SIEMENS
Siemens in Germany are also widely used globally, in fields such as metallurgy, chemical engineering, and printing production lines. Siemens' PLC products include LOGO, S7-200, S7-1200, S7-300, S7-400, S7-1500, etc. Siemens S7 series PLC has small size, fast speed, standardization, network communication capability, stronger functions, and high reliability. The S7 series PLC products can be divided into micro PLCs (such as S7-200), PLCs with small-scale performance requirements (such as S7-300), and PLCs with medium to high performance requirements (such as S7-400).