
6 BASIC INSTRUCTIONS
6.6 Data Transfer Instructions
309
6
Exchanging the upper and lower bytes of 16-bit data
SWAP(P)
These instructions swap the value of 8 bits of the upper and lower bytes of the device specified by (d).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Processing details
These instructions swap the value of 8 bits of the upper and lower bytes of the device specified by (d).
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:=SWAP(EN,d);
ENO:=SWAPP(EN,d);
Operand
Description
Range
Data type
Data type (label)
(d)
Head device for storing the data to be swapped
16-bit signed binary
ANY16
Operand
Bit
Word
Double word
Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB
U
\G
T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(d)
(d)
(d)
(d)
∙∙∙
∙∙∙
∙∙∙
∙∙∙
b15
∙∙∙
∙∙∙
∙∙∙
∙∙∙
b4
b7
b8
b11
b12
b0
b3
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
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
Page 887: ......