SIMATIC DP, CPU 1512SP-1 PN for ET 200SP, central processing unit with 400 KB work memory for program and 2 MB for data, 1st interface: PROFINET IRT with 3-port switch, 6 ns bit performance, including server module (6ES7193-6PA00-0AA0); SIMATIC Memory Card required, BusAdapter required for port 1 and 2