Using Trend Graphs

You can collect and display data in regular or random intervals in a trend graph.

You can use this to identify significant changes in data or to view the relationship between different data.

Example Operation

Note: To configure Data Logging settings, refer Logging Data at Constant Intervals.

Setting Workflow

  1. Set up Parts

Set up Parts

Project Explorer : [Screen Design] ➞ [Screens] ➞ [Screen1]

Drag and drop the following objects from the [Tool Chest] to the screen.

Trend Graph (Name: TrendGraph1) properties : A-1

Tab Sub Tab Property Value

[Function]

[Basic]

[GroupName]

[LoggingGroup1]

[Channels]

3

[Channel 1]

[Variable] [Variable] [Name]: Var1
[Use Global Range]
[Visibility]
[Display Format] [Line]
[Mark] [None]

[Channel 2]

[Variable] [Variable] [Name]: Var2
[Use Global Range]
[Visibility]
[Display Format] [Line]
[Mark] [None]

[Channel 3]

[Variable] [Variable] [Name]: Var3
[Use Global Range]
[Visibility]
[Display Format] [Line]

[Mark]

[None]

[Display Mode]

[Full]

[Graph Type]

[Pen Recorder]

[Min Global Range]

0

[Max Global Range]

1000

[Interval]

1

[Unit]

Min

[Detail]

[Display Cursor]

[Display Cursor Labels]

[Display Historical Data]