Date and time instructions
285
Part II IEC Instructions
CONCAT_DATE_TOD
Concatenate date and time of day
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"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 ADD_TIME CONCAT_DATE_TOD (see page 1318)
Data type I/O Function
DATE 1st input date
TIME_OF_DAY 2nd input time of day
DATE_AND_TIME output result
Description
CONCAT_DATE_TOD concatenates a value of the data type DATE with a value of the data type
TIME_OF_DAY.The result is stored in the output variable of the data type DATE_AND_TIME.
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:
DT_value := CONCAT_DATE_TOD(DATE_value, TOD_value);