Kramer Electronics PL-18 - Manual (Page 14)

Protocol 3000 Syntax
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9.3 Device Message Format
Start Address (optional) Body delimiter
~ Sender_id@ Message CR LF
9.3.1 Device Long Response
Echoing command:
Start Address (optional) Body Delimiter
~ Sender_id@ Command SP [Param1 ,Param2 …] result CR LF
CR = Carriage return (ASCII 13 = 0x0D)
LF = Line feed (ASCII 10 = 0x0A)
SP = Space (ASCII 32 = 0x20)
9.4 COMMAND TERMS
Command
A sequence of ASCII letters ('A'-'Z', 'a'-'z' and '-').
Command and parameters must be separated by at least one space.
Parameters
A sequence of alphameric ASCII characters ('0'-'9','A'-'Z','a'-'z' and some
special characters for specific commands). Parameters are separated by
commas.
Message string
Every command entered as part of a message string begins with a message
starting character and ends with a message closing character.
Note: A string can contain more than one command. Commands are
separated by a pipe ( '|' ) character.
Message starting character
'#' – For host command/query
'~' – For machine response
Device address (Optional, for K-NET)
K-NET Device ID followed by '@'
Query sign
'?' follows some commands to define a query request.
All outputs sign
'*' defines all outputs.
Message closing character
CR – For host messages; carriage return (ASCII 13)