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Commands, Programming conventions – Avery Dennison 9400 Series Programmer Manual User Manual

Page 21

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Commands

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

Command Characters

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.

Command

Character

Hex

Value

Description

{

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

M

essag

e S

tru
ct

u

res

4. Message Structures

4-5

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