E.2
SEL-387-0, -5, -6 Relay
Instruction Manual
Date Code 20050919
Compressed ASCII Commands
CASCII Command—General Format
CASCII Command—General Format
The Compressed ASCII configuration message provides data for an external
computer to extract data from other Compressed ASCII commands. To obtain
the configuration message for the Compressed ASCII commands available in
an SEL relay, type:
CAS <Enter>
The relay sends:
<STX> "CAS",n,"yyyy" <CR>
"COMMAND 1",l1,"yyyy" <CR>
"#H","xxxxx","xxxxx",......,"xxxxx","yyyy" <CR>
"#D","ddd","ddd","ddd","ddd",......,"ddd","yyyy" <CR>
"COMMAND 2",l1,"yyyy" <CR>
"#h","ddd","ddd",......,"ddd","yyyy" <CR>
"#D","ddd","ddd","ddd","ddd",......,"ddd","yyyy" <CR>
•
•
•
"COMMAND n",l1,"yyyy" <CR>
"#H","xxxxx","xxxxx",......,"xxxxx","yyyy" <CR>
"#D","ddd","ddd","ddd","ddd",......,"ddd","yyyy" <CR><ETX>
A Compressed ASCII command may require multiple header and data
configuration lines.
where:
n
= the number of Compressed ASCII command descriptions
to follow.
COMMAND
= the ASCII name for the Compressed ASCII command as
sent by the requesting device. The naming convention for
the Compressed ASCII commands is a ‘C’ preceding the
typical command. For example,
CSTATUS
(abbreviated
to
CST
) is the compressed
STATUS
command.
l1
= the minimum access level (e.g., 1, or B, or 2) at which the
command is available.
#H
identifies a header line to precede one or more data lines;
‘#’ is the number of subsequent ASCII names. For
example, “21H” identifies a header line with 21 ASCII
labels.
#h
identifies a header line to precede one or more data lines;
‘#’ is the number of subsequent format fields. For
example, “8h” identifies a header line with 8 format
fields.
xxxxx
= an ASCII name for corresponding data on following data
lines. Maximum ASCII name width is 10 characters.
#D
identifies a data format line; ‘#’ is the maximum number
of subsequent data lines.
ddd
identifies a format field containing one of the following
type designators: I Integer data F Floating point data mS
String of maximum m characters (e.g., 10S for a
10-character string)
yyyy
= the 4-byte ASCII representation of the hex checksum for
the line.
Содержание SEL-387-0
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