PLC beginner

Really my name is Nadir, I am instruments Engineer i am now entering to this world PLC world, and really i want some detailed beginners information, if any body can send to me a book or any good information about knowing more and more about PLC, i will be thanking him.

Nadir Mahgoub.
Inst. Engineer
Higleig Petroleum Services.
Tel. 00249 9 18281000

The following URL would set you in the right direction.
Basics of PLCs from Siemens

Good luck to you!

Phil's book is a good start too!

Check this out!

Here is another book based on a basic PLC (shoebox)

Basic PLC

It is online but you can open up each section and print it out.