Denso QK30-U, User Manual

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35
9.3 Communication Format
 Data transmission format
Select one of the following two data transmission formats.
No. of digits
Header
Scanner
ID
Code ID
mark
Prefix
n1 n2 n3 n4
Code data Suffix Terminator BCC
No. of digits
Header
Scanner
ID
Prefix
Code ID
Code data Suffix Terminator BCC
mark
n1 n2 n3 n4
(1) Header/Terminator
The following choices are available.
USB-COM interface
Header:
None (default), STX, or user-defined one
Terminator: CR (default), none, LF, CR/LF, ETX, or user-defined one
USB keyboard interface
Header:
None (default), TAB, ESC, ENTER or others
Terminator: None, TAB, ESC, ENTER (default) or others
For details, refer to Chapter 10.
A scanner ID is a unique serial number
A s of up to eight ASCII characters (00h to FFh). You can set a prefix or suffix with the
configuration software (ScannerSetting_2D). (Default: No prefix or suffix)
(4
The Block Character Check (BCC) exclusiv e bit level
p ator in a onta ry code.
The BCC can be enabled or disabled. If no header is prefixed or the US CC will
be tr
(2) Scanner ID
assigned to an individual scanner at the time of shipment. It consists of six
numerals.
(3) Prefix/Suffix
prefix or suffix consist
) BCC
e-ORs all bits at the sam
transmission block to generate a horiz
in characters following the header and
l parity byte to be transferred in a bina receding the termin
B keyboard interface is selected, no B
ansferred.