Rockwell Automation 1791DS-IBxxxx Guard I/O DeviceNet Safety Modules - Manual (Page 127)

Rockwell Automation Publication 1791DS-UM001J-EN-P - May 2013 127
Considerations When Replacing Guard I/O Modules Chapter 7
If the project is configured for ‘Configure Always’, follow the appropriate steps to
replace a Guard I/O module based on your scenario.
1. Remove the old I/O module and install the new module.
2. Right-click your Guard I/O module and choose Properties.
3. Click the Safety tab.
4. Click Reset Ownership.
5. Click OK.
6. Follow your company-prescribed procedures to functionally test the
replaced I/O module and system and to authorize the system for use.
GuardLogix Project
Safety Signature
Exists Replacement Module
SNN Fault Action Required
Yes or No Out-of-box None None.
Yes or No Same as original None None.
Yes or No Different from original SNN mismatch Click Reset Ownership.
Follow the steps below.