I have a very complex 800+OPC-UA connections project across two IOservers.
why in some cases, ignition uses the server's Timestamp in OnChange OPC-UA SampleMode?
For same isolated cases I need exactly this.
But how to reproduce this. How did I achieve this behavior?
I know that when using OnChange Sample mode for History on a OPC-UA connection, theoretically it should use the PLC's Timestamp,
but somehow for some tag's Ignition uses the server's Timestamp
How to reproduce this behavior?
for most PLC's, we do have Time sinchronisation, but when dealing with many Developers, we encounter cases when there is no way to edit the PLC.s configuration.
I know that I can use Periodic mode for these cases, or handle them with Reference.
but why in some cases, ignition does exactly what I want to do, and to use the server's Timestamp in OnChange OPC-UA SampleMode?
below example is for different tags from the same OPC-UA connection