Control.com - Nerds in Control

Hi,
i am gupta i want to know full details regarding all the buses now. just tell me how to start? what is the procedure? which bus i have to read first?

please help me and at the same time i want books may be text books or down loadable e books please help me sir i am interested in automation so i completed some training program
in that fields also pleas help me

mainly i want know FIELD BUS

You can begin by visiting http://www.fieldbus.org.
You can also visit
http://www.pepperl-fuchs.com/pa/interbtob/communication/default_e. html

http://www.fieldbusuniversity.com
http://www.isa.org/fieldbuses

Cheers,
Jonas