Working people make mistakes, some people do never make mistakes!
I work to live, my boss thinks I live to work!

What´s a site without a link page. Here are some technical links:

 http://support.automation.siemens.com The support page from siemens linkt to the download of Step7 lite (its free!!).

 http://support.automation.siemens.com The support page from siemens linkt to search siemens items.
Hint: click on the left "Show Navigation" after you have opened a document. Then click "show the entry list" on top. There you can find al documents regarding your search.

http://www.goosee.com/best/index.html: A nice list of freeware programs.

http://www.hardwarebook.net/: A big collection of almost all PC connectors and cables.

http://plc.pagina.nl/: Very much links related to PLC and scada. English and Dutch pages.

http://www.lammertbies.nl/: A nice site from another Dutch man who want to spread his knowledge.

http://www.control.com/: Everything about controlling. A lot about PLC's.

http://plcguide.mrplc.com/: This web site contains general information about PLC Command Instructions and explains how they function in your application program. These Commands are based on Allen Bradley's SLC-500 PLC and their RSLogix-500 Software. All reference material contained within this site is for education.
A nice site for beginners of the AB-plc.

http://www.blackboxengineering.nl/ A dutch site with the same idea as me, making a standard PLC structure public. Mostly freeware, but downloadable?

http://www.sps-concept.de/: A site in German with standard PLC functions to. Its a pity that this site is NOT totally freeware! An example of how to start a project in a link on your desktop: simatic_projektstart.pdf
Its explains how you can link the .S7P extension: "C:\Program Files\Siemens\Step7\S7BIN\S7tgtopx.exe" /e "{Filename in 8.3 format}".
In short way, link the .S7p extension to S7tgtopx.exe with /e and the filename.