SIPLUS S7-300 CPU315-2PN/DP -25 ... +60 DEGREES C WITH CONFORMITY TO EN50155 T1 CAT 1 CL A/B BASED ON 6ES7315-2EH14-0AB0 . CENTRAL PROCESSING UNIT WITH 384 KBYTE WORKING MEMORY, 1. INTERFACE MPI/DP 12MBIT/S, 2. INTERFACE ETHERNET PROFINET, WITH 2 PORT SWITCH, MICRO MEMORY CARD NECESSARY