Rockwell Automation 1756-SPESMNRMXT GuardLogix Controllers User Manual - Manuel (Page 87)

Rockwell Automation Publication 1756-UM020I-EN-P - August 2012 87
Add, Configure, Monitor, and Replace CIP Safety I/O Chapter 5
6. Verify that the (NS) Network Status indicator is flashing on the correct
module and click OK to set the SNN on that device.
RSNetWorx for DeviceNet software confirms that the SNN has ben set.
Once the download is completes successfully, the main project view
displays this message: ‘The device at address
xx has been downloaded. Any
device-specific messages related to the download operation are displayed
separately.’
Assuming this is the proper configuration from the original DNT file, the
SNN and configuration signature now match that of the original. If you
are already connected to the controller, a connection is made. The
controller does not need to be taken out of Run mode to download to the
replacement module.