Changing the Sampling Mode for Trend Charts

Procedure

  1. After you have added a chart(s), select Mode at the top of the page.
  2. Select your Historian Sampling Mode from the drop-down menu.
    • If your selection for Sampling Mode is Calculated, chose your calculation from the drop-down menu.
  3. Select the Sample Increment from the drop-down menu as either By Size or By Time.
    Note: Number of samples by size must be equal to or less than the limit defined by your System Administrator; otherwise, a warning message informs you that the data will NOT be retrieved.
  4. Select Apply to apply to a specific chart, or select Apply to All to apply to all the charts in this analysis session.