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5 Applied Functions
5.1 Type Conversion Functions
99
FXCPU Structured Programming Manual
(Application Functions)
1
Outline
2
Function List
3
Function
Construction
4
How to Read
Explanation of
Functions
5
Applied
Functions
6
Standard
Function Blocks
A
Correspondence
between Devices
and Addresses
5.1.32 WORD_TO_DWORD(_E)
Outline
This function converts word [unsigned]/bit string [16-bit] data into double word [unsigned]/bit string [32-bit]
data, and outputs the data obtained by conversion.
1. Format
*1. Output variable
2. Set data
In explanation of functions, I/O variables inside ( ) are described.
Explanation of function and operation
This function converts word [unsigned]/bit string [16-bit] data stored in a device specified in into double
word [unsigned]/bit [32-bit] data, and outputs the data obtained by conversion to a device specified in .
Each of high-order 16 bits becomes "0" after data conversion.
Cautions
1) Use the function having "_E" in its name to connect a bus.
2) When handling 32-bit data in structured programs, you cannot specify 16-bit devices directly, different
from simple projects. Use labels when handling 32-bit data.
You can specify 32-bit counters directly, however, because they are 32-bit devices.
Use global labels when specifying labels.
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S
FX
U
/FX
2C
FX0N FX0(S)
Function name
Expression in each language
Structured ladder ST
WORD_TO_DWO
RD
WORD_TO_DWORD(_WORD);
Example:
Label:=
WORD_TO_DWORD(D0);
WORD_TO_DWO
RD_E
WORD_TO_DWORD_E(EN,
_WORD, Output label);
Example:
WORD_TO_DWORD_E(X000,D0,
Label);
Variable Description Data type
Input
variable
EN Execution condition Bit
_WORD ( )
Conversion source word [unsigned]/bit string [16-bit] data
Word [unsigned]/
Bit String [16-bit]
Output
variable
ENO Execution status Bit
*1 ( )
Double word[unsigned]/bit string[32-bit] data after conversion
Double Word [unsigned]/
Bit string [32-bit]
WORD_TO_DWORD
_WORD *1
D0 Label
WORD_TO_DWORD_E
EN ENO
*1
Label
X000
D0
_WORD
s
d
s
d
5678H 00005678H
Word [unsigned]/
bit string [16-bit] data
Double word [unsigned]/
bit string [32-bit] data