B.6
SEL-700G Relay
Instruction Manual
Date Code 20170814
Firmware Upgrade Instructions
Upgrade Firmware Using a Terminal Emulator
Upgrade Firmware Using a Terminal Emulator
The following instructions assume you have a working knowledge of your
personal computer terminal emulation software. In particular, you must be
able to modify your serial communications parameters (data rate, data bits,
parity, etc.), select transfer protocol (Xmodem/CRC or 1k Xmodem/CRC),
and transfer files (for example, send and receive binary files).
Step 1. If the relay is in service, open the relay control circuits.
Step 2. Connect the PC to the front-panel serial port and enter Access
Level 2.
Step 3. Save the present relay settings.
You can use the PC software (described in the instruction
manual PC software section) to save and restore settings easily.
Otherwise, use the following steps.
a. Issue the following commands at the ASCII prompt:
SHO, SHO L, SHO G, SHO P, SHO F, SHO R,
SHO C, etc.
b. Record all the settings for possible re-entry after the
firmware upgrade.
c. We recommend that you save all stored data in the
relay, including EVENTS, before the upgrade.
Step 4. Start upgrading of firmware.
a. Issue the L_D command to the relay.
b. Type Y <Enter> at the following prompt:
Disable relay to receive firmware (Y/N)?
c. Type Y <Enter> at the following prompt:
Are you sure (Y,N)?
The relay will send the
!>
prompt.
Step 5. Change the data rate, if necessary.
a. Type BAU 115200 <Enter>.
This will change the data rate of the communications
port to 115200.
b. Change the data rate of the PC to 115200 to match the
relay.
Step 6. Begin the transfer of new firmware to the relay by issuing the
REC command.
Step 7. Type Y to erase the existing firmware or press <Enter> to
abort.
Step 8. Press any key (for example, <Enter>) when the relay sends a
prompt.
NOTE:
To save the calibration
settings, perform
SHO C
from the
terminal by logging into CAL level
using the CAL level password. The
factory-default password for CAL
level is CLARKE.
NOTE:
If you have difficulty at
115200 bps, choose a slower data
transfer rate (for example, 38400 bps
or 57600 bps). Be sure to match the
relay and PC data rates.
Содержание SEL-700G Series
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