SIPLUS S7-1500 CPU 1516F-3 PN/DP rail based on 6ES7516-3FN02-0AB0 with conformal coating, -40…+60 °C, OT2 with ST1/2 (+70 °C für 10 minutes), central processing unit with work memory 1.5 MB for program and 5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 2nd interface: PROFINET RT, 3rd interface: PROFIBUS, 10 ns bit performance, SIMATIC Memory Card required