Conversion instructions
190
Part II IEC Instructions
DATE_TO_UDINT
DATE into Unsigned DOUBLE INTEGER
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 DATE_TO_UDINT (see page 1319)
Data type I/O Function
DATE Input input data type
UDINT Output conversion result
Description
DATE_TO_UDINT converts a value of the data type DATE into a value of the data type Unsigned
DOUBLE INTEGER according to its internal format, which is seconds elapsed since "2001-01-01".
Data types
Example
In this example the function has been programmed in ladder diagram (LD) and structured text (ST).
POU header
All input and output variables used for programming this function have been declared in the POU
header.
LD
ST
When programming with structured text, enter the following:
UDINT_value := DATE_TO_UDINT(DATE_value);