Siemens SIMATIC S7-1500 System Manual page 242

Protection
10.6 Know-how protection
Setting up block know-how protection
Proceed as follows to set up block know-how protection:
1. Open the properties of the block in question.
2. Select the "Protection" option under "General".
Figure 10-2 Setting up block know-how protection
3. Click "Protection" to display the "Define protection" dialog.
Figure 10-3 Defining protection
4. Enter the new password in the "New password" box. Enter the same password in the
"Confirm password" box.
5. Click "OK" to confirm your entry.
6. Close the "Know-how protection" dialog by clicking "OK".
Result: The blocks selected are know-how-protected. Know-how protected blocks are marked
with a padlock in the project tree. The password entered applies to all blocks selected.
NOTE
Password provider
Alternatively, you can set up know-how protection for blocks with a password provider.
Opening know-how protected blocks
Proceed as follows to open a know-how protected block:
1. Double-click on the block to open the "Access protection" dialog.
2. Enter the password for the know-how protected block.
3. Click "OK" to confirm your entry.
Result: The know-how-protected block opens.
After opening the block you can edit the program code and the block interface of the block
until you close the block or STEP 7. You need to enter the password again the next time you
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S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD