B.7
Date Code 20170927 Instruction Manual SEL-751 Relay
Firmware Upgrade Instructions
Upgrade Firmware Using a Terminal Emulator
complete, the relay reboots and returns to Access Level 0.
Figure B.1 shows the entire process.
Step 10. The relay illuminates the ENABLED front-panel LED if the relay
settings were retained through the download.
If the ENABLED LED is illuminated, proceed to Step 11.
If the ENABLED LED is not illuminated or the front panel
displays
STATUS FAIL or Non_Vol Failure, use the following
procedure to restore the factory-default settings:
a. Set the communications software settings to 9600 bps,
8 data bits, and 1 stop bit.
b. Enter Access Level 2 by issuing the 2AC command.
c. Issue the R_S command to restore the factory-default
settings.
The relay then reboots with the factory-default settings.
d. Enter Access Level 2.
e. Issue the STATUS command.
If the relay is ENABLED go to Step f.
If the STATUS report shows option card
FAIL and
Relay Disabled and the message:
Confirm Hardware Config
Accept & Reboot (Y/N)?
Enter Y. This saves the relay calibration settings.
The relay responds:
Config Accepted
The relay reboots and comes up ENABLED.
f. Restore relay settings back to the settings saved in
Step 3.
Step 11. Change the data rate of the PC to match that of the relay prior
to Step 5, and enter Access Level 2.
Step 12. Issue the STATUS command; verify all relay self-test results
are OK.
Step 13. Apply current and voltage signals to the relay.
=>>L_D <Enter>
Disable relay to receive firmware (Y,N)? Y <Enter>
Are you sure (Y,N)? Y <Enter>
Relay Disabled
BFID=BOOTLDR-R500-V0-Z000000-D20090925
!>BAU 115200 <Enter>
!>REC <Enter>
This command uploads new firmware.
When new firmware is uploaded successfully, IED will erase old firmware,
load new firmware and reboot.
Are you sure you want to erase the existing firmware(Y,N)? Y <Enter>
Press any key to begin transfer and then start transfer at the terminal.<Enter>
Erasing firmware.
Erase successful.
Writing new firmware.
Upload completed successfully. Attempting a restart.
Figure B.1 Firmware File Transfer Process
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