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3. Instructions
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Serial Communications Instructions
3
RXDU
z Start Code/End Code Settings and Send Data
ED
ST
ED
ST
CR
LF
ST
CR
LF
D
D+1
D+2
15 7 08
D
D+1
D+2
15 7 08
1
2
3
4
5
6
1
3
5
2
4
6
1
3
5
2
4
6
CR+LF End Code
Only End Code
No Start or End Code
Number of bytes
(Specified in allocated
DM Setup Area)
Only Start Code
Number of bytes up to ED:
256 max.
Start and End Code
Number of bytes between
ST and ED: 256 max.
Number of bytes up to
CR+LF: 256 max.
Number of bytes between
ST and CR+LF: 256 max.
Start and CR+LF End Code
Serial port on Serial Communications Unit
Data received.
Number of bytes
(Specified in allocated
DM Setup Area)
Bytes
N Storage order
(256 bytes max.)
Most signifi-
cant bytes
Least signif-
icant bytes
Byte order
0: Most significant bytes first
Most signifi-
cant bytes
Least signif-
icant bytes
Byte order
1: Least significant bytes first
1, 2, 3, 4, 5, 6...
1, 2, 3, 4, 5, 6...
1, 2, 3, 4, 5, 6...
1, 2, 3, 4, 5, 6...
1, 2, 3, 4, 5, 6...
1, 2, 3, 4, 5, 6...