Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 876

Start code / end code settings and send data
15 8 7
1 2
3 4
5 6
Flag operation
CPU Unit
Serial
Communications
Unit
CS/CJ/NSJ Series Instructions Reference Manual (W474)
0
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
Serial port on Serial Communications Unit
TXDU(256)
Communications Port Enabled Flag
(A20200 to A20207 correspond to
communications ports 0 to 7.)
TXDU Executing Flag
(Bit 5 of n+9 or n+19,
n = CIO 1500 + 25 unit number)
Send processing
No Start or End Code
Data
Only Start Code
Data
Only End Code
Data
Start and End Code
Data
CR+LF End Code
Data
CR LF
Start and CR+LF End Code
Data
Data sent.
Instruction
execution
ON
OFF
ON
OFF
Send starts. Send completed.
3. Instructions
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.
Send
processing
3
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