R.9.6
SEL-421 Relay Reference Manual Date Code 20111215
ASCII Command Reference
Description of Commands
CEV C
Use CEV C to return a 15-cycle length event report with analog and digital
information in Compressed ASCII format. The Lyyy option overrides the C
option (see CEV Lyyy).
CEV L
Use CEV L to return a large resolution (8-samples/cycle) event report in
Compressed ASCII format. The Sx option overrides the L option (see
CEV Sx).
CEV Lyyy
Command CEV Lyyy returns a specified length event report in Compressed
ASCII format, where Lyyy indicates a length of yyy cycles. You can specify
yyy from 1 cycle to a value including and beyond the event report total cycle
length. If yyy is longer than the total length, the relay returns the full event
report. The Lyyy option overrides the C option.
CEV NEXT
CEV NEXT returns the oldest unacknowledged event report on the present
communications port in Compressed ASCII format.
Tabl e 9. 17 CEV C Comma nd
Command Description Access Level
CEV C Return the most recent event report at a 15-
cycle length with 8-samples/cycle data in
Compressed ASCII format.
1, B, P, A, O, 2
CEV C n
a
a
Parameter n indicates event order or serial number; see CEV on page R.9.5.
Return particular n event report at a 15-cycle
length with 8-samples/cycle data in Com-
pressed ASCII format.
1, B, P, A, O, 2
Tabl e 9. 18 CEV L Comma nd
Command Description Access Level
CEV L Return the most recent event report at full
length with 8-samples/cycle data in Com-
pressed ASCII format.
1, B, P, A, O, 2
CEV n L
a
a
Parameter n indicates event order or serial number; see CEV on page R.9.5.
Return particular n event report at full length
with 8-samples/cycle data in Compressed
ASCII format.
1, B, P, A, O, 2
Table 9.19 CEV Lyyy Command
Command Description Access Level
CEV Lyyy Return yyy cycles of the most recent event
report (including settings) with 4-samples/
cycle data in Compressed ASCII format.
1, B, P, A, O, 2
CEV n Lyyy
a
a
Parameter n indicates event order or serial number; see CEV on page R.9.5.
Return yyy cycles of a particular n event report
with 4-samples/cycle data in Compressed
ASCII format.
1, B, P, A, O, 2