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Section 3
Basic Knowledge of Operation
Communication Data Format
This section explains the format of communication between the reader and upper equipment.
Upper equipment
Inputting a reading trigger using an RS-232C command
The reading trigger command format is as shown below.
Inputting a setting command
The reading condition setting command can be transmitted from the upper equipment.
The format is as follows.
For details about the commands, refer to Section 4.
p.56
Data output format to indicate a successful read
When code reading succeeds, the following data is transmitted to the upper equipment.
Header
Output item
Header
Number of
digits
Footer
Setting method p.82, p.83
V400-R1CF/R1CS
50
User's Manual
Input command
Reading data output
Number
of digits
A character string to be added to the head of transmission characters.
Up to four characters can be set.
The number of digits of the read data is output in ASCII code.
Whether or not to output the number of digits can be selected from the
following choices.
• "Bar code: 2 digits, 2D code: 6 digits"
• "Bar code and 2D code: 6 digits"
• None
A character string to be added to the end of the transmission data.
Up to four characters can be set.
Multi-code reader
V400-R1CF/R1CS
or
Command
Data of the read code
Description
Footer
Factory default
setting
None
None
CR (0DH)
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