Control Limits 

Use

This process shows you how to calculate the control limits.

Prerequisites

To demonstrate how control limits are calculated, you need to use a control chart that is in preprocessing (status 1).

You change the status of the control chart from 3 (active) to 1.

Procedure

  1. Enter the following data:
    2.

    Field

    Data

    Plant

    1000

    Master insp. charac.

    Q-2020

    Status of control charts

    1

    Created on

    From 01.01.2000 until current date

    The control chart now has status 1.

  2. Choose .

    3. The system now displays the list of active control charts for the master inspection characteristic.

  3. Select the line with control chart 806, or, if necessary, a line with another available control chart, and choose .

    4. No mean values or control limits are entered in the control charts now displayed by the system.

  4. In the screen area with the control chart, choose (Calculate control limits).

    5. The system copies the relevant lines into the control chart.

  5. Choose .

    6. You can see the calculated mean values, warning limits, and action limits of the two control chart tracks. (You cannot manually enter control limits due to the system settings.)

  6. Choose .
  7. Choose until the overview tree appears.
  8. In the dialog box, choose No.