Hello Friends, We have a some troubles with sample mode in tag history configuration. We’re using a WAGO PLC that comes with his own OPC-UA server inside the PLC himself. When we historize tags with sample mode “On change”, the date of the trend came from the PLC, but if we do it with “Tag group”…

I had a similar problem last year: [image] History t_stamp in the future Ignition I’m having trouble with the history of a tag that I cannot work out. I setup history on a tag, and when it’s displayed in a sparkline or chart, it displays data from 6 hours ago. If I look a…

Looks like it is as we’ve detected. With sample mode “On change”, the source of the timestamp is the OPC and with the other ones is the ignition server. Thanks for help.

Sample mode configuration

General Discussion

DavidWisely April 28, 2020, 11:47am 2

I had a similar problem last year: