Introduction - If you have any usage issues, please Google them yourself
PLC to learn it? Some people say that to learn, more difficult to learn that. My view is that entry is easier to study hard. Easy entry, there is always easy to approach it. Many people have bought a book on the PLC, if people could see that, I would like to learn not to become八成. As abstract and empty to occupy the entire brain, a word halo! Dongdong must learn this simple programmable logic controller and programmer to do, and if not, a word, the school will not. Could not be verified because of right and wrong. How to learn, I went straight to the theme of the approach is