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5 Applied Functions
5.1 Type Conversion Functions
118
FXCPU Structured Programming Manual
(Application Functions)
5.1.41 BCD_TO_INT(_E)
Outline
This function converts BCD 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 BCD data stored in a device specified in into word [signed] data, and outputs the
data obtained by conversion to a device specified in .
Cautions
Use the function having "_E" in its name to connect a bus.
Error
When the source data is not BCD (decimal number), M8067 (operation error) turns ON.
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S
FX
U
/FX
2C
FX0N FX0(S)
Function name
Expression in each language
Structured ladder ST
BCD_TO_INT
BCD_TO_INT(_BCD);
Example:
D10:=
BCD_TO_INT(D0);
BCD_TO_INT_E
BCD_TO_INT_E(EN,_BCD,
Output label);
Example:
BCD_TO_INT_E(X000,D0,D10);
Variable Description Data type
Input
variable
EN Execution condition Bit
_BCD ( )
Conversion source BCD data
Word [unsigned]/
Bit String [16-bit]
Output
variable
ENO Execution status Bit
*1 ( )
Word [signed] data after conversion Word [signed]
BCD_TO_INT
_BCD *1
D0 D10
BCD_TO_INT_E
EN ENO
*1
D10
X000
D0
_BCD
s
d
s
d
9999H 9999
Word [unsigned]/
bit string [16-bit] data
Thousands place Hundreds place Tens place Ones place
Word [signed] data
Conversion into word [signed] data
9999H 1001100110011001
0
3276516354
8192 4095 2048 1024 512 256 128 64 32 16 8 4 2 1
8000 4000 2000 1000 800 400 200 100 80 40 20 10 8 4 2 1
010011100001111
9999
Always becomes "0".