B-10
SEL-300 Series Relays Firmware Upgrade Instructions
Date Code 20020129
SEL-387E Instruction Manual
6WHS
Use the
SEND
(
SEN
) command to the relay at the SEL
BOOT
prompt to initiate the
firmware transfer from the relay to your computer.
!>SEN <Enter>
You will see no activity on the PC screen because the relay is waiting for the PC to
request the first Xmodem data packet.
Note:
You have about one minute to complete the following procedure before the
relay times out. If the relay should time out, use the
SEND
command again
and restart the Receive File process.
6WHS
Reopen the Receive File dialog box from the Transfer menu in the terminal emulation
program and select Receive.
You should see a dialog box similar to Figure B.11.
6WHS
Provide the filename that you chose earlier and click
OK
.
For a successful download, you should see a dialog box similar to Figure B.12. After
the transfer, the relay will respond: “Download completed successfully!”
Figure B.11: Example Filename
Identifying Old Firmware Version
Figure B.12: Downloading of Old Firmware
F. Upload New Firmware
6WHS
Insert the disk containing the new firmware into the appropriate disk drive on your
computer.
Notes:
This example shows upload of new firmware directly from the floppy disk.
For a faster upload (and less potential for file corruption), copy the new
firmware to your local hard drive and upload the new firmware from your
hard drive.
Some firmware may be in self-extracting compressed files (files with .exe extensions).
If you have firmware in such files, double-click on the file you want from Windows
Explorer and select a directory on your local hard drive into which you want to