14.58
SEL-400 Series Relays Instruction Manual Date Code 20171006
ASCII Command Reference
Command Description
The value value1 can be logical 0 or logical 1 for digital and status elements, or a
floating-point value for all meter quantities. For meter items that report a pair of
values in the Fast Meter message, value1 is the magnitude and value2, if pro-
vided, is the angle. If you do not specify value2, the relay uses an angle of 0.
When you have successfully added a new Fast Meter test value (for example,
TEST FM IA1 3.7 0.0), the relay responds,
Override Added.
The relay asserts Relay Word bit TESTFM while any Fast Meter override data
are present in the relay.
Fast Meter Status Byte
Bits labeled TEST and FMTEST reside in the Fast Meter status byte. If any item
within the Fast Meter message is in test mode, the relay sets the TEST bit. Simi-
larly, if any item in any Fast Meter message is in test mode, the FMTEST is set in
all three Fast Meter responses.
TEST FM DEM
Use the TEST FM DEM command to insert override values in Fast Meter
demand metering.
NOTE: Not all SEL-400 series relays
support demand metering. These
relays will not support the TEST FM DEM
command.
TEST FM OFF
Use the TEST FM OFF command to remove override values. The relay returns
the Fast Meter registers to the pretest values.
When you have successfully removed a Fast Meter test value (for example,
TEST FM IA1 OFF), the relay responds,
Override Removed. When an attempt
to remove an FM test value fails, the relay responds,
Override Not Found. When
removing all FM test values (for example, TEST FM OFF), the relay responds,
All Overrides Removed.
TEST FM PEAK
Use the TEST FM PEAK command to insert override values in Fast Meter peak
demand metering.
NOTE: Not all SEL-400 series relays
support demand metering. These
relays will not support the TEST FM
PEAK command.
Table 14.134 TEST FM DEM Command
Command Description Access Level
TEST FM DEM
label value1
Write new data value1 to the Fast Meter demand meter
report at the item label label.
B, P, A, O, 2
Table 14.135 TEST FM OFF Command
Command Description Access Level
TEST FM label OFF Clear the override values for the Fast Meter item label. B, P, A, O, 2
TEST FM OFF Clear all override testing values from Fast Meter. B, P, A, O, 2
Ta b l e 1 4.1 3 6 T E ST F M P E A K Com m a n d
Command Description Access Level
TEST FM PEAK
label value1
Write new data value1 to the Fast Meter peak demand
meter report at the item label label.
B, P, A, O, 2
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