End-of-Life Sourcing Reality
The 6ES7315-2AF03-0AB0: No direct official replacement is listed in the lifecycle record. Any functional substitute would require a full engineering review of the S7-300 slot, backplane power budget, and software porting. For an exact drop-in, this specific order code is the only match.
FM 8 Expansion & CFC Support
CFC (Continuous Function Chart) is supported, allowing graphical interconnection of blocks for process control. Combined with the full command set (binary logic, floating-point arithmetic, jump functions), this CPU suits complex automation tasks requiring sequential and continuous control.