Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 1025

Serial Communications Instructions
1 2
3 4
5 6
The following diagram shows the order in which data is sent and the contents
of the send frame for various start and end code settings.
N bytes of data is sent in the following order when
sending the most significant bytes first is specified:
1, 2, 3, 4, 5, 6
No Start or End Code
Only Start Code
Only End Code
Start and End Code
CR+LF End Code
Start and CR+LF End Code
RS-232C port on CPU Unit
Data
Data
Data
Data
Data
CR LF
Data
Data sent.
Section 3-24
N send bytes: 256 max.
Send bytes after ST:
256 max.
Send bytes before ED:
256 max.
Send bytes between
ST and ED: 256 max.
Send bytes before
CR+LF: 256 max.
Send bytes between ST
and CR+LF: 256 max.
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