CPU configuration is a critical step in ensuring the correct operation of the PLC and avoiding potential malfunctions. The CPU startup, memory, time of day, and protection and security settings all play critical roles in how the PLC will behave in various scenarios.
This is a companion discussion topic for the original entry at https://www.solisplc.com/tutorials/siemens-s7-1200-plc-configuration-cpu-startup-memory-time-protection-settings