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Serial Communications Instructions
Section 3-24
Controlling Signals
Related PLC Setup Settings
CX-Programmer Settings for the CPU Unit’s Built-in RS-232C Port
TXD
D00300
D00400
00001
S
C
&0
N
0
0
0
3
15
8
7
11
12
3
4
0
C: D00400
0
15
13
14
12
S: D00300
Turns OFF ER signal.
0
0
1
Turns ON RS signal.
Always #0.
Serial Port Specifier
#0: CPU Unit's built-in RS-232C port
RS and ER Signal Control
#3:
RS and ER signal control
Byte Order
#0:
Most significant bytes first
When CIO 00001 turns ON, the
status of bit 15 of D00300 is
output as the RS signal and the
status of bit 14 is output as the
ER signal.
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...