SPC Chart widget

The Statistical Process Control (SPC) Chart widget is used to monitor characteristics associated with the product and the process. The SPC charts are important decision aids for Quality Management because they provide statistical information that is indicative of the actual process.

SPC charts display the following data:

• Graphical representation of the data associated with product and process characteristics

• Control limits and a center line, which is either a fixed line or a line drawn based on the plotted data

• Control rule violations indicated on the chart

• Contextual data

• Summary data, including notes and alarms

To monitor process performance, you can check the relationship of the plotted data with the control limits and the center line.

You can use the SPC Chart widget through the MDMSpcChartForm that comes with the MES Model-driven content package for Quality Management. This form has a preconfigured SPC Chart widget, which includes all the functionalities available in the .NET control version of this widget. You can use this together with the Quality Management result form where you can input results that you want to use and visualize the data in the SPC Chart widget.

Note: The MDMSPCChartForm form is provided as an example for how to use the SPC web widget to correctly perform a data lookup to retrieve data from the MES database. It is expected that a user will create separate specific forms according to their project requirements.

Properties

The SPC Chart widget supports the following dynamic properties. Among the properties in the table, configuring properties using the Properties window at design time is only available for boolean-type properties (except for RefreshSpcChar), and the SelectedCharData property is used when scripting. The rest of the properties are integrated into the widget code. For more information on how these properties are used, see SPC Chart widget properties usage.

Note: Most of the properties in the .NET control version are integrated into the widget and cannot be manually configured.