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Code128 Barcode

Code128 barcode is currently one of the most widely used barcode. The reason is that this barcode can support the full ASCII character set, is flexible and can support very dense (number of characters per inch) barcode. Under the industry specifications, this barcode supports three different variations : Code 128 A, Code 128 B and Code 128 C. Each of the variations is targeted for specific purposes and switching between the different variations is possible with additional control characters. With the switching, the specifications also cater to an Auto mode to help users create the barcode easily. The Auto mode allows the barcode software to auto detect the data, determine the most optimized variation and, if required, switch between the variations automatically. It is recommended to use the Barcode Generator, the Excel Add in or other tools provided by Aeromium for the Auto mode.

Generating this barcode using the Barcode Generator

The easiest way to create this barcode is to use the Barcode Generator included in the installation package. Simply goto the Start Menu and launch Aeromium Barcode Fonts > Barcode Generator. This software automates and simplifies the creation of the barcodes for you. After the barcode is created, you can simply copy and paste the barcode into your documents.

Generating this barcode using the Barcode Generator

Generating this barcode in Excel

Code 128 Barcode Fonts

The following is the list of fonts with varying heights supported by Aeromium. All the different variations of this barcode use the same set of fonts below.

FontCode128H1.ttf
FontCode128H2.ttf
FontCode128H3.ttf (Default Font)
FontCode128H4.ttf
FontCode128H5.ttf
FontCode128H6.ttf

Using this Barcode Manually

Code 128 A

The following table lists the characters supported by the Code 128 A barcode. The first column represents your data characters to be encoded by the barcode. The second column represents the barcode font characters to use. The Barcode Generator and Excel Macros will automatically help translate the data to the barcode font character and compute the check character. The characters for mode (variation) switching are also included in the table below. It is recommended to use the Barcode Generator, the Excel Add in or other tools provided by Aeromium for the Auto mode. This is to prevent human errors when creating the barcodes.

Data to be Encoded Font Character to use Values used for calculating Check Character
' '' ' (Space)0
'!''!'1
'"''"'2
'#''#'3
'$''$'4
'%''%'5
'&''&'6
''''''7
'(''('8
')'')'9
'*''*'10
'+''+'11
','','12
'-''-'13
'.''.'14
'/''/'15
'0''0'16
'1''1'17
'2''2'18
'3''3'19
'4''4'20
'5''5'21
'6''6'22
'7''7'23
'8''8'24
'9''9'25
':'':'26
';'';'27
'<''<'28
'=''='29
'>''>'30
'?''?'31
'@''@'32
'A''A'33
'B''B'34
'C''C'35
'D''D'36
'E''E'37
'F''F'38
'G''G'39
'H''H'40
'I''I'41
'J''J'42
'K''K'43
'L''L'44
'M''M'45
'N''N'46
'O''O'47
'P''P'48
'Q''Q'49
'R''R'50
'S''S'51
'T''T'52
'U''U'53
'V''V'54
'W''W'55
'X''X'56
'Y''Y'57
'Z''Z'58
'[''['59
'\''\'60
']'']'61
'^''^'62
'_''_'63
NUL'`'64
SOH'a'65
STX'b'66
ETX'c'67
EOT'd'68
ENQ'e'69
ACK'f'70
BEL'g'71
BS'h'72
HT'i'73
LF'j'74
VT'k'75
FF'l'76
CR'm'77
SO'n'78
SI'o'79
DLE'p'80
DC1'q'81
DC2'r'82
DC3's'83
DC4't'84
NAK'u'85
SYN'v'86
ETB'w'87
CAN'x'88
EM'y'89
SUB'z'90
ESC'{'91
FS'|'92
GS'}'93
RS'~'94
USASCII 17695
FNC3ASCII 17796
FNC2ASCII 17897
ShiftASCII 17998
Code CASCII 18099
Code BASCII 181100
FNC4ASCII 182101
FNC1ASCII 183102
Start AASCII 184103
Start BASCII 185104
Start CASCII 186105
StopASCII 187106


Code 128 B

The following table lists the characters supported by the Code 128 B barcode. The first column represents your data characters to be encoded by the barcode. The second column represents the barcode font characters to use.

Data to be Encoded Font Character to use Values used for calculating Check Character
' '' ' (Space)0
'!''!'1
'"''"'2
'#''#'3
'$''$'4
'%''%'5
'&''&'6
''''''7
'(''('8
')'')'9
'*''*'10
'+''+'11
','','12
'-''-'13
'.''.'14
'/''/'15
'0''0'16
'1''1'17
'2''2'18
'3''3'19
'4''4'20
'5''5'21
'6''6'22
'7''7'23
'8''8'24
'9''9'25
':'':'26
';'';'27
'<''<'28
'=''='29
'>''>'30
'?''?'31
'@''@'32
'A''A'33
'B''B'34
'C''C'35
'D''D'36
'E''E'37
'F''F'38
'G''G'39
'H''H'40
'I''I'41
'J''J'42
'K''K'43
'L''L'44
'M''M'45
'N''N'46
'O''O'47
'P''P'48
'Q''Q'49
'R''R'50
'S''S'51
'T''T'52
'U''U'53
'V''V'54
'W''W'55
'X''X'56
'Y''Y'57
'Z''Z'58
'[''['59
'\''\'60
']'']'61
'^''^'62
'_''_'63
'`''`'64
'a''a'65
'b''b'66
'c''c'67
'd''d'68
'e''e'69
'f''f'70
'g''g'71
'h''h'72
'i''i'73
'j''j'74
'k''k'75
'l''l'76
'm''m'77
'n''n'78
'o''o'79
'p''p'80
'q''q'81
'r''r'82
's''s'83
't''t'84
'u''u'85
'v''v'86
'w''w'87
'x''x'88
'y''y'89
'z''z'90
'{''{'91
'|''|'92
'}''}'93
'~''~'94
DELASCII 17695
FNC3ASCII 17796
FNC2ASCII 17897
ShiftASCII 17998
Code CASCII 18099
FNC4ASCII 181100
Code AASCII 182101
FNC1ASCII 183102
Start AASCII 184103
Start BASCII 185104
Start CASCII 186105
StopASCII 187106


Code 128 C

The following table lists the characters supported by the Code 128 C barcode. The first column represents your data characters to be encoded by the barcode. The second column represents the barcode font characters to use.

Data to be Encoded Font Character to use Values used for calculating Check Character
00' ' (Space)0
01'!'1
02'"'2
03'#'3
04'$'4
05'%'5
06'&'6
07'''7
08'('8
09')'9
10'*'10
11'+'11
12','12
13'-'13
14'.'14
15'/'15
16'0'16
17'1'17
18'2'18
19'3'19
20'4'20
21'5'21
22'6'22
23'7'23
24'8'24
25'9'25
26':'26
27';'27
28'<'28
29'='29
30'>'30
31'?'31
32'@'32
33'A'33
34'B'34
35'C'35
36'D'36
37'E'37
38'F'38
39'G'39
40'H'40
41'I'41
42'J'42
43'K'43
44'L'44
45'M'45
46'N'46
47'O'47
48'P'48
49'Q'49
50'R'50
51'S'51
52'T'52
53'U'53
54'V'54
55'W'55
56'X'56
57'Y'57
58'Z'58
59'['59
60'\'60
61']'61
62'^'62
63'_'63
64'`'64
65'a'65
66'b'66
67'c'67
68'd'68
69'e'69
70'f'70
71'g'71
72'h'72
73'i'73
74'j'74
75'k'75
76'l'76
77'm'77
78'n'78
79'o'79
80'p'80
81'q'81
82'r'82
83's'83
84't'84
85'u'85
86'v'86
87'w'87
88'x'88
89'y'89
90'z'90
91'{'91
92'|'92
93'}'93
94'~'94
95ASCII 17695
96ASCII 17796
97ASCII 17897
98ASCII 17998
99ASCII 18099
Code BASCII 181100
Code AASCII 182101
FNC1ASCII 183102
Start AASCII 184103
Start BASCII 185104
Start CASCII 186105
StopASCII 187106

Examples

Code 128A

To encode the data "TESTIT" without the check digit manually, simply key in "[ASCII 184]TESTITm[ASCII 187]" and select the FontCode128H3.ttf font. The output is as follows :



The "m" is the check character and its computation is illustrated in the next section below. [ASCII 184] is the start character of Code 128 A while [ASCII 187] is the stop character of Code 128 A.

Code 128B

To encode the data "testit" without the check digit manually, simply key in "[ASCII 185]testit=[ASCII 187]" and select the FontCode128H3.ttf font. The output is as follows :



The "=" is the check character and it's computation is illustrated in the next section below. [ASCII 185] is the start character of Code 128 B while [ASCII 187] is the stop character of Code 128 B.

Code 128C

To encode the data "12345678" without the check digit manually, simply key in "[ASCII 186],BXnO[ASCII 186]" and select the FontCode128H3.ttf font. The output is as follows :



"," represents "12"
"B" represents "34"
"X" represents "56"
"n" represents "78"

The "O" is the check character and it's computation is illustrated in the next section below. [ASCII 186] is the start character of Code 128 C while [ASCII 187] is the stop character of Code 128 C.

How to compute the check digit

Code 128A

Data - TESTIT

Data to be EncodedTESTIT
Multiply each of the character (the Code 128 value) with an increasing weight.
Check Character Values523751524152
Weight*1*2*3*4*5*6
Sum :(52*1) + (37*2) + (51*3) + (52*4) + (41*5) + (52*6) = 1004
For Code 128A barcode, add 103 to the sum above
Total1004 + 103 = 1107
Check Character (Modulo 103) :1107 % 103 = 77 (which is represented by the character 'm')

Code 128B

Data - testit

Data to be EncodedTESTIT
Multiply each of the character (the Code 128 value) with an increasing weight.
Check Character Values846983847384
Weight*1*2*3*4*5*6
Sum :(84*1) + (69*2) + (83*3) + (84*4) + (73*5) + (84*6) = 1676
For Code 128B barcode, add 104 to the sum above
Total1676 + 104 = 1780
Check Character (Modulo 103) :1780 % 103 = 29 (which is represented by the character '=')

Code 128C

Data - 12345678

Data to be Encoded12345678
Multiply each of the character (the Code 128 value) with an increasing weight.
Check Character Values12345678
Weight*1*2*3*4
Sum :(12*1) + (34*2) + (56*3) + (78*4) = 560
For Code 128C barcode, add 105 to the sum above
Total560 + 105 = 665
Check Character (Modulo 103) :665 % 103 = 47 (which is represented by the character 'O')


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