Code 93 | Barcodes |
EAN-8 and EAN-13 Add-on
The
The check digit calculation ignores the
Example of check digit calculation modulo 10 with a weighting of 3:
Plain text | : | 4 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | 1 | 8 |
Check digit | : | 8 |
|
|
|
|
|
|
|
|
|
|
|
|
Information digit sequence | : | 4 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 0 | 1 |
|
Weighting factors | : | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 | 1 | 3 |
|
Products | : | 4 | 3 | 2 | 9 | 4 | 15 | 6 | 21 | 8 | 27 | 0 | 3 |
|
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 | : |
|
|
|
|
|
|
|
|
|
| |||
Check digit | : | 8 |
|
|
|
|
|
|
|
|
|
|
|
|
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
–1 start character:
–1 stop character:
(X’61 in ISO
(X’65 in ISO
The number of characters is variable. The start/stop characters are programmed with the characters, e.g. a/e.
Programmer Reference Guide |