Allen-Bradley ControlLogix 5570 Reference Manual page 92

Chapter 4 Replacement Considerations with Safety Applications
92
3. Change the GuardLogix 5570/Compact GuardLogix 5570 controller to
a GuardLogix 5580/Compact GuardLogix 5580 controller.
IMPORTANT • If you change from a GuardLogix 5570 safety controller with a SIL 3/PLe
application to a Compact GuardLogix 5380 controller, the application
changes to SIL 2/PLd.
• If you change from a GuardLogix 5570 safety controller with a SIL 3/PLe
application to a GuardLogix 5580 controller, it defaults to a SIL 3/PLe
configuration. The safety controller and safety partner remain in the
same two slots in the I/O tree. If you want to change the GuardLogix
5580 from a SIL 3/PLe to SIL 2/PLd safety project, then change the safety
level in the Safety tab on the Controller Properties dialog box.
a. Open the Controller Properties, and click Change Controller.
b. Select your safety controller in the Change Controller dialog box,
and click OK.
Rockwell Automation Publication 1756-RM100F-EN-P - October 2018