Siemens SIMATIC ET 200SP System Manual page 162

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
To set up block know-how protection, follow these steps:
1. Open the properties of the block in question.
2. Select the "Protection" option under "General".
Figure 9-2
3. Click the "Protection" button to display the "Know-how protection" dialog.
Figure 9-3
4. Click the "Define" button to open the "Define Password" dialog.
Figure 9-4
5. Enter the new password in the "New password" box. Enter the same password in the
"Confirm password" box.
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
Setting up block know-how protection (1)
Setting up block know-how protection (2)
Setting up block know-how protection (3)
Protection
9.4 Know-how protection
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