View trends

To view data in trends, click the
View Data
 tab, and then click
Trends
.
The page allows you to select multiple points and draw a trend chart to view data. Each trend chart provides a visual representation of the data collected over a specific time.
To view a trend
  1. Under
    Select Points For Trend Chart
    , define your search criteria.
    For details, see Define search criteria.
  2. Click
    Search
    .
    The data is displayed in the
    Points
     table.
    View trends 1
  3. Select checkboxes in the
    Select
     column next to the points that you want to present on the trend.
  4. (optional) In the
    Start Time
     and
    End Time
     boxes, type the start and end times for the selected points.
    For details, see Set start and end times.
  5. (optional) Using the
    Auto Refresh
     list, define the frequency with which the data in the trend will be refreshed (in seconds).
    The default value is 1 second.
  6. Click View trends.
    The button color changes to grey (Draw trends). The trend is drawn. The data in the trend is being refreshed with the frequency specified in the
    Auto Refresh
     list.
    View trend
    The trend chart displays trends for selected points using colored variants to distinguish between the different points. You will not be able to select the point for viewing in the trend chart until data has been collected for the new point.
    The numbers on the horizontal axis at the bottom of the chart represent the point timestamps. The numbers on the vertical axis on the left of the chart represent the point values.
    The small window next to the trend displays the chart in the total time period set by the time parameters.
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