Date Code 20120126 Instruction Manual SEL-2032 Communications Processor
Section 8
Serial Port
Communications and Commands
Introduction
You can control, monitor, operate, and set the SEL-2032 Communications
Processor with the command set described in this section. You can use this
command set by connecting to the SEL-2032 front port or any rear port set to
the SEL protocol. This section is a reference for using SEL-2032 commands.
For examples of how to accomplish specific tasks with these commands, see
Section 1: Introduction and Specifications, and Section 3: Job Done
Examples. A list summarizing the commands appears on a blue pullout card at
the back of the book.
Command Operation
Command/response protocol refers to the command structure and syntax that
you must use to communicate with the SEL-2032. Access levels determine the
levels at which you can interrogate the SEL-2032. Higher levels of access are
required to set and operate the device.
Command/
Response
Protocol
The built-in SEL-2032 command set operates according to the following
command/response protocol:
➤ All commands accepted by the SEL-2032 must be of the form:
<command><CR> or <command><CR><LF>
➤ The SEL-2032 recognizes both full commands or commands
abbreviated to the first three characters: SHOWSET 1 is
equivalent to SHO 1.
➤ You may use upper- and lowercase characters without
distinction, except in passwords.
➤ Arguments are separated from commands by spaces, commas,
semicolons, colons, or slashes.
NOTE: The ENTER key on most
keyboards is configured to send the
ASCII character 13 (^M) for a carriage
return. This manual instructs you to
press the <Enter> key after commands,
which should send the proper ASCII
code to the SEL-2032.
➤ The SEL-2032 transmits all noninteractive messages shown in
Figure 8.1.
Courtesy of NationalSwitchgear.com
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