Part Identification and Function
The Siemens 6ES7798-0AA02-0XA0 is a SIMATIC PG replacement battery, specifically designed for the PG 720 PII programming device equipped with a Pentium II processor. This is a consumable spare part that maintains real-time clock and SRAM backup in the programmer when the main power is off.
Per the manufacturer's classification, this part carries a lifecycle stage of 'mature'. For procurement purposes, this means the part is no longer in active volume production but remains available through our sourcing channels against a confirmed purchase order.