Protection
8.4 Know-how protection
Distributed I/O system
168 System Manual, 12/2016, A5E03576849-AG
Global data blocks and array data blocks
You can provide global data blocks (global DBs) with know-how protection. Users who do
not possess the valid password can read the global data block but not change it.
You cannot provide array data blocks (array DBs) with know-how protection.
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 8-2 Setting up block know-how protection (1)
3. Click the "Protection" button to display the "Know-how protection" dialog.
Figure 8-3 Setting up block know-how protection (2)
4. Click the "Define" button to open the "Define Password" dialog.
Figure 8-4 Setting up block know-how protection (3)
5. Enter the new password in the "New password" box. Enter the same password in the
"Confirm password" box.
6. Click "OK" to confirm your entry.
7. Close the "Know-how protection" dialog by clicking "OK".
Result: The selected blocks are now know-how protected. Know-how protected blocks are
marked with a lock in the project tree. The password entered applies to all blocks selected.
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