SIMATIC S7-400, CPU 416-3 PN/DP CPU CON: MEMORIA PRINCIPAL 16 MB, (8 MB CODIGO, 8 MB DATOS), INTERFACES INTERF.1:MPI/DP 12 MBIT/S (X1), INTERF.2:ETHERNET/PROFINET (X5) INT. 3: IF 964-DP ENCHUF. (IF1)