GS1 DataBar Type Overview*
GS1 DataBar Expanded
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Encodes EAN.UCC item identification
plus supplementary AI element strings.
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The encodable character is a subset of
ISO 646, consisting of upper and lower
case letters, digits and 20 selected punc-
tuation characters, plus the special func-
tion character FNC1, (#).
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The maximum numeric data capacity is
74 numeric or 41 alphanumeric.
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Error detection is mod 211 checksum.
*Additional data can be encoded in a two-dimensional composite as per specification
(see AIM Spec ITS/99-001 for more details).
Syntax for GS1 DataBar:
(spaces added for readability)
a W1 k c d eee ffff gggg h i j m n...n | p...p
Field Valid Inputs Meaning
a 1, 2, 3, and 4 Rotation
W1 W1 Fixed value, extended barcode set
k k Selects GS1 barcode
c 1 to 9, A to Z, and a to z Wide bar ratio, default = 2
d 1 to 9, A to Z, and a to z Narrow bar ratio, default = 2
eee 000 No Effect
ffff 0000 to 9999 Label position, row
gggg 0000 to 9999 Label position, column
h R, T, S, D, L
GS1 Type:
R = GS1 DataBar Linear,
T = GS1 DataBar Truncated,
S = GS1 DataBar Stacked,
D = GS1 DataBar Stacked Omni-Directional,
L = GS1 DataBar Limited
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DPLCommand Reference
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