Kramer Electronics SV-552ALC - Manual (Page 13)

Communication Protocol 3000
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4 Communication Protocol 3000
= Carriage return (ASCII 13 = 0x0D)
= Line feed (ASCII 10 = 0x0A)
= Space (ASCII 32 = 0x20)
4.1 Host message format
start Address (optional) body delimiter
# Destination_id@ message
4.1.1 Simple command
(Commands string with only one command without addressing):
start body delimiter
# Command SP Parameter_1,Parameter_2,…
Device message format:
start Address (optional) body delimiter
~ Sender_id@ message
4.1.2 Device long response (Echoing command)
start Address (optional) body delimiter
~ Sender_id@ command SP [param1 ,param2 …]result
4.2 Command parts details
Command:
Sequence of ASCII letters ('A'-'Z', 'a'-'z' and '-').
Command will be separated from parameters with at least single space.
Parameters:
Sequence of Alfa-Numeric ASCII chars ('0'-'9','A'-'Z','a'-'z' and some special chars for specific
commands), parameters will be separated by commas.
Message string:
Every command must be entered as part of a message string that begins with message starting
char and ends with message closing char. Note that string can contain more than one command
separated by pipe ("|") char.
Message starting char:
'#' for host command\query.
'~' for machine response.
Device address:
K_Net Device ID followed by '@' char.
Query sign = '?', will follow after some commands to define query request.
Message closing char =
Host messages - Carriage Return (ASCII 13), will be referred to by
in this document.
Machine messages - Carriage Return (ASCII 13) + Line-Feed (ASCII 10), will be referred to by
Spaces between parameters or command parts will be ignored.