s7-1200（s7 - 200）.docVIP

s7-1200（s7 - 200） The SIEMENS automation industry giant SIMATIC products in the history once again cast a gravel provoked a piece of ripples and a gravel called S7-1200, from the product name looks more like a S7-200 extension or upgrade, here I want to explain the details of this product. I think we should explain before about the SIEMENS PLC family history. 1, the history of SIEMENS PLC Since SIEMENS entered the 1872 China along the road, Chinese automation has been SIEMENS automation products company, said SIEMENSs PLC everyone can say that for having heard it many times the models S7-200/300/400, but you may not know that these products are not all of SIEMENSs German heritage, S7-300/400 is used in STEP7 programming and S7-200 programming using STEP7Micro/win there have been many people sigh after why are familiar with the S7-300 product to learn S7-200 products like a companys products and the need to learn from scratch and vice versa. Why is that? This is because S7-200 products are SIEMENSs acquisition of an American company to develop software and products, in order to compete for the low-end market PLC integration of listed. I believe we have seen programming mode and SM S7-200 special register settings are able to find some beautiful Japanese PLC programming model traces, while SIEMENS has been looking for the opportunity to develop the right belongs to the German descent of low-end PLC products, in 2009 S7-1200 this product came into being. 2, S7-1200 market positioning The controller said that S7-1200 is a simple upgrade of S7-200. It can be said that, however, it does not know why, because it is not really an upgrade, but an alternative. Why do you say so?! Because S7-1200 this product is SIEMENSs low-end PLC products a heavy blow. SIEMENS has stopped S7-200 production lines other than the S7-200CN Series in China, and S7-200CN will compete for third developing countries for automation market share at a low price. And low-end markets in Europe and Ameri