P.B.11
Date Code 20151029 Protection Manual SEL-411L Relay
Firmware Upgrade Instructions
Upgrade Procedure
Step 4. Start the terminal emulation software receive program.
Receiving firmware takes approximately 10 minutes at 115200
bps. The front-panel LCD shows
SENDING CODE. After the
transfer, the relay responds with the following message:
Transfer completed successfully
F Upload New SELBOOT Firmware to the Relay
Upgrading SELBOOT firmware in SEL-400 series relays is typically not
required as part of a normal relay firmware upgrade process. However,
occasionally core functions of the relay are enhanced, and the SEL
BOOT
firmware must be upgraded to enable the enhanced functions. If a SEL
BOOT
upgrade for the relay is not indicated in your upgrade kit, skip this step, and
continue on to Step G. See Table B.1 for file names.
NOTE: Do not cycle power to the
relay during the SEL
BOOT firmware
upgrade process. Doing so may cause
the relay to malfunction, requiring
factory repair.
To begin the relay SELBOOT upgrade, start at the SELBOOT prompt !>.
Step 1. Type REC BOOT command at the SEL
BOOT prompt, and
answer Y when prompted to erase the existing SEL
BOOT
firmware.
!>REC BOOT <Enter>
Caution! - This command erases the SELboot firmware.
Are you sure you want to erase the existing firmware? (Y/N)
Step 2. After erasing the existing SELBOOT firmware, the relay will
prompt to begin file transfer. Press any key to begin the file
transfer to the relay.
Step 3. Using an Xmodem file transfer protocol, point the sending
software tool to the relay SEL
BOOT file (Snnn4xx.s19) that is to
be uploaded to the relay.
Upon successful negotiation of the new SEL
BOOT firmware
file, the old SEL
BOOT software will be erased, and the new
SEL
BOOT firmware will be written to the relay’s Flash memory.
SEL
BOOT will then automatically restart using the new
SEL
BOOT firmware.
Erasing old SELboot
Writing new SELboot to flash
Press any key to begin transfer, then start transfer at the PCC
Restarting SELboot
Step 4. Once the relay has restarted in SELBOOT, the SELBOOT
prompt !> will appear in the terminal window. Remain in
SEL
BOOT and continue to Step G of this procedure.
NOTE: Loading the incorrect
SEL
BOOT firmware to the relay may
cause the relay to malfunction,
requiring factory repair.
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