Omron CS1G/H-CPUxxH Instructions Manual page 874

Serial Communications Instructions
3-24-3 TRANSMIT: TXD(236)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
Operand Specifications
Outputs the specified number of bytes of data from the RS-232C port built into
the CPU Unit.
TXD(236)
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program Step program
areas
OK OK
The contents of the control word, C, is as shown below.
15 12 11
C
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
S
S: First source word
C: Control word
C
N: Number of bytes
N
0000 to 0100 hex (0 to 256)
Subroutines
areas
OK
8 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
Not used.
1: RS signal control
2: ER signal control
3: RS and ER signal control
S
CIO 0000 to CIO 6143
W000 to W511
H000 to H511
A000 to A447
A448 to A959
T0000 to T4095
C0000 to C4095
D00000 to D32767
E00000 to E32767
En_00000 to En_32767
(n = 0 to C)
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Section 3-24
TXD(236)
@TXD(236)
Not supported.
Interrupt tasks
OK
C N
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