Communication Options
3.6 Safety-Related CPU-CPU Communication
Safety Engineering in SIMATIC S7
System Manual, 04/2006, A5E00109529-05
3-21
Required User Steps
The user performs the following steps for safety-related communication via S7 connections:
1. Configure the S7 connection for each F-CPU in
STEP 7.
2. In the safety program of the respective F-CPU, select fail-safe blocks for CPU-CPU
communication from the
Fail-safe Blocks F-library and then interconnect and assign
parameters for them.
3. Once the safety programs have been created, compile and download them to the
appropriate F-CPU.
Additional Information
You can find information on configuring the possible connection types in the
STEP 7 online
help.
For detailed information on configuring and programming safety-related communication via
S7 connections, refer to the
Programmable Controllers S7 F/FH manual.
See also
