B.11
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Firmware Upgrade Instructions
Upgrade Procedure
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 SELBOOT
firmware will be written to the Flash memory of the relay. SEL
BOOT
will then automatically restart using the new SEL
BOOT firmware.
Step 4. Once the relay has restarted in SELBOOT, the SELBOOT !> prompt
will appear in the terminal window. Remain in SEL
BOOT and con-
tinue to G Upload New Relay Firmware on page B.6 of this proce-
dure.
F Upload New Relay Firmware
If you are only upgrading SELboot, you can skip this step and continue to
G Return Serial Data Speed to Nominal Operating Speed and Exit SEL
BOOT on
page B.12.
Step 1. From the SEL
BOOT !> prompt, type REC <Enter>.
The relay responds with the prompt shown in Figure B.5. The end of
the relay response is:
Are you sure you want to erase the existing firmware? (Y/N)
Step 2. Type Y <Enter>.
The relay responds,
Erasing, and erases the existing firmware. The
front-panel LCD shows
ERASING MEMORY.
When finished erasing, the relay responds,
Erase successful, and
prompts you to press any key to begin transferring the new firmware.
The front-panel LCD shows only the SEL
BOOT program revision number.
Step 3. Press <Enter> to begin uploading the new firmware.
Step 4. Start the Transfer or Send process in your terminal emulation pro-
gram.
Use 1K Xmodem for fast transfer of the new firmware to the relay.
Step 5. Point the terminal program to the location of the new firmware file
(the file that ends in .s19 or .z19).
Erasing old SELboot
Writing new SELboot to flash
Press any key to begin transfer, then start transfer at the PCC
Restarting SELboot
!>BAU 115200 <Enter>
!><Enter>
!>REC <Enter>
Caution! - This command erases the device firmware.
If you erase the firmware, new firmware must be loaded into the device
before it can be put back into service.
Are you sure you want to erase the existing firmware? (Y/N) Y <Enter>
Erasing
Erase successful
Press any key to begin transfer, then start transfer at the PCCC <Enter>
Figure B.5 Transferring New Firmware
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