Vector VEC-VA Series - GET_MSB ( Remove the High 8 -Bit Instruction in the Bit String )

VA Motion Controller Programming Manual
243
A reaDAddress
V444
low
.
8
-bit value
description
When the contact C 209 is O N time , the instruction
is executed , the address of V444 is low . 8 bit of
the value of the state taken out , stored in the
address V445 in ;
Execution result: 16 #0012 ( word ) --16 #12 ( byte )
10.5.4 GET_MSB ( Remove the high 8 -bit instruction in the
bit string )
IL
programming
language
LD, FBD
programming language
Function:
GET_MSB
instruction for reading the most significant byte of the input bit
string (
The Most Significant BYTE
) values.
LD IN
GET_MSB
ST OUT
ST
programming language
OUT:=GET_MSB ( IN ) ;
Note : IL, ST language programming needs to insert variables IN , and OUT or use constants in
the variable worksheet of the current POU
 GET_MSB instruction processing data types
Input and
output
type of data
description
IN
WORD
Input bit string
OUT
BYTE
Output, the value of the highest
byte ( higher 8 bits )
Funtion and Action examples
Read the value of the upper
8
bits
of the address
V446
description
When the contact
C 210
is
O N
time , the instruction
is executed , the address of
V44 . 6
high
. 8
bit of
the value of the state taken out , stored in the
address
V44 . 7
in ;
Execution result:
16 #1200
(
word
)
--16 #12
(
byte
)