Serial communication instructions, Applicable program areas operands, 2 instructions – Omron SYSMAC CP CP1E-N@@D@-@ User Manual
Page 405: C: control word operand specifications
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2 Instructions
CP1E CPU Unit Instructions Reference Manual(W483)
Serial Co
mm
un
icatio
n
In
stru
ctio
ns
2
TXD
Serial Communication Instructions
TXD
Applicable Program Areas
Operands
C: Control word
Operand Specifications
Instruction
Mnemonic
Variations
Function
code
Function
TRANSMIT
TXD
@TXD
236
Outputs the specified number of bytes of data
from the CPU Unit’s built-in RS-232C port or the
Serial Option Board port.
Symbol
TXD
Area
Step program areas
Subroutines
Interrupt tasks
Usage
OK
OK
OK
Operand
Description
Data type
Size
S
First source word
UINT
Variable
C
Control word
UINT
1
N
Number of bytes 0000 to 0100 hex (0 to 256)
UINT
1
Area
Word addresses
Indirect DM addresses
Constants
CF
Pulse bits
TR bits
CIO
WR
HR
AR
T
C
DM
@DM
*DM
S
OK
OK
OK
OK
OK
OK
OK
OK
OK
---
---
---
---
C, N
OK
S: First source word
TXD(236)
S
C
N
N: Number of bytes
0000 to 0100 hex (0 to 256)
C: Control word
15
8
0
11
3
7
4
12
C
Always 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
1: CPU Unit’s RS-232C port
2: Serial Option Board port