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Using the Command and Response Table
The PC1 can be controlled via either a Telnet (port 23) connection or a web browser
(port 80) connection. The ASCII commands listed in the tables perform the same functions,
but they are encoded differently to accommodate the requirements of each port (Telnet or
web browser). The ASCII to hexadecimal (HEX) conversion table below is for use with the
command and response tables.
Space
Figure 42.
The command and response table lists valid ASCII (for Telnet) command codes, the
corresponding URL (universal resource locator) encoded (for web browsers) command
codes, the interface responses to the host, and a description of the command function or
the results of executing the command.
•
•
•
•
ASCII to Hex Conversion Table
ASCII to Hex Conversion Table
Upper- and lowercase characters can be used interchangeably in the command field
unless otherwise specified.
Commands may be sent back-to-back without spaces (for example,
Numbers can be entered as 1, 2, or 3 digits (for example,
There are a few differences in how to enter the commands, depending on whether you
are using Telnet or a web browser.
When using these commands through a web browser, you can use the URL
•
reference to shorten the examples. "URL" refers to the full address of the
control interface and web page reference, including all path information (that is,
http://192.168.100.10/myform.htm
•
To send any of the commands using a web browser you must prefix them with the
full URL followed by
?cmd=
•
For control via a web browser, all non-alphanumeric characters must be
represented as the hexadecimal equivalent,
character hex byte. For example, a comma (,) would be represented as
Characters such as %, +, and the space character must be encoded as hex bytes,
or they will be misinterpreted by the interface.
•
Some characters differ depending on the method you use to send the commands:
Telnet
Escape (hex
)
1B
Carriage return (hex
0D
NOTES:
With Telnet you can use either an
•
the carriage return or the pipe character. With the web browser, you must
use a
command and the pipe character.
W
•
In either method,
must be hex encoded if non-alphanumeric.
•
).
.
, where
%xx
Web Browser
(must not be hex encoded)
W
)
Pipe character (
) (must not be hex encoded)
|
command or a
Escape
= Data that will be directed to a specified port and
Data
IPL T PC1 • SIS Programming and Control
).
2!65V1Z
=
=
).
8V
08V
008V
represents the two-
xx
.
%2C
command, and
W
49
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