Conversion instructions
208
Part II IEC Instructions
DT_TO_TOD
DATE_AND_TIME to TIME_OF_DAY
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 DT_TO_TOD (see page 1319)
Data type I/O Function
DATE_AND_TIME input input data type
TIME_OF_DAY output conversion result
Description
DT_TO_TOD converts a value of the data type DATE_AND_TIME to a value of the data type
TIME_OF_DAY.
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:
TOD_value := DT_TO_TOD(DT_value);