Programming Logic Controller (PLC)

Hi,

This is my first writing at my blog since I work at new company (finally, my dream comes true, thanks Allah). But this thing doesn't make me feel happy because I have to learn so hard to know everything. The first step I should know is Programming Logic Controller (PLC) and I found good resource to learn:

1. http://1plccourse.blogspot.com/

If you found another good resource for this please feel free to share.

That's all.