SIPLUS ET 200SP CPU 1510SP-1 PN -40...+70 C With conformal coating based on 6ES7510-1DJ01-0AB0 . Central processing unit with 100 KB work memory for program and 750 KB for data. 1st interface PROFINET IRT with 3-port switch. 72 ns bit performance. SIMATIC memory card required. BusAdapter required for port 1 and 2