Siemens SIMATIC S7-1500 System Manual page 179

Protection
15.5 Know-how protection
Opening know-how protected blocks
1. Double-click 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 will open.
Once you have opened the block, you can edit the program code and the block interface of
the block for as long as the block or STEP 7 is open. The password must be entered again
the next time the block is opened. If you close the "Access protection" dialog with "Cancel",
the block will open but the block code will not be displayed and you will not be able to edit
the block.
The know-how protection of the block is not removed if, for example, you copy the block or
add it to a library. The copies will also be know-how-protected.
Removing block know-how protection
1. Select the block from which you want to remove know-how protection. The protected
block may not be open in the program editor.
2. In the "Edit" menu, select the "Know-how protection" command to open the "Know-how
protection" dialog.
3. Clear the "Hide code (Know-how protection)" check box.
Figure 15-5
4. Enter the password.
Figure 15-6
5. Click "OK" to confirm your entry.
Result: Know-how protection will be removed from the block selected.
178
Removing block know-how protection (1)
Removing block know-how protection (2)
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB