them updating). This isn't an i…

Compare the settings for the tags that recover properly with the settings for the tags that do not. If they are coming from the same PLC, they should be recovering the same, too, unless configured differently. (It is possibly also a bug in that OPC server.)

Good thought. First, most obvious difference is that the tags that do not recover properly are Direct tags while the ones that do are Expression tags. No other settings (Deadband, Deaband Mode, Sample Mode, Rate) are different.

[image] poresky: Direct Derived*

Hmm. I suspect you will need to get support involved. (Psst. The pencil icon in a post's extra operations will let you edit something already posted.)

Thanks! And thanks for letting me know of that, too.

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Reset OPC UA Client Connection Programmatically

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