SIMATIC S7-1500F, CPU 1518F-4 PN/DP, central processing unit, with memory 9 MByte for program and 60 MByte for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFINET Basic Services, 4th interface: PROFIBUS, 1 ns bit performance, SIMATIC memory card required