To Next Page

To Previous Page

310

6 BASIC INSTRUCTIONS

6.6 Data Transfer Instructions

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);

Operand Description Range Data type Data type (label)

(d) Head device for storing the data to be swapped  32-bit signed binary ANY32

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)+1

∙∙∙∙∙∙ ∙∙∙∙∙∙

0101010110101010

0001010111101010

(d)

∙∙∙∙∙∙ ∙∙∙∙∙∙

0101010110101010

0001010111101010

b15 b4b7b8b11b12 b0b3

Mitsubishi MELSEC iQ-F FX5 series User Manual

Questions and Answers: