Rockwell Automation Publication 1756-UM022D-EN-P - May 2017 121
Develop Safety Applications Chapter 6
Click Generate to generate the safety task signature from the Safety tab of the
Controller Properties dialog box. You can also choose Tools>Safety>Generate
Signature.
Figure 28 - 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)
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.
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