SIMATIC S7-400, CPU414F-3 PN/DP CPU dengan: Memori 4 MB, (2 MB kode, 2 MB data), Antarmuka 1st MPI/DP 12 MBIT/S (X1), Antarmuka Ethernet/PROFINET 2nd (X5) 3rd IF 964-DP antarmuka dapat dilepas (IF1)