Method for preventing failed access to a data structure

摘要

The method involves a display and operating unit (ABE) that will access the data structure (DS) signing onto the automation unit (AE) in which the data structure is implemented and/or stored and notifying changes to the data structure. It is determined whether a data structure change has occurred depending on change information (A1-A4) in the automation unit for an access by the display/operating unit to the data structure. AN Independent claim is also included for the following: (a) an automation system.