Date Code 970103 Communications 3-21
SEL-251, -2, -3 Instruction Manual
=>>OPEN <ENTER>OPEN <ENTER>
Open BREAKER (Y/N) ? Y<ENTER>Y<ENTER>
Are you sure (Y/N) ? Y<ENTER>Y<ENTER>
Breaker OPEN
=>>
Example 21.6 kV distribution feeder Date: 04/01/93 Time: 10:45:20.000
Event : TRIG Location: Shot: 0 Targets:
Currents (A pri), ABCQN: 347 354 355 5 6
=>>
After OPEN command execution, if the relay responds "Breaker CLOSED" instead of "Breaker
OPEN," the circuit breaker status input (52A, !52A, 52AR, or !52AR) did not indicate circuit
breaker opening.
PASSWORD (1 or 2) password
PASSWORD allows you to inspect or change existing passwords. To inspect passwords, type
PASSWORD <ENTER> as the following example shows:
=>>PASSWORD <ENTER>PASSWORD <ENTER>
1: OTTER
2: TAIL
=>>
To change the password for Access Level 1 to BIKE enter the following:
=>>PASSWORD 1 BIKE <ENTER>PASSWORD 1 BIKE <ENTER>
Set
=>>
The relay sets the password, pulses the ALARM relay closed, and transmits the response "Set."
After entering new passwords, type PASSWORD <ENTER> to inspect them. Make sure they
are what you intended and record the new passwords.
Passwords can be any length up to six numbers, letters, or any other printable characters except
delimiters (space, comma, semicolon, colon, slash). Upper and lower case letters are treated as
different characters. Examples of valid, distinct passwords include:
OTTER otter Ot3456 +TAIL+ !@#$%^ 123456 12345. 12345
If the passwords are lost or you wish to operate the relay without password protection, install
JMP103 on the main board. With no password protection, you may gain access without knowing
the passwords and view or change current passwords and settings.
SET n p
SET n allows entry of relay settings and logic for setting group n. At the setting procedure
prompts (?), enter new data or press <ENTER> to retain existing settings. You can jump to a
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