Sel 411L - Page 1067

P.B.17
Date Code 20151029 Protection Manual SEL-411L Relay
Firmware Upgrade Instructions
Factory Assistance
Step 6. Type R_S <Enter> to restore factory default settings in the
relay.
The relay asks whether to restore default settings. If the relay
does not accept the R_S command, contact SEL for assistance.
Step 7. Type Y <Enter>.
The relay can take as long as two minutes to restore default
settings. The relay then reinitializes, and the ENABLED LED
illuminates. This LED is labeled either EN or ENABLED,
depending on the relay model.
Step 8. Press <Enter> to check for the Access Level 0 = prompt
indicating that serial communication is successful.
Step 9. Use the ACC and 2AC commands and type the corresponding
passwords to reenter Access Level 2.
Step 10. Use the CAL command and type the corresponding password
to enter the relay Calibration settings level.
Step 11. Type SHO C <Enter> to verify the relay calibration settings.
If using Method One and the settings do not match the settings
contained in the text file you recorded in Save Settings and
Other Data on page P.B.4, contact SEL for assistance.
If using Method Two and the settings do not match the settings
contained in the text file you recorded in Prepare the Relay on
page P.B.8, contact SEL for assistance.
Step 12. Use the PAS n (n = 0, 1, 2, B, P, A, O, C) command to set the
relay passwords.
Step 13. Restore the relay settings:
a. If you have SEL-5010 Relay Assistant software or
ACSELERATOR QuickSet, restore the original settings
by following the instructions for the respective
software.
a. If you do not have the SEL-5010 Relay Assistant
software or
ACSELERATOR QuickSet, restore the
original settings by issuing the necessary SET n
commands.
Step 14. If any failure status messages still appear on the relay display,
see the Testing and Troubleshooting section in your relay
instruction manual or contact SEL for assistance.
Factory Assistance
We appreciate your interest in SEL products and services. If you have
questions or comments, please contact us at:
Schweitzer Engineering Laboratories, Inc.
2350 NE Hopkins Court
Pullman, WA 99163-5603 U.S.A.
Tel: +1.509.332.1890
Fax: +1.509.332.7990
Internet: www.selinc.com
Email: info@selinc.com
IMPORTANT: Step 6 will cause the
loss of settings and other important
data. Be sure to retain relay settings
and other data downloaded from the
relay at the start of the firmware
upgrade process. Relay calibration
level settings will not be lost.