Omron V500-R521B2 User Manual page 121

Section 6
Appendix
Calculation method of modulus 43
1.
Allocate the value indicated in table 1 in each data character in a symbol.
2.
Add all the data character and divide by 43.
3.
The remainder calculated in clause
Table 1: Character value calculated in Modulus 43
Character
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
[E.g.] When message "CODE39" is indicated in CODE39
Numerical conversion 12 + 24 + 13 + 14 + 38 + 3 + 9 = 113
Therefore, data with check character is "CODE39R".
V500-R521B2/C2
124
User's Manual
Value Character
0 F
1 G
2 H
3 I
4 J
5 K
6 L
7 M
8 N
9 O
10 P
11 Q
12 R
13 S
14 T
C O D
↓ ↓ ↓
113 / 43 = 2 Remainder 27 (Character of 27 is R)
R ... Check digit
2
is the check character shown in Table 1.
Value Character Value
15 U
16 V
17 W
18 X
19 Y
20 Z
21 "
22 ,
23 SPACE
24 $
25 /
26 +
27 %
28
29
E 3 9
↓ ↓ ↓ ↓
30
31
32
33
34
35
36
37
38
39
40
41
42