P.B.10
SEL-411L Relay Protection Manual Date Code 20151029
Firmware Upgrade Instructions
Upgrade Procedure
The relay responds with the following message:
Disable relay to send or receive firmware (Y/
N)?
b. Type Y <Enter>.
The relay responds with the following message:
Are you sure (Y/N)?
c. Type Y <Enter>.
The relay responds with the following message:
Relay Disabled
Step 4. Wait for the SELBOOT program to load.
The front-panel LCD screen displays the SEL
BOOT Ryyy
firmware number (e.g.,
SELBOOT R100); Ryyy is the SELBOOT
revision number and is a different revision number from the
relay firmware revision number. The LCD also displays the
present relay firmware (e.g.,
SEL-451-R102), and
INITIALIZING.
When finished loading the SELboot program, the relay responds to
the terminal with the SELboot prompt !>; the LCD shows the
SELboot and relay firmware revision numbers.
Step 5. Press <Enter> to confirm that the relay is in SEL
BOOT; you
will see another SEL
BOOT prompt !>.
Establish a High-Speed Serial Connection
Step 1. At the SELBOOT prompt, type BAU 115200 <Enter> (see
Figure B.5).
Step 2. Set your terminal program for a data speed of 115200 bps.
Step 3. Press <Enter> to check for the SEL
BOOT prompt !> indicating
that serial communication at 115200 bps is successful.
E Download Existing Firmware to Your Computer
Only follow this step if you want to save a backup copy of the existing relay
firmware on your computer. If you do not need to perform this step, proceed to
Step G on page P.B.12.
The PC needs approximately 4 MB of free disk space to store the relay
firmware.
Step 1. Type SEN <Enter> to initiate the firmware transfer from the
relay to the PC.
The relay responds as shown in Figure B.5.
Step 2. Select the Receive File function with 1K Xmodem protocol in
your terminal emulation software.
Step 3. Name the file with the R-number from the FID from View FID
on page P.B.8 to clearly identify the firmware version (e.g.,
451_R102.s19).
Be sure to add the .s19 suffix.
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