Rockwell Automation 1791DS-IBxxxx Guard I/O DeviceNet Safety Modules - Manual (Page 124)

124 Rockwell Automation Publication 1791DS-UM001J-EN-P - May 2013
Chapter 7 Considerations When Replacing Guard I/O Modules
7. Click to the right of the safety network number to open the Safety
Network Number dialog box.
8. Click Set.
The Set Safety Network Number in Module confirmation dialog box
appears.
9. 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.
10. Follow your company-prescribed procedures to functionally test the
replaced I/O module and system and to authorize the system for use.
Scenario 3 - New Module SNN is Different from Original and No 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.