Date Code 20080110 SEL-300 Series Relays Firmware Upgrade Instructions B-13
SEL-387E Instruction Manual
b. Some firmware is in self-extracting compressed files (files with .exe extensions).
For firmware in such files, from Windows Explorer double-click on the file and
select the directory on the hard drive where you want to access the
uncompressed files. Verify that these uncompressed files have an .s19 extension.
Step 2. Type REC <Enter> at the SEL
BOOT
!> prompt to command the relay to receive new
firmware.
!>REC <Enter>
Caution! - This command erases the relays firmware.
If you erase the firmware, new firmware must be loaded into the relay
before it can be put back into service.
The relay asks whether you want to erase the existing firmware.
Are you sure you wish to erase the existing firmware? (Y/N) Y <Enter>
Step 3. Type Y to erase the existing firmware and load new firmware. (To abort, type N or
press <Enter>).
The relay responds with the following:
Erasing
Erase successful
Press any key to begin transfer, then start transfer at the PC <Enter>
Step 4. Press <Enter> to start the file transfer routine.
Step 5. Send new firmware to the relay.
a. From the Transfer menu in HyperTerminal, choose Send File (
Figure B.14).
b. In the Filename text box, type the location and filename of the new firmware or
use the Browse button to select the firmware file.
c. In the Protocol text box, select 1K Xmodem if this protocol is available.
If the computer does not have 1K Xmodem, select Xmodem.
d. Click Send to send the file containing the new firmware.
You should see a dialog box similar to
Figure B.15. Incrementing numbers in
the Packet box and a bar advancing from left to right in the File box indicate
that a transfer is in progress.
Receiving software takes 10–15 minutes at 38400 bps, depending on the relay. If you
see no indication of a transfer in progress within a few minutes after clicking Send,
use the REC command again and reattempt the transfer.
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