14.7
Date Code 20171006 Instruction Manual SEL-400 Series Relays
ASCII Command Reference
Command Description
CEV ACK
Use CEV ACK to acknowledge viewing the oldest unacknowledged event on the
present communications port. View this event with the CEV NEXT or EVE
NEXT commands.
CEV C
Use CEV C to return a 15-cycle length event report with analog and digital infor-
mation in Compressed ASCII format. The Lyyy option overrides the C option
(see CEV Lyyy).
CEV L
Use CEV L to return a large resolution event report in Compressed ASCII for-
mat. The Sx option overrides the L option (see CEV Sx).
NOTE: Not all SEL-400 series relays
support the CEV L option.
Table 14.17 CEV Command
Command Description Access Level
CEV Return the most recent event report (including settings and
summary) at full length with 4-samples/cycle data in Com-
pressed ASCII format.
1, B, P, A, O, 2
CEV n
a
a
Parameter
n
indicates event order or serial number.
Return particular n event report (including settings and sum-
mary) at full length with 4-samples/cycle data in Com-
pressed ASCII format.
1, B, P, A, O, 2
Ta b l e 1 4.1 8 C EV ACK Comm a n d
Command Description Access Level
CEV ACK Acknowledge the oldest unacknowledged event at the
present communications port.
1, B, P, A, O, 2
Table 14.19 CEV C Command
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 Return particular n event report at a 15-cycle length with
8-samples/cycle data in Compressed ASCII format.
1, B, P, A, O, 2
Ta b l e 1 4.20 CEV L C om m a n d
Command
a
a
Parameter
n
indicates event order or serial number; see
CEV on page 14.6
.
Description Access Level
CEV L Return the most recent event report at full length with large
resolution data in Compressed ASCII format.
1, B, P, A, O, 2
CEV n L Return particular n event report at full length with large res-
olution data in Compressed ASCII format.
1, B, P, A, O, 2
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