SIPLUS S7-1500 CPU 1516-3 PN/DP based on 6ES7516-3AN02-0AB0 with conformal coating. -40 +70 C. heat sink. no PS usable. central processing unit with work memory 1 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