Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 1030

Serial Communications Instructions
Communications Settings
The communications settings of the Code Reader as given in the following
table. These are the default settings.
Item
Communications mode
Baud rate
Data bit length
Parity
Stop bits
Start code
End code
Set the PLC communications settings to the same values in the PLC Setup.
Only the end code needs to be set.
Programming Example
If CIO 000001 turns ON while the RS-232C Port Send Ready Flag (A39205)
is ON, three bytes of data starting from the upper byte of D00010 are sent
without conversion to the Code Reader connected to the CPU Unit's built-in
RS-232C port. These three bytes contain "@GL", which is the normal read
command used as a trigger input to the Code Reader from the RS-232C line.
Setting
No-protocol
38,400 bps
8 bits
None
1
None
#000D (CR)
Section 3-24
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