What is sigma difference limit alarm in SAP MFG-MII - SAP Manufacturing Integration and Intelligence (SAP MII)?

SAP Term: sigma difference limit alarm

• Component: MFG-MII

• Component Name: SAP Manufacturing Integration and Intelligence (SAP MII)

• Description: A notification that occurs when consecutive data points on a statistical process control chart vary by four sigma.

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• Key Concepts: 
  Sigma difference limit alarm is a feature of SAP MII that allows users to set an alarm when the difference between two values exceeds a certain limit. This feature is useful for monitoring production processes and ensuring that they are running smoothly. 
  
  How to use it: 
  To use the sigma difference limit alarm, users must first set the two values that they want to compare and the limit for the difference between them. Once this is done, the alarm will be triggered when the difference between the two values exceeds the limit. 
  
  Tips & Tricks: 
  It is important to set the limit for the sigma difference alarm carefully, as setting it too low may result in false alarms, while setting it too high may cause important issues to go unnoticed. 
  
  Related Information: 
  The sigma difference limit alarm is part of SAP MII's Production Monitoring and Control (PMC) module, which provides users with real-time visibility into their production processes. Other features of PMC include process control, data collection, and reporting.