SPC Charts - Variance Chart Warning Limits
Use this tab to define the following parameters:
Element Name | Description |
---|---|
Variance Warning Limits | From this dropdown list, you can select the Variance warning limits type:
|
Check Variance Warning Limits | Select this checkbox to raise and alarm if a warning limit violation is found. |
Calculate if defined variance limits are blank | Select this checkbox to calculate the Variance chart warning limit, if you have selected to Use defined UWL and LWL option in the Variance Warning Limits dropdown list, and the variable with the defined UWL or LWL has a blank or invalid values. |
Process Sigma Multiplier | Use this miniscroll to select a user defined process sigma multiplier for calculating the warning limits on the Variance chart. |
Variance Warning Limit label type | In this dropdown list, choose the
Warning limit label type on the
Variance chart:
|
Upper Variance Warning limit label name | In this textbox, enter the label for the Upper variance Warning limit when the Text only or the Text and number option is selected. |
Lower Variance Warning limit label name | In this textbox, enter the label for the Lower variance Warning limit when the Text only or the Text and number option is selected. |
Variance Warning Limit violation name | In this text box, enter the Variance Warning Limit Violation name to be used in the generated alarms spreadsheet and on the Variance chart legend. |