Siemens SIMATIC S7-1500 System Manual page 254

Protection
11.6 Know-how protection
Further actions
Further actions that can be carried out with a know-how protected block:
• Copying and deleting
• Calling in a program
• Online/offline comparison
• Loading
Global data blocks and array data blocks
You protect global data blocks (global DBs) from unauthorized access with know-how
protection. If you do not have the valid password, you can read the global data block but not
change it.
Know-how protection is not available for array data blocks (array DBs).
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 11-4
3. Click the "Protection" button to display the "Define password" dialog.
Figure 11-5
4. Enter the new password in the "New password" box. Enter the same password in the
"Confirm password" box.
252
Setting up block know-how protection
Select password
SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD