Option 4.2. Create a New Trend Chart Line (Overview of Detailed Method)

The Line tab provides several tools to add a new line to the Trend Chart.

1	Created lines list.
2	Lines tab toolbar.
3	Line type configuration.

1	Created lines list

Lines that have been created for the Trend Control are listed in the Lines tab grid.

The following specifications can be made in the grid.

Feature	Description
Color	Change the default color applied to the line. Click the Down Arrow button to the right of the selected line to open the Color palette.
Line ID	ID that identifies the line during runtime. The Line ID is Read/Write.
In legend	Checked	The line is listed in the legend (when the legend is visible).
	Clear	The line is not listed in the legend.
Visible	Checked	The line is visible on the control during runtime.
	Clear	The line is not visible on the control during runtime.

Note: The order of the lines in the list is the order of the lines in the legend.

2	Lines tab toolbar

The following toolbar buttons are available on the Lines tab.

A	Creates a blank entry for a new line.
B	Copies the selected line configuration. You can then modify the entry. This is particularly useful if you want to display variations in an expression.
C	Deletes a selected line.
D	Creates a quick line.
E	Opens the Line - Axis Mapping dialog box.
F	Moves the line up in the list.
G	Moves the line down in the list.
H	Opens the Line Display dialog box.

3	Line type configuration

Trending currently supports the following data sources for trend lines:

Option 4.2.1	Points.
Option 4.2.2	Point expressions.
Option 4.2.3	Logged.
Option 4.2.4	Logged expressions.
Option 4.2.5	CSV files.
Option 4.2.6	Reference lines.
Option 4.2.7	Historian line types.