Trends dis-appear in running system
I am facing one problem with trends, my plant is running with CHMI 5.10 from one month. Suddenly all trends dis-appeared in CMHI. As a solution I removed all logs and recreated and configured again, that started again.
But after few hours they all again dis-appeared? Then I just changed the period of time of logs to be stored and trends again started displaying from that time. But am not much sure that the problem will not come again.
What should I do to avoid it? and what should be the problem. No body has used any pen drive in the system.
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What I understood is, you are not able to view the trends in the trend display. When the problem exist what is the color of status in the trend display? Are you able to read values in the log configuration? How many logs have to used? What is the sampling intervals that you have configured in the log configuration?
Answer these and may be some screenshots will be helpful to determine the problem.