Siemens PLC Local Data Stack Explained

This video explains with a Simatic manager example the following: what is the local data stack of a siemens PLC? priority classes when to use local data (temp variables) instead of DB? hardware configuration of the priority classes Reference data (a way to see local data occupied) Overflow in local data.. what happens? how to read the diagnostics buffer correctly This video is planned as part of a series that explains the memory concept of a siemens plc. Please look forward to future updates.