Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

Page: 582 / 706

B.10
SEL-351-5, -6, -7 Relay Instruction Manual
Date Code 20070117
Firmware Upgrade Instructions
Relay Firmware Upgrade Instructions
E. Download Existing Firmware
Copy the firmware presently in the relay, in case the new firmware upload is
unsuccessful. To make a backup of the existing firmware, the computer will
need as much as 3 MB of free disk space. This backup procedure takes 5–10
minutes at 38400 bps.
Step 1. Type SEN <Enter> at the SEL
BOOT
!>
prompt to initiate the
firmware transfer from the relay to the computer.
Step 2. From the Transfer menu in HyperTerminal , select Receive
File .
You should see a dialog box similar to Figure B.11 .
Step 3. Enter the pathname of a folder on the computer hard drive
where you want to record the existing relay firmware.
Step 4. Select 1K Xmodem if this protocol is available on the PC.
If the computer does not have 1K Xmodem , choose Xmodem .
Step 5. Click Receive .
Figure B.11 Example Receive File Dialog Box
Step 6. Enter a filename that clearly identifies the existing firmware
version ( Figure B.12 ), using the version number from the FID
you recorded earlier in Step 1 on page B.7 and click OK .
SEL lists the firmware revision number first, then the product
number.
Figure B.12 Example Filename Identifying Old Firmware Version
If Xmodem times out before the download completes, repeat
the process from
Step 1 on page B.10 .
NOTE:
HyperTerminal stored any
pathname you entered in Step 3 and
any filename you entered in Step 6
during the earlier download attempt;
this saves you from reentering these
on a subsequent attempt.
For a successful download, you should see a dialog box similar
to
Figure B.13 . After the transfer, the relay responds with the
following:
Download completed successfully!