Siemens SIMATIC PCS 7 Operating Manual page 122

Configuring the safety program
7.9 Safety mode and downloading the safety program
Preconditions for deactivating safety mode
● The CPU must be in the RUN state (mode switch in RUN or RUN-P).
● Safety mode must be activated.
Procedure
1. Select the CPU or its S7 program in the SIMATIC Manager.
2. Select the menu command "Options > Edit Safety Program".
3. Click the "Safety mode" button and (if applicable) enter the password for the safety
program.
4. Confirm the deactivation of the safety mode.
Note
The F_SHUTDN block generates a message when safety mode is activated/deactivated.
The parameter for the message repetition time is assigned at the F_SHUTDN block in
chart @F_ShutDn.
122
Compendium Part B - Process Safety (V8.2)
Operating Manual, 07/2016, A5E35031794-AB