Code 93 |
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Example of check digit calculation: |
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Plain text | : C | + | O | + | D | + | E | SP | 9 | 3 | W I | |
Check character |
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Check digit C | : W (weighting of 1, 2, ... 10, 1, 2, ... from right to left) | |||||||||||
Check digit K | : I (weighting of 1, 2, ... 15, 1, 2, ... from right to left) | |||||||||||
Information char seq. | : C | + | O | + | D | + | E | SP | 9 | 3 |
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Reference values | : | 12 | 41 | 24 | 41 | 13 | 41 | 14 | 38 | 9 | 3 |
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Weighting factors |
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for check digit C | : | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
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Weighting factors |
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for check digit K | : | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
Sum of products |
| (12*10) + (41*9) + (24*8) + (41*7) + (13*6) + (41*5) | ||||||||||
for check digit C | : + (14*4) + (38*3) + (9*2) + (3*1) = 1442 |
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Modulo 47 | : | 1442 mod 47 = 32 (1442/47 = 30, remainder 32) |
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Check digit C | : | W (W corresponds to the reference number 32) |
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Sum of products | : | (12*11) + (41*10) + (24*9) + (41*8) + (13*7) + (41*6) | ||||||||||
for check digit K |
| + (14*5) + (38*4) + (9*3) + (3*2) + (32*1) = 1710 |
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Modulo 47 | : | 1710 mod 47 = 18 (1770/47 = 36, remainder 18) |
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Check digit K | : | I (I corresponds to the reference number 18) |
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The following characters are provided for coding the start and stop characters:
–Start character: a, b, c, d or s (hexadecimal: 61, 62, 63, 64 or 73)
–Stop character: e or f (hexadecimal: 65 or 66)
Programmer Reference Guide |
