1.16
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Introduction and Specifications
Functions
Send Messages
Messages sent from the SEL-2032 can be used to request data from other
devices, or to control other devices. Use “20” messages, such as 20METER
and 20TARGET, to request SEL relay data that are recognized by the
SEL-2032 and are automatically parsed upon arrival. Use non-“20” messages
for other data collection and control purposes. On SEL IED ports, you can
also have relay operate commands and other remote control commands sent
automatically.
Receive Messages and Data
The SEL-2032 can receive, buffer, parse, store, and act upon solicited and
unsolicited messages and data.
SEL-2032 Command Set
The SEL-2032 command set consists of predefined messages that you can use
to interact with the SEL-2032. You can send these commands, such as
ACCESS
,
PORT
, and
VIEW
, from an ASCII terminal or PC using any
communication program that supports ASCII terminal emulation. You can
also disable the SEL-2032 command set on a port where you use only user-
defined commands.
IED Auto-Messages
IEDs may send data to the SEL-2032 without it being requested. These
messages can be buffered and activities can be triggered based on specific
messages. SEL relays send auto-messages to report specific activity or
conditions. These include the SEL Event Report Summary issued through the
SEL relay auto port when an event record is stored, the SEL Status Report
issued to report a warning or failure, and the SEL Group Switch Report issued
when a change in group settings occurs on a relay with multiple groups.
User-Defined Commands
You can define commands using the
SET U
command procedure. Receipt of
one of these commands sets a command element that can be used in a
SEL
OGIC
control equation to initiate action defined in an associated message
string. You can set the SEL-2032 to use these commands on IED ports to
watch for unsolicited messages or on Master ports to supplement or replace
the standard SEL-2032 command set. Use the
SET U
command to create
user-defined commands.
SET U
can also be used to instruct the SEL-2032 to
watch for one, or more, of the standard SEL relay auto-messages (see
Modbus Protocol
You can select Ports 12, 14, and 16 of an SEL-2032 as Modbus ports. The
network master (receiver) can access the database of all SEL-2032 ports
through a Modbus port.
DNP3 Protocol
The SEL-2032 supports Distributed Network Protocol 3.0 (DNP3) Level 2
Slave serially on Port 16. DNP3 over Ethernet is supported by the optional
SEL-2701 Ethernet Processor. DNP3 can be used for data acquisition and for
control.
Summary of Contents for SEL-2032
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