Standard CPUs

CPUs

Description

The CPU range of the SIMATIC S7-400 meets all demands of the medium and upper performance range. Various integrated interfaces and additional failsafe controllers make the S7-400 suitable for a wide range of possible automation tasks.

SIMATIC S7-400 CPU 412-1

Entry CPU for applications of the medium performance range   

  • RAM 288 KB   

  • MPI/PROFIBUS DP-Master-interface  

  • Memory Card slot


SIMATIC S7-400 CPU 412-2

CPU with a medium program memory and quantity framework  

  • RAM 512 KB   

  • MPI/PROFIBUS DP-Master-Interface   

  • additional PROFIBUS DP-Interface     

  • Memory Card slot   


SIMATIC S7-400 CPU 412-2 PN

CPU with a medium program memory and quantity framework and additional communication tasks  

  • RAM 1 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • 2 additional PROFINET ports

  • Memory Card slot


SIMATIC S7-400 CPU 414-2

CPU for more demanding applications of the medium performance range   

  • RAM 1 MB   

  • MPI/PROFIBUS DP-Master-Interface

  • additional PROFIBUS DP-Interface   

  • Memory Card slot


SIMATIC S7-400 CPU 414-3

CPU for more demanding applications of the medium performance range and additional communication tasks  

  • RAM 2.8 MB

  • MPI/PROFIBUS DP-Master-Interface

  • 2 additional PROFIBUS DP-Interfaces   

  • Slot for additional IF-Module   

  • Memory Card slot


SIMATIC S7-400 CPU 414-3 PN/DP

CPU for more demanding applications of the medium performance range and additional PROFINET functionality    

  • RAM 2.8 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • additional PROFIBUS DP-Interface

  • additional PROFINET Interface   

  • Slot for additional IF-Module   

  • Memory Card slot 


SIMATIC S7-400 CPU 416-2

Entry CPU for the upper performance range     

  • RAM 5.6 MB

  • MPI/PROFIBUS DP-Master-Interface   

  • additional PROFIBUS DP-Interface   

  • Memory Card slot


SIMATIC S7-400 CPU 416F-2

Failsafe entry CPU for the upper performance range     

  • RAM 5.6 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • Memory Card slot   

  • additional PROFIBUS DP-Interface   

  • complies with safety requirements up to SIL 3 to IEC 61508 and up to Cat. 4 according to EN 954-1


SIMATIC S7-400 CPU 416-3

Standard CPU for the upper performance range and additional communication tasks   

  •  RAM 11.2 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • 2 additional PROFIBUS DP-Interfaces

  • Slot for additional IF-Module   

  • Memory Card slot


SIMATIC S7-400 CPU 416-3 PN/DP

Standard CPU for the upper performance range with PROFINET functionality   

  • RAM 11.2 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • additional PROFIBUS DP-Interface

  • additional PROFINET Interface  

  • Slot for additional IF-Module   

  • Memory Card slot


SIMATIC S7-400 CPU 416F-3 PN/DP

Failsafe CPU for the upper performance range with PROFINET functionality 

  • RAM 11.2 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • additional PROFIBUS DP-Interface

  • additional PROFINET Interface   

  • Slot for additional IF-Module   

  • Memory Card slot   

  • complies with safety requirements up to SIL 3 to IEC 61508 and up to Cat. 4 according to EN 954-1


SIMATIC S7-400 CPU 417-4

High End CPU for the upper performance range and additional communication tasks 

  • RAM 30 MB   

  • MPI/PROFIBUS DP-Master-Interface   

  • 3 additional PROFIBUS DP-Interfaces

  • 2 slots for additional IF-Modules 

  • Memory Card slot


Technical data

Technical data S7-400 CPUs