P.15.60
SEL-411L Relay Protection Manual Date Code 20151029
ASCII Command Reference
Description of Commands
TEST FM
Values you enter in Fast Meter storage are “override values.” Use the TEST
FM command to display override values and write override values in the Fast
Meter report.
When you display Fast Meter data overrides with the TEST FM command,
the relay shows the item label, and override values.
To force a value, use the TEST FM label value1 value2 command. The item
label label is any analog channel label in the Fast Meter configuration (if
available), any digital element label (from the DNA command), and any status
element label (from the BNA command) except the TEST and FMTEST
items.
The value value1 can be logical 0 or logical 1 for digital and status elements,
or a floating-point value for all meter quantities. All meter values are in
primary units. For meter items that report a pair of values in the Fast Meter
message, value1 is the magnitude and value2, if provided, 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. Similarly, 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.
Ta b l e 1 5.1 59 T E ST F M Co m ma n d
Command Description Access Level
TEST FM Display present override values. 1, B, P, A, O, 2
TEST FM label
value1 value2
Write new data value1 and value2 to the Fast
Meter report at the item label label. Parameter
value2 is optional.
B, P, A, O, 2
Ta b l e 1 5.1 6 0 T E ST F M D E M Co m m a n d
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
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