SIMATIC S7-400, CPU 412-2 Central processing unit with: Work memory 1 MB, (0.5 MB code; 0.5 MB data) 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP,

SIMATIC S7, RAM Memory Card for S7-400, long design, 8 Mbyte

Communications processor CP 442-1 RNA 1x 10/100 Mbit/s RJ45 port: ISO; S7, H communication, open communication (send/receive) S7 routing. 2x 100 Mbit/s, RJ45 port: PRP; ISO; ISO-on-TCP; TCP; UDP S7, H communication, open communication (send/receive) S7 routing; time synchronization IP access control list; web diagnostics; SNMPV1.

SIMATIC S7-400, CPU 414-2 DP CENTRAL PROCESSING UNIT WITH: MULTI-POINT MPI INTERFACE INTEGR. PROFIBUS-DP INTERFACE 128 KB WORKING MEMORY

SIMATIC S7-400, CPU 412-2 Central processing unit with: Work memory 256 KB, (128 KB code, 128 KB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP,

SIMATIC S7-400, CPU 412-2 PN Central processing unit with: work memory 1 MB, (0.5 MB code, 0.5 MB data), interfaces 1st interface MPI/DP 12 Mbit/s, (X1), 2nd interface Ethernet/PROFINET (X5)

SIMATIC S7-400H, Y-Link for connection of single-channel DP slaves to S7-400H & AS 410H

SIMATIC S7-400, CPU 414-3 Central processing unit with: work memory 2.8 MB, (1.4 MB code, 1.4 MB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP, 3rd interface plug-in IFM module

SIMATIC S7-400, CPU 416-3 Work memory 3.2 MB (1.6 MB code, 1.6 MB data) 1st interface MPI/DP 12 Mbit/s 2nd interface PROFIBUS DP, 3rd interface for IFM

SIMATIC S7-400, coupling module CP 441-2 for point-to-point connections, 2 channels incl. configuration package on CD

SIMATIC S7-400, RAM expansion 4 MB (2 MB data + 2 MB code) for CPU417-4 V3 and CPU417H V3

SIMATIC S7-400, SM 421 DIGITAL INPUT MODULE, OPTIC. ISOLATED, 16 DI, 120/230V AC