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SIS Commands
This section provides information on:
•
•
•
Connecting a Control Computer
Connect a control PC to the front panel config port using a USB cable (see
Features" on page 3). Use a communication utility, such as Extron DataViewer, to send SIS
commands and view the responses.
Simple Instruction Set (SIS) Control
Host-to-Device Communications
SIS commands consist of one or more characters per field. No special characters are
required to begin or end a command sequence. When a command is valid, the interface
executes the command and sends a response to the host device. All responses from the
interface to the host end with a carriage return and a line feed (CR/LF =
the end of the response character string. A string is one or more characters.
Error Responses
When the interface receives a valid SIS command, it executes the command and sends a
response to the host device. If the interface is unable to execute the command because the
command is invalid or it contains invalid parameters, it returns an error response to the host.
The error response codes and their descriptions are as follows:
E10 – Invalid command
E13 – Invalid parameter
Timeout
Pauses of 10 seconds or longer between command ASCII characters result in a timeout.
The command operation is aborted with no other indication.
Using the Command and Response Table
The
and response examples are shown throughout the table. Symbols are used throughout the
table to represent variables in the command and response fields. Use the ASCII to HEX
conversion table on the next page with the command and response table.
Connecting a Control Computer
Simple Instruction Set (SIS) Control
Command and Response Table for SIS Commands
"Command and Response Table for SIS
"Front Panel
]
), which signals
Commands" is on page 12. Command
HAI 100 4K • SIS Commands
9
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