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TXD
Instruction
TRANSMIT
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage
OK
Operands
Operand
S
First source word
C
Control word
N
Number of bytes 0000 to 0100 hex (0 to 256)
C: Control word
15
12
11
8
C
Always 0
Operand Specifications
Word addresses
Area
CIO
WR
HR
S
C
OK
OK
OK
N
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic
Variations
TXD
@TXD
Block program areas
Step program areas
OK
OK
Description
7
4
3
0
Byte order
0: Most significant bytes first
1: Least significant bytes first
RS and ER signal control
0: No RS and ER signal control
1: RS signal control
2: ER signal control
3: RS and ER signal control
Serial port specifier
0: CPU Unit's RS-232C port
1: Serial Communications Board port 1
2: Serial Communications Board port 2
AR
T
C
DM
EM
OK
OK
OK
OK
OK
Function
code
Outputs the specified number of bytes of data
from the CPU Unit's built-in RS-232C port or one
236
of the Serial Communications Board's serial ports.
(The Serial Communications Board must be Ver.
1.2 or later).
TXD
TXD(236)
S
S: First source word
C
C: Control word
N
N: Number of bytes
0000 to 0100 hex (0 to 256)
Subroutines
OK
Indirect DM/EM
addresses
Con-
stants
@DM
*DM
DR
@EM
*EM
---
---
OK
OK
OK
OK
3. Instructions
Function
SFC action or
Interrupt tasks
transition programs
OK
OK
Data type
Size
UINT
Variable
UINT
1
UINT
1
Registers
Pulse
TK
CF
bits
Indirect
IR
using IR
---
OK
---
---
3
TR
bits
---
---
835
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