Siemens 6ES7511-1AK02-0AB0 is a SIMATIC S7-1500 CPU 1511-1 PN with 150 KB of program memory and 1 MB of data memory. It features PROFINET IRT on the first interface via a built-in 2-port switch, delivering 60 ns bit performance, and requires a SIMATIC Memory Card for storage. This CPU is offered as a spare part and has been replaced by the successor 6ES7511-1AL03-0AB0.
