19.4.1 Procedure - Using Trend Graphs

Each time a Word Address (D100) data point is sampled, that data point displays on a trend graph.

  1. From the [Parts (P)] menu, select [Historical Trend Graph (H)] or click . Place the Graph on the screen.

  2. Double-click the new Graph. The following dialog box appears.

  3. In [Select Shape], select the Graph shape.

  4. In [Group Number], select the number of the sampling group you want to display.

  5. Click [Channel Settings]. The following dialog box appears.
    In [Number of Channels], set the number of sets of data lines to display on the graph (1). In [Channel Number 1], select the graph display address (for example, D100).

  6. Set the data type and input range (Min/Max) for the graph data.

  7. On the [Color] tab, set the color and type of the line to be displayed and the color of the Graph Display Area.

  8. In the [Display Area] tab, set the graph Display Direction and the number of Data Samples as "4". Set the same value for the Samples to Scroll as the Data Samples. If required, set up a scale.

  9. In the [Time Display] tab, select the [Most Recent Time] and [Oldest Time] check boxes, and set the format for the displayed date and time.

    • [Oldest Time] is placed in the lower left axis of the Historical Trend Graph, and [Most Recent Time] in the lower right axis.

  10. As needed, set the font size and color, and click [OK].