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5 Applied Functions
5.1 Type Conversion Functions
38
FXCPU Structured Programming Manual
(Application Functions)
5.1.2 BOOL_TO_DINT(_E)
Outline
This function converts bit data into double word [signed] 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 bit data stored in a device specified in into double word [signed] data, and outputs
the data obtained by conversion to a device specified in .
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
BOOL_TO_DINT
BOOL_TO_DINT(_BOOL);
Example:
Label:=
BOOL_TO_DINT(M0);
BOOL_TO_DINT_
E
BOOL_TO_DINT_E(EN,
_BOOL, Output label);
Example:
BOOL_TO_DINT_E(X000,M0,
Label);
Variable Description Data type
Input
variable
EN Execution condition Bit
_BOOL ( )
Conversion source bit data Bit
Output
variable
ENO Execution status Bit
*1 ( )
Double word [signed] data after conversion Double Word [signed]
M0
BOOL_TO_DINT
_BOOL *1
Label
BOOL_TO_DINT_E
EN ENO
*1
Label
X000
M0
_BOOL
s
d
s
d
FALSE 0
TRUE 1
Bit data Double word [signed] data