I down load the file from the first link.. but then says it courrpt?

dchartier

Hello Osman;
There are 2 ways I know of working with strings and DT variables. if you do not want to create your own FC to handle the conversion of every byte of the DT structure into a string and concatenate the strings with their seprerators.

1) oscat.de offers a free-downloadable set of functions that complement the Siemens instruction set in very interesting areas, math, complex math, double-floating point math, and conversions.
One of the functions provided is DT_TO_STRF, and here is how its help is translated (using Babelfish):

DT_TO_STRF converts DATE TIME a value into a formatted character string.

The problem is that the documentation is German, but the online help is available in English (at least in the version I installed a few years ago). It is worth looking into.

2) Siemens proposes a Tool collection for converting data types:
http://support.automation.siemens.com/WW/view/en/25629271
where you will find a function DT_to_String,
Converting DATE_AND_TIME to STRING and vice versa.
However,the code isnot free, it is sold through the Siemens AVC card, for 120 credits.
For information on the AVC, look at http://support.automation.siemens.com/WW/view/en/28446694.
Hope this helps,
Daniel Chartier

Here is a piece of code in SCL i wrote to solve this issue,

You can modify the code to do the same for variables of type TOD and TIME,

Cheers,

Interlogis

Here is a piece of code in SCL i wrote to solve this issue,

You can modify the code to do the same for variables of type TOD and TIME,

Cheers,

Just wanted to say thanks for this submission. It was almost exactly what i was looking for. A note to users who didn't know how to incorporate this code (as i did before i came across it).

In order to be able to compile the code in your project, you save the file with the extension .scl, open your plc sub tree in the project inside TIA and find the External source files entry. In here you can add a link to the external file you just saved then right click and select Generate blocks from source. That will do what you needed and you can simply call the main FC from where you need it and jobs a good un. 

Best Regards