Siemens 6ES7510-1SJ01-0AB0 SIMATIC DP, CPU 1510SP F-1 PN for ET 200SP, Central processing unit with 150 KB program and 750 KB data memory, 1st interface: PROFINET IRT with 3-port switch, 72 NS bit throughput, SIMATIC memory card required, bus adapter required for ports 1 and 2