Kramer Electronics VP-81SIDN user manual Command Terms

13.1.3Command 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 alphanumeric 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 device response

Device address (Optional, for K-NET) K-NET Device ID followed by '@'

Query sign

'?' follows some commands to define a query request.

Message closing character

CR – For host messages; carriage return (ASCII 13)

CRLF – For device messages; carriage return (ASCII 13) + line-feed (ASCII 10)

Command chain separator character

When a message string contains more than one command, a pipe ( '' ) character separates each command.

Spaces between parameters or command terms are ignored.

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