Siemens SIMATIC S7 System Manual page 73

Limitations for S7 Distributed Safety
Note
In Distributed Safety, S7 connections are generally allowed via Industrial Ethernet only!
Safety-related communication via S7 connections can take place to and from the following
CPUs:
•
•
•
Additional Information
You can find information on configuring S7 connections in the
For detailed information on configuring and programming safety-related communication via
S7 connections, refer to the
Safety Engineering in SIMATIC S7
System Manual, 04/2006, A5E00109529-05
CPU 315F-2 PN/DP (only via PN interface of the CPU)
CPU 317F-2 PN/DP (only via PN interface of the CPU)
CPU 416F-2 as of firmware version V 4.0
3.6 Safety-Related CPU-CPU Communication
S7 Distributed Safety Configuring and Programming
Communication Options
STEP 7 online help
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manual.
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