SIPLUS S7-1500 CPU 1516-3 PN/DP -40...+70°C start up -20°C with conformal coating based on 6ES7516-3AN01-0AB0 . Central processing unit with Work memory 150 KB for program and 1 MB for data, 1st interface: PROFINET IRT with 2-port switch, 60 ns bit performance, SIMATIC Memory Card required