Conversion instructions
120
Part II IEC Instructions
BOOL_TO_WORD
BOOL into WORD
To add an enable input and enable output to the instruction, select [With EN/ENO] from the
"Instructions" pane (LD, FBD or IL editor). To reuse an instruction select "Recently used" from the
context menu or press <Ctrl>+<Shift>+<v> in the programming window.
PLC types
Availability of BOOL_TO_WORD (see page 1318)
Data type I/O Function
BOOL input input data type
WORD output conversion result
In this example the input variable (Boolean_value) has been declared. Instead, you may enter a
constant directly at the input contact of a function.
Description
BOOL_TO_WORD converts a value of the data type BOOL into a value of the data type WORD.
Data types
Example
In this example, the same POU header is used for all programming languages. For an example
using IL (instruction list), please refer to the online help.
POU header
All input and output variables used for programming this function have been declared in the POU
header.
Body
The Boolean_value of the data type BOOL is converted into a value of the data type WORD. The
converted value is written into WORD_value.
LD
ST
When programming with structured text, enter the following:
IF Boolean_value THEN
WORD_value:=BOOL_TO_WORD(Boolean_value);
END_IF;