Date Code 20010719 701 Motor Protection Relay
Maintenance & Troubleshooting
Firmware Upgrade Installation
10.11
Step 6. Type BAU 38400 <ENTER>. This will change the baud rate of the
communications port to 38400. Change the baud rate of your PC to
38400 to match the relay.
Step 7. Make a copy of the firmware currently in the relay. This is
recommended in case the new firmware download is unsuccessful. To
make a backup of the firmware, you will need approximately 2.3 MB
of free disk space. The procedure takes less than 10 minutes at 38400
baud.
Issue the SEN <ENTER> command to initiate the firmware transfer.
Select the binary XMODEM transfer and filename in your
communications software. Give the file a unique name to clearly
identify the firmware version (e.g., 701R100.S19). After the transfer,
the relay will respond “Download completed successfully!”
Step 8. Begin the transfer of new firmware to the relay by issuing the REC
<ENTER> command to instruct the relay to receive new firmware.
Step 9. Type Y to erase the existing firmware or just <ENTER> to abort.
Step 10. The relay then prompts you to press a key and begin the transfer.
Press a key (e.g., <ENTER>).
Step 11. Start the file transfer by selecting the send file option in your
communications software. Use the XMODEM protocol and send the
file that contains the new firmware (e.g., 701R101.S19).
The file transfer takes less than 10 minutes at 38400 baud. After the
transfer is complete, the relay will reboot and return to Access
Level 1. The following screen capture shows the entire process. If
you require additional commands during the upload/download
process, type HELP to view the available commands.
=>>L_D <ENTER>
Disable relay to send or receive firmware(Y/N) ? Y <ENTER>
Are you sure (Y/N) ? Y <ENTER>
Relay Disabled
!>BAU 38400 <ENTER>
!>SEN <ENTER>
Download completed successfully!
!>REC <ENTER>
Caution! - This command erases the relay’s firmware.
If you erase the firmware, new firmware must be loaded into the relay
before it can be put back into service.
Are you sure you wish to erase the existing firmware? (Y/N)Y
Erasing
Erase successful
Press any key to begin transfer, then start transfer at the PC <ENTER>
Upload completed successfully. Attempting a restart
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