C-Mode Command Support - Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual

Precautions when Reusing Programs from Earlier Models
2-4-3

C-mode Command Support

22
1:N Format
• Command
@ 0 0 R D
Unit number Header
in host link code
• Response
0 0 R D
@
Unit number Header
in host link code
1:1 Format
As shown in the following diagrams, the 1:1 format is equivalent to the 1:N for-
mat without the @ character, Host Link unit number, and FCS byte.
• Command format
R D
Header Terminator
code
• Response format
R D 0 0
Header End
code code
Use the following table as reference when reusing programs for host comput-
ers developed for earlier Host Link models.
• If a command is not supported for the new model of PLC, consider using
another C-mode or FINS command.
• Even if the command is supported, differences may exist in the data sizes
that can be processed or in the meaning of the values if the models or
Series vary.
• Refer to the applicable operation manuals for details.
× ×
*
CR
FCS Terminator
0 0
× ×
FCS
End
code
* CR
* CR
Terminator
Section 2-4
*
CR
Terminator