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Serial Communications Instructions
Section 3-24
PLC Setup Settings for CPU Unit’s RS-232C Port
DM Setup Area Settings for Serial Communication Board’s Ports
3-24-5 TRANSMIT VIA SERIAL COMMUNICATIONS UNIT: TXDU(256)
Purpose
Outputs the specified number of bytes of data from one of the Serial Commu-
nications Unit’s serial ports. (The Serial Communications Unit must be Ver.
1.2 or later).
Ladder Symbol
Programming
Console address
Name
Settings
Word
Bit
162
0 to 15
No-protocol Mode Send
Delay
0000 to 210F hex,
0 to 99,990 ms decimal
(in 10-ms units)
164
8 to 15
No-protocol Mode Start Code 00 to FF hex
0 to 7
No-protocol Mode End Code
00 to FF hex
165
12
No-protocol Mode Start Code
Specifier
0: None
1: Use start code.
8 and 9
No-protocol Mode End Code
Specifier
0 hex: None
1 hex: Use end code.
2 hex: Use CR+LF.
0 to 7
No-protocol Mode Number of
Bytes of Data
00 hex: 256 bytes (default)
01 to FF hex: 1 to 255 bytes
Setup Area word
Bit
Name
Settings
Port 1
Port 2
D32002 D32012 15
No-protocol Mode Send
Delay Specifier
0: Default (0 ms)
1: Use delay in bits 1 to 14.
0 to 14
No-protocol Mode Send
Delay Time
0000 to 7530 hex
0 to 300,000 ms decimal
(in 10-ms units)
D32004 D32014 8 to 15
No-protocol Mode Start
Code
00 to FF hex
0 to 7
No-protocol Mode End
Code
00 to FF hex
D32005 D32015 12 to 15 No-protocol Mode Start
Code Specifier
0 hex: None
1 hex: Use start code.
8 to 11
No-protocol Mode End
Code Specifier
0 hex: None
1 hex: Use end code.
2 hex: Use CR+LF.
0 to 7
Number of Bytes of Data
00 hex: 256 bytes (default)
01 to FF hex: 1 to 255
bytes
TXDU(256)
S
C
N
S
: First source word
C
:
First control word
N
: Number of bytes
0000 to 0100 hex (0 to 256)
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...