P.15.57
Date Code 20151029 Protection Manual SEL-411L Relay
ASCII Command Reference
Description of Commands
You can place the X option at any position in the TAR command.
TEC
Enter the TEC (time-error calculation) command to display the present time-
error estimate and the status of the time-error control equations, and to modify
the time-error correction value. For more information on the time-error
calculation, see Time-Error Calculation on page P.3.122.
See Figure 3.72 for a sample TEC command response.
Use the TEC n command to preload the time-error correction value,
TECORR. If the value n is within range, the relay will prompt
Are you sure
(Y/N)?
. If the prompt is acknowledged, the relay sets analog quantity
TECORR = n, and asserts Relay Word bit PLDTE for approximately 1.5
cycles. The relay then displays the new TECORR value, along with the
remaining TEC command data.
The TECORR value does not affect the TE (time error) estimate until the
LOADTE SEL
OGIC equation asserts.
TEST DB
The TEST DB command is used for testing access of the virtual device
database.
TEST DB
Use Fast Message Data Access operations in conjunction with the TEST DB
command to write temporary values to the virtual device database in order to
verify the database values. The relay contains a database that describes the
relay to external devices. When other devices access the relay via the Fast
Message protocol, the relay appears as a virtual device described by the
database. The relay is Virtual Device 1.
The virtual database is accessible to master stations of supported Fast
Message protocol connected to the relay through serial communication or
Ethernet network. You can therefore test the read functionality of the Fast
Message protocol in the serial port or Ethernet interface with this command.
Table 15.153 TAR X Command
Command
a
a
Parameter k is the repeat count from 1–32767.
Description Access Level
TAR n X Display target Row n, but do not memorize
Row n.
1, B, P, A, O, 2
TAR X n k Display target Row n and repeat for k times; do
not memorize Row n. The repeat count k must
follow the row number.
1, B, P, A, O, 2
TAR name X Display the target row with the element name
name; do not memorize the row number.
1, B, P, A, O, 2
TAR name X k Display the target row with the element name
name and repeat for k times; do not memorize
the row number. The repeat count k can be at
any position in the command after TAR.
1, B, P, A, O, 2
Tab l e 15.1 5 4 T EC Co m m a n d
Command Description Access Level
TEC Display time-error data. 1, B, P, A, O, 2
TEC n Preload time-error correction value n,
where –30.000 <= n <= 30.000
B, P, A, O, 2