Conversion instructions
201
Part II IEC Instructions
DWORD_TO_TIME
DOUBLE WORD in TIME
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 DWORD_TO_TIME (see page 1319)
Data type I/O Function
DWORD input input data type
TIME output conversion result
Description
DWORD_TO_TIME converts a value of the data type DWORD into a value of the data type TIME.
A value of 1 corresponds to a time of 10ms, e.g. the input value 12345 (16#3039) is converted to a
TIME T#2m3s450.00ms.
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.
This example uses variables. You can also use a constant for the input variable.
Body
DWORD_value of the data type DWORD (32-bit) is converted to value of the data type TIME
(16-bit). The result is written into the output variable time_value.
LD
ST
When programming with structured text, enter the following:
time_value:=DWORD_TO_TIME(DWORD_value);