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Protocol 3000 Syntax

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)

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Kramer-electronics PL-18 Bedienungsanleitung Seite 14