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5 Applied Functions
5.1 Type Conversion Functions
111
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
5.1.38 STR_TO_DINT(_E)
Outline
This function converts string 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 string data (6 words) 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 string data and 32-bit data in structured programs, you cannot specify 16-bit devices
directly, different from simple projects. Use labels when handling string data and 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
STR_TO_DINT
STR_TO_DINT(_STRING);
Example:
Label 2:=
STR_TO_DINT(Label 1);
STR_TO_DINT_E
STR_TO_DINT_E(EN,_STRING,
Output label);
Example:
STR_TO_DINT_E(X000, Label 1,
Label 2);
Variable Description Data type
Input
variable
EN Execution condition Bit
_STRING ( )
Conversion source string data String
Output
variable
ENO Execution status Bit
*1 ( )
Double word [signed] data after conversion Double Word [signed]
STR_TO_DINT
_STRING *1
Label 1 Label 2
STR_TO_DINT_E
EN ENO
*1
Label 2
X000
Label 1
_STRING
s
d
s
d
ASCII code for billions place
High-order byte
ASCII code for ten-millions place
ASCII code for hundred-millions place
ASCII code for millions place
ASCII code for hundred-thousands place
ASCII code for thousands place
ASCII code for tens place
ASCII code for hundreds place
ASCII code for ten-thousands place
ASCII code for ones place
Sign data
Low-order byte
String
1st word
2nd word
3rd word
4th word
5th word
6th word
Double word [signed] data
(Ignore)