SIMATIC DP, CPU 1514SP-2 PN for ET 200SP, central processing unit with 600 KB work memory for program and 3.5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 6 ns bit performance, including server module (6ES7193-6PA00-0AA0); SIMATIC Memory Card required, BusAdapter required for 1st interface