SIPLUS S7-1500 CPU 1518HF-4 PN based on 6ES7518-4JP00-0AB0 with conformal coating, central processing unit with 9 MB work memory for program and 60 MB for data, 1st interface: PROFINET RT with 2-port switch, 2nd interface: PROFINET, 3rd interface: PROFINET, 4th/5th interface: H-SYNC, SIMATIC Memory Card required.