Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

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9.4
SEL-351-5, -6, -7 Relay Instruction Manual
Date Code 20070117
Setting the Relay
Settings Changes Via the Serial Port
Settings Changes Via the Serial Port
See Section 10: Serial Port Communications and Commands for information
on serial port communications and relay access levels. The SET commands in
Table 9.1 operate at Access Level 2 (screen prompt: =>>). To change a
specific setting, enter the command:
SET n m s TERSE
When you issue the SET command, the relay presents a list of settings, one at
a time. Enter a new setting, or press <Enter> to accept the existing setting.
Editing keystrokes are shown in Table 9.2 .
The relay checks each entry to ensure that it is within the setting range. If it is
not, an
Out of Range
message is generated, and the relay prompts for the
setting again.
When all the settings are entered, the relay displays the new settings and
prompts for approval to enable them. Answer
Y <Enter> to enable the new
settings. If changes are made to Global, SER, or Text settings (see Table 9.1 ),
the relay is disabled while it saves the new settings. If changes are made to the
Relay or Logic settings for the active setting group (see
Table 9.1 ), the relay is
disabled while it saves the new settings. The
ALARM
contact closes
momentarily (for b contact, opens for an a; see Figure 7.27 ) and the
EN
LED
extinguishes (see Table 5.1 ) while the relay is disabled. The relay is disabled
for about one second. If Logic settings are changed for the active group, the
relay can be disabled for up to 15 seconds.
If changes are made to the Relay or Logic settings for a setting group other
than the active setting group (see
Table 9.1 ), the relay is not disabled while it
saves the new settings. The ALARM contact closes momentarily (for b contact,
opens for an a; see Figure 7.27 ), but the
EN
LED remains on (see Table 5.1 )
while the new settings are saved.
where:
n = L, G, R, T, or P
(parameter n is not entered for the Relay settings).
m = group (1....6) or port (1....3). The relay selects the
active group or port if m is not specified.
s = the name of the specific setting you wish to jump to
and begin setting. If s is not entered, the relay starts at
the first setting.
TERSE = instructs the relay to skip the SHOWSET display after
the last setting. Use this parameter to speed up the
SET command. If you wish to review the settings
before saving, do not use the TERSE option.
Table 9.2 Set Command Editing Keystrokes
Press Key(s) Results
<Enter> Retains setting and moves to the next setting.
^ <Enter> Returns to previous setting.
< <Enter> Returns to previous setting section.
> <Enter> Moves to next setting section.
End <Enter> Exits editing session, then prompts you to save the settings.
<Ctrl> X Aborts editing session without saving changes.