9.3
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Protocols
SEL Fast Message Protocol
the manual trip and close settings (BK1MTR, BK2MTR, BK1MCL,
BK2MCL) in the SEL-421. Operation for circuit breaker two with BR2, OC2,
and CC2 is similar.
The example
AUTO
command also shows that SER support for binary
unsolicited or Fast SER messages is available. This means that messages are
automatically generated by the relay SER (sequential events recorder) that
send the new status of selected Relay Word bits and the timestamp associated
with the change of state. If you enable Fast SER, you can collect the station
SER information from an SEL-2032 port using SEL protocol and the SEL PC
driver software or from DNP3 messages from the SEL-2032.
The supported commands that are listed describe what data you can collect
from the relay using “20” messages rather than writing individual data
collection messages and configuring the SEL-2032 to parse the data. For
example, you can collect instantaneous metering data by setting the SEL-2032
to send a 20METER message in the automatic messaging settings (SET A).
When you enter 20METER as the outgoing message, you will not be
prompted for any further configuration because the SEL-2032 has already
collected the necessary information to send the message and parse the results
during the auto-configuration process.
Sequential Events
Recorder (SER)
Data
The SEL-2032 is capable of collecting Sequential Events Recorder (SER) data
from SEL relays, generating SER data based on its 16 digital inputs, and
automatically forwarding all SER data to another SEL-2032 or other
programmable data gathering device. SER data collection from connected
devices requires that REC_SER=Y and a TARGET data region is set up on
each port that will receive the data. All SER data is collected and transmitted
with the SEL Fast Message protocol.
If you have a Master device, capable of capturing and translating data, you
must follow these steps to perform SER data collection:
NOTE:
SER data are also available to
other processes within the SEL-2032.
When a port is enabled to receive SER
information from the relay, the
SEL-2032 uses Data region 8 (D8) as
the SER region (see
).
Step 1. Use
SET P
n
to auto-configure all relay ports.
Step 2. After auto-configuration, use the
AUTO
n
command to
determine the capability of the connected relay.
Not all SEL relays support the Fast Message protocol for
collecting SER data. If the relay supports the Fast Message
protocol, you should see the line
SER Support: Binary
Unsolicited
in the
AUTO
command response. If this line is not
present, then the REC_SER setting has no affect and the
SEL-2032 cannot perform automatic SER collection from the
relay.
You may wish to connect one or more relay digital outputs to
the digital inputs of the SEL-2032 and monitor the SEL-2032
input elements as SER data.
Step 3. Use
SET A
n
to enable gathering of SER data and set up a
TARGET data region on all ports
n
. For each port
n
, set
REC_SER = Y and add a “20TARGET” auto-message with any
real or “dummy” trigger. If you do not actually want to collect
TARGET data, you may use a dummy trigger for the auto-
message as shown below.
Содержание SEL-2032
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