Monarch 9400 Series manual Commands, Programming Conventions, Command Characters

4. Message Structures

Commands

The following characters are used in 9400 series online data streams.

Command Characters

Command	Hex	Description
Character	Value
{	7B	Open brace. Command LEADIN character
,	2C	Comma. Inter-field separator (IFS)
;	3B	Semicolon. Beginning of string character
p	7C	Split vertical bar. Command inter-record
		separator (IRS)
}	7D	Close brace. Command TERMINATOR
		character

Programming Conventions

All online commands from the host computer follow these rules.

∙All data after the TERMINATOR character ( } ) and before the next LEADIN character ( { ) is ignored.

∙The hex values 7B, 7C and 7D are reserved as command delimiters. All data of a value less than 20 hex and greater than 7E hex is ignored.

∙All data strings (batch data, compressed bit-map images or format data) begin with a semi-colon (3BH) and end with a TERMINATOR or inter-record separator (IRS or p (7C hex)).

∙All space characters, except string definitions, are ignored.

∙All strings must be less than 100 characters.

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Message Structures