14.50
SEL-400 Series Relays Instruction Manual Date Code 20171006
ASCII Command Reference
Command Description
You can use the TERSE option in any SET command at any position after typing
SET. When you end the settings edit session, the relay responds,
Save settings
(Y,N)?.
If you answer Y <Enter>, the relay pulses the Relay Word bit SAL-
ARM, and responds,
Saving Settings, Please Wait............ The relay
saves the new settings, then responds,
Settings Saved. If you answer N
<Enter> to the save settings prompt, the relay responds,
Settings aborted.
SHOW
The SHOW command shows the relay settings. When showing settings, the relay
displays the settings label and the present value from nonvolatile memory.
The relay organizes settings in classes, instances, categories, and specific set-
tings; see SET on page 14.48 for information on settings organization. The relay
displays each setting in the order specified in the settings tables. When you are
using a terminal and you specify a setting in the middle of a settings category, the
relay displays the category title, then proceeds with the class or instance settings
from the setting that you specified.
SNS
In response to the SNS command, the relay sends the names of the SER ele-
ments. This is a comma-delimited string used to support the SEL Fast SER
report.
STATUS
The STATUS command reports relay status information that the relay derives
from internal diagnostic routines and self-tests. See Relay Self-Tests on
page 10.15 for information on relay diagnostics.
Table 14.114 SHO Command Overview
Command
a
a
Parameter
n
= 1–6, representing Group 1–6.
c
= settings class (relay specific).
i
= class instance (choices depends on the class).
Description Access Level
SHO Show the Group relay settings, beginning at the first setting
in the active group.
1, B, P, A, O, 2
SHO n Show the Group n relay settings, beginning at the first set-
ting in each instance.
1, B, P, A, O, 2
SHO label Show the Group relay settings, beginning at the active
group settings label label.
1, B, P, A, O, 2
SHO n label Show the Group n relay settings, beginning at the settings
label label.
1, B, P, A, O, 2
SHO c Show class c using the default instance beginning at the first
setting.
P, A, O, 2
SHO c i Show class c, instance i beginning at the first setting. P, A, O, 2
SHO c i label Show class c, instance i, beginning at setting label. P, A, O, 2
Table 14.115 SNS Command
Command Description Access Level
SNS Send the names of SER elements. 0, 1, B, P, A, O, 2
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