Extron electronics VN-Matrix 250 Series, Руководство пользователя

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SIS Commands
This section provides the following information about the SIS commands that can be used
to configure the VND 250 and VNE 250:
•
Introduction to SIS
•
Symbols used in this Guide
•
Error Messages
•
Command and Response Table for SIS Commands
Introduction to SIS
Both the VND 250 and VNE 250 accept SIS commands from a host device such as a
computer running the Extron DataViewer utility or other control system. The control device
must be connected to the front panel USB Config port.
Host-to-Device Communications
SIS commands consist of strings (one or more characters per command field). No special
characters are required to begin or end a command sequence. Unless otherwise stated,
upper and lower case characters can be used interchangeably. Most responses from the
VNM 250 device end with a carriage return and a line feed (CR/LF =
]
), which signals
the end of the response character string. When the VNM 250 device determines that a
command is valid, it executes the command and sends a response to the host device.
Symbols Used in this Guide
During programming in the field, certain characters are most conveniently represented by
their hexadecimal rather than their ASCII values. The table below shows the hexadecimal
equivalent of each ASCII character:
ASCII to HEX Conversion Table
Space
.
Figure 95. ASCII to HEX Conversion Table
VNM 250 • SIS Commands 126 126