Date Code 20080110 Communications 7-15
SEL-387E Instruction Manual
The only commands that can be executed at Access Level 0 are the ACC and QUI commands
(see
Figure 7.2). Enter the ACC command at the Access Level 0 prompt to go to Access
Level 1.
Access Level 1
After you issue the ACC command and enter the password, if it is required [see PAS
(Passwords) for default factory passwords], the relay will be in Access Level 1. The prompt for
Access Level 1 appears (=>).
Many commands can be executed from Access Level 1 for viewing relay information. The BAC
command allows the relay to go to Access Level B. The 2AC command allows the relay to go to
Access Level 2.
Access Level B (Breaker Level)
After you issue the BAC command and enter the password, if it is required [see PAS
(Passwords) for default factory passwords], the relay pulses the ALARM contact and will be in
Access Level B (breaker access level). The Access Level B prompt appears (==>).
Many commands can be executed from Access Level B for viewing relay information and
controlling the breaker. While in Access Level B, any of the commands available in the lower
Access Levels 0 and 1 can be executed.
Access Level 2
After you issue the 2AC command and enter the password, if it is required [see PAS (Passwords)
for default factory passwords], the relay pulses the ALARM contact and will be in Access
Level 2. The Access Level 2 prompt appears (=>>).
This is the highest access level. All commands listed in this manual, for any access level, can be
executed from Access Level 2 for viewing relay information, controlling the breaker, and
changing settings. Firmware upgrades to Flash memory (see Appendix B: SEL-300 Series
Relays Firmware Upgrade Instructions) are also performed from this level.
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