beautypg.com

3 sending the reading data, Data format, Sending the reading data -9 – KEYENCE BL-N90 Series User Manual

Page 49: Data format -9, Sending the reading data, Details of the format data

background image

3-9

3

D

e

scr
ipt

ions of

K

e

y Funct

ions

3-3

Sending the Reading Data

Read barcode data is sent to the computer connected to the communication unit with the
following information added to the data: header, symbol identifier, and terminator.
If the barcode cannot be read correctly, the data is not sent.

Data Format

* Special characters are not needed to divide the data into segments 1 to 4.

‹

Factory default values

Header

: None

Symbol identifier : Not added

Terminator

: [CR]

These settings can be changed (

page 4-21).

z

Details of the format data

1 Header

A character can be added to indicate the start of data.

This parameter can be set to None, [STX], or [TAB] (HT).

2 Symbol identifier

A symbol identifier can be added to the barcode.

Code type

Data specifications

Symbol
identifier

CODE39

No check digit

]A0

Inspect check digit (Sent)

]A1

Inspect check digit (Not sent)

]A3

ITF

No check digit

]I0

Inspect check digit (Sent)

]I1

Inspect check digit (Not sent)

]I2

Codabar (NW-7)

]F1

Header

Symbol identifier

Read data

Terminator

1

2

4

3