I am monitoring pump statuses that can run for as little a few seconds, but as starting point, I've set their scan class to be 15 seconds. Here's the archive values for a pump tag in PI:
The timestamps in yellow are instances where I restarted the interface, essentially forcing a value to come through.
Here are the actual values, which I'm able to see in a SQL table:
The highlighted instances are where the pump was "on" for at least 15 seconds, meaning the tag should have picked up the change.
As far as config goes, the scan class options for the Interface and the tag's location 4 line up:
What could be wrong?