Codabar

Codabar

Codabar is a linear, discrete, self-checking, bidirectional barcode symbology that can encode digits, six symbols and four delimiter characters.

Also known as: Rationalized Codabar, Ames Code, NW-7, USD-4, USS-Codabar, ABC Codabar, Monarch, Code 2 of 7.

Uses:

• Library books and library cards.

Standards: ANSI/AIM BC3 - USS Codabar, BS EN 798.

Data and Options

• The data field must start and stop with one of the following delimiters
  • ABCD
  • TNE* (with the altstartstop option)
• The data field can otherwise hold any of the following
  • Digits 0-9
  • Symbols -$:/.+
• The altstartstop option specifies that the alternative set of delimiter characters is in use.
• The includecheck option calculates the check character.
• The validatecheck option takes the last character before the stop delimiter to be the check character and refuses the data if it is wrong.
• The includecheckintext option makes the calculated check character appear in the human readable text.

Examples

A symbol with a check digit:

Data:    A0123456789B
Options: includecheck includetext includecheckintext
Encoder: rationalizedCodabar

A symbol with alternative start/stop delimiters:

Data:    T0123456789N
Options: altstartstop includetext
Encoder: rationalizedCodabar