Advanced HMI free

http://sourceforge.net/projects/advancedhmi/?source=dlp
https://www.youtube.com/user/arj3090

factory talk site edition
http://www.eleok.com/thread-938-1-1.html
http://v.youku.com/v_show/id_XNTE2NzYyMjc2.html

plc book
http://www.msalah.com/A/Atextbook.pdf