Protection
7.4 Know-how protection
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
Operating Instructions, 11/2019, A5E35873416-AC
65
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 respective block.
2. Select the "Protection" option under "General".
Figure 7-2 Setting up block know-how protection (1)
3. Click "Protection" to display the "Define protection" dialog.
Figure 7-3 Defining protection
4. Enter the new password in the "New password" field. Enter the same password in the
"Confirm password" field.
5. Click "OK" to confirm your entry.
6. Close the "Know-how protection" dialog by clicking "OK".
Result: The blocks selected will be know-how-protected. Know-how protected blocks are
marked with a lock symbol 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.
To Next Page
Loading...
