3-4 Connecting to Bar Code Readers
3-4-2 Setting Bar Code Readers
The Bar Code Reader’s communications conditions and other settings can be set from either
the CX-Designer or the PT.
● Setting from the CX-Designer
Use the CX-Designer to set PT settings, such as the conditions for communications with the
Bar Code Reader, according to the following table. Set the communications conditions sup-
ported by the Bar Code Reader to suit the application environment.
Item Settings Default
Data bits 7 or 8 bits 7 bits
Stop bits 1 or 2 bits 2 bits
Parity None, odd, or even Even
Communications
Speed
4,800, 9,600, or 19,200 bps 9,600 bps
Input method Manual or Auto Auto
● Setting from the PT
Set the communications conditions from the System Menu.
For details on specific methods for operating the System Menu, refer to 6-6-6 Setting Bar
Code Readers.
● Bar Code Reader Settings
Set the settings for the Bar Code Reader according to the following table. Make sure, however,
that the communications conditions settings for the communications speed, parity, stop bits,
and data bits, match those set for the PT. For details on setting methods, refer to the opera-
tion manual of the Bar Code Reader being used.
Item Settings
Communications Speed 4,800, 9,600, or 19,200 bps
Parity Even, odd, or none.
Stop bits 1 or 2 bits
Data bits 7 or 8 bits
Preamble STX
Postamble ETX
RS/CS control Invalid
Communications protocol No protocol mode
Bar code label digit transfer Transfer prohibited.
ID character transfer Transfer prohibited.
Bar code types Multi-read (reads everything)
Trigger switch setting Automatic read mode
3-15
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