SIPLUS S7-1500 CPU 1513-1 PN -40...+70°C start up -20°C with conformal coating based on 6ES7513-1AL01-0AB0 . Central processing unit with Work memory 300 KB for program and 1.5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 40 ns bit performance, SIMATIC Memory Card required