Vector VEC-VA Series User Manual

VA Motion Controller Programming Manual
251
10.5.12 SWAP (swapping high byte and low
byte instructions )
IL programming
language
LD, FBD programming language
Function: The SWAP instruction is used to swap the position of the highest byte ( MSB ) and
lower byte ( LSB ) of the input bit string .
LD IN
SWAP
ST OUT
ST programming language
OUT:=SWAP
(
IN
)
Note
: IL, ST
language programming needs to insert variables
IN
and
OUT
or use constants in
the current
POU
variable worksheet
数据 Data type processed by SWAP instruction
Input and output
type of data
description
IN
(
IN
)
WORD
Input bit string
OUT
(
STRING_TO_BUFFER
)
WORD
Output bit string, exchange
the high and low bytes of the
input bit string and output
Funtion and Action examples
The address V556 ( 16 # 9900 ) is high . 8 bits
of the low . 8 bit swap
description
When the contact
C300
is
ON
,
the instruction is executed
to
exchange
the upper
8
bits of
the address
V556
with the lower
8
bits ;
Execution result:
16 #
9900
exchange into a
16 # 0099

Vector VEC-VA Series Specifications

General

Brand	Vector
Model	VEC-VA Series
Category	Controller
Language	English