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Learn S7-200 "Siemens S7-200 LOGO! SITOP Reference ",written by hotline engineers in 4008 104288, is a summary of many questions they asked on the hotline. Very easy to use, in fact, enough, but also constantly updated, highly recommended! ! ! !

/download/searchResult.aspx？ searchText=A0 136

Siemens, a big international company, has a very comprehensive website! Official website has everything! The disadvantage is that there are too many materials to find. The following links are easy to use:

/Products /as/s7_200/

On the right side of this link is an icon "Easy Entry S7-200", which is a video made by flash, as shown below:

/training/demonstration /s7-200/index.html

Besides,