Short summary

Name	`DT_TO_DATE`
→POU type	→function
Category	IEC-block, Convert
Conform to →IEC-standard	no restrictions
Graphical interface
Available since	version 1.65.0 (for logi.CAD 3)

Functionality

The blocks serves for explicitly converting the date and time of day (DATE_AND_TIME) connected to input IN into a value of data type DATE.

The block discards the time and returns only the date.

Inputs, return value

	Identifier	→Data type	Description
Inputs:	`IN`	`DATE_AND_TIME`	date and time of day to be converted
Return value:	–	`DATE`

Input EN and output ENO are available when →calling the block. See "Execution control: EN, ENO" for information on input EN and output ENO.

See:

"Blocks for safe logic" whether this block is supported for developing safety-relevant applications.
"Highlighting safe logic in the FBD-editor" for the effects when using the block as a block for safe logic .

Example for usage within ST-editor

The calculated values are evaluated by using the Assert block .

FUNCTION_BLOCK ExampleDtToDate
   VAR
      result : DATE;
   END_VAR
   result := DT_TO_DATE(IN := DT#1970-01-01-00:00:12);
 
   Assert(result = D#1970-01-01);
END_FUNCTION_BLOCK

When creating your application within the ST-editor, enter a call of a block by typing the text as requested by the syntax or use Content Assist.