7.27
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Settings
User-Defined (SET U) Commands
that you configure the Fast Message client to periodically issue Enable
Unsolicited SER requests to an IED to restart the reporting of unsolicited SER
in case of loss of communications to the IED.
Transparent Connections
Before making a transparent connection, the SEL-2032 checks the NOCONN
bit on the Slave port. If the bit is asserted, the attempted transparent
connection is immediately aborted. In addition, the NOCONN bit blocks
transparent connections on every mechanism:
PORT
command, user-defined
transparent connect string (TRANS in
SET U
), and Distributed Port Switch
Protocol (LMD). If the PORT command is attempted, the following error
message is displayed:
Unable to connect, Port x blocked by NOCONN bit.
Virtual Terminal Connections
The SEL-2032 shall check the NOCONN bit before allowing any Virtual
Terminal connection.
When the VT connection is initiated by a SEL-2032 user via the
PORT
command, the SEL-2032 shall function exactly as described above for
transparent connections.
When the protocol card initiates a VT connection, the SEL-2032 shall reject
the connection as long as the NOCONN bit is asserted.
User-Defined (SET U) Commands
Use the
SET U
command to:
➤
Create user-defined commands that the SEL-2032 recognizes
and obeys.
➤
Enable handling of a recognized, but unsolicited, SEL relay
auto-message.
➤
Control the SEL-2032 command set.
User-defined commands allow the SEL-2032 to recognize unsolicited inputs.
You can create up to 11 user-defined commands for any Master port, including
8 general-purpose and 3 special-purpose commands. You can create up to 4
general-purpose user-defined commands on SEL IED and other IED ports.
The SEL-2032 has a predefined command set (e.g.,
SHOW
,
VIEW
,
SET
) that
allows you to control, interrogate, and set the SEL-2032 functions from your
computer. If a port is connected to an unattended device (e.g., an RTU or
substation computer), the SEL-2032 predefined command set may be
supplemented or replaced by user-defined commands that are appropriate for
the device and function. They are called user defined because you define the
command string and the action performed by the SEL-2032 when the
command is received by the SEL-2032. These commands are available at all
access levels.
Summary of Contents for SEL-2032
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