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QRKS_MASTER_CHARACTERISTIC - Control Chart for Master Inspection Characteristic

QRKS_MASTER_CHARACTERISTIC - Control Chart for Master Inspection Characteristic

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Functionality

You can specify the function module QRKS_MASTER_CHARACTERISTIC in an SPC criterion in QM Customizing if you want to use this criterion to maintain quality control charts for a master inspection characteristic (independently of inspection lots and task lists).

The system calls the function module automatically during inspection processing when it calculates the sample size, in order to assign the characteristic to an open control chart. If the search is unsuccessful, the system automatically creates a new control chart.

When the system makes the assignment, it checks the following criteria for compatibility:

  • SPC criterion
  • Plant for master inspection characteristic
  • Number of master inspection characteristic
  • Control chart type

If more than one open control chart is available that fulfills all criteria, the system selects the newest control chart.

Example

In a small-scale repetitive manufacturing environment, it may be advisable not to create a new control chart for each production order.

Notes

If you use this function module for an inspection characteristic without a reference to a master inspection characteristic, the system does not assign a control chart.

It is generally not advisable to use this function module for unlocked characteristics with different target values or for material-dependent target values.

Further information

Quality control charts in QM are described in the Implementation Guide and in the online documentation.





Parameters

E_QRKNR
I_QALS
I_QAMV
I_QAPO
I_QPSH
I_QPSP

Exceptions

FOREIGN_LOCK
INCOMPLETE_SPC_KEY
NO_ENTRY_IN_QPST

Function Group

QRKS

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