Rockwell Automation 1747-L5xx SLC 500 Modular Hardware Style User Manual - Manual (Page 161)

Publication 1747-UM011G-EN-P - June 2008
Troubleshooting 161
Returning the SLC 5/03, SLC 5/04, and SLC 5/05 Processors to
Initial Factory Conditions
We only recommend this procedure if the communication channels
have been shut down due to the configuration parameters, or if you
absolutely cannot establish communication with the processor.
Follow this procedure to return the processor to initial factory
conditions.
1. Remove power from the SLC 500 power supply.
2. Remove the processor from the chassis.
3. Disconnect the battery by removing the battery connector from
its socket.
4. Locate the VBB and GND connections on the right side of the
motherboard.
5. Place a small bladed screwdriver across the VBB and GND
connections and hold for 60 seconds. This returns the processor
to the initial factory conditions.
WARNING
If you return the processor to the initial factory conditions, the
user program is lost and communication configurations are
returned to their default settings.