SIPLUS S7-1500 CPU 1515F-2 PN -25°C to 60°C with conformal coating based on 6ES7515-2FM01-0AB0. central processing unit with working memory 750 KB for program and 3 MB for data, 1. Interface: PROFINET IRT WITH 2 PORT SWITCH, 2. Interface: PROFINET RT, 30 NS BIT-PERFORMANCE,SIMATIC MEMORY CARD NECESSARY