fbcybil ,
Here is the link of the simulator,
http://personales.ya.com/canalPLC/S7_200.zip
and this is the link for other things to download:
http://olmo.pntic.mec.es/jmarti50/portada/
Hello fbcybil,
I found this site(spanish) as being interesting and gives links to free PLC simulators. I used the 2nd one, Simulador S7-200 with good results.
I hope this helps you.
27051970