Specify the visibility of a trend chart

Specify if a trend chart is always visible on the HMI device screen. To display the trend chart only when the specified tag value is true, bind the visibility of the trend chart. For example, bind the
Visible
box to a tag to indicate a problem in the manufacturing system. Binding the
Visible
box of a trend chart to a tag value displays the trend chart on the HMI device when the tag is true.
IMPORTANT:
A trend chart clears all traces and resumes when the MaxValue or MinValue property of a trend chart changes on the HMI device. For example, changing the MaxValue or MinValue property value of a trend chart through a Text Input graphic element causes the trend chart, even while paused, to resume at the current time. Historical data, if available in a data log, appears for data before the current time. The trend chart discards all other data and plots new data.
To specify the visibility of a trend chart
  1. On the screen, select the trend chart.
  2. In the
    Properties
    window, select the
    Properties
    tab.
  3. Expand the
    Appearance
    category.
  4. Specify the visibility:
    • Select the
      Visible
       box to make the trend chart visible on the HMI device.
    • Clear the
      Visible
       box to make the trend chart not visible on the HMI device.
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