R.9.51
Date Code 20111215 Reference Manual SEL-421 Relay
ASCII Command Reference
Description of Commands
TAR ALL
Use the TAR ALL command to display all of the relay targets.
TAR R
The TAR R command has two functions. Use this command to reset any
latched relay targets resulting from a tripping event. Also employ the TAR R
command to reset to Row 0 the memorized target row that the relay reports
when you issue a simple TAR command.
TAR X
Use the TAR X command to view a different target row in the Relay Word bit
table than the target row in the target row repeat memory. This function is
useful for relay testing. See Section 6: Testing and Troubleshooting in the
User’s Guide for more information.
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 R.1.16.
Table 9.134 TAR ALL Command
Command Description Access Level
TAR ALL Display all target rows. 1, B, P, A, O, 2
Table 9.135 TAR R Command
Command Description Access Level
TAR R Reset latched targets and return memorized
row to Row 0.
1, B, P, A, O, 2
Table 9.136 TAR X Command
Command 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
a
a
Parameter k is the repeat count from 1–32767.
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
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