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5 Applied Functions
5.1 Type Conversion Functions
36
FXCPU Structured Programming Manual
(Application Functions)
5. Applied Functions
This chapter explains the operation outline of each applied function, symbols, I/O data type, equivalent circuit
in sequence instructions, target models, cautions and program examples.
Refer to the following manual for variables, operators, data types and program languages:
→ Q/FX Structured Programming Manual (Fundamentals)
5.1 Type Conversion Functions
5.1.1 BOOL_TO_INT(_E)
Outline
This function coverts bit data into 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 word [signed] data, and outputs the
data obtained by conversion to a device specified in .
When the input value is "FALSE", this function outputs "0" as the word [signed] data value.
When the input value is "TRUE", this function outputs "1" as the word [signed] data value.
Cautions
Use the function having "_E" in its name to connect a bus.
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_INT
BOOL_TO_INT(_BOOL);
Example:
D0:=
BOOL_TO_INT(M0);
BOOL_TO_INT_E
BOOL_TO_INT_E(EN,_BOOL,
Output label
Example:
BOOL_TO_INT_E(X000,M0,
D0);
Variable Description Data type
Input
variable
EN Execution condition Bit
_BOOL ( )
Conversion source bit data Bit
Output
variable
ENO Execution status Bit
*1 ( )
Word [signed] data after conversion Word [signed]
BOOL_TO_INT
_BOOL *1
D0M0
BOOL_TO_INT_E
EN ENO
*1
D0
X000
M0
_BOOL
s
d
s
d
FALSE 0
TRUE 1
Bit data Word [signed] data