1.15
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Introduction and Specifications
Functions
Use SEL
OGIC
control equations to control when the SEL-2032 sends
messages. You can use data from other IEDs, periodic and time of day
functions, commands from protocol masters, and calculated data within the
SEL-2032 as arguments in SEL
OGIC
control equations. When the result of the
SEL
OGIC
control equation transitions from logical 0 to logical 1 (a rising
edge), the SEL-2032 sends the message.
SEL Interleaved Protocols
The SEL-2032 simplifies substation network design and construction by
interleaving several conversations on one cable between the relay and the
SEL-2032. First, the SEL-2032 uses Fast Meter, Fast Operate, and Fast SER
(Fast Message Protocol) for data collection and control. Second, you can use a
transparent connection from one of the SEL-2032 ports for ASCII
communications with the relay for configuration, diagnostics, and report
collection. Third, the SEL-2032 generates an IRIG-B signal on each port for
time synchronization.
Because all three conversations are interleaved, it is often unnecessary to
connect more than one communications cable to the relay to accomplish
engineering connections, data collection, and time synchronization. If you use
an SEL-2810 Fiber-Optic Transceiver, all three conversations occur over a
single fiber pair.
Auto-Configuration
Setting the SEL-2032 communication parameters for a port is simplified
through the auto-configuration process of the SEL-2032. This process
determines the proper data communication rate to communicate with the
connected device. The SEL-2032 also determines the startup string, relay
type, Fast Meter capability, and relay ID for any SEL relay connected to its
port. You should use the
SET P
command to activate and configure each port
that has a connected device.
When you connect the SEL-2032 to an SEL relay, you do not have to
configure the individual messages, parsing, and control activation messages.
The SEL-2032 connects to the relay and collects configuration data through a
process called auto-configuration. When you connect the cable and configure
the port for an SEL device, you will be prompted to start auto-configuration.
Once auto-configuration is complete, you can enable control messages from
the SEL-2032 to the relay, configure the relay to accept control messages, and
trigger them automatically through SEL
OGIC
control equations. Whenever a
remote bit or breaker bit changes state, the SEL-2032 automatically sends a
control message to the relay. You do not have to configure or write the
outgoing message.
“20” Messages
When you connect to an SEL relay and have completed auto-configuration,
you can collect data from the relay using “20” messages. The SEL-2032
automatically creates request messages, parses the incoming data, and labels
the data in the SEL-2032 database. The most frequently used “20” messages
are 20METER and 20TARGET. The 20METER message collects metering
and measurement data, while the 20TARGET message collects binary status
data from inputs, outputs, and relay protection elements.
Summary of Contents for SEL-2032
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