Rockwell Automation 1756-L7x GuardLogix 5570 Controllers - Manual (Page 97)

Rockwell Automation Publication 1756-UM022A-EN-P - November 2012 97
Develop Safety Applications Chapter 6
You can generate the safety task signature from the Safety tab of the Controller
Properties dialog box by clicking Generate. You can also choose
Tools>Safety>Generate Signature.
Figure 26 - Safety Tab
If a previous signature exists, you are prompted to overwrite it.
When a safety task signature exists, the following actions are not permitted in the
safety portion of the application:
• Online/offline programming or editing (including safety Add-On
Instructions)
• Forcing Safety I/O
• Changing the inhibit state of Safety I/O or producer controllers
• Safety data manipulation (except by safety routine logic)
Copy the Safety Task Signature
You can use the Copy button to create a record of the safety task signature for use
in safety project documentation, comparison, and validation. Click Copy, to copy
the ID, Date, and Time components to the Windows clipboard.
TIP Safety task signature creation and deletion is logged in the controller log.
For more information on accessing the controller log, refer to Logix5000 Controllers
Controller Information and Status Programming Manual, publication
1756-PM015 .