Rockwell Automation 2711E-ND1 Reference Manual PanelBuilder 1400e - Manual (Page 176)

172 Trends
Publication 2711E-6.15 – November 1998
Field Meaning
Date Specify whether to display labels for the date at which the data
is collected. The Maximum date is the date of the most recent
point displayed on the Trend object. The Minimum date is the
date of the earliest point displayed on the Trend object. The
Median date is the date of the median point.
The date label is displayed using the format configured at the
PanelView terminal’s Time and Date configuration screen.
Pen Value Specify whether to display labels for the pen values for the
range of data collected. The Minimum Pen value is the value of
the Trend Minimum Value control. The Median Pen value is the
average of the Minimum and Maximum values. The Maximum
Pen value is the value of the Trend Maximum Value control.
Choose Configure Labels to specify the appearance of the Pen
Value labels. See “Configuring the Pen Value Labels” later in
this chapter.
Control Trend Minimum Value controls the minimum value of the
vertical axis. Assign a tag, expression, or constant to this
control.
Trend Maximum Value controls the maximum value of the
vertical axis. Assign a tag, expression, or constant to this
control.
Configuring the Pens
Configure the pens according to this table:
Field Meaning
Background Screen
Plotting Select the check box if you want the Trend to continue plotting
this pen even when the screen containing the Trend object is
not displayed. Deselect the check box if you do not need the
Trend to plot this particular pen when the screen is not
displayed. This selection overrides the Background Screen
Plotting for All Pens option for this pen.
Pen Color Select the color to use for the pen’s line and symbol.
Symbol Select a symbol to display at each data point. Leave this field
blank if you do not want the Trend object to display symbols for
this pen.
Line Style Select the style of line to use to connect the data points for this
pen.
Control Pen Value specifies the location of the values you want this pen
to track. Assign a tag or expression to this control.