SIEMENS PLC

Germany's Siemens programmable logic controller manufactured a wide range of applications in metallurgy, chemical industry, printing production lines, and have applications. Siemens (SIEMENS)'s PLC products, including LOGO, S7-200, S7-300, S7-400, industrial networks, HMI human-machine interface, industrial software. Siemens S7 PLC Small, fast, standardized, network communications capabilities, more powerful, more reliable. S7 PLC products can be divided into micro-PLC (such as S7-200), small-scale performance requirements of the PLC (such as S7-300) and in the high performance requirements of the PLC (such as S7-400) and so on.