Codablock F

Terry Burton edited this page Aug 22, 2016 · 10 revisions

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Codablock F

The Codablock F barcode symbology is 2D stacked-linear barcode that consists of a number of stacked Code 128 symbols. It can encode full 256 character extended-ASCII.


  • HIBC Codablock F is a variant of Codablock F that should be used when encoding HIBC formatted data.

Standards: USS Codablock F.

Data and Options

  • The data field can consist of any extended-ASCII data.
  • FNC4 function characters will be inserted automatically to allow the encoding of extended ASCII characters.
  • When the parse option is specified, any instances of ^NNN in the data field are replaced with their equivalent ASCII value, useful for specifying unprintable characters.
  • When the parsefnc option is specified, non-data function characters can be specified by ^FNC1 or ^FNC3.
  • The columns option specifies the number of columns in the symbol, default 8.
  • The rows option specifies the number of rows in the symbol, between 2 and 44.
  • If rows is unspecified the encoder will default to the smallest number of rows that can hold the given data.
  • The raw option denotes that the data field is providing the input as a pre-encoded codewords in ^NNN format, suitable for direct low-level encoding.
  • The rowheight option specifies the height of the bars in each row in points. The default is 10.
  • The sepheight option specifies the height of the separator bars enclosing the rows in points. The default is 1.


Data:    Codablock F
Encoder: codablockf

Data:    CODABLOCK F 34567890123456789010040digit
Options: columns=8 rows=5
Encoder: codablockf

Data:    Short bars, fat seperators
Options: columns=10 rows=8 rowheight=6 sepheight=2
Encoder: codablockf