Fastest data rate to Ignition

I just set up a test, and I am able to create different scan classes and have the tag respond accordingly.
This is a single data point from PAC Control that has random data generated, and is running at four different tag groups.
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The one big piece I found, is that you have to set the Data Mode to Polled. for it to recognize the poll rate in the Tag Group.

If you use subscribe it seems to use the data scan rate, defined when you setup the device…