CPUs of the S7-400
2-19
Automation System S7-400 Configuration and Use
A5E0044271 1-02
Hardware Components
The hardware components of an S7 Distributed Safety include the following:
• F-capable CPU, e. g. CPU 416-2F
• Fail-safe I/O
In addition, the F-system can be expanded with standard components of the
S7-400.
Software Components
The software components of an S7 Distributed Safety include the following:
• Optional package on the programming device/ES for configuring and
programming the F-system
• Safety program in the F-CPU
Optional Package S7 Distributed Safety
S7 Distributed Safety is the configuration and programming software for the
S7 Distributed Safety fail-safe system. With S7 Distributed Safety, you receive the
following:
• Support for configuring the F-I/O in STEP 7 using HW Config
• Support for creating the safety program and integrating error detection functions
into the safety program
• F-library containing fail-safe application blocks that you can use in your safety
program.
Moreover, S7 Distributed Safety offers functions for comparing safety programs
and for assisting you with the system acceptance test.