Rockwell Automation 1791DS-IBxxxx Guard I/O DeviceNet Safety Modules - Manual (Page 123)

Rockwell Automation Publication 1791DS-UM001J-EN-P - May 2013 123
Considerations When Replacing Guard I/O Modules Chapter 7
The Set Safety Network Number in Module confirmation dialog box
appears.
5. Verify that the Network Status (NS) status indicator is alternating red/
green on the correct module before clicking Yes to set the SNN and accept
the replacement module.
6. Follow your company-prescribed procedures to functionally test the
replaced I/O module and system and to authorize the system for use.
Scenario 2 - New Module SNN is Different from Original and Safety Signature Exists
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. Right-click your GuardLogix controller and choose Properties.