The Plot Editor allows you to configure data plots. For example a Trend Plot:
In Fernhill SCADA, a Data Plot contains these elements:
Fernhill SCADA supports these plot types:
Plot Type | Description |
---|---|
Trend Plot | Plots the value of Data Point Tags over time. |
Value Duration Plot | Plots the duration a Data Point Tags is at a value. |
To use the Plot Editor to create a Trend Plot:
To edit an existing trend plot do one of the following:
Using the Plot Editor you can do any of these edit operations:
To edit the plot title:
To change font faces or text sizes:
To add a pen to a trend:
To locate the data source of a pen in a trend:
The Data Point Tag will be selected in the Tag Window.
To remove a pen from a plot:
To change the order of pens in a plot:
Pen attributes provide additional information about the data source. For example:
To change the attributes displayed with each pen:
Use the Plot Editor to change these properties:
To edit Plot Properties select the data area of the plot.
When the data area of the plot is selected, you can change these properties in the Properties Window:
Title | ||
---|---|---|
Title | The text that appears at the top of the plot. | |
TitleColor | The color of the title. See Color Values for the different ways to configure a color. | |
TitleFontFamily |
The font family of the title.
Click the Browse button ![]() | |
TitleFontSize | The size of the title text. | |
Text Styles | ||
AxisFontFamily |
The font family used for text on the X and Y axes.
Click the Browse button ![]() | |
AxisFontSize | The size of the text used on the X and Y axes. | |
PenFontFamily | The font family used to display each pen at the bottom of the plot. | |
PenFontSize |
The size of the text used to display each pen at the bottom of the plot.
Click the Browse button ![]() |
To edit X-Axis Properties select the X-Axis area of the plot.
The X-Axis Properties depend on the type of plot edited.
For Trend Plot Tags, you can change these properties in the Properties Window
X Axis Defaults | ||
---|---|---|
XAxisInterval | The time span of the X axis when the trend is opened. | |
XAxisOffset | The offset of the current time indicator from the right Y axis. | |
XAxisTracking | When set to True, the trend moves the X axis with current time. |
For Value Duration Plot Tags, you can change these properties in the Properties Window
Plot Timescale | ||
---|---|---|
Duration | The time span of data included in the plot. | |
StartOffset | The offset from the current time of the first data point to include in the plot. | |
StartOffsetRounding | The rounding to apply to the StartOffset property. |
To edit Pen Properties select a pen at the bottom of the plot.
When a pen is selected, you can change these properties in the Properties Window:
Properties | ||
---|---|---|
Color | The color of the pen. See Color Values for the different ways to configure a color. | |
Label | The label to display in the pen at the bottom of the trend. | |
LineWidth | The relative line width of the pen. The allowed range of this property is 1 to 5. | |
Source |
The data source of the pen.
Use one of the following:
| |
Data Scale | ||
DataScaleType |
The type of data scale:
| |
DataScaleUnits | The units to display above the Y Axis. Not used if DataScaleType is Automatic. | |
DataScaleMaximum | The maximum value of the Y Axis scale. Not used if DataScaleType is Automatic. | |
DataScaleMinimum | The minimum value of the Y Axis scale. Not used if DataScaleType is Automatic. | |
DataScaleDisplayDigits | The number of significant digits to display when displaying a numeric value for the pen. Not used if DataScaleType is Automatic. |
For information about storing trend plot definitions in the tag database.
For information about tags that store data historically.
Fernhill SCADA Configuration Tool
To learn about the Fernhill SCADA Configuration Tool.
For the meaning of terms used in Fernhill SCADA.