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 
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