Siemens SIMATIC S7-300 Getting Started page 85

Step Activity
12 In the "Safety program" dialog box, open the "Offline" and
"Online" tabs one after the other and verify that the
collective signatures of all F-blocks with the F-attribute in the
block container match online and offline.
13 Perform a STOP/RUN transition of the TF-CPU to activate
safety mode.
Note: After having created a safety program, perform a
complete functional test in accordance with your automation
task (see the manual, S7 Distributed Safety, Configuring
and Programming).
Result
You successfully created the safety program in accordance with the task objective of the
example.
CPU 317TF-3PN/DP: Controlling a SINAMICS S120 with Safety Functions
Getting Started, 10/2013, A5E02982990-04
5.3 Editing the safety program
Result
If they match, then the download has been
successful.
If they do not match, repeat the download
process.
Programming
85