R.9.16
SEL-421 Relay Reference Manual Date Code 20111215
ASCII Command Reference
Description of Commands
CSU ACK
Use the CSU ACK command to acknowledge an event summary that you
recently retrieved with the CSU NEXT command on the present
communications port.
CSU MB
The CSU MB command causes the relay to output the labels for the
M
IRRORED BITS communications channel data in Compressed ASCII format.
CSU NEXT
Use the CSU NEXT command to view the oldest unacknowledged event
summary in Compressed ASCII format.
CSU TERSE
The TERSE command option returns an event summary report in
Compressed ASCII format without labels; the relay sends only the data
(including header data).
You can apply the TERSE option with any of the CSU commands except
CSU ACK and CSU MB.
Table 9.40 CEV ACK Command
Command Description Access Level
CSU ACK Acknowledge the oldest unacknowledged
event summary at the present communications
port for Compressed ASCII format.
1, B, P, A, O, 2
Tabl e 9. 41 CS U MB Co m man d
Command Description Access Level
CSU MB Return the MIRRORED BITS communications
channel labels.
1, B, P, A, O, 2
Table 9.42 CSU N Command
Command Description Access Level
CSU N View the oldest unacknowledged event
summary.
1, B, P, A, O, 2
Table 9.43 CSU TERSE Command
Command Description Access Level
CSU TERSE Return the event summary report without the
label lines in Compressed ASCII format.
1, B, P, A, O, 2
CSU n TERSE
a
a
Parameter n indicates event number or serial order.
Return a particular n event summary report
without the label lines in Compressed ASCII
format.
1, B, P, A, O, 2
CSU N TERSE View the oldest unacknowledged event sum-
mary without the label lines in Compressed
ASCII format.
1, B, P, A, O, 2
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