5.7
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Message Strings
20EVENT Features
20EVENT Features
Because SEL relays may trigger multiple event reports in rapid succession, the
SEL-2032 has special features based on these triggers to facilitate collecting
event reports. To take advantage of these special features, you must set
20EVENT
as a user-defined command with
SET U
. The SEL-2032 then
keeps track of the number of summary event reports received from the SEL
relay on that port. You must then set MESG3 or MESG3A to 20EVENT,
20EVENTS, or 20EVENTL. The SEL-2032 will then collect the oldest
unread event report from the SEL relay. The CMD
x
bit corresponding to the
20EVENT
command continues to retrigger every 5 minutes as long as there
are uncollected event reports. (To have the CMD
x
bit trigger immediately on
Table 5.4
Predefined Strings for Auto-Messages with Auto-Configured SEL IEDs
String
Comment
20METER
Send ASCII meter or Fast Meter command, as appropriate.
20DEMAND
Send ASCII demand meter or
fast demand meter command, as appropriate.
20TARGET
Send ASCII target command sequence or Fast Meter, as appropriate.
a
a
When the SEL-2032 collects target data from relays that do not have Fast Meter capability,
the
TARGET
commands sent by the SEL-2032 may momentarily modify the front-panel targets
on the relays—just as if you were sending the
TARGET
command to the relay without the
SEL-2032.
20HISTORY
Send ASCII history command.
20STATUS
Send ASCII status command.
20BREAKER
Send ASCII breaker command.
20EVENT
Send ASCII request for standard (4 sample/cycle)
event report. Stored in a parsed format. (Refer to the
following subsection for some additional features.)
20EVENTS
Send ASCII request for standard (4 sample/cycle)
event report. Stored in a literal format. (Refer to the
following subsection for some additional features.)
20EVENTL
Send ASCII request for long (16 sample/cycle)
event report. Stored in a literal format. (Refer to the
following subsection for some additional features.)
Table 5.5
Other Predefined Strings for Auto-Messages
String
Comment
20USER
No message is sent, but data from User Region is copied to this region.
Table 5.6
Predefined Strings for General-Purpose User-Defined Commands
String
Comment
20EVENT
Recognize summary event reports received from SEL relays and
trigger with delay. Will continue to retrigger until all reports are collected.
20EVENTQ
Recognize summary event reports
received from SEL relays and trigger immediately.
20STATUS
Recognize status messages received from SEL relays.
20GROUP
Recognize group switch messages from SEL relays.
Summary of Contents for SEL-2032
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