7 BASIC INSTRUCTIONS
7.7 Data Transfer Instructions
363
7
Exchanging the upper and lower bytes of 32-bit data
DSWAP(P)
These instructions swap the value of 8 bits of the upper and lower bytes of the word devices specified by (d).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Processing details
These instructions swap the value of each of the upper and lower 8 bits of the device specified by (d) and (d)+1.
Precautions
If a continuous operation type instruction is used, swap is done in each operation cycle.
Operation error
There is no operation error.
Ladder diagram
Structured text
ENO:=DSWAP(EN,d);
ENO:=DSWAPP(EN,d);
FBD/LD
Operand
Description
Range
Data type
Data type (label)
(d)
Head device for storing the data to be swapped
32-bit signed binary
ANY32
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
Operand
Bit
Word
Double word Indirect
specification
Constant
Others
X, Y, M, L, SM,
F, B, SB, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(d)
(d)
EN
ENO
d
(d)+1
(d)+1
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
0
0
0
1
0
1
0
1
1
1
1
0
1
0
1
0
(d)
(d)
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
∙∙∙
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
0
0
0
1
0
1
0
1
1
1
1
0
1
0
1
0
b15
b4
b7
b8
b11
b12
b0
b3
b15
b4
b7
b8
b11
b12
b0
b3
b15
b4
b7
b8
b11
b12
b0
b3
b15
b4
b7
b8
b11
b12
b0
b3
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 17: ...15 CONTENTS ...
Page 24: ...22 MEMO ...
Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
Page 1107: ...I 1105 MEMO ...
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