Code 93 Barcodes
Programmer Reference Guide U26169-J-Z716-1-7600
© Siemens Nixdorf Informationssysteme AG 1995 Pfad: D:\SNI\Mackwitz\u26169\o26169e\26169E.K06

EAN-8 and EAN-13 Add-on

The EAN-8 and EAN-13 codes with a two or five-digit add-on are printed automatically i f
two or five additional digits are programmed in the application.
The check digit calculation ignores the add-on digits.
Example of check digit calculation modulo 10 with a weighting of 3:
Code 93
The character complement of the Code 93 code comprises:
10 digits: 0 1 2 3 4 5 6 7 8 9
26 letters: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
7 special characters: Space $ % + - . /
4 control characters: (X’67 in ISO 7-bit or X’87 in EBCDIC)
(X’68 in ISO 7-bit or X’88 in EBCDIC)
(X’69 in ISO 7-bit or X’89 in EBCDIC)
(X’6A in ISO 7-bit or X’91 in EBCDIC)
1 start character: (X’61 in ISO 7-bit or X’81 in EBCDIC)
1 stop character: (X’65 in ISO 7-bit or X’85 in EBCDIC)
The number of characters is variable. The start/stop characters are programmed with the
characters, e.g. a/e.
Plain text :412345 67 89 018
Check digit : 8
Information digit sequence : 4 1 2 3 4 5 6 7 8 9 0 1
Weighting factors :131313 13 13 13
Products :432941562182703
Sum of products : 4+3+2+9+4+15+6+21+8+27+0+3=102
Modulo 10 : 102 mod 10 = 2 (102/10 = remndr. 2)
Difference from 10 is check digit : 10-2=8
Check digit : 8
$
%