Conversion instructions
228
Part II IEC Instructions
UINT_TO_STRING_
LEADING_ZEROS
Unsigned INTEGER into STRING
Generates a result string in right-aligned decimal representation, filled with leading spaces up to
the predefined maximum number of characters.
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 UINT_TO_STRING_LEADING_ZEROS (see page 1332)
The result is not specified when the range of the input values does not match the
range of the output values.
Data type I/O Function
UINT Input input data type
STRING Output conversion result
Description
UINT_TO_STRING_LEADING_ZEROS converts a value of the data type Unsigned INTEGER into
a value of the data type STRING.
Data types
Example
In this example the function is programmed in ladder diagram (LD).
POU header
All input and output variables used for programming this function have been declared in the POU
header.
LD
ST
STRING_value:= UINT_TO_STRING_LEADING_ZEROS(UINT_value);