Configure a Pareto Chart

Pareto analysis is a technique used to identify the relative importance of problems and conditions. The Pareto chart is a frequency histogram ordered from highest to lowest (Plant SCADA automatically orders the bars at run-time). The data for each bar in the histogram represents one Plant SCADA variable - as defined in Variable Tags. Do not use SPC tags.

Note: Typically the frequency in a histogram is of integer type, though you can use floating point types if you want. Negative values are not valid.

To configure a Pareto Chart:

1. Define the Variable Tags (Pareto charts do not use SPC Tags).

2. Create the page using a Pareto template.

To configure a page using a Pareto chart:

3. In Graphics Builder click New Page, or choose File | New.

4. Select Type: Page.

5. Choose the Resolution (size) of the SPC page.

6. Choose the SPCParetoTemplate for the SPC chart.

7. Click OK.

8. Double-click the display (where prompted by the template).

9. Enter the variable tags in the Tag Name fields. (Use Variable tags here, not necessarily SPC tags.)

10. Enter the variable descriptions in the Tag Description boxes.

11. Click OK.

12. Save the page.