xxxix
Date Code 20151029 SEL-411L Relay
Preface
Overview
The instructions in this manual indicate these options with specific font and
formatting attributes. The following table lists these conventions:
Examples
This instruction manual uses several example illustrations and instructions to
explain how to effectively operate the relay. These examples are for
demonstration purposes only; the firmware identification information or
settings values included in these examples may not necessarily match those in
the current version of your relay.
Notes
Margin notes serve two purposes in the manual. Notes present valuable or
important points about relay features or functions. Use these notes as tips to
easier and more efficient operation of the relay.
Commands
You can simplify the task of entering commands by shortening any ASCII
command to the first three characters (upper- or lowercase); for example,
ACCESS becomes ACC.
Always send a carriage return <CR> character, or a carriage return character
followed by a line feed character <CR><LF>, to command the relay to
process the ASCII command. Usually, most terminals and terminal programs
interpret the <Enter> key as a <CR>. For example, to send the ACCESS
command, type the following:
ACC <Enter>
Numbers
This manual displays numbers as decimal values. Hexadecimal numbers
include the letter h appended to the number. Alternatively, the prefix 0X can
also indicate a hexadecimal number. For instance, 11 is the decimal number
eleven, but 11h and 0X11 are hexadecimal representations of the decimal
value seventeen.
Example Description
STATUS Commands, command options, and command variables typed at
a command line interface on a PC.
n
SUM n
Variables determined based on an application (in bold if part of a
command).
<Enter> Single keystroke on a PC keyboard.
<Ctrl+D> Multiple/combination keystroke on a PC keyboard.
Start > Settings PC software dialog boxes and menu selections.
The > character indicates submenus.
CLOSE Relay front-panel pushbuttons.
ENABLE
Relay front- or rear-panel labels.
RELAY RESPONSE
MAIN > METER
Relay front-panel LCD menus and relay responses visible on
the PC screen.
The > character indicates submenus.
SEL
OGIC control
equations
SEL trademarks and registered trademarks contain the appropri-
ate symbol on first reference in a section. In this instruction man-
ual, certain SEL trademarks appear in small caps. These include
SEL
OGIC control equations, MIRRORED BITS communications,
and the
ACSELERATOR QuickSet
software program.
Modbus
Registered trademarks of other companies include the registered
trademark symbol with the first occurrence of the term in a sec-
tion.
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