B.8
SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
SEL-300 Series Relays Firmware Upgrade Instructions
Upgrade Procedure
g. Repeat Step a through Step c, then uncheck the Append
line feeds to incoming line ends check box. (This
feature can cause problems when uploading firmware to
the relay.)
Step 2. From the computer, start the SEL
BOOT program:
a. From the Access Level 2
=>> prompt, type the
following:
L_D <Enter>.
The relay responds with the following:
Disable relay to send or receive firmware (Y/
N)?
b. Type Y <Enter>.
The relay responds with the following:
Are you sure (Y/N)?
c. Type Y <Enter>.
The relay responds with the following:
Relay Disabled
Step 3. Wait for the SELBOOT program to load.
The front-panel LCD screen displays the SEL
BOOT firmware
number (e.g.,
SLBT-3xx-R100). The number following the R is
the SEL
BOOT revision number. This number is different from
the relay firmware revision number.
After SEL
BOOT loads, the computer will display the
SEL
boot !> prompt.
Step 4. Press <Enter> to confirm that the relay is in SEL
BOOT.
You will see another SEL
boot !> prompt.
Commands Available in SELBOOT
For a listing of commands available in SELBOOT, type HELP <Enter>. You
should see a screen similar to Figure B.9.
!>HELP <Enter>
SELboot-3xx-R100
bau "rate" ; Set baud rate to 300, 1200, 2400, 4800, 9600, 19200, or 38400 baud
era ; Erase the existing relay firmware
exi ; Exit this program and restart the device
fid ; Print the relays firmware id
rec ; Receive new firmware for the relay using xmodem
sen ; Send the relays firmware to a pc using xmodem
hel ; Print this list
FLASH Type : 040 Checksum = 370E OK
Figure B.9 List of Commands Available in SELBOOT
Establish a High-Speed Connection
Step 5. Type BAU 38400 <Enter> at the SELboot !> prompt.
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