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Showing Trend Chart Grid Lines
You show the trend chart grid lines on the x-axis and the y-axis to make the chart easier to read.
Use the Axes tab to configure the properties of the chart axes.
|
Component |
Description |
|
Time mode |
Select the time mode of the x-axis.
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|
Start time |
Enter the absolute start time when Time mode is set to Absolute. This time is the leftmost point of the x-axis.
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|
End time |
Enter the absolute end time when Time mode is set to Absolute (start time and end time) . This time is the rightmost point of the x-axis. |
|
Time span |
Type the relative time span of the x-axis when Time mode is set to Relative (to current time) . The rightmost point of the x-axis is the current time. |
|
Time zone |
Select time zone for the trend chart. The time zone is the displayed time perspective of the trend log. |
|
Show grid lines |
Select to show horizontal grid lines. |
|
Auto scale left y-axis |
Select to activate auto scale. The scale of the left Y-axis adapts itself to the displayed series.
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Left y-axis minimum |
Type the minimum value of the left y-axis. |
|
Left y-axis maximum |
Type the maximum value of the left y-axis. |
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Show left grid lines |
Select to show grid lines on the left y-axis. |
|
Auto scale right y-axis |
Select to activate auto scale. The scale of the right y-axis adapts itself to the displayed series. |
|
Right y-axis minimum |
Type the minimum value of the right y-axis. |
|
Right y-axis maximum |
Type the maximum value of the right y-axis. |
|
Show right grid lines |
Select to show grid lines on the right y-axis. |
In WorkStation, in the System Tree pane, select the trend chart you want to configure.
On the Trend Chart toolbar, click the Open trend chart settings button
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Below the Time zone box, select Show grid lines to show grid lines originating from the x-axis scale.
Select Show left grid lines or Show right grid lines to show grid lines originating from the y-axis scale.
Click OK .
Grid lines are now shown in the trend chart. Repeat the procedure to hide the grid lines.
Trend Chart Axes
Trend Charts
Trend Chart Settings Dialog Box – Axes Tab
Trend Chart Event Icons