SIPLUS S7-1500 CPU 1513-1 PN -40 ... +70 Degrees C Sartup -20 Degrees C with conformal coatingf Based on 6ES7513-1AL01-0AB0 . Central processing unit with working Memory 300 KB for Program and 1.5 MB for data, 1. Interface: PROFINET IRT with 2 port switch, 40 NS Bit-performance, SIMATIC Memory card necessary