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Decoder Functions
Symbologies
Operating Modes
The decoder acquires and decodes bar code data from one or two scanners.
The decoder can then:
send the decoded data to a host device (computer, PLC or SLC), ASCII
terminal, or LCD display
apply Host Replacement Rules to incoming data, and send the result to a
host device
compare the decoded data to data stored in the Primary or Extended
match table and use the results to operate up to eight discrete outputs.
The decoder also maintains counters for package count, no-reads, and
discrete output operations.
The decoders support the following bar code symbologies:
Code 39
UPC-A and UPC-E including optional 2 or 5 digit supplements
EAN-8 and EAN-13 including optional 2 or 5 digit supplements
Code 128
Codabar
Interleaved 2-of- 5
PharmaCode (Available in DS1P, DS4P, DD1P, or DD4P decoders)
Other symbologies in future product releases.
When configuring the decoder, you can select from several operating modes.
This section gives an overview of the different modes of operation.
Scanning Modes
The Dual-Head Decoder supports two scanning modes:
Coordinated Mode
Scanner A and Scanner B are coordinated, using the same trigger source
and set of configuration parameters.
Independent Mode
Scanner A and Scanner B operate independently, each using a separate
trigger source and set of configuration parameters.
Some parameters, such as Capture Count, Symbols per Scan, and Symbols per
Package are shared in independent mode.
Product Data
Bulletin 2755
Single/Dual-Head Enhanced Bar Code Decoders
7
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