Communication Format - Denso AT30Q-SM User Manual

9.4 Communication Format

Regarding the data transmission format, select one of the following two data transmission formats.
Scanner
Header
ID
Scanner
Header
ID
The following is the description of each item.
(1) Header/Terminator
The following choices are available.
RS-232C interface, 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
Refer to Chapter 11 for details.
(2) Scanner ID
A scanner ID is a unique serial number assigned to an individual scanner at the time of shipment. It consists of six numerals.
(3) Prefix/Suffix
A prefix or suffix consists 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) BCC
The Block Character Check (BCC) exclusive-ORs all bits at the same bit level in characters following the header and
preceding the terminator in a transmission block to generate a horizontal parity byte to be transferred in a binary code. The
BCC can be enabled or disabled. If no header is prefixed or the USB keyboard interface is selected, no BCC will be
transferred.
No. of Digits
Code
Prefix
Mark
n1 n2
No. of Digits
Code
Prefix
Mark
n1 n2
Code Data
n3 n4
Code Data
n3 n4
44
Suffix Terminator
Suffix Terminator
BCC
BCC