SIMATIC S7-400, CPU 412-1 Central processing unit with: work memory 288 KB, (144 KB code, 144 KB of data), Interface MPI/DP 12 Mbit/s,

SIMATIC S7-400H, CPU 414H Central processing unit for S7-400H and S7-400F/FH, 4 interfaces: 1 MPI/DP, 1 DP and 2 for sync modules, 2.8 MB memory (1.4 MB data/1.4 MB program)

SIMATIC S7-400H, CPU 412-5H, central processing unit for S7-400H and S7-400F/FH, 5 interfaces: 1x MPI/DP, 1x DP, 1x PN and 2 for sync modules, 1 MB memory (512 KB data/512 KB program)

SIMATIC S7-400, CPU 416F-2, Central processing unit with: work memory 5.6 MB, (2.8 MB code, 2.8 MB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP Can be used with software package Distributed Safety as of V5.2+SP2

SIMATIC S7-400, CPU 414-3 PN/DP Central processing unit with: work memory 2.8 MB, (1.4 MB code, 1.4 MB data), Interfaces: 1st interface MPI/DP 12 Mbit/s,(X1), 2nd interface Ethernet/PROFINET (X5), 3rd interface IF 964-DP plug-in (IF1)

SIMATIC S7-400H, CPU 417H Central processing unit for S7-400H 4 interfaces: 1 MPI/DP, 1 DP and 2 for sync modules 20 MB memory (10 MB data/10 MB program)

SIMATIC S7-400, CPU 414-1 CENTRAL PROCESSING UNIT WITH: MULTI-POINT MPI INTERFACE 128 KB WORKING MEMORY

SIMATIC S7-400, CPU416F-3 PN/DP Central processing unit with: work memory 16 MB, (8 MB code, 8 MB data), Interfaces: 1st interface MPI/DP 12 Mbit/s, (X1), 2nd interface Ethernet/PROFINET (X5), 3rd interface plug-in IFM module (IF1)

SIMATIC S7-400, CPU 416-3 Central processing unit with: work memory 11.2 MB, (5.6 MB code, 5.6 MB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP, 3rd interface plug-in IFM module

SIMATIC S7-400, rack aluminum UR2-H, central and distributed with 2 x 9 slots

SIMATIC S7-400H, CPU 417H CENTRAL UNIT FOR S7-400H 4 INTERFACES: 1 MPI/DP, 1 DP A. 2 FOR SYNC MODULES 4MB MEMORY (2MB CODE/2MB DATA)

SIMATIC S7, RAM Memory Card for S7-400, long design, 64 Mbyte